Mihaela Mihaljevic
708390242c
Root Swift package mirroring PureYAML's structure, rules, and verification gates. Includes the XML node model (Node, Element, Attribute, QualifiedName), a working emitter (Serializer) with escaping and pretty/compact options, and structural validation. The parser surface is stable; parse() raises notImplemented until the scanner lands, pinned by a test. - dependency-free, namespaced under PureXML - portability and style gates carried over (style, namespacing, forbidden patterns, swiftformat, swiftlint, linux, wasm, windows CI) - 11 tests passing
127 lines
4.3 KiB
Bash
Executable File
127 lines
4.3 KiB
Bash
Executable File
#!/usr/bin/env bash
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# commit-msg hook: reject style tells in commit messages.
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#
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# Enforces github-discipline.md Rule 5.1 (no AI attribution) and
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# Rule 5.2 (no em dashes U+2014) at the commit boundary.
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#
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# Install (per repo): git config core.hooksPath .githooks
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#
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# Portable: uses only BSD-compatible grep (no -P, no \x escapes in patterns).
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set -e
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MSG_FILE="$1"
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[ -z "$MSG_FILE" ] && exit 0
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[ ! -f "$MSG_FILE" ] && exit 0
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# Strip comment lines (lines starting with #) and the diff scissors block.
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CONTENT=$(awk '
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/^# ------------------------ >8 ------------------------$/ { exit }
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/^[[:space:]]*#/ { next }
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{ print }
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' "$MSG_FILE")
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FAIL=0
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# Em dash U+2014 = UTF-8 bytes E2 80 94. Build the literal as a variable so the
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# script source itself contains no em-dash character.
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EMDASH=$(printf '\xe2\x80\x94')
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if LC_ALL=C printf '%s' "$CONTENT" | grep -qF -- "$EMDASH"; then
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printf 'commit-msg: forbidden em dash (U+2014) in commit message.\n' >&2
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printf ' Replace with a comma, period, colon, semicolon, or restructure.\n' >&2
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printf ' Rule: github-discipline.md Rule 5.2\n' >&2
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printf ' Locations (line numbers in the cleaned message):\n' >&2
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LC_ALL=C printf '%s\n' "$CONTENT" | grep -nF -- "$EMDASH" | sed 's/^/ /' >&2
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FAIL=1
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fi
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# Rule 5.1: literal AI-attribution phrases.
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LITERAL_PATTERNS=(
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'Co-Authored-By: Claude'
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'Co-authored-by: Claude'
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'Generated with Claude Code'
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'Generated with Claude'
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'Generated by Claude'
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'with help from Claude'
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'Powered by Claude'
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'powered by Claude'
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'as an AI'
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'As an AI'
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'this commit was generated'
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'This commit was generated'
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'this change was generated'
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'This change was generated'
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)
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for p in "${LITERAL_PATTERNS[@]}"; do
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if printf '%s' "$CONTENT" | grep -qF -- "$p"; then
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printf 'commit-msg: forbidden AI-attribution phrase: %s\n' "$p" >&2
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printf ' Rule: github-discipline.md Rule 5.1\n' >&2
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FAIL=1
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fi
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done
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# Rule 5.1: AI-tell signature emojis used as flourish at end of line.
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# Build emoji byte sequences in a variable so the script source stays clean.
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EMOJI_TELLS=$(printf '\xf0\x9f\xa4\x96\n\xe2\x9c\xa8\n\xf0\x9f\xaa\x84\n\xf0\x9f\xa7\xa0\n\xf0\x9f\xa6\xbe\n\xf0\x9f\xa4\x9d')
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while IFS= read -r emoji; do
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[ -z "$emoji" ] && continue
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if LC_ALL=C printf '%s' "$CONTENT" | grep -qF -- "$emoji"; then
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printf 'commit-msg: forbidden AI-signature emoji in commit message.\n' >&2
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printf ' Rule: github-discipline.md Rule 5.1\n' >&2
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FAIL=1
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break
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fi
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done <<<"$EMOJI_TELLS"
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# Rule 5.1: AI-tell preamble phrasings at start of any line.
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PREAMBLE_PATTERNS=(
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"I'll now"
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"Let me "
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"Here is a quick summary"
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"Here's a quick summary"
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)
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for p in "${PREAMBLE_PATTERNS[@]}"; do
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if printf '%s' "$CONTENT" | grep -qE -- "^${p}"; then
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printf 'commit-msg: forbidden AI-tell preamble at line start: %s\n' "$p" >&2
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printf ' Rule: github-discipline.md Rule 5.1\n' >&2
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FAIL=1
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fi
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done
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# Rule 5.1: Cursor attribution. Reject Cursor co-author trailers, the agent
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# email, any @cursor.com address, and "generated with Cursor" style tells.
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# Case-insensitive on purpose: cursoragent@cursor.com, Co-authored-by: Cursor.
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CURSOR_LITERALS=(
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'Co-Authored-By: Cursor'
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'Co-authored-by: Cursor'
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'Generated with Cursor'
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'Generated by Cursor'
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'with help from Cursor'
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'Powered by Cursor'
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)
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for p in "${CURSOR_LITERALS[@]}"; do
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if printf '%s' "$CONTENT" | grep -qiF -- "$p"; then
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printf 'commit-msg: forbidden Cursor attribution: %s\n' "$p" >&2
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printf ' Rule: github-discipline.md Rule 5.1\n' >&2
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FAIL=1
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fi
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done
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if printf '%s' "$CONTENT" | grep -qiE -- '@cursor\.com'; then
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printf 'commit-msg: forbidden Cursor email (@cursor.com) in commit message.\n' >&2
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printf ' Rule: github-discipline.md Rule 5.1\n' >&2
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FAIL=1
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fi
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# Author / committer identity must not be Cursor. git var resolves the exact
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# identity (including --author / GIT_*_IDENT overrides) this commit will record.
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for ident in "$(git var GIT_AUTHOR_IDENT 2>/dev/null)" "$(git var GIT_COMMITTER_IDENT 2>/dev/null)"; do
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[ -z "$ident" ] && continue
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if printf '%s' "$ident" | grep -qiE -- '@cursor\.com|(^|[^[:alpha:]])cursor(agent)?([^[:alpha:]]|$)'; then
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printf 'commit-msg: forbidden Cursor identity as author/committer: %s\n' "$ident" >&2
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printf ' Fix: set git config user.name / user.email to your own identity.\n' >&2
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FAIL=1
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fi
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done
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exit $FAIL
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