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 # Newer dd does
  46 #   (1.0 kB, 1.0 kiB) copied, ...
  47 function filter_dd
  48 {
  49         sed -e 's:^\([0-9]*\) bytes (\([0-9]*\.[0-9]* .B\).*) copied.*$:\1 bytes (\2) copied:'
  50 }
  51
  52 # usage: cmd <cmd>..
  53 function cmd
  54 {
  55         printf "%% %s\n" "$*"
  56         if ! (
  57                 exec 3>&1
  58                 rv=`(("$@" 2>&1; echo $? >&4) | replace_path >&3 ) 4>&1`
  59                 exit $rv
  60         ) ; then
  61                 echo "% FAIL: The above command should succeed but failed."
  62                 exit 1
  63         fi
  64 }
  65
  66 # usage: shouldfail <cmd>..
  67 function shouldfail
  68 {
  69         printf "%% %s\n" "$*"
  70         if (
  71                 exec 3>&1
  72                 rv=`(("$@" 2>&1; echo $? >&4) | replace_path >&3 ) 4>&1`
  73                 exit $rv
  74         ) ; then
  75                 echo "% FAIL: The above command should fail but succeeded."
  76                 exit 1
  77         fi
  78 }
  79
  80 # usage: list_files
  81 function list_files
  82 {
  83         (
  84                 find .git/refs/patches -type f -exec dump_ref {} \; 2> /dev/null || true
  85                 find .git/patches -exec dump_reg {} \;
  86         ) | sort
  87 }
  88
  89 function setup_git_repo
  90 {
  91         # set up the repo so we have something interesting to run guilt on
  92         echo "abc" > def
  93         git add def
  94         git commit -s -m "initial" 2> /dev/null > /dev/null
  95
  96         # The HEAD should be a specific hash.  Abort the test if it is not.
  97         # If we kept on executing, the test would just fail in mysterious
  98         # ways.
  99         rev=`git rev-parse HEAD`
 100         [ "d4850419ccc1146c7169f500725ce504b9774ed0" != "$rev" ] && \
 101                 die "setup_git_repo HEAD check failed (HEAD: $rev)"
 102
 103         # Explicitly set config that the tests rely on.
 104         git config log.date default
 105         git config log.decorate no
 106         git config guilt.diffstat false
 107         git config guilt.reusebranch false
 108 }
 109
 110 function setup_guilt_repo
 111 {
 112         mkdir -p .git/patches/master
 113
 114         # patch to modify a file
 115         cp "$REG_DIR/data/modify.patch" .git/patches/master/modify
 116
 117         # patch to add a new file
 118         cp "$REG_DIR/data/add.patch" .git/patches/master/add
 119
 120         # patch to remove an existing file
 121         cp "$REG_DIR/data/remove.patch" .git/patches/master/remove
 122
 123         # patch to change a mode
 124         cp "$REG_DIR/data/mode.patch" .git/patches/master/mode
 125
 126         # the series file of all the things
 127         cp "$REG_DIR/data/series" .git/patches/master/series
 128
 129         # the status file
 130         touch .git/patches/master/status
 131
 132         # the status file
 133         touch .git/patches/master/status
 134
 135         touch -a -m -t "$TOUCH_DATE" .git/patches/master/modify
 136         touch -a -m -t "$TOUCH_DATE" .git/patches/master/add
 137         touch -a -m -t "$TOUCH_DATE" .git/patches/master/remove
 138         touch -a -m -t "$TOUCH_DATE" .git/patches/master/mode
 139 }
 140
 141 function reset_git_repo
 142 {
 143         git checkout master
 144
 145         git reset --hard d4850419ccc1146c7169f500725ce504b9774ed0
 146
 147         rm -rf .git/patches/
 148 }
 149
 150 function setup_repo
 151 {
 152         setup_git_repo
 153         setup_guilt_repo
 154 }