Michel de Graaf
9a8f616f9b
An assistant is tooling, like an editor or a formatter, and tooling does not sign the work — a co-author trailer or a stray commit identity puts one on the repository's GitHub contributor list. Both guards are git's own, so they need no editor-specific directory in the tree. .mailmap folds a tool identity into the author who owns the work, which git honours in log and shortlog and GitHub honours when it builds the contributor list. The commit-msg hook strips the trailers if one is written anyway; CLAUDE.md says so in words and names the one-time config that turns the hook on.
21 lines
850 B
Bash
Executable File
21 lines
850 B
Bash
Executable File
#!/bin/sh
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# Commits carry the author's attribution and nothing else. Assistants are
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# tooling, the same as an editor or a formatter, and tooling does not sign
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# the work: a co-author trailer would put one on the repository's
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# contributor list. The setting and CLAUDE.md ask for this; this hook is
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# what makes it true even when something forgets to.
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#
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# Enable it once per clone: git config core.hooksPath .githooks
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msg="$1"
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tmp="$msg.attribution"
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grep -v -i -E \
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'^(Co-Authored-By:.*(claude|anthropic|copilot|cursor|codex)|Claude-Session:|Generated with .*Claude|🤖 Generated with)' \
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"$msg" > "$tmp" || true
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# Trailing blank lines are left behind once a trailer block goes.
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awk 'BEGIN{n=0} {lines[NR]=$0} END{for(i=NR;i>0;i--) if(lines[i] ~ /[^[:space:]]/){n=i; break} for(i=1;i<=n;i++) print lines[i]}' \
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"$tmp" > "$msg"
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rm -f "$tmp"
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