#!/bin/sh
#
-# use "$1" or something in a real script, this
-# just hard-codes it.
-#
-merge_repo=$1
-merge_name=${2:-HEAD}
-
-rm -f .git/MERGE_HEAD .git/ORIG_HEAD
-cp .git/HEAD .git/ORIG_HEAD
+. git-sh-setup-script || die "Not a git archive"
-echo "Getting object database"
-rsync -avz --ignore-existing $merge_repo/objects/. ${SHA1_FILE_DIRECTORY:-.git/objects}/.
-
-echo "Getting remote $merge_name"
-rsync -L $merge_repo/$merge_name .git/MERGE_HEAD || exit 1
+merge_repo=$1
-head=$(cat .git/HEAD)
-merge_head=$(cat .git/MERGE_HEAD)
-common=$(git-merge-base $head $merge_head)
-if [ -z "$common" ]; then
- echo "Unable to find common commit between" $merge_head $head
- exit 1
+merge_name=$(echo "$1" | sed 's:\.git/*$::')
+merge_head=HEAD
+type=head
+if [ "$2" = "tag" ]; then
+ type=tag
+ shift
+fi
+if [ "$2" ]
+then
+ merge_name="$type '$2' of $merge_name"
+ merge_head="refs/${type}s/$2"
fi
-# Get the trees associated with those commits
-common_tree=$(git-cat-file commit $common | sed 's/tree //;q')
-head_tree=$(git-cat-file commit $head | sed 's/tree //;q')
-merge_tree=$(git-cat-file commit $merge_head | sed 's/tree //;q')
+git-fetch-script "$merge_repo" "$merge_head" || exit 1
-if [ "$common" == "$merge_head" ]; then
- echo "Already up-to-date. Yeeah!"
- exit 0
-fi
-if [ "$common" == "$head" ]; then
- echo "Updating from $head to $merge_head."
- echo "Destroying all noncommitted data!"
- echo "Kill me within 3 seconds.."
- sleep 3
- git-read-tree -m $merge_tree && git-checkout-cache -f -a && git-update-cache --refresh
- echo $merge_head > .git/HEAD
- git-diff-tree -p ORIG_HEAD HEAD | diffstat -p1
- exit 0
-fi
-echo "Trying to merge $merge_head into $head"
-git-read-tree -m $common_tree $head_tree $merge_tree
-merge_msg="Merge of $merge_repo"
-result_tree=$(git-write-tree 2> /dev/null)
-if [ $? -ne 0 ]; then
- echo "Simple merge failed, trying Automatic merge"
- git-merge-cache git-merge-one-file-script -a
- merge_msg="Automatic merge of $merge_repo"
- result_tree=$(git-write-tree) || exit 1
-fi
-result_commit=$(echo "$merge_msg" | git-commit-tree $result_tree -p $head -p $merge_head)
-echo "Committed merge $result_commit"
-echo $result_commit > .git/HEAD
-git-checkout-cache -f -a && git-update-cache --refresh
-git-diff-tree -p ORIG_HEAD HEAD | diffstat -p1
+git-resolve-script \
+ "$(cat "$GIT_DIR"/HEAD)" \
+ "$(cat "$GIT_DIR"/FETCH_HEAD)" \
+ "$merge_name"