external/bsd/openldap/dist/build/shtool

   1 #!/bin/sh
   2 ##
   3 ##  GNU shtool -- The GNU Portable Shell Tool
   4 ##  Copyright (c) 1994-2006 Ralf S. Engelschall <rse@engelschall.com>
   5 ##
   6 ##  See http://www.gnu.org/software/shtool/ for more information.
   7 ##  See ftp://ftp.gnu.org/gnu/shtool/ for latest version.
   8 ##
   9 ##  Version:  2.0.5 (07-Feb-2006)
  10 ##  Contents: 6/19 available modules
  11 ##
  12
  13 ##
  14 ##  This program is free software; you can redistribute it and/or modify
  15 ##  it under the terms of the GNU General Public License as published by
  16 ##  the Free Software Foundation; either version 2 of the License, or
  17 ##  (at your option) any later version.
  18 ##
  19 ##  This program is distributed in the hope that it will be useful,
  20 ##  but WITHOUT ANY WARRANTY; without even the implied warranty of
  21 ##  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  22 ##  General Public License for more details.
  23 ##
  24 ##  You should have received a copy of the GNU General Public License
  25 ##  along with this program; if not, write to the Free Software
  26 ##  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
  27 ##  USA, or contact Ralf S. Engelschall <rse@engelschall.com>.
  28 ##
  29 ##  NOTICE: Given that you include this file verbatim into your own
  30 ##  source tree, you are justified in saying that it remains separate
  31 ##  from your package, and that this way you are simply just using GNU
  32 ##  shtool. So, in this situation, there is no requirement that your
  33 ##  package itself is licensed under the GNU General Public License in
  34 ##  order to take advantage of GNU shtool.
  35 ##
  36
  37 ##
  38 ##  Usage: shtool [<options>] [<cmd-name> [<cmd-options>] [<cmd-args>]]
  39 ##
  40 ##  Available commands:
  41 ##    echo       Print string with optional construct expansion
  42 ##    move       Move files with simultaneous substitution
  43 ##    install    Install a program, script or datafile
  44 ##    mkdir      Make one or more directories
  45 ##    mkln       Make link with calculation of relative paths
  46 ##    subst      Apply sed(1) substitution operations
  47 ##
  48 ##  Not available commands (because module was not built-in):
  49 ##    mdate      Pretty-print modification time of a file or dir
  50 ##    table      Pretty-print a field-separated list as a table
  51 ##    prop       Display progress with a running propeller
  52 ##    mkshadow   Make a shadow tree through symbolic links
  53 ##    fixperm    Fix file permissions inside a source tree
  54 ##    rotate     Logfile rotation
  55 ##    tarball    Roll distribution tarballs
  56 ##    platform   Platform Identification Utility
  57 ##    arx        Extended archive command
  58 ##    slo        Separate linker options by library class
  59 ##    scpp       Sharing C Pre-Processor
  60 ##    version    Maintain a version information file
  61 ##    path       Deal with program paths
  62 ##
  63
  64 #   maximum Bourne-Shell compatibility
  65 if [ ".$ZSH_VERSION" != . ] && (emulate sh) >/dev/null 2>&1; then
  66     #   reconfigure zsh(1)
  67     emulate sh
  68     NULLCMD=:
  69     alias -g '${1+"$@"}'='"$@"'
  70 elif [ ".$BASH_VERSION" != . ] && (set -o posix) >/dev/null 2>&1; then
  71     #   reconfigure bash(1)
  72     set -o posix
  73 fi
  74
  75 #   maximum independence of NLS nuisances
  76 for var in \
  77     LANG LANGUAGE LC_ADDRESS LC_ALL LC_COLLATE LC_CTYPE LC_IDENTIFICATION \
  78     LC_MEASUREMENT LC_MESSAGES LC_MONETARY LC_NAME LC_NUMERIC LC_PAPER \
  79     LC_TELEPHONE LC_TIME
  80 do
  81     if (set +x; test -z "`(eval $var=C; export $var) 2>&1`"); then
  82         eval $var=C; export $var
  83     else
  84         unset $var
  85     fi
  86 done
  87
  88 #   initial command line handling
  89 if [ $# -eq 0 ]; then
  90     echo "$0:Error: invalid command line" 1>&2
  91     echo "$0:Hint:  run \`$0 -h' for usage" 1>&2
  92     exit 1
  93 fi
  94 if [ ".$1" = ".-h" ] || [ ".$1" = ".--help" ]; then
  95     echo "This is GNU shtool, version 2.0.5 (07-Feb-2006)"
  96     echo 'Copyright (c) 1994-2006 Ralf S. Engelschall <rse@engelschall.com>'
  97     echo 'Report bugs to <bug-shtool@gnu.org>'
  98     echo ''
  99     echo 'Usage: shtool [<options>] [<cmd-name> [<cmd-options>] [<cmd-args>]]'
 100     echo ''
 101     echo 'Available global <options>:'
 102     echo '  -v, --version   display shtool version information'
 103     echo '  -h, --help      display shtool usage help page (this one)'
 104     echo '  -d, --debug     display shell trace information'
 105     echo '  -r, --recreate  recreate this shtool script via shtoolize'
 106     echo ''
 107     echo 'Available <cmd-name> [<cmd-options>] [<cmd-args>]:'
 108     echo '  echo     [-n|--newline] [-e|--expand] [<string> ...]'
 109     echo '  move     [-v|--verbose] [-t|--trace] [-e|--expand] [-p|--preserve]'
 110     echo '           <src-file> <dst-file>'
 111     echo '  install  [-v|--verbose] [-t|--trace] [-d|--mkdir] [-c|--copy]'
 112     echo '           [-C|--compare-copy] [-s|--strip] [-m|--mode <mode>]'
 113     echo '           [-o|--owner <owner>] [-g|--group <group>] [-e|--exec'
 114     echo '           <sed-cmd>] <file> [<file> ...] <path>'
 115     echo '  mkdir    [-t|--trace] [-f|--force] [-p|--parents] [-m|--mode'
 116     echo '           <mode>] [-o|--owner <owner>] [-g|--group <group>] <dir>'
 117     echo '           [<dir> ...]'
 118     echo '  mkln     [-t|--trace] [-f|--force] [-s|--symbolic] <src-path>'
 119     echo '           [<src-path> ...] <dst-path>'
 120     echo '  subst    [-v|--verbose] [-t|--trace] [-n|--nop] [-w|--warning]'
 121     echo '           [-q|--quiet] [-s|--stealth] [-i|--interactive] [-b|--backup'
 122     echo '           <ext>] [-e|--exec <cmd>] [-f|--file <cmd-file>] [<file>]'
 123     echo '           [...]'
 124     echo ''
 125     echo 'Not available <cmd-name> (because module was not built-in):'
 126     echo '  mdate    [-n|--newline] [-z|--zero] [-s|--shorten] [-d|--digits]'
 127     echo '           [-f|--field-sep <str>] [-o|--order <spec>] <path>'
 128     echo '  table    [-F|--field-sep <sep>] [-w|--width <width>] [-c|--columns'
 129     echo '           <cols>] [-s|--strip <strip>] <str><sep><str>...'
 130     echo '  prop     [-p|--prefix <str>]'
 131     echo '  mkshadow [-v|--verbose] [-t|--trace] [-a|--all] <src-dir> <dst-dir>'
 132     echo '  fixperm  [-v|--verbose] [-t|--trace] <path> [<path> ...]'
 133     echo '  rotate   [-v|--verbose] [-t|--trace] [-f|--force] [-n|--num-files'
 134     echo '           <count>] [-s|--size <size>] [-c|--copy] [-r|--remove]'
 135     echo '           [-a|--archive-dir <dir>] [-z|--compress [<tool>:]<level>]'
 136     echo '           [-b|--background] [-d|--delay] [-p|--pad <len>] [-m|--mode'
 137     echo '           <mode>] [-o|--owner <owner>] [-g|--group <group>] [-M|--migrate'
 138     echo '           <cmd>] [-P|--prolog <cmd>] [-E|--epilog <cmd>] <file> [...]'
 139     echo '  tarball  [-t|--trace] [-v|--verbose] [-o|--output <tarball>]'
 140     echo '           [-c|--compress <prog>] [-d|--directory <dir>] [-u|--user'
 141     echo '           <user>] [-g|--group <group>] [-e|--exclude <pattern>]'
 142     echo '           <path> [<path> ...]'
 143     echo '  platform [-F|--format <format>] [-S|--sep <string>] [-C|--conc'
 144     echo '           <string>] [-L|--lower] [-U|--upper] [-v|--verbose]'
 145     echo '           [-c|--concise] [-n|--no-newline] [-t|--type <type>]'
 146     echo '           [-V|--version] [-h|--help]'
 147     echo '  arx      [-t|--trace] [-C|--command <cmd>] <op> <archive> [<file>'
 148     echo '           ...]'
 149     echo '  slo      [-p|--prefix <str>] -- -L<dir> -l<lib> [-L<dir> -l<lib>'
 150     echo '           ...]'
 151     echo '  scpp     [-v|--verbose] [-p|--preserve] [-f|--filter <filter>]'
 152     echo '           [-o|--output <ofile>] [-t|--template <tfile>] [-M|--mark'
 153     echo '           <mark>] [-D|--define <dname>] [-C|--class <cname>]'
 154     echo '           <file> [<file> ...]'
 155     echo '  version  [-l|--language <lang>] [-n|--name <name>] [-p|--prefix'
 156     echo '           <prefix>] [-s|--set <version>] [-e|--edit] [-i|--increase'
 157     echo '           <knob>] [-d|--display <type>] <file>'
 158     echo '  path     [-s|--suppress] [-r|--reverse] [-d|--dirname] [-b|--basename]'
 159     echo '           [-m|--magic] [-p|--path <path>] <str> [<str> ...]'
 160     echo ''
 161     exit 0
 162 fi
 163 if [ ".$1" = ".-v" ] || [ ".$1" = ".--version" ]; then
 164     echo "GNU shtool 2.0.5 (07-Feb-2006)"
 165     exit 0
 166 fi
 167 if [ ".$1" = ".-r" ] || [ ".$1" = ".--recreate" ]; then
 168     shtoolize -oshtool echo move install mkdir mkln subst
 169     exit 0
 170 fi
 171 if [ ".$1" = ".-d" ] || [ ".$1" = ".--debug" ]; then
 172     shift
 173     set -x
 174 fi
 175 name=`echo "$0" | sed -e 's;.*/\([^/]*\)$;\1;' -e 's;-sh$;;' -e 's;\.sh$;;'`
 176 case "$name" in
 177     echo|move|install|mkdir|mkln|subst )
 178         #   implicit tool command selection
 179         tool="$name"
 180         ;;
 181     * )
 182         #   explicit tool command selection
 183         tool="$1"
 184         shift
 185         ;;
 186 esac
 187 arg_spec=""
 188 opt_spec=""
 189 gen_tmpfile=no
 190
 191 ##
 192 ##  DISPATCH INTO SCRIPT PROLOG
 193 ##
 194
 195 case $tool in
 196     echo )
 197         str_tool="echo"
 198         str_usage="[-n|--newline] [-e|--expand] [<string> ...]"
 199         arg_spec="0+"
 200         opt_spec="n.e."
 201         opt_alias="n:newline,e:expand"
 202         opt_n=no
 203         opt_e=no
 204         ;;
 205     move )
 206         str_tool="move"
 207         str_usage="[-v|--verbose] [-t|--trace] [-e|--expand] [-p|--preserve] <src-file> <dst-file>"
 208         arg_spec="2="
 209         opt_spec="v.t.e.p."
 210         opt_alias="v:verbose,t:trace,e:expand,p:preserve"
 211         opt_v=no
 212         opt_t=no
 213         opt_e=no
 214         opt_p=no
 215         ;;
 216     install )
 217         str_tool="install"
 218         str_usage="[-v|--verbose] [-t|--trace] [-d|--mkdir] [-c|--copy] [-C|--compare-copy] [-s|--strip] [-m|--mode <mode>] [-o|--owner <owner>] [-g|--group <group>] [-e|--exec <sed-cmd>] <file> [<file> ...] <path>"
 219         arg_spec="1+"
 220         opt_spec="v.t.d.c.C.s.m:o:g:e+"
 221         opt_alias="v:verbose,t:trace,d:mkdir,c:copy,C:compare-copy,s:strip,m:mode,o:owner,g:group,e:exec"
 222         opt_v=no
 223         opt_t=no
 224         opt_d=no
 225         opt_c=no
 226         opt_C=no
 227         opt_s=no
 228         opt_m="0755"
 229         opt_o=""
 230         opt_g=""
 231         opt_e=""
 232         ;;
 233     mkdir )
 234         str_tool="mkdir"
 235         str_usage="[-t|--trace] [-f|--force] [-p|--parents] [-m|--mode <mode>] [-o|--owner <owner>] [-g|--group <group>] <dir> [<dir> ...]"
 236         arg_spec="1+"
 237         opt_spec="t.f.p.m:o:g:"
 238         opt_alias="t:trace,f:force,p:parents,m:mode,o:owner,g:group"
 239         opt_t=no
 240         opt_f=no
 241         opt_p=no
 242         opt_m=""
 243         opt_o=""
 244         opt_g=""
 245         ;;
 246     mkln )
 247         str_tool="mkln"
 248         str_usage="[-t|--trace] [-f|--force] [-s|--symbolic] <src-path> [<src-path> ...] <dst-path>"
 249         arg_spec="2+"
 250         opt_spec="t.f.s."
 251         opt_alias="t:trace,f:force,s:symbolic"
 252         opt_t=no
 253         opt_f=no
 254         opt_s=no
 255         ;;
 256     subst )
 257         str_tool="subst"
 258         str_usage="[-v|--verbose] [-t|--trace] [-n|--nop] [-w|--warning] [-q|--quiet] [-s|--stealth] [-i|--interactive] [-b|--backup <ext>] [-e|--exec <cmd>] [-f|--file <cmd-file>] [<file>] [...]"
 259         gen_tmpfile=yes
 260         arg_spec="0+"
 261         opt_spec="v.t.n.w.q.s.i.b:e+f:"
 262         opt_alias="v:verbose,t:trace,n:nop,w:warning,q:quiet,s:stealth,i:interactive,b:backup,e:exec,f:file"
 263         opt_v=no
 264         opt_t=no
 265         opt_n=no
 266         opt_w=no
 267         opt_q=no
 268         opt_s=no
 269         opt_i=no
 270         opt_b=""
 271         opt_e=""
 272         opt_f=""
 273         ;;
 274     -* )
 275         echo "$0:Error: unknown option \`$tool'" 2>&1
 276         echo "$0:Hint:  run \`$0 -h' for usage" 2>&1
 277         exit 1
 278         ;;
 279     * )
 280         echo "$0:Error: unknown command \`$tool'" 2>&1
 281         echo "$0:Hint:  run \`$0 -h' for usage" 2>&1
 282         exit 1
 283         ;;
 284 esac
 285
 286 ##
 287 ##  COMMON UTILITY CODE
 288 ##
 289
 290 #   commonly used ASCII values
 291 ASC_TAB="       "
 292 ASC_NL="
 293 "
 294
 295 #   determine name of tool
 296 if [ ".$tool" != . ]; then
 297     #   used inside shtool script
 298     toolcmd="$0 $tool"
 299     toolcmdhelp="shtool $tool"
 300     msgprefix="shtool:$tool"
 301 else
 302     #   used as standalone script
 303     toolcmd="$0"
 304     toolcmdhelp="sh $0"
 305     msgprefix="$str_tool"
 306 fi
 307
 308 #   parse argument specification string
 309 eval `echo $arg_spec |\
 310       sed -e 's/^\([0-9]*\)\([+=]\)/arg_NUMS=\1; arg_MODE=\2/'`
 311
 312 #   parse option specification string
 313 eval `echo h.$opt_spec |\
 314       sed -e 's/\([a-zA-Z0-9]\)\([.:+]\)/opt_MODE_\1=\2;/g'`
 315
 316 #   parse option alias string
 317 eval `echo h:help,$opt_alias |\
 318       sed -e 's/-/_/g' -e 's/\([a-zA-Z0-9]\):\([^,]*\),*/opt_ALIAS_\2=\1;/g'`
 319
 320 #   interate over argument line
 321 opt_PREV=''
 322 while [ $# -gt 0 ]; do
 323     #   special option stops processing
 324     if [ ".$1" = ".--" ]; then
 325         shift
 326         break
 327     fi
 328
 329     #   determine option and argument
 330     opt_ARG_OK=no
 331     if [ ".$opt_PREV" != . ]; then
 332         #   merge previous seen option with argument
 333         opt_OPT="$opt_PREV"
 334         opt_ARG="$1"
 335         opt_ARG_OK=yes
 336         opt_PREV=''
 337     else
 338         #   split argument into option and argument
 339         case "$1" in
 340             --[a-zA-Z0-9]*=*)
 341                 eval `echo "x$1" |\
 342                       sed -e 's/^x--\([a-zA-Z0-9-]*\)=\(.*\)$/opt_OPT="\1";opt_ARG="\2"/'`
 343                 opt_STR=`echo $opt_OPT | sed -e 's/-/_/g'`
 344                 eval "opt_OPT=\${opt_ALIAS_${opt_STR}-${opt_OPT}}"
 345                 ;;
 346             --[a-zA-Z0-9]*)
 347                 opt_OPT=`echo "x$1" | cut -c4-`
 348                 opt_STR=`echo $opt_OPT | sed -e 's/-/_/g'`
 349                 eval "opt_OPT=\${opt_ALIAS_${opt_STR}-${opt_OPT}}"
 350                 opt_ARG=''
 351                 ;;
 352             -[a-zA-Z0-9]*)
 353                 eval `echo "x$1" |\
 354                       sed -e 's/^x-\([a-zA-Z0-9]\)/opt_OPT="\1";/' \
 355                           -e 's/";\(.*\)$/"; opt_ARG="\1"/'`
 356                 ;;
 357             -[a-zA-Z0-9])
 358                 opt_OPT=`echo "x$1" | cut -c3-`
 359                 opt_ARG=''
 360                 ;;
 361             *)
 362                 break
 363                 ;;
 364         esac
 365     fi
 366
 367     #   eat up option
 368     shift
 369
 370     #   determine whether option needs an argument
 371     eval "opt_MODE=\$opt_MODE_${opt_OPT}"
 372     if [ ".$opt_ARG" = . ] && [ ".$opt_ARG_OK" != .yes ]; then
 373         if [ ".$opt_MODE" = ".:" ] || [ ".$opt_MODE" = ".+" ]; then
 374             opt_PREV="$opt_OPT"
 375             continue
 376         fi
 377     fi
 378
 379     #   process option
 380     case $opt_MODE in
 381         '.' )
 382             #   boolean option
 383             eval "opt_${opt_OPT}=yes"
 384             ;;
 385         ':' )
 386             #   option with argument (multiple occurances override)
 387             eval "opt_${opt_OPT}=\"\$opt_ARG\""
 388             ;;
 389         '+' )
 390             #   option with argument (multiple occurances append)
 391             eval "opt_${opt_OPT}=\"\$opt_${opt_OPT}\${ASC_NL}\$opt_ARG\""
 392             ;;
 393         * )
 394             echo "$msgprefix:Error: unknown option: \`$opt_OPT'" 1>&2
 395             echo "$msgprefix:Hint:  run \`$toolcmdhelp -h' or \`man shtool' for details" 1>&2
 396             exit 1
 397             ;;
 398     esac
 399 done
 400 if [ ".$opt_PREV" != . ]; then
 401     echo "$msgprefix:Error: missing argument to option \`$opt_PREV'" 1>&2
 402     echo "$msgprefix:Hint:  run \`$toolcmdhelp -h' or \`man shtool' for details" 1>&2
 403     exit 1
 404 fi
 405
 406 #   process help option
 407 if [ ".$opt_h" = .yes ]; then
 408     echo "Usage: $toolcmdhelp $str_usage"
 409     exit 0
 410 fi
 411
 412 #   complain about incorrect number of arguments
 413 case $arg_MODE in
 414     '=' )
 415         if [ $# -ne $arg_NUMS ]; then
 416             echo "$msgprefix:Error: invalid number of arguments (exactly $arg_NUMS expected)" 1>&2
 417             echo "$msgprefix:Hint:  run \`$toolcmd -h' or \`man shtool' for details" 1>&2
 418             exit 1
 419         fi
 420         ;;
 421     '+' )
 422         if [ $# -lt $arg_NUMS ]; then
 423             echo "$msgprefix:Error: invalid number of arguments (at least $arg_NUMS expected)" 1>&2
 424             echo "$msgprefix:Hint:  run \`$toolcmd -h' or \`man shtool' for details" 1>&2
 425             exit 1
 426         fi
 427         ;;
 428 esac
 429
 430 #   establish a temporary file on request
 431 if [ ".$gen_tmpfile" = .yes ]; then
 432     #   create (explicitly) secure temporary directory
 433     if [ ".$TMPDIR" != . ]; then
 434         tmpdir="$TMPDIR"
 435     elif [ ".$TEMPDIR" != . ]; then
 436         tmpdir="$TEMPDIR"
 437     else
 438         tmpdir="/tmp"
 439     fi
 440     tmpdir="$tmpdir/.shtool.$$"
 441     ( umask 077
 442       rm -rf "$tmpdir" >/dev/null 2>&1 || true
 443       mkdir  "$tmpdir" >/dev/null 2>&1
 444       if [ $? -ne 0 ]; then
 445           echo "$msgprefix:Error: failed to create temporary directory \`$tmpdir'" 1>&2
 446           exit 1
 447       fi
 448     )
 449
 450     #   create (implicitly) secure temporary file
 451     tmpfile="$tmpdir/shtool.tmp"
 452     touch "$tmpfile"
 453 fi
 454
 455 #   utility function: map string to lower case
 456 util_lower () {
 457     echo "$1" | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz'
 458 }
 459
 460 #   utility function: map string to upper case
 461 util_upper () {
 462     echo "$1" | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'
 463 }
 464
 465 #   cleanup procedure
 466 shtool_exit () {
 467     rc="$1"
 468     if [ ".$gen_tmpfile" = .yes ]; then
 469         rm -rf "$tmpdir" >/dev/null 2>&1 || true
 470     fi
 471     exit $rc
 472 }
 473
 474 ##
 475 ##  DISPATCH INTO SCRIPT BODY
 476 ##
 477
 478 case $tool in
 479
 480 echo )
 481     ##
 482     ##  echo -- Print string with optional construct expansion
 483     ##  Copyright (c) 1998-2006 Ralf S. Engelschall <rse@engelschall.com>
 484     ##
 485
 486     text="$*"
 487
 488     #   check for broken escape sequence expansion
 489     seo=''
 490     bytes=`echo '\1' | wc -c | awk '{ printf("%s", $1); }'`
 491     if [ ".$bytes" != .3 ]; then
 492         bytes=`echo -E '\1' | wc -c | awk '{ printf("%s", $1); }'`
 493         if [ ".$bytes" = .3 ]; then
 494             seo='-E'
 495         fi
 496     fi
 497
 498     #   check for existing -n option (to suppress newline)
 499     minusn=''
 500     bytes=`echo -n 123 2>/dev/null | wc -c | awk '{ printf("%s", $1); }'`
 501     if [ ".$bytes" = .3 ]; then
 502         minusn='-n'
 503     fi
 504
 505     #   determine terminal bold sequence
 506     term_bold=''
 507     term_norm=''
 508     if [ ".$opt_e" = .yes ] && [ ".`echo $text | grep '%[Bb]'`" != . ]; then
 509         case $TERM in
 510             #   for the most important terminal types we directly know the sequences
 511             xterm|xterm*|vt220|vt220*)
 512                 term_bold=`awk 'BEGIN { printf("%c%c%c%c", 27, 91, 49, 109); }' </dev/null 2>/dev/null`
 513                 term_norm=`awk 'BEGIN { printf("%c%c%c", 27, 91, 109); }' </dev/null 2>/dev/null`
 514                 ;;
 515             vt100|vt100*|cygwin)
 516                 term_bold=`awk 'BEGIN { printf("%c%c%c%c%c%c", 27, 91, 49, 109, 0, 0); }' </dev/null 2>/dev/null`
 517                 term_norm=`awk 'BEGIN { printf("%c%c%c%c%c", 27, 91, 109, 0, 0); }' </dev/null 2>/dev/null`
 518                 ;;
 519             #   for all others, we try to use a possibly existing `tput' or `tcout' utility
 520             * )
 521                 paths=`echo $PATH | sed -e 's/:/ /g'`
 522                 for tool in tput tcout; do
 523                     for dir in $paths; do
 524                         if [ -r "$dir/$tool" ]; then
 525                             for seq in bold md smso; do # 'smso' is last
 526                                 bold="`$dir/$tool $seq 2>/dev/null`"
 527                                 if [ ".$bold" != . ]; then
 528                                     term_bold="$bold"
 529                                     break
 530                                 fi
 531                             done
 532                             if [ ".$term_bold" != . ]; then
 533                                 for seq in sgr0 me rmso init reset; do # 'reset' is last
 534                                     norm="`$dir/$tool $seq 2>/dev/null`"
 535                                     if [ ".$norm" != . ]; then
 536                                         term_norm="$norm"
 537                                         break
 538                                     fi
 539                                 done
 540                             fi
 541                             break
 542                         fi
 543                     done
 544                     if [ ".$term_bold" != . ] && [ ".$term_norm" != . ]; then
 545                         break;
 546                     fi
 547                 done
 548                 ;;
 549         esac
 550         if [ ".$term_bold" = . ] || [ ".$term_norm" = . ]; then
 551             echo "$msgprefix:Warning: unable to determine terminal sequence for bold mode" 1>&2
 552             term_bold=''
 553             term_norm=''
 554         fi
 555     fi
 556
 557     #   determine user name
 558     username=''
 559     if [ ".$opt_e" = .yes ] && [ ".`echo $text | grep '%[uUgG]'`" != . ]; then
 560         username="`(id -un) 2>/dev/null`"
 561         if [ ".$username" = . ]; then
 562             str="`(id) 2>/dev/null`"
 563             if [ ".`echo $str | grep '^uid[     ]*=[    ]*[0-9]*('`" != . ]; then
 564                 username=`echo $str | sed -e 's/^uid[   ]*=[    ]*[0-9]*(//' -e 's/).*$//'`
 565             fi
 566             if [ ".$username" = . ]; then
 567                 username="$LOGNAME"
 568                 if [ ".$username" = . ]; then
 569                     username="$USER"
 570                     if [ ".$username" = . ]; then
 571                         username="`(whoami) 2>/dev/null |\
 572                                    awk '{ printf("%s", $1); }'`"
 573                         if [ ".$username" = . ]; then
 574                             username="`(who am i) 2>/dev/null |\
 575                                        awk '{ printf("%s", $1); }'`"
 576                             if [ ".$username" = . ]; then
 577                                 username='unknown'
 578                             fi
 579                         fi
 580                     fi
 581                 fi
 582             fi
 583         fi
 584     fi
 585
 586     #   determine user id
 587     userid=''
 588     if [ ".$opt_e" = .yes ] && [ ".`echo $text | grep '%U'`" != . ]; then
 589         userid="`(id -u) 2>/dev/null`"
 590         if [ ".$userid" = . ]; then
 591             userid="`(id -u ${username}) 2>/dev/null`"
 592             if [ ".$userid" = . ]; then
 593                 str="`(id) 2>/dev/null`"
 594                 if [ ".`echo $str | grep '^uid[         ]*=[    ]*[0-9]*('`" != . ]; then
 595                     userid=`echo $str | sed -e 's/^uid[         ]*=[    ]*//' -e 's/(.*$//'`
 596                 fi
 597                 if [ ".$userid" = . ]; then
 598                     userid=`(getent passwd ${username}) 2>/dev/null | \
 599                             sed -e 's/[^:]*:[^:]*://' -e 's/:.*$//'`
 600                     if [ ".$userid" = . ]; then
 601                         userid=`grep "^${username}:" /etc/passwd 2>/dev/null | \
 602                                 sed -e 's/[^:]*:[^:]*://' -e 's/:.*$//'`
 603                         if [ ".$userid" = . ]; then
 604                             userid=`(ypcat passwd) 2>/dev/null |
 605                                     grep "^${username}:" | \
 606                                     sed -e 's/[^:]*:[^:]*://' -e 's/:.*$//'`
 607                             if [ ".$userid" = . ]; then
 608                                 userid='?'
 609                             fi
 610                         fi
 611                     fi
 612                 fi
 613             fi
 614         fi
 615     fi
 616
 617     #   determine (primary) group id
 618     groupid=''
 619     if [ ".$opt_e" = .yes ] && [ ".`echo $text | grep '%[gG]'`" != . ]; then
 620         groupid="`(id -g ${username}) 2>/dev/null`"
 621         if [ ".$groupid" = . ]; then
 622             str="`(id) 2>/dev/null`"
 623             if [ ".`echo $str | grep 'gid[      ]*=[    ]*[0-9]*('`" != . ]; then
 624                 groupid=`echo $str | sed -e 's/^.*gid[  ]*=[    ]*//' -e 's/(.*$//'`
 625             fi
 626             if [ ".$groupid" = . ]; then
 627                 groupid=`(getent passwd ${username}) 2>/dev/null | \
 628                          sed -e 's/[^:]*:[^:]*:[^:]*://' -e 's/:.*$//'`
 629                 if [ ".$groupid" = . ]; then
 630                     groupid=`grep "^${username}:" /etc/passwd 2>/dev/null | \
 631                              sed -e 's/[^:]*:[^:]*:[^:]*://' -e 's/:.*$//'`
 632                     if [ ".$groupid" = . ]; then
 633                         groupid=`(ypcat passwd) 2>/dev/null | grep "^${username}:" | \
 634                                  sed -e 's/[^:]*:[^:]*:[^:]*://' -e 's/:.*$//'`
 635                         if [ ".$groupid" = . ]; then
 636                             groupid='?'
 637                         fi
 638                     fi
 639                 fi
 640             fi
 641         fi
 642     fi
 643
 644     #   determine (primary) group name
 645     groupname=''
 646     if [ ".$opt_e" = .yes ] && [ ".`echo $text | grep '%g'`" != . ]; then
 647         groupname="`(id -gn ${username}) 2>/dev/null`"
 648         if [ ".$groupname" = . ]; then
 649             str="`(id) 2>/dev/null`"
 650             if [ ".`echo $str | grep 'gid[      ]*=[    ]*[0-9]*('`" != . ]; then
 651                 groupname=`echo $str | sed -e 's/^.*gid[        ]*=[    ]*[0-9]*(//' -e 's/).*$//'`
 652             fi
 653             if [ ".$groupname" = . ]; then
 654                 groupname=`(getent group) 2>/dev/null | \
 655                            grep "^[^:]*:[^:]*:${groupid}:" | \
 656                            sed -e 's/:.*$//'`
 657                 if [ ".$groupname" = . ]; then
 658                     groupname=`grep "^[^:]*:[^:]*:${groupid}:" /etc/group 2>/dev/null | \
 659                                sed -e 's/:.*$//'`
 660                     if [ ".$groupname" = . ]; then
 661                         groupname=`(ypcat group) 2>/dev/null | \
 662                                    grep "^[^:]*:[^:]*:${groupid}:" | \
 663                                    sed -e 's/:.*$//'`
 664                         if [ ".$groupname" = . ]; then
 665                             groupname='?'
 666                         fi
 667                     fi
 668                 fi
 669             fi
 670         fi
 671     fi
 672
 673     #   determine host and domain name
 674     hostname=''
 675     domainname=''
 676     if [ ".$opt_e" = .yes ] && [ ".`echo $text | grep '%h'`" != . ]; then
 677         hostname="`(uname -n) 2>/dev/null |\
 678                    awk '{ printf("%s", $1); }'`"
 679         if [ ".$hostname" = . ]; then
 680             hostname="`(hostname) 2>/dev/null |\
 681                        awk '{ printf("%s", $1); }'`"
 682             if [ ".$hostname" = . ]; then
 683                 hostname='unknown'
 684             fi
 685         fi
 686         case $hostname in
 687             *.* )
 688                 domainname=".`echo $hostname | cut -d. -f2-`"
 689                 hostname="`echo $hostname | cut -d. -f1`"
 690                 ;;
 691         esac
 692     fi
 693     if [ ".$opt_e" = .yes ] && [ ".`echo $text | grep '%d'`" != . ]; then
 694         if [ ".$domainname" = . ]; then
 695             if [ -f /etc/resolv.conf ]; then
 696                 domainname="`grep '^[   ]*domain' /etc/resolv.conf | sed -e 'q' |\
 697                              sed -e 's/.*domain//' \
 698                                  -e 's/^[       ]*//' -e 's/^ *//' -e 's/^      *//' \
 699                                  -e 's/^\.//' -e 's/^/./' |\
 700                              awk '{ printf("%s", $1); }'`"
 701                 if [ ".$domainname" = . ]; then
 702                     domainname="`grep '^[       ]*search' /etc/resolv.conf | sed -e 'q' |\
 703                                  sed -e 's/.*search//' \
 704                                      -e 's/^[   ]*//' -e 's/^ *//' -e 's/^      *//' \
 705                                      -e 's/ .*//' -e 's/        .*//' \
 706                                      -e 's/^\.//' -e 's/^/./' |\
 707                                  awk '{ printf("%s", $1); }'`"
 708                 fi
 709             fi
 710         fi
 711     fi
 712
 713     #   determine current time
 714     time_day=''
 715     time_month=''
 716     time_year=''
 717     time_monthname=''
 718     if [ ".$opt_e" = .yes ] && [ ".`echo $text | grep '%[DMYm]'`" != . ]; then
 719         time_day=`date '+%d'`
 720         time_month=`date '+%m'`
 721         time_year=`date '+%Y' 2>/dev/null`
 722         if [ ".$time_year" = . ]; then
 723             time_year=`date '+%y'`
 724             case $time_year in
 725                 [5-9][0-9]) time_year="19$time_year" ;;
 726                 [0-4][0-9]) time_year="20$time_year" ;;
 727             esac
 728         fi
 729         case $time_month in
 730             1|01) time_monthname='Jan' ;;
 731             2|02) time_monthname='Feb' ;;
 732             3|03) time_monthname='Mar' ;;
 733             4|04) time_monthname='Apr' ;;
 734             5|05) time_monthname='May' ;;
 735             6|06) time_monthname='Jun' ;;
 736             7|07) time_monthname='Jul' ;;
 737             8|08) time_monthname='Aug' ;;
 738             9|09) time_monthname='Sep' ;;
 739               10) time_monthname='Oct' ;;
 740               11) time_monthname='Nov' ;;
 741               12) time_monthname='Dec' ;;
 742         esac
 743     fi
 744
 745     #   expand special ``%x'' constructs
 746     if [ ".$opt_e" = .yes ]; then
 747         text=`echo $seo "$text" |\
 748               sed -e "s/%B/${term_bold}/g" \
 749                   -e "s/%b/${term_norm}/g" \
 750                   -e "s/%u/${username}/g" \
 751                   -e "s/%U/${userid}/g" \
 752                   -e "s/%g/${groupname}/g" \
 753                   -e "s/%G/${groupid}/g" \
 754                   -e "s/%h/${hostname}/g" \
 755                   -e "s/%d/${domainname}/g" \
 756                   -e "s/%D/${time_day}/g" \
 757                   -e "s/%M/${time_month}/g" \
 758                   -e "s/%Y/${time_year}/g" \
 759                   -e "s/%m/${time_monthname}/g" 2>/dev/null`
 760     fi
 761
 762     #   create output
 763     if [ .$opt_n = .no ]; then
 764         echo $seo "$text"
 765     else
 766         #   the harder part: echo -n is best, because
 767         #   awk may complain about some \xx sequences.
 768         if [ ".$minusn" != . ]; then
 769             echo $seo $minusn "$text"
 770         else
 771             echo dummy | awk '{ printf("%s", TEXT); }' TEXT="$text"
 772         fi
 773     fi
 774
 775     shtool_exit 0
 776     ;;
 777
 778 move )
 779     ##
 780     ##  move -- Move files with simultaneous substitution
 781     ##  Copyright (c) 1999-2006 Ralf S. Engelschall <rse@engelschall.com>
 782     ##
 783
 784     src="$1"
 785     dst="$2"
 786
 787     #   consistency checks
 788     if [ ".$src" = . ] || [ ".$dst" = . ]; then
 789         echo "$msgprefix:Error: Invalid arguments" 1>&2
 790         shtool_exit 1
 791     fi
 792     if [ ".$src" = ".$dst" ]; then
 793         echo "$msgprefix:Error: Source and destination files are the same" 1>&2
 794         shtool_exit 1
 795     fi
 796     expsrc="$src"
 797     if [ ".$opt_e" = .yes ]; then
 798         expsrc="`echo $expsrc`"
 799     fi
 800     if [ ".$opt_e" = .yes ]; then
 801         if [ ".`echo "$src" | sed -e 's;^.*\\*.*$;;'`" = ".$src" ]; then
 802             echo "$msgprefix:Error: Source doesn't contain wildcard ('*'): $dst" 1>&2
 803             shtool_exit 1
 804         fi
 805         if [ ".`echo "$dst" | sed -e 's;^.*%[1-9].*$;;'`" = ".$dst" ]; then
 806             echo "$msgprefix:Error: Destination doesn't contain substitution ('%N'): $dst" 1>&2
 807             shtool_exit 1
 808         fi
 809         if [ ".$expsrc" = ".$src" ]; then
 810             echo "$msgprefix:Error: Sources not found or no asterisk : $src" 1>&2
 811             shtool_exit 1
 812         fi
 813     else
 814         if [ ! -r "$src" ]; then
 815             echo "$msgprefix:Error: Source not found: $src" 1>&2
 816             shtool_exit 1
 817         fi
 818     fi
 819
 820     #   determine substitution patterns
 821     if [ ".$opt_e" = .yes ]; then
 822         srcpat=`echo "$src" | sed -e 's/\\./\\\\./g' -e 's/;/\\;/g' -e 's;\\*;\\\\(.*\\\\);g'`
 823         dstpat=`echo "$dst" | sed -e 's;%\([1-9]\);\\\\\1;g'`
 824     fi
 825
 826     #   iterate over source(s)
 827     for onesrc in $expsrc; do
 828         if [ .$opt_e = .yes ]; then
 829             onedst=`echo $onesrc | sed -e "s;$srcpat;$dstpat;"`
 830         else
 831             onedst="$dst"
 832         fi
 833         errorstatus=0
 834         if [ ".$opt_v" = .yes ]; then
 835             echo "$onesrc -> $onedst"
 836         fi
 837         if [ ".$opt_p" = .yes ]; then
 838             if [ -r $onedst ]; then
 839                 if cmp -s $onesrc $onedst; then
 840                     if [ ".$opt_t" = .yes ]; then
 841                         echo "rm -f $onesrc" 1>&2
 842                     fi
 843                     rm -f $onesrc || errorstatus=$?
 844                 else
 845                     if [ ".$opt_t" = .yes ]; then
 846                         echo "mv -f $onesrc $onedst" 1>&2
 847                     fi
 848                     mv -f $onesrc $onedst || errorstatus=$?
 849                 fi
 850             else
 851                 if [ ".$opt_t" = .yes ]; then
 852                     echo "mv -f $onesrc $onedst" 1>&2
 853                 fi
 854                 mv -f $onesrc $onedst || errorstatus=$?
 855             fi
 856         else
 857             if [ ".$opt_t" = .yes ]; then
 858                 echo "mv -f $onesrc $onedst" 1>&2
 859             fi
 860             mv -f $onesrc $onedst || errorstatus=$?
 861         fi
 862         if [ $errorstatus -ne 0 ]; then
 863             break;
 864         fi
 865     done
 866
 867     shtool_exit $errorstatus
 868     ;;
 869
 870 install )
 871     ##
 872     ##  install -- Install a program, script or datafile
 873     ##  Copyright (c) 1997-2006 Ralf S. Engelschall <rse@engelschall.com>
 874     ##
 875
 876     #   special case: "shtool install -d <dir> [...]" internally
 877     #   maps to "shtool mkdir -f -p -m 755 <dir> [...]"
 878     if [ "$opt_d" = yes ]; then
 879         cmd="$0 mkdir -f -p -m 755"
 880         if [ ".$opt_o" != . ]; then
 881             cmd="$cmd -o '$opt_o'"
 882         fi
 883         if [ ".$opt_g" != . ]; then
 884             cmd="$cmd -g '$opt_g'"
 885         fi
 886         if [ ".$opt_v" = .yes ]; then
 887             cmd="$cmd -v"
 888         fi
 889         if [ ".$opt_t" = .yes ]; then
 890             cmd="$cmd -t"
 891         fi
 892         for dir in "$@"; do
 893             eval "$cmd $dir" || shtool_exit $?
 894         done
 895         shtool_exit 0
 896     fi
 897
 898     #   determine source(s) and destination
 899     argc=$#
 900     srcs=""
 901     while [ $# -gt 1 ]; do
 902         srcs="$srcs $1"
 903         shift
 904     done
 905     dstpath="$1"
 906
 907     #   type check for destination
 908     dstisdir=0
 909     if [ -d $dstpath ]; then
 910         dstpath=`echo "$dstpath" | sed -e 's:/$::'`
 911         dstisdir=1
 912     fi
 913
 914     #   consistency check for destination
 915     if [ $argc -gt 2 ] && [ $dstisdir = 0 ]; then
 916         echo "$msgprefix:Error: multiple sources require destination to be directory" 1>&2
 917         shtool_exit 1
 918     fi
 919
 920     #   iterate over all source(s)
 921     for src in $srcs; do
 922         dst=$dstpath
 923
 924         #   if destination is a directory, append the input filename
 925         if [ $dstisdir = 1 ]; then
 926             dstfile=`echo "$src" | sed -e 's;.*/\([^/]*\)$;\1;'`
 927             dst="$dst/$dstfile"
 928         fi
 929
 930         #   check for correct arguments
 931         if [ ".$src" = ".$dst" ]; then
 932             echo "$msgprefix:Warning: source and destination are the same - skipped" 1>&2
 933             continue
 934         fi
 935         if [ -d "$src" ]; then
 936             echo "$msgprefix:Warning: source \`$src' is a directory - skipped" 1>&2
 937             continue
 938         fi
 939
 940         #   make a temp file name in the destination directory
 941         dsttmp=`echo $dst |\
 942                 sed -e 's;[^/]*$;;' -e 's;\(.\)/$;\1;' -e 's;^$;.;' \
 943                     -e "s;\$;/#INST@$$#;"`
 944
 945         #   verbosity
 946         if [ ".$opt_v" = .yes ]; then
 947             echo "$src -> $dst" 1>&2
 948         fi
 949
 950         #   copy or move the file name to the temp name
 951         #   (because we might be not allowed to change the source)
 952         if [ ".$opt_C" = .yes ]; then
 953             opt_c=yes
 954         fi
 955         if [ ".$opt_c" = .yes ]; then
 956             if [ ".$opt_t" = .yes ]; then
 957                 echo "cp $src $dsttmp" 1>&2
 958             fi
 959             cp $src $dsttmp || shtool_exit $?
 960         else
 961             if [ ".$opt_t" = .yes ]; then
 962                 echo "mv $src $dsttmp" 1>&2
 963             fi
 964             mv $src $dsttmp || shtool_exit $?
 965         fi
 966
 967         #   adjust the target file
 968         if [ ".$opt_e" != . ]; then
 969             sed='sed'
 970             OIFS="$IFS"; IFS="$ASC_NL"; set -- $opt_e; IFS="$OIFS"
 971             for e
 972             do
 973                 sed="$sed -e '$e'"
 974             done
 975             cp $dsttmp $dsttmp.old
 976             chmod u+w $dsttmp
 977             eval "$sed <$dsttmp.old >$dsttmp" || shtool_exit $?
 978             rm -f $dsttmp.old
 979         fi
 980         if [ ".$opt_s" = .yes ]; then
 981             if [ ".$opt_t" = .yes ]; then
 982                 echo "strip $dsttmp" 1>&2
 983             fi
 984             strip $dsttmp || shtool_exit $?
 985         fi
 986         if [ ".$opt_o" != . ]; then
 987             if [ ".$opt_t" = .yes ]; then
 988                 echo "chown $opt_o $dsttmp" 1>&2
 989             fi
 990             chown $opt_o $dsttmp || shtool_exit $?
 991         fi
 992         if [ ".$opt_g" != . ]; then
 993             if [ ".$opt_t" = .yes ]; then
 994                 echo "chgrp $opt_g $dsttmp" 1>&2
 995             fi
 996             chgrp $opt_g $dsttmp || shtool_exit $?
 997         fi
 998         if [ ".$opt_m" != ".-" ]; then
 999             if [ ".$opt_t" = .yes ]; then
1000                 echo "chmod $opt_m $dsttmp" 1>&2
1001             fi
1002             chmod $opt_m $dsttmp || shtool_exit $?
1003         fi
1004
1005         #   determine whether to do a quick install
1006         #   (has to be done _after_ the strip was already done)
1007         quick=no
1008         if [ ".$opt_C" = .yes ]; then
1009             if [ -r $dst ]; then
1010                 if cmp -s $src $dst; then
1011                     quick=yes
1012                 fi
1013             fi
1014         fi
1015
1016         #   finally, install the file to the real destination
1017         if [ $quick = yes ]; then
1018             if [ ".$opt_t" = .yes ]; then
1019                 echo "rm -f $dsttmp" 1>&2
1020             fi
1021             rm -f $dsttmp
1022         else
1023             if [ ".$opt_t" = .yes ]; then
1024                 echo "rm -f $dst && mv $dsttmp $dst" 1>&2
1025             fi
1026             rm -f $dst && mv $dsttmp $dst
1027         fi
1028     done
1029
1030     shtool_exit 0
1031     ;;
1032
1033 mkdir )
1034     ##
1035     ##  mkdir -- Make one or more directories
1036     ##  Copyright (c) 1996-2006 Ralf S. Engelschall <rse@engelschall.com>
1037     ##
1038
1039     errstatus=0
1040     for p in ${1+"$@"}; do
1041         #   if the directory already exists...
1042         if [ -d "$p" ]; then
1043             if [ ".$opt_f" = .no ] && [ ".$opt_p" = .no ]; then
1044                 echo "$msgprefix:Error: directory already exists: $p" 1>&2
1045                 errstatus=1
1046                 break
1047             else
1048                 continue
1049             fi
1050         fi
1051         #   if the directory has to be created...
1052         if [ ".$opt_p" = .no ]; then
1053             if [ ".$opt_t" = .yes ]; then
1054                 echo "mkdir $p" 1>&2
1055             fi
1056             mkdir $p || errstatus=$?
1057             if [ ".$opt_o" != . ]; then
1058                 if [ ".$opt_t" = .yes ]; then
1059                     echo "chown $opt_o $p" 1>&2
1060                 fi
1061                 chown $opt_o $p || errstatus=$?
1062             fi
1063             if [ ".$opt_g" != . ]; then
1064                 if [ ".$opt_t" = .yes ]; then
1065                     echo "chgrp $opt_g $p" 1>&2
1066                 fi
1067                 chgrp $opt_g $p || errstatus=$?
1068             fi
1069             if [ ".$opt_m" != . ]; then
1070                 if [ ".$opt_t" = .yes ]; then
1071                     echo "chmod $opt_m $p" 1>&2
1072                 fi
1073                 chmod $opt_m $p || errstatus=$?
1074             fi
1075         else
1076             #   the smart situation
1077             set fnord `echo ":$p" |\
1078                        sed -e 's/^:\//%/' \
1079                            -e 's/^://' \
1080                            -e 's/\// /g' \
1081                            -e 's/^%/\//'`
1082             shift
1083             pathcomp=''
1084             for d in ${1+"$@"}; do
1085                 pathcomp="$pathcomp$d"
1086                 case "$pathcomp" in
1087                     -* ) pathcomp="./$pathcomp" ;;
1088                 esac
1089                 if [ ! -d "$pathcomp" ]; then
1090                     if [ ".$opt_t" = .yes ]; then
1091                         echo "mkdir $pathcomp" 1>&2
1092                     fi
1093                     mkdir $pathcomp || errstatus=$?
1094                     if [ ".$opt_o" != . ]; then
1095                         if [ ".$opt_t" = .yes ]; then
1096                             echo "chown $opt_o $pathcomp" 1>&2
1097                         fi
1098                         chown $opt_o $pathcomp || errstatus=$?
1099                     fi
1100                     if [ ".$opt_g" != . ]; then
1101                         if [ ".$opt_t" = .yes ]; then
1102                             echo "chgrp $opt_g $pathcomp" 1>&2
1103                         fi
1104                         chgrp $opt_g $pathcomp || errstatus=$?
1105                     fi
1106                     if [ ".$opt_m" != . ]; then
1107                         if [ ".$opt_t" = .yes ]; then
1108                             echo "chmod $opt_m $pathcomp" 1>&2
1109                         fi
1110                         chmod $opt_m $pathcomp || errstatus=$?
1111                     fi
1112                 fi
1113                 pathcomp="$pathcomp/"
1114             done
1115         fi
1116     done
1117
1118     shtool_exit $errstatus
1119     ;;
1120
1121 mkln )
1122     ##
1123     ##  mkln -- Make link with calculation of relative paths
1124     ##  Copyright (c) 1998-2006 Ralf S. Engelschall <rse@engelschall.com>
1125     ##
1126
1127     #   determine source(s) and destination
1128     args=$?
1129     srcs=""
1130     while [ $# -gt 1 ]; do
1131         srcs="$srcs $1"
1132         shift
1133     done
1134     dst="$1"
1135     if [ ! -d $dst ]; then
1136         if [ $args -gt 2 ]; then
1137             echo "$msgprefix:Error: multiple sources not allowed when target isn't a directory" 1>&2
1138             shtool_exit 1
1139         fi
1140     fi
1141
1142     #   determine link options
1143     lnopt=""
1144     if [ ".$opt_f" = .yes ]; then
1145         lnopt="$lnopt -f"
1146     fi
1147     if [ ".$opt_s" = .yes ]; then
1148         lnopt="$lnopt -s"
1149     fi
1150
1151     #   iterate over sources
1152     for src in $srcs; do
1153         #   determine if one of the paths is an absolute path,
1154         #   because then we _have_ to use an absolute symlink
1155         oneisabs=0
1156         srcisabs=0
1157         dstisabs=0
1158         case $src in
1159             /* ) oneisabs=1; srcisabs=1 ;;
1160         esac
1161         case $dst in
1162             /* ) oneisabs=1; dstisabs=1 ;;
1163         esac
1164
1165         #   split source and destination into dir and base name
1166         if [ -d $src ]; then
1167             srcdir=`echo $src | sed -e 's;/*$;;'`
1168             srcbase=""
1169         else
1170             srcdir=`echo  $src | sed -e 's;^[^/]*$;;' -e 's;^\(.*/\)[^/]*$;\1;' -e 's;\(.\)/$;\1;'`
1171             srcbase=`echo $src | sed -e 's;.*/\([^/]*\)$;\1;'`
1172         fi
1173         if [ -d $dst ]; then
1174             dstdir=`echo $dst | sed -e 's;/*$;;'`
1175             dstbase=""
1176         else
1177             dstdir=`echo  $dst | sed -e 's;^[^/]*$;;' -e 's;^\(.*/\)[^/]*$;\1;' -e 's;\(.\)/$;\1;'`
1178             dstbase=`echo $dst | sed -e 's;.*/\([^/]*\)$;\1;'`
1179         fi
1180
1181         #   consistency check
1182         if [ ".$dstdir" != . ]; then
1183             if [ ! -d $dstdir ]; then
1184                 echo "$msgprefix:Error: destination directory not found: $dstdir" 1>&2
1185                 shtool_exit 1
1186             fi
1187         fi
1188
1189         #   make sure the source is reachable from the destination
1190         if [ $dstisabs = 1 ]; then
1191             if [ $srcisabs = 0 ]; then
1192                 if [ ".$srcdir" = . ]; then
1193                     srcdir="`pwd | sed -e 's;/*$;;'`"
1194                     srcisabs=1
1195                     oneisabs=1
1196                 elif [ -d $srcdir ]; then
1197                     srcdir="`cd $srcdir; pwd | sed -e 's;/*$;;'`"
1198                     srcisabs=1
1199                     oneisabs=1
1200                 fi
1201             fi
1202         fi
1203
1204         #   split away a common prefix
1205         prefix=""
1206         if [ ".$srcdir" = ".$dstdir" ] && [ ".$srcdir" != . ]; then
1207             prefix="$srcdir/"
1208             srcdir=""
1209             dstdir=""
1210         else
1211             while [ ".$srcdir" != . ] && [ ".$dstdir" != . ]; do
1212                 presrc=`echo $srcdir | sed -e 's;^\([^/]*\)/.*;\1;'`
1213                 predst=`echo $dstdir | sed -e 's;^\([^/]*\)/.*;\1;'`
1214                 if [ ".$presrc" != ".$predst" ]; then
1215                     break
1216                 fi
1217                 prefix="$prefix$presrc/"
1218                 srcdir=`echo $srcdir | sed -e 's;^[^/]*/*;;'`
1219                 dstdir=`echo $dstdir | sed -e 's;^[^/]*/*;;'`
1220             done
1221         fi
1222
1223         #   destination prefix is just the common prefix
1224         dstpre="$prefix"
1225
1226         #   determine source prefix which is the reverse directory
1227         #   step-up corresponding to the destination directory
1228         srcpre=""
1229
1230         isroot=0
1231         if [ ".$prefix" = . ] || [ ".$prefix" = ./ ]; then
1232             isroot=1
1233         fi
1234         if [ $oneisabs = 0 ] || [ $isroot = 0 ]; then
1235             pl="$dstdir/"
1236             OIFS="$IFS"; IFS='/'
1237             for pe in $pl; do
1238                 [ ".$pe" = .  ] && continue
1239                 [ ".$pe" = .. ] && continue
1240                 srcpre="../$srcpre"
1241             done
1242             IFS="$OIFS"
1243         else
1244             if [ $srcisabs = 1 ]; then
1245                 srcpre="$prefix"
1246             fi
1247         fi
1248
1249         #   determine destination symlink name
1250         if [ ".$dstbase" = . ]; then
1251             if [ ".$srcbase" != . ]; then
1252                 dstbase="$srcbase"
1253             else
1254                 dstbase=`echo "$prefix$srcdir" | sed -e 's;/*$;;' -e 's;.*/\([^/]*\)$;\1;'`
1255             fi
1256         fi
1257
1258         #   now finalize source and destination directory paths
1259         srcdir=`echo $srcdir | sed -e 's;\([^/]\)$;\1/;'`
1260         dstdir=`echo $dstdir | sed -e 's;\([^/]\)$;\1/;'`
1261
1262         #   run the final link command
1263         if [ ".$opt_t" = .yes ]; then
1264             echo "ln$lnopt $srcpre$srcdir$srcbase $dstpre$dstdir$dstbase"
1265         fi
1266         eval ln$lnopt $srcpre$srcdir$srcbase $dstpre$dstdir$dstbase
1267     done
1268
1269     shtool_exit 0
1270     ;;
1271
1272 subst )
1273     ##
1274     ##  subst -- Apply sed(1) substitution operations
1275     ##  Copyright (c) 2001-2006 Ralf S. Engelschall <rse@engelschall.com>
1276     ##
1277
1278     #   remember optional list of file(s)
1279     files="$*"
1280     files_num="$#"
1281
1282     #   parameter consistency check
1283     if [ $# -eq 0 ] && [ ".$opt_b" != . ]; then
1284         echo "$msgprefix:Error: option -b cannot be applied to stdin" 1>&2
1285         shtool_exit 1
1286     fi
1287     if [ $# -eq 0 ] && [ ".$opt_s" = .yes ]; then
1288         echo "$msgprefix:Error: option -s cannot be applied to stdin" 1>&2
1289         shtool_exit 1
1290     fi
1291
1292     #   build underlying sed(1) command
1293     sedcmd='sed'
1294     if [ ".$opt_e" != . ]; then
1295         OIFS="$IFS"; IFS="$ASC_NL"; set -- $opt_e; IFS="$OIFS"
1296         for e
1297         do
1298             sedcmd="$sedcmd -e '$e'"
1299         done
1300     elif [ ".$opt_f" != . ]; then
1301         if [ ! -f $opt_f ]; then
1302             echo "$msgprefix:Error: command file \`$opt_f' not found or not a regular file" 1>&2
1303             shtool_exit 1
1304         fi
1305         sedcmd="$sedcmd -f '$opt_f'"
1306     else
1307         echo "$msgprefix:Error: either -e option(s) or -f option required" 1>&2
1308         shtool_exit 1
1309     fi
1310
1311     #   determine extension for original file
1312     orig=".orig"
1313     if [ ".$opt_b" != . ]; then
1314         orig="$opt_b"
1315     fi
1316
1317     #   apply sed(1) operation(s)
1318     if [ ".$files" != . ]; then
1319         #   apply operation(s) to files
1320         substdone=no
1321         for file in $files; do
1322             test ".$file" = . && continue
1323             if [ ! -f $file ]; then
1324                 echo "$msgprefix:Warning: file \`$file' not found or not a regular file" 1>&2
1325                 continue
1326             fi
1327
1328             #   handle interactive mode
1329             if [ ".$opt_i" = .yes ]; then
1330                 eval "$sedcmd <$file >$file.new"
1331                 skip=no
1332                 if cmp $file $file.new >/dev/null 2>&1; then
1333                     rm -f $file.new
1334                     skip=yes
1335                 else
1336                     (diff -U1 $file $file.new >$tmpfile) 2>/dev/null
1337                     if [ ".`cat $tmpfile`" = . ]; then
1338                         (diff -C1 $file $file.new >$tmpfile) 2>/dev/null
1339                         if [ ".`cat $tmpfile`" = . ]; then
1340                             echo "$msgprefix:Warning: unable to show difference for file \`$file'" 1>&2
1341                             cp /dev/null $tmpfile
1342                         fi
1343                     fi
1344                     rm -f $file.new
1345                     cat $tmpfile
1346                     echo dummy | awk '{ printf("%s", TEXT); }' TEXT=">>> Apply [Y/n]: "
1347                     read input
1348                     if [ ".$input" != .Y ] &&\
1349                        [ ".$input" != .y ] &&\
1350                        [ ".$input" != . ]; then
1351                        skip=yes
1352                     fi
1353                 fi
1354                 if [ ".$skip" = .yes ]; then
1355                     if [ ".$opt_v" = .yes ]; then
1356                         echo "file \`$file' -- skipped" 1>&2
1357                     fi
1358                     continue
1359                 fi
1360             fi
1361
1362             #   apply sed(1) operation(s)
1363             if [ ".$opt_v" = .yes ]; then
1364                 echo "patching \`$file'" 1>&2
1365             fi
1366             if [ ".$opt_t" = .yes ]; then
1367                 echo "\$ cp -p $file $file$orig"
1368                 echo "\$ chmod u+w $file"
1369                 echo "\$ $sedcmd <$file$orig >$file"
1370             fi
1371             if [ ".$opt_n" = .no ]; then
1372                 cp -p $file $file$orig
1373                 chmod u+w $file >/dev/null 2>&1 || true
1374                 eval "$sedcmd <$file$orig >$file"
1375             fi
1376
1377             #   optionally fix timestamp
1378             if [ ".$opt_s" = .yes ]; then
1379                 if [ ".$opt_t" = .yes ]; then
1380                     echo "\$ touch -r $file$orig $file"
1381                 fi
1382                 if [ ".$opt_n" = .no ]; then
1383                     touch -r $file$orig $file
1384                 fi
1385             fi
1386
1387             #   optionally check whether any content change actually occurred
1388             if [ ".$opt_q" = .no ]; then
1389                 if cmp $file$orig $file >/dev/null 2>&1; then
1390                     if [ ".$opt_w" = .yes ]; then
1391                         echo "$msgprefix:Warning: substitution resulted in no content change on file \"$file\"" 1>&2
1392                     fi
1393                 else
1394                     substdone=yes
1395                 fi
1396             fi
1397
1398             #   optionally remove preserved original file
1399             if [ ".$opt_b" = . ]; then
1400                 if [ ".$opt_t" = .yes ]; then
1401                     echo "\$ rm -f $file$orig"
1402                 fi
1403                 if [ ".$opt_n" = .no ]; then
1404                     rm -f $file$orig
1405                 fi
1406             fi
1407         done
1408         if [ ".$opt_q" = .no ] && [ ".$opt_w" = .no ]; then
1409             if [ ".$substdone" = .no ]; then
1410                 if [ ".$files_num" = .1 ]; then
1411                     echo "$msgprefix:Warning: substitution resulted in no content change on file \"$file\"" 1>&2
1412                 else
1413                     echo "$msgprefix:Warning: substitution resulted in no content change on any file" 1>&2
1414                 fi
1415             fi
1416         fi
1417     else
1418         #   apply operation(s) to stdin/stdout
1419         if [ ".$opt_v" = .yes ]; then
1420             echo "patching <stdin>" 1>&2
1421         fi
1422         if [ ".$opt_t" = .yes ]; then
1423             echo "\$ $sedcmd"
1424         fi
1425         if [ ".$opt_n" = .no ]; then
1426             eval "$sedcmd"
1427         fi
1428     fi
1429
1430     shtool_exit 0
1431     ;;
1432
1433 esac
1434
1435 shtool_exit 0
1436