51 lines
1.4 KiB
Bash
51 lines
1.4 KiB
Bash
#!/usr/bin/env bash
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#
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# The following snippet can be used to WARN about a missing signed-off-by line
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# in commits when pushing
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#
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# Aborting the push is possible
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#
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remote="$1"
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url="$2"
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z40=0000000000000000000000000000000000000000
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while read local_ref local_sha remote_ref remote_sha
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do
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if [ "$local_sha" = $z40 ]
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then
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# Branch is deleted, nothing to check here, move along.
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else
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if [ "$remote_sha" = $z40 ]
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then
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# New branch, examine all commits
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range="$local_sha"
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else
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# Update to existing branch, examine new commits
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range="$remote_sha..$local_sha"
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fi
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if [ "$remote_sha" = $z40 ]; then
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# New branch is pushed, we only want to check commits that are not
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# on master.
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range="$(git merge-base master "$local_sha")..$local_sha"
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fi
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while read ref; do
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msg=$(git log -n 1 --format=%B "$ref")
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if ! grep -q '^Signed-off-by: ' <<<"$msg"; then
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echo >&2 "Unsigned commit $ref"
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# TO NOT ONLY WARN BUT ABORT UNCOMMENT THE NEXT LINE
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# exit 1
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fi
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done < <(git rev-list "$range")
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# The process substitution above is a hack to make sure loop runs in
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# the same shell and can actually exit the whole script.
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fi
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done
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exit 0
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