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 # - asking gitk to "update" won't detect any new ref
  11 # - no support for spaces in branch names
  12
  13 # Copyright (c) 2007 Yann Dirson <ydirson@altern.org>
  14 # Subject to the GNU GPL, version 2.
  15
  16 usage()
  17 {
  18     echo "Usage: $(basename $0) [<branches>|--all]"
  19     exit 1
  20 }
  21
  22 allbranches=0
  23 case "$1" in
  24 --all) allbranches=1; shift ;;
  25 --*) usage ;;
  26 *) break ;;
  27 esac
  28
  29 if [ $allbranches = 1 ] && [ "$#" -gt 0 ]; then
  30     usage
  31 fi
  32
  33 GIT_DIR=$(git-rev-parse --git-dir)
  34 GIT_DIR_SPKIPLEN=$(printf "$GIT_DIR/X" | wc -c)
  35
  36 refdirs=''
  37 if [ $allbranches = 1 ]; then
  38     refdirs="$GIT_DIR/refs"
  39 else
  40     if [ "$#" = 0 ]; then
  41         set -- "$(stg branch)"
  42     fi
  43
  44     for b in "$@"; do
  45         if [ -e "$GIT_DIR/refs/patches/$b" ]; then
  46             # StGIT branch: show all patches
  47             refdirs="$refdirs $GIT_DIR/refs/heads/$b $GIT_DIR/refs/patches/$b"
  48         elif [ -e "$GIT_DIR/refs/heads/$b" ]; then
  49             # other GIT branch
  50             refdirs="$refdirs $GIT_DIR/refs/heads/$b"
  51         elif [ $(git-for-each-ref "refs/$b" | wc -l) != 0 ]; then
  52             # other ref
  53             refdirs="$refdirs $(git-for-each-ref --format="$GIT_DIR/%(refname)" "refs/$b")"
  54         else
  55             echo >&2 "ERROR: no such ref '$b'"
  56             usage
  57         fi
  58     done
  59 fi
  60
  61 gitk $(find $refdirs -type f -not -name '*.log' | cut -c${GIT_DIR_SPKIPLEN}- )