contrib/stg-gitk

   1 #!/bin/sh
   2 set -e
   3
   4 # stg-gitk - helper script to graphically display an StGIT stack
   5
   6 # Displays given branches and stacks, without getting disturbed by
   7 # patch logs.
   8
   9 # LIMITATIONS:
  10 # - no support for spaces in branch names
  11
  12 # Copyright (c) 2007 Yann Dirson <ydirson@altern.org>
  13 # Subject to the GNU GPL, version 2.
  14
  15 usage()
  16 {
  17     echo "Usage: $(basename $0) [<branches>|--all]"
  18     exit 1
  19 }
  20
  21 allbranches=0
  22 refsonly=0
  23 while [ "$#" -gt 0 ]; do
  24     case "$1" in
  25         --refs) refsonly=1 ;;
  26         --all) allbranches=1 ;;
  27         --*) usage ;;
  28         *) break ;;
  29     esac
  30     shift
  31 done
  32
  33 if [ $allbranches = 1 ] && [ "$#" -gt 0 ]; then
  34     usage
  35 fi
  36
  37 GIT_DIR=$(git-rev-parse --git-dir)
  38 GIT_DIR_SPKIPLEN=$(printf "$GIT_DIR/X" | wc -c)
  39
  40 refdirs=''
  41 if [ $allbranches = 1 ]; then
  42     refdirs="$GIT_DIR/refs"
  43 else
  44     if [ "$#" = 0 ]; then
  45         set -- "$(stg branch)"
  46     fi
  47
  48     for b in "$@"; do
  49         if [ -e "$GIT_DIR/refs/patches/$b" ]; then
  50             # StGIT branch: show all patches
  51             refdirs="$refdirs $GIT_DIR/refs/heads/$b $GIT_DIR/refs/patches/$b"
  52         elif [ -e "$GIT_DIR/refs/heads/$b" ]; then
  53             # other GIT branch
  54             refdirs="$refdirs $GIT_DIR/refs/heads/$b"
  55         elif [ $(git-for-each-ref "refs/$b" | wc -l) != 0 ]; then
  56             # other ref
  57             refdirs="$refdirs $(git-for-each-ref --format="$GIT_DIR/%(refname)" "refs/$b")"
  58         else
  59             echo >&2 "ERROR: no such ref '$b'"
  60             usage
  61         fi
  62     done
  63 fi
  64
  65 printrefs()
  66 {
  67     find $refdirs -type f -not -name '*.log' | cut -c${GIT_DIR_SPKIPLEN}-
  68 }
  69
  70 if [ $refsonly = 1 ]; then
  71     printrefs
  72 elif grep -q -- --argscmd $(which gitk); then
  73     # This gitk supports --argscmd.
  74     # Let's use a hack to pass --all, which was consumed during command-line parsing
  75     if [ $allbranches = 1 ]; then
  76         gitk --argscmd="$0 --refs --all"
  77     else
  78         gitk --argscmd="$0 --refs $*"
  79     fi
  80 else
  81     # This gitk does not support --argscmd, just compute refs onces
  82     gitk $(printrefs)
  83 fi