regression/scaffold

   1 if [ -z "$REG_DIR" ]; then
   2         echo "ERROR: You cannot run tests by hand" >&2
   3         exit 2
   4 fi
   5
   6 set -e
   7
   8 export PATH=$PWD/..:$PATH
   9
  10 export TZ="UTC"
  11 export TOUCH_DATE="200701010000.00"
  12 export GIT_AUTHOR_DATE="2007-01-01 00:00:00 UTC"
  13 export GIT_COMMITTER_DATE="2007-01-01 00:00:00 UTC"
  14 export GIT_AUTHOR_NAME="Author Name"
  15 export GIT_AUTHOR_EMAIL="author@email"
  16 export GIT_COMMITTER_NAME="Commiter Name"
  17 export GIT_COMMITTER_EMAIL="commiter@email"
  18
  19 # usage: die <msg>
  20 function die
  21 {
  22         echo "Error: $@" >&2
  23         exit 1
  24 }
  25
  26 UNAME_S=`uname -s`
  27
  28 if [ -r "$REG_DIR/../os.$UNAME_S" ]; then
  29         . "$REG_DIR/../os.$UNAME_S"
  30 else
  31         die "Unsupported operating system: $UNAME_S"
  32 fi
  33
  34 function replace_path
  35 {
  36         sed -e "s,$PWD,PATH,g" \
  37             -e "s,$REG_DIR/\.\./,,g" \
  38             -e "s,^Usage: guilt-,Usage: guilt ,g" \
  39             -e "s,\.\.\. initial, initial,g" \
  40             -e "s,^Already on\( branch\)\? [\"']\([^\"']*\)[\"']$,Already on \"\2\",g" \
  41             -e "s,^Switched to branch [\"']\([^\"']*\)[\"'],Switched to branch \"\1\",g" \
  42             -e "\\,^Deleted branch guilt/.* (was .*).$,d"
  43 }
  44
  45 function filter_dd
  46 {
  47         sed -e 's:^\([0-9]*\) bytes (\([0-9]*\.[0-9]* .B\)) copied.*$:\1 bytes (\2) copied:'
  48 }
  49
  50 # usage: cmd <cmd>..
  51 function cmd
  52 {
  53         printf "%% %s\n" "$*"
  54         if ! (
  55                 exec 3>&1
  56                 rv=`(("$@" 2>&1; echo $? >&4) | replace_path >&3 ) 4>&1`
  57                 exit $rv
  58         ) ; then
  59                 echo "% FAIL: The above command should succeed but failed."
  60                 exit 1
  61         fi
  62 }
  63
  64 # usage: shouldfail <cmd>..
  65 function shouldfail
  66 {
  67         printf "%% %s\n" "$*"
  68         if (
  69                 exec 3>&1
  70                 rv=`(("$@" 2>&1; echo $? >&4) | replace_path >&3 ) 4>&1`
  71                 exit $rv
  72         ) ; then
  73                 echo "% FAIL: The above command should fail but succeeded."
  74                 exit 1
  75         fi
  76 }
  77
  78 # usage: list_files
  79 function list_files
  80 {
  81         (
  82                 find .git/refs/patches -type f -exec dump_ref {} \; 2> /dev/null || true
  83                 find .git/refs/patches -type d -exec dump_reg {} \; 2> /dev/null || true
  84                 find .git/patches -exec dump_reg {} \;
  85         ) | sort
  86 }
  87
  88 function setup_git_repo
  89 {
  90         # set up the repo so we have something interesting to run guilt on
  91         echo "abc" > def
  92         git add def
  93         git commit -s -m "initial" 2> /dev/null > /dev/null
  94
  95         # The HEAD should be a specific hash.  Abort the test if it is not.
  96         # If we kept on executing, the test would just fail in mysterious
  97         # ways.
  98         rev=`git rev-parse HEAD`
  99         [ "d4850419ccc1146c7169f500725ce504b9774ed0" != "$rev" ] && \
 100                 die "setup_git_repo HEAD check failed (HEAD: $rev)"
 101
 102         # Explicitly set config that the tests rely on.
 103         git config log.date default
 104         git config log.decorate no
 105         git config guilt.diffstat false
 106         git config guilt.reusebranch false
 107 }
 108
 109 function setup_guilt_repo
 110 {
 111         mkdir -p .git/patches/master
 112
 113         # patch to modify a file
 114         cp "$REG_DIR/data/modify.patch" .git/patches/master/modify
 115
 116         # patch to add a new file
 117         cp "$REG_DIR/data/add.patch" .git/patches/master/add
 118
 119         # patch to remove an existing file
 120         cp "$REG_DIR/data/remove.patch" .git/patches/master/remove
 121
 122         # patch to change a mode
 123         cp "$REG_DIR/data/mode.patch" .git/patches/master/mode
 124
 125         # the series file of all the things
 126         cp "$REG_DIR/data/series" .git/patches/master/series
 127
 128         # the status file
 129         touch .git/patches/master/status
 130
 131         # the status file
 132         touch .git/patches/master/status
 133
 134         touch -a -m -t "$TOUCH_DATE" .git/patches/master/modify
 135         touch -a -m -t "$TOUCH_DATE" .git/patches/master/add
 136         touch -a -m -t "$TOUCH_DATE" .git/patches/master/remove
 137         touch -a -m -t "$TOUCH_DATE" .git/patches/master/mode
 138 }
 139
 140 function reset_git_repo
 141 {
 142         git checkout master
 143
 144         git reset --hard d4850419ccc1146c7169f500725ce504b9774ed0
 145
 146         rm -rf .git/patches/
 147 }
 148
 149 function setup_repo
 150 {
 151         setup_git_repo
 152         setup_guilt_repo
 153 }