tests/gitrepo-edit

   1 #!/bin/sh
   2 set -e
   3 fail () { echo >&2 "$0: $*"; exit 1; }
   4
   5 case "$#.$1" in
   6 2.edit|2.done)  mode="$1"; arg="$2" ;;
   7 2.-*)           fail "no options understood"                    ;;
   8 *)              fail "usage: gitrepo-edit edit|done DIRECTORY"  ;;
   9 esac
  10
  11 case "$arg" in
  12 *.git.tar)      base=${arg%.tar}                        ;;
  13 *.git.edit)     base=${arg%.edit}                       ;;
  14 *.git)          base=${arg}                             ;;
  15 *)              fail "arg must end in .git[.tar]"       ;;
  16 esac
  17
  18 tryat_pre () {
  19         local b="$1"
  20         rm -rf "$b.tmp"
  21         if test -f "$b.tar" && test -f "$b.edit"; then
  22                 echo "$b.edit exists, deleting possibly-obsolete $b.tar"
  23                 rm "$b.tar"
  24         fi
  25 }
  26
  27 tryat_edit () {
  28         local b="$1"
  29         local i="$2"
  30         if test -d "$b.edit"; then
  31                 echo "$b.edit already exists"
  32                 exit 0
  33         fi
  34         if test -f "$b.tar"; then
  35                 mkdir "$b.tmp"
  36                 (set -e; cd "$b.tmp"; tar xf "$b.tar")
  37                 mv "$b.tmp/$i" "$b.edit"
  38                 rm "$b.tar"
  39                 rm -rf "$b.tmp"
  40                 echo "$b.edit ready"
  41                 exit 0
  42         fi
  43 }
  44
  45 tryat_done () {
  46         local b="$1"
  47         local i="$2"
  48         if test -d "$b.edit"; then
  49                 mkdir "$b.tmp"
  50                 cp -al "$b.edit" "$b.tmp/$i"
  51                 (set -e; cd "$b.tmp"; tar cf "$b.tmp/tar $i")
  52                 mv "$b.tmp/tar" "$b.tar"
  53                 rm -rf "$b.tmp"
  54                 mv "$b.edit" "$b.tmp"
  55                 rm -rf "$b.tmp"
  56                 echo "$b.tar regenerated"
  57                 exit 0
  58         fi
  59         if test -f "$b.tar"; then
  60                 echo "$b.tar already exists and $b.edit doesn't"
  61                 exit 0
  62         fi
  63 }
  64
  65 tryat () {
  66         local b="$1"
  67         local i="${b##*/}"
  68         case "$i" in *_*.git) i="${i%_*.git}.git";; esac
  69         if ! test -f "$b.tar" && ! test -f "$b.edit"; then
  70                 return
  71         fi
  72         tryat_pre "$b" "$i"
  73         tryat_$mode "$b" "$i"
  74         fail "unexpected situation in $b.*"
  75 }
  76
  77 case "$arg" in
  78 /*)             tryat "$base"
  79                 ;;
  80 *)
  81                 pwd=`pwd`
  82                 tryat "$pwd/$base"
  83                 tryat "$pwd/git-srcs/$base"
  84                 tryat "$pwd/tests/git-srcs/$base"
  85                 fail "could not find $base..."
  86                 ;;
  87 esac