gnu/dist/groff/mkinstalldirs

   1 #! /bin/sh
   2 # mkinstalldirs --- make directory hierarchy
   3
   4 scriptversion=2005-06-29.22
   5
   6 # Original author: Noah Friedman <friedman@prep.ai.mit.edu>
   7 # Created: 1993-05-16
   8 # Public domain.
   9 #
  10 # This file is maintained in Automake, please report
  11 # bugs to <bug-automake@gnu.org> or send patches to
  12 # <automake-patches@gnu.org>.
  13
  14 errstatus=0
  15 dirmode=
  16
  17 usage="\
  18 Usage: mkinstalldirs [-h] [--help] [--version] [-m MODE] DIR ...
  19
  20 Create each directory DIR (with mode MODE, if specified), including all
  21 leading file name components.
  22
  23 Report bugs to <bug-automake@gnu.org>."
  24
  25 # process command line arguments
  26 while test $# -gt 0 ; do
  27   case $1 in
  28     -h | --help | --h*)         # -h for help
  29       echo "$usage"
  30       exit $?
  31       ;;
  32     -m)                         # -m PERM arg
  33       shift
  34       test $# -eq 0 && { echo "$usage" 1>&2; exit 1; }
  35       dirmode=$1
  36       shift
  37       ;;
  38     --version)
  39       echo "$0 $scriptversion"
  40       exit $?
  41       ;;
  42     --)                         # stop option processing
  43       shift
  44       break
  45       ;;
  46     -*)                         # unknown option
  47       echo "$usage" 1>&2
  48       exit 1
  49       ;;
  50     *)                          # first non-opt arg
  51       break
  52       ;;
  53   esac
  54 done
  55
  56 for file
  57 do
  58   if test -d "$file"; then
  59     shift
  60   else
  61     break
  62   fi
  63 done
  64
  65 case $# in
  66   0) exit 0 ;;
  67 esac
  68
  69 # Solaris 8's mkdir -p isn't thread-safe.  If you mkdir -p a/b and
  70 # mkdir -p a/c at the same time, both will detect that a is missing,
  71 # one will create a, then the other will try to create a and die with
  72 # a "File exists" error.  This is a problem when calling mkinstalldirs
  73 # from a parallel make.  We use --version in the probe to restrict
  74 # ourselves to GNU mkdir, which is thread-safe.
  75 case $dirmode in
  76   '')
  77     if mkdir -p --version . >/dev/null 2>&1 && test ! -d ./--version; then
  78       echo "mkdir -p -- $*"
  79       exec mkdir -p -- "$@"
  80     else
  81       # On NextStep and OpenStep, the `mkdir' command does not
  82       # recognize any option.  It will interpret all options as
  83       # directories to create, and then abort because `.' already
  84       # exists.
  85       test -d ./-p && rmdir ./-p
  86       test -d ./--version && rmdir ./--version
  87     fi
  88     ;;
  89   *)
  90     if mkdir -m "$dirmode" -p --version . >/dev/null 2>&1 &&
  91        test ! -d ./--version; then
  92       echo "mkdir -m $dirmode -p -- $*"
  93       exec mkdir -m "$dirmode" -p -- "$@"
  94     else
  95       # Clean up after NextStep and OpenStep mkdir.
  96       for d in ./-m ./-p ./--version "./$dirmode";
  97       do
  98         test -d $d && rmdir $d
  99       done
 100     fi
 101     ;;
 102 esac
 103
 104 for file
 105 do
 106   case $file in
 107     /*) pathcomp=/ ;;
 108     *)  pathcomp= ;;
 109   esac
 110   oIFS=$IFS
 111   IFS=/
 112   set fnord $file
 113   shift
 114   IFS=$oIFS
 115
 116   for d
 117   do
 118     test "x$d" = x && continue
 119
 120     pathcomp=$pathcomp$d
 121     case $pathcomp in
 122       -*) pathcomp=./$pathcomp ;;
 123     esac
 124
 125     if test ! -d "$pathcomp"; then
 126       echo "mkdir $pathcomp"
 127
 128       mkdir "$pathcomp" || lasterr=$?
 129
 130       if test ! -d "$pathcomp"; then
 131         errstatus=$lasterr
 132       else
 133         if test ! -z "$dirmode"; then
 134           echo "chmod $dirmode $pathcomp"
 135           lasterr=
 136           chmod "$dirmode" "$pathcomp" || lasterr=$?
 137
 138           if test ! -z "$lasterr"; then
 139             errstatus=$lasterr
 140           fi
 141         fi
 142       fi
 143     fi
 144
 145     pathcomp=$pathcomp/
 146   done
 147 done
 148
 149 exit $errstatus
 150
 151 # Local Variables:
 152 # mode: shell-script
 153 # sh-indentation: 2
 154 # eval: (add-hook 'write-file-hooks 'time-stamp)
 155 # time-stamp-start: "scriptversion="
 156 # time-stamp-format: "%:y-%02m-%02d.%02H"
 157 # time-stamp-end: "$"
 158 # End: