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authorLibravatar Junio C Hamano <junkio@cox.net>2007-02-13 16:44:27 -0800
committerLibravatar Junio C Hamano <junkio@cox.net>2007-02-13 16:45:40 -0800
commitf8f2aaa17297d6b21c84641edc2f6135575a003c (patch)
tree48158676defa9aa697d154c9490069a37f749fde /contrib/examples/git-resolve.sh
parentAdd link to v1.5.0 documentation. (diff)
parentRemove git-diff-stages. (diff)
downloadtgif-f8f2aaa17297d6b21c84641edc2f6135575a003c.tar.xz
Merge branch 'jc/deprecate'
As previously announced, diff-stages and resolve are now gone.
Diffstat (limited to 'contrib/examples/git-resolve.sh')
-rwxr-xr-xcontrib/examples/git-resolve.sh112
1 files changed, 112 insertions, 0 deletions
diff --git a/contrib/examples/git-resolve.sh b/contrib/examples/git-resolve.sh
new file mode 100755
index 0000000000..36b90e3849
--- /dev/null
+++ b/contrib/examples/git-resolve.sh
@@ -0,0 +1,112 @@
+#!/bin/sh
+#
+# Copyright (c) 2005 Linus Torvalds
+#
+# Resolve two trees.
+#
+
+echo 'WARNING: This command is DEPRECATED and will be removed very soon.' >&2
+echo 'WARNING: Please use git-merge or git-pull instead.' >&2
+sleep 2
+
+USAGE='<head> <remote> <merge-message>'
+. git-sh-setup
+
+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_name="$2" &&
+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 $(git-rev-parse --short $head)..$(git-rev-parse --short $merge)"
+ git-read-tree -u -m $head $merge || exit 1
+ git-update-ref -m "resolve $merge_name: Fast forward" \
+ HEAD "$merge" "$head"
+ git-diff-tree -p $head $merge | git-apply --stat
+ dropheads
+ exit 0
+ ;;
+esac
+
+# We are going to make a new commit.
+git var GIT_COMMITTER_IDENT >/dev/null || exit
+
+# Find an optimum merge base if there are more than one candidates.
+LF='
+'
+common=$(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"
+git-update-ref -m "resolve $merge_name: In-index merge" \
+ HEAD "$result_commit" "$head"
+git-diff-tree -p $head $result_commit | git-apply --stat
+dropheads