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jeremyBanks/fill-empty-commit-messages.sh

Created February 26, 2021 14:29
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replace empty commit messages with placeholder
Raw
fill-empty-commit-messages.sh
git filter-branch --msg-filter '\
export OLD_MESSAGE="$(cat)" ;\
export GIT_HEIGHT="$(git rev-list --count "${GIT_COMMIT:-HEAD}")" ;\
export GIT_TREE_HASH="$(git rev-parse --short=8 ${GIT_COMMIT:-HEAD}^{tree})" ;\
export GIT_MESSAGE="$(printf %08d "${GIT_HEIGHT}")-${GIT_TREE_HASH}" ;\
echo "${OLD_MESSAGE:-${GIT_MESSAGE}}" ;\
'
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