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| author | Junio C Hamano <junkio@cox.net> | 2005-09-07 17:26:23 -0700 |
|---|---|---|
| committer | Junio C Hamano <junkio@cox.net> | 2005-09-07 17:45:20 -0700 |
| commit | 215a7ad1ef790467a4cd3f0dcffbd6e5f04c38f7 (patch) | |
| tree | 6bc7aa4f652d0ef49108d9e30a7ea7fbf8e44639 /git-resolve.sh | |
| parent | 99977bd5fdeabbd0608a70e9411c243007ec4ea2 (diff) | |
| download | git-215a7ad1ef790467a4cd3f0dcffbd6e5f04c38f7.tar.gz git-215a7ad1ef790467a4cd3f0dcffbd6e5f04c38f7.tar.xz | |
Big tool rename.
As promised, this is the "big tool rename" patch. The primary differences
since 0.99.6 are:
(1) git-*-script are no more. The commands installed do not
have any such suffix so users do not have to remember if
something is implemented as a shell script or not.
(2) Many command names with 'cache' in them are renamed with
'index' if that is what they mean.
There are backward compatibility symblic links so that you and
Porcelains can keep using the old names, but the backward
compatibility support is expected to be removed in the near
future.
Signed-off-by: Junio C Hamano <junkio@cox.net>
Diffstat (limited to 'git-resolve.sh')
| -rwxr-xr-x | git-resolve.sh | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/git-resolve.sh b/git-resolve.sh new file mode 100755 index 000000000..1f559d8cb --- /dev/null +++ b/git-resolve.sh @@ -0,0 +1,104 @@ +#!/bin/sh +# +# Copyright (c) 2005 Linus Torvalds +# +# Resolve two trees. +# +. git-sh-setup || die "Not a git archive" + +usage () { + die "git-resolve <head> <remote> <merge-message>" +} + +dropheads() { + rm -f -- "$GIT_DIR/MERGE_HEAD" \ + "$GIT_DIR/LAST_MERGE" || exit 1 +} + +head=$(git-rev-parse --verify "$1"^0) && +merge=$(git-rev-parse --verify "$2"^0) && +merge_msg="$3" || usage + +# +# The remote name is just used for the message, +# but we do want it. +# +if [ -z "$head" -o -z "$merge" -o -z "$merge_msg" ]; then + usage +fi + +dropheads +echo $head > "$GIT_DIR"/ORIG_HEAD +echo $merge > "$GIT_DIR"/LAST_MERGE + +common=$(git-merge-base $head $merge) +if [ -z "$common" ]; then + die "Unable to find common commit between" $merge $head +fi + +case "$common" in +"$merge") + echo "Already up-to-date. Yeeah!" + dropheads + exit 0 + ;; +"$head") + echo "Updating from $head to $merge." + git-read-tree -u -m $head $merge || exit 1 + echo $merge > "$GIT_DIR"/HEAD + git-diff-tree -p $head $merge | git-apply --stat + dropheads + exit 0 + ;; +esac + +# Find an optimum merge base if there are more than one candidates. +LF=' +' +common=$(git-merge-base -a $head $merge) +case "$common" in +?*"$LF"?*) + echo "Trying to find the optimum merge base." + G=.tmp-index$$ + best= + best_cnt=-1 + for c in $common + do + rm -f $G + GIT_INDEX_FILE=$G git-read-tree -m $c $head $merge \ + 2>/dev/null || continue + # Count the paths that are unmerged. + cnt=`GIT_INDEX_FILE=$G git-ls-files --unmerged | wc -l` + if test $best_cnt -le 0 -o $cnt -le $best_cnt + then + best=$c + best_cnt=$cnt + if test "$best_cnt" -eq 0 + then + # Cannot do any better than all trivial merge. + break + fi + fi + done + rm -f $G + common="$best" +esac + +echo "Trying to merge $merge into $head using $common." +git-update-index --refresh 2>/dev/null +git-read-tree -u -m $common $head $merge || exit 1 +result_tree=$(git-write-tree 2> /dev/null) +if [ $? -ne 0 ]; then + echo "Simple merge failed, trying Automatic merge" + git-merge-index -o git-merge-one-file -a + if [ $? -ne 0 ]; then + echo $merge > "$GIT_DIR"/MERGE_HEAD + die "Automatic merge failed, fix up by hand" + fi + result_tree=$(git-write-tree) || exit 1 +fi +result_commit=$(echo "$merge_msg" | git-commit-tree $result_tree -p $head -p $merge) +echo "Committed merge $result_commit" +echo $result_commit > "$GIT_DIR"/HEAD +git-diff-tree -p $head $result_commit | git-apply --stat +dropheads |