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git/git-pull-script

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Add the simple scripts I used to do a merge with content conflicts. They sure as hell aren't perfect, but they allow you to do: ./git-pull-script {other-git-directory} to do the initial merge, and if that had content clashes, you do merge-cache ./git-merge-one-file-script -a which tries to auto-merge. When/if the auto-merge fails, it will leave the last file in your working directory, and you can edit it and then when you're happy you can do "update-cache filename" on it. Re-do the merge-cache thing until there are no files left to be merged, and now you can write the tree and commit: write-tree commit-tree .... -p $(cat .git/HEAD) -p $(cat .git/MERGE_HEAD) and you're done.
20 years ago
#!/bin/sh
#
# use "$1" or something in a real script, this
# just hard-codes it.
#
merge_repo=$1
git-pull-script: do automatic merges When the trivial "read-tree" merge fails, fall back on the (equally trivial) automatic merge script instead of forcing the user to do it by hand. When _that_ fails, you get to do a manual merge.
20 years ago
rm -f .git/MERGE_HEAD .git/ORIG_HEAD
cp .git/HEAD .git/ORIG_HEAD
Make git-pull-script do the right thing for symlinked HEAD's. Also exit gracefully if the HEAD pull failed, rather than use a possibly stale MERGE_HEAD.
20 years ago
Add the simple scripts I used to do a merge with content conflicts. They sure as hell aren't perfect, but they allow you to do: ./git-pull-script {other-git-directory} to do the initial merge, and if that had content clashes, you do merge-cache ./git-merge-one-file-script -a which tries to auto-merge. When/if the auto-merge fails, it will leave the last file in your working directory, and you can edit it and then when you're happy you can do "update-cache filename" on it. Re-do the merge-cache thing until there are no files left to be merged, and now you can write the tree and commit: write-tree commit-tree .... -p $(cat .git/HEAD) -p $(cat .git/MERGE_HEAD) and you're done.
20 years ago
echo "Getting object database"
[PATCH] GIT: Honour SHA1_FILE_DIRECTORY env var in git-pull-script If you set SHA1_FILE_DIRECTORY to something else than .git/objects git-pull-script will store the fetched files in a location the rest of the tools does not expect. git-prune-script also ignores this setting, but I think this is good, because pruning a shared tree to fit a single project means throwing away a lot of useful data. :-) Signed-off-by: Rene Scharfe <rene.scharfe@lsrfire.ath.cx> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
20 years ago
rsync -avz --ignore-existing $merge_repo/objects/. ${SHA1_FILE_DIRECTORY:-.git/objects}/.
Add the simple scripts I used to do a merge with content conflicts. They sure as hell aren't perfect, but they allow you to do: ./git-pull-script {other-git-directory} to do the initial merge, and if that had content clashes, you do merge-cache ./git-merge-one-file-script -a which tries to auto-merge. When/if the auto-merge fails, it will leave the last file in your working directory, and you can edit it and then when you're happy you can do "update-cache filename" on it. Re-do the merge-cache thing until there are no files left to be merged, and now you can write the tree and commit: write-tree commit-tree .... -p $(cat .git/HEAD) -p $(cat .git/MERGE_HEAD) and you're done.
20 years ago
echo "Getting remote head"
Make git-pull-script do the right thing for symlinked HEAD's. Also exit gracefully if the HEAD pull failed, rather than use a possibly stale MERGE_HEAD.
20 years ago
rsync -L $merge_repo/HEAD .git/MERGE_HEAD || exit 1
Add the simple scripts I used to do a merge with content conflicts. They sure as hell aren't perfect, but they allow you to do: ./git-pull-script {other-git-directory} to do the initial merge, and if that had content clashes, you do merge-cache ./git-merge-one-file-script -a which tries to auto-merge. When/if the auto-merge fails, it will leave the last file in your working directory, and you can edit it and then when you're happy you can do "update-cache filename" on it. Re-do the merge-cache thing until there are no files left to be merged, and now you can write the tree and commit: write-tree commit-tree .... -p $(cat .git/HEAD) -p $(cat .git/MERGE_HEAD) and you're done.
20 years ago
head=$(cat .git/HEAD)
merge_head=$(cat .git/MERGE_HEAD)
common=$(merge-base $head $merge_head)
if [ -z "$common" ]; then
echo "Unable to find common commit between" $merge_head $head
exit 1
fi
# Get the trees associated with those commits
common_tree=$(cat-file commit $common | sed 's/tree //;q')
head_tree=$(cat-file commit $head | sed 's/tree //;q')
merge_tree=$(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
Update "git-pull-script" to use "read-tree -m" for reading a single tree too. That should speed up a trivial merge noticeably. Also, don't bother reading back the tree we just wrote when we committed a real merge. It had better be the same one we still have..
20 years ago
read-tree -m $merge_tree && checkout-cache -f -a && update-cache --refresh
Add the simple scripts I used to do a merge with content conflicts. They sure as hell aren't perfect, but they allow you to do: ./git-pull-script {other-git-directory} to do the initial merge, and if that had content clashes, you do merge-cache ./git-merge-one-file-script -a which tries to auto-merge. When/if the auto-merge fails, it will leave the last file in your working directory, and you can edit it and then when you're happy you can do "update-cache filename" on it. Re-do the merge-cache thing until there are no files left to be merged, and now you can write the tree and commit: write-tree commit-tree .... -p $(cat .git/HEAD) -p $(cat .git/MERGE_HEAD) and you're done.
20 years ago
echo $merge_head > .git/HEAD
exit 0
fi
echo "Trying to merge $merge_head into $head"
read-tree -m $common_tree $head_tree $merge_tree
git-pull-script: do automatic merges When the trivial "read-tree" merge fails, fall back on the (equally trivial) automatic merge script instead of forcing the user to do it by hand. When _that_ fails, you get to do a manual merge.
20 years ago
merge_msg="Merge of $merge_repo"
result_tree=$(write-tree 2> /dev/null)
if [ $? -ne 0 ]; then
echo "Simple merge failed, trying Automatic merge"
merge-cache git-merge-one-file-script -a
merge_msg="Automatic merge of $merge_repo"
result_tree=$(write-tree) || exit 1
fi
result_commit=$(echo "$merge_msg" | commit-tree $result_tree -p $head -p $merge_head)
Add the simple scripts I used to do a merge with content conflicts. They sure as hell aren't perfect, but they allow you to do: ./git-pull-script {other-git-directory} to do the initial merge, and if that had content clashes, you do merge-cache ./git-merge-one-file-script -a which tries to auto-merge. When/if the auto-merge fails, it will leave the last file in your working directory, and you can edit it and then when you're happy you can do "update-cache filename" on it. Re-do the merge-cache thing until there are no files left to be merged, and now you can write the tree and commit: write-tree commit-tree .... -p $(cat .git/HEAD) -p $(cat .git/MERGE_HEAD) and you're done.
20 years ago
echo "Committed merge $result_commit"
echo $result_commit > .git/HEAD
Update "git-pull-script" to use "read-tree -m" for reading a single tree too. That should speed up a trivial merge noticeably. Also, don't bother reading back the tree we just wrote when we committed a real merge. It had better be the same one we still have..
20 years ago
checkout-cache -f -a && update-cache --refresh