Created
February 26, 2021 14:29
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replace empty commit messages with placeholder
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| 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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