mirror of
https://github.com/git/git.git
synced 2024-10-30 13:57:54 +01:00
ae2b0f1518
Now all the users of this script detect its exit status and die, complaining that it is outside git repository. So move the code that dies from all callers to git-sh-setup script. Signed-off-by: Junio C Hamano <junkio@cox.net>
104 lines
2.3 KiB
Bash
Executable file
104 lines
2.3 KiB
Bash
Executable file
#!/bin/sh
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#
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# Copyright (c) 2005 Linus Torvalds
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#
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# Resolve two trees.
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#
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. git-sh-setup
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usage () {
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die "git-resolve <head> <remote> <merge-message>"
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}
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dropheads() {
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rm -f -- "$GIT_DIR/MERGE_HEAD" \
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"$GIT_DIR/LAST_MERGE" || exit 1
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}
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head=$(git-rev-parse --verify "$1"^0) &&
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merge=$(git-rev-parse --verify "$2"^0) &&
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merge_msg="$3" || usage
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#
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# The remote name is just used for the message,
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# but we do want it.
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#
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if [ -z "$head" -o -z "$merge" -o -z "$merge_msg" ]; then
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usage
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fi
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dropheads
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echo $head > "$GIT_DIR"/ORIG_HEAD
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echo $merge > "$GIT_DIR"/LAST_MERGE
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common=$(git-merge-base $head $merge)
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if [ -z "$common" ]; then
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die "Unable to find common commit between" $merge $head
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fi
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case "$common" in
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"$merge")
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echo "Already up-to-date. Yeeah!"
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dropheads
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exit 0
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;;
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"$head")
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echo "Updating from $head to $merge."
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git-read-tree -u -m $head $merge || exit 1
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git-update-ref HEAD "$merge" "$head"
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git-diff-tree -p $head $merge | git-apply --stat
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dropheads
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exit 0
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;;
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esac
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# Find an optimum merge base if there are more than one candidates.
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LF='
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'
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common=$(git-merge-base -a $head $merge)
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case "$common" in
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?*"$LF"?*)
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echo "Trying to find the optimum merge base."
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G=.tmp-index$$
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best=
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best_cnt=-1
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for c in $common
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do
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rm -f $G
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GIT_INDEX_FILE=$G git-read-tree -m $c $head $merge \
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2>/dev/null || continue
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# Count the paths that are unmerged.
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cnt=`GIT_INDEX_FILE=$G git-ls-files --unmerged | wc -l`
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if test $best_cnt -le 0 -o $cnt -le $best_cnt
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then
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best=$c
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best_cnt=$cnt
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if test "$best_cnt" -eq 0
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then
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# Cannot do any better than all trivial merge.
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break
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fi
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fi
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done
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rm -f $G
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common="$best"
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esac
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echo "Trying to merge $merge into $head using $common."
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git-update-index --refresh 2>/dev/null
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git-read-tree -u -m $common $head $merge || exit 1
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result_tree=$(git-write-tree 2> /dev/null)
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if [ $? -ne 0 ]; then
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echo "Simple merge failed, trying Automatic merge"
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git-merge-index -o git-merge-one-file -a
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if [ $? -ne 0 ]; then
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echo $merge > "$GIT_DIR"/MERGE_HEAD
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die "Automatic merge failed, fix up by hand"
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fi
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result_tree=$(git-write-tree) || exit 1
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fi
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result_commit=$(echo "$merge_msg" | git-commit-tree $result_tree -p $head -p $merge)
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echo "Committed merge $result_commit"
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git-update-ref HEAD "$result_commit" "$head"
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git-diff-tree -p $head $result_commit | git-apply --stat
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dropheads
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