git-recurse

   1 #!/bin/sh
   2
   3 SEPARATOR=@@
   4
   5 # TODO this logic should probably rather be in rev-parse itself
   6 processarg()
   7 {
   8         prefix=
   9         suffix=
  10         case "$1" in
  11                 *..*)
  12                         first=${1%%..*}
  13                         rest=${1#*..}
  14                         first=`processarg "$first"`
  15                         rest=`processarg "$rest"`
  16                         echo "$first..$rest"
  17                         ;;
  18                 *@\{*)
  19                         first=${1%%@\{*}
  20                         rest=${1#*@\{}
  21                         first=`processarg "$first"`
  22                         echo "$first@{$rest"
  23                         ;;
  24                 *^*)
  25                         first=${1%%^*}
  26                         rest=${1#*^}
  27                         first=`processarg "$first"`
  28                         echo "$first^$rest"
  29                         ;;
  30                 *~*)
  31                         first=${1%%~*}
  32                         rest=${1#*~}
  33                         first=`processarg "$first"`
  34                         echo "$first~$rest"
  35                         ;;
  36                 *:*)
  37                         first=${1%%:*}
  38                         rest=${1#*:}
  39                         first=`processarg "$first"`
  40                         echo "$first:$rest"
  41                         ;;
  42                 ^*)
  43                         first=${1#^}
  44                         first=`processarg "$first"`
  45                         echo "^$first"
  46                         ;;
  47                 *$SEPARATOR*)
  48                         first=${1%%$SEPARATOR*}
  49                         rest=${1#*$SEPARATOR}
  50                         if git rev-parse "$first" >/dev/null 2>&1; then
  51                                 echo "$first"
  52                         else
  53                                 processarg "$rest"
  54                         fi
  55                         ;;
  56                 *)
  57                         echo "$1"
  58                         ;;
  59         esac
  60 }
  61 processargs()
  62 {
  63         first=true
  64         for X in "$@"; do
  65                 if $first; then
  66                         first=false
  67                         # clear arg list
  68                         set --
  69                 fi
  70                 set -- "$@" "`processarg "$X"`"
  71         done
  72         "$@"
  73 }
  74
  75 # recurse through all sub-repos
  76 find . -type d -name \*.git | while IFS= read -r GITDIR; do
  77         processargs git --git-dir="$GITDIR" --work-tree="${GITDIR%/.git}" "$@"
  78 done