git-merge-resolve.sh

   1 #!/bin/sh
   2 #
   3 # Copyright (c) 2005 Linus Torvalds
   4 # Copyright (c) 2005 Junio C Hamano
   5 #
   6 # Resolve two trees, using enhanced multi-base read-tree.
   7
   8 # The first parameters up to -- are merge bases; the rest are heads.
   9 bases= head= remotes= sep_seen=
  10 for arg
  11 do
  12         case ",$sep_seen,$head,$arg," in
  13         *,--,)
  14                 sep_seen=yes
  15                 ;;
  16         ,yes,,*)
  17                 head=$arg
  18                 ;;
  19         ,yes,*)
  20                 remotes="$remotes$arg "
  21                 ;;
  22         *)
  23                 bases="$bases$arg "
  24                 ;;
  25         esac
  26 done
  27
  28 # Give up if we are given two or more remotes -- not handling octopus.
  29 case "$remotes" in
  30 ?*' '?*)
  31         exit 2 ;;
  32 esac
  33
  34 # Give up if this is a baseless merge.
  35 if test '' = "$bases"
  36 then
  37         exit 2
  38 fi
  39
  40 git update-index -q --refresh
  41 git read-tree -u -m --aggressive $bases $head $remotes || exit 2
  42 echo "Trying simple merge."
  43 if result_tree=$(git write-tree 2>/dev/null)
  44 then
  45         exit 0
  46 else
  47         echo "Simple merge failed, trying Automatic merge."
  48         if git merge-index -o git-merge-one-file -a
  49         then
  50                 exit 0
  51         else
  52                 exit 1
  53         fi
  54 fi