git-rebase--am.shon commit show-ref: make --head always show the HEAD ref (3f3d0ce)
   1#!/bin/sh
   2#
   3# Copyright (c) 2010 Junio C Hamano.
   4#
   5
   6case "$action" in
   7continue)
   8        git am --resolved --resolvemsg="$resolvemsg" &&
   9        move_to_original_branch
  10        exit
  11        ;;
  12skip)
  13        git am --skip --resolvemsg="$resolvemsg" &&
  14        move_to_original_branch
  15        exit
  16        ;;
  17esac
  18
  19test -n "$rebase_root" && root_flag=--root
  20
  21ret=0
  22if test -n "$keep_empty"
  23then
  24        # we have to do this the hard way.  git format-patch completely squashes
  25        # empty commits and even if it didn't the format doesn't really lend
  26        # itself well to recording empty patches.  fortunately, cherry-pick
  27        # makes this easy
  28        git cherry-pick --allow-empty "$revisions"
  29        ret=$?
  30else
  31        rm -f "$GIT_DIR/rebased-patches"
  32
  33        git format-patch -k --stdout --full-index --ignore-if-in-upstream \
  34                --src-prefix=a/ --dst-prefix=b/ \
  35                --no-renames $root_flag "$revisions" >"$GIT_DIR/rebased-patches"
  36        ret=$?
  37
  38        if test 0 != $ret
  39        then
  40                rm -f "$GIT_DIR/rebased-patches"
  41                case "$head_name" in
  42                refs/heads/*)
  43                        git checkout -q "$head_name"
  44                        ;;
  45                *)
  46                        git checkout -q "$orig_head"
  47                        ;;
  48                esac
  49
  50                cat >&2 <<-EOF
  51
  52                git encountered an error while preparing the patches to replay
  53                these revisions:
  54
  55                    $revisions
  56
  57                As a result, git cannot rebase them.
  58                EOF
  59                exit $?
  60        fi
  61
  62        git am $git_am_opt --rebasing --resolvemsg="$resolvemsg" <"$GIT_DIR/rebased-patches"
  63        ret=$?
  64
  65        rm -f "$GIT_DIR/rebased-patches"
  66fi
  67
  68if test 0 != $ret
  69then
  70        test -d "$state_dir" && write_basic_state
  71        exit $ret
  72fi
  73
  74move_to_original_branch