mirror of
https://github.com/oasislinux/oasis.git
synced 2025-12-25 12:14:00 +01:00
30 lines
661 B
Bash
30 lines
661 B
Bash
set -e
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if [ "$#" != 4 ] ; then
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echo 'usage: commit.sh repo branch tag out' >&2
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exit 2
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fi
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repo=$1
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branch=$2
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tag=$3
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out=$4
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if commit=$(git -C "$repo" show-ref -s --verify "refs/heads/$branch" 2>/dev/null) ; then
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oldtree=$(git -C "$repo" rev-parse --verify "$branch^{tree}")
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newtree=$(git -C "$repo" rev-parse --verify "$tag^{tree}")
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if [ "$oldtree" != "$newtree" ] ; then
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set -- -p "$branch"
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unset commit
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fi
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else
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set --
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unset commit
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fi
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if [ -z "${commit+set}" ] ; then
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commit=$(git -C "$repo" commit-tree -m "oasis $(git rev-parse --short=10 HEAD)" "$@" "$tag")
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git -C "$repo" update-ref "refs/heads/$branch" "$commit"
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fi
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echo "$commit" >"$out"
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