mirror of
https://github.com/git/git
synced 2024-10-30 04:01:21 +00:00
56 lines
1.7 KiB
Bash
Executable file
56 lines
1.7 KiB
Bash
Executable file
#!/bin/sh
|
|
#
|
|
# use "$1" or something in a real script, this
|
|
# just hard-codes it.
|
|
#
|
|
merge_repo=$1
|
|
|
|
rm -f .git/MERGE_HEAD .git/ORIG_HEAD
|
|
cp .git/HEAD .git/ORIG_HEAD
|
|
|
|
echo "Getting object database"
|
|
rsync -avz --ignore-existing $merge_repo/objects/. ${SHA1_FILE_DIRECTORY:-.git/objects}/.
|
|
|
|
echo "Getting remote head"
|
|
rsync -L $merge_repo/HEAD .git/MERGE_HEAD || exit 1
|
|
|
|
head=$(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 $head
|
|
exit 1
|
|
fi
|
|
|
|
# Get the trees associated with those commits
|
|
common_tree=$(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 $merge_head | sed 's/tree //;q')
|
|
|
|
if [ "$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
|
|
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
|