123 lines
3.6 KiB
Bash
Executable File
123 lines
3.6 KiB
Bash
Executable File
#!/usr/bin/env bash
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#
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# commitlint [GITRANGE|FILE]
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# Check unpushed commits, or commits in the specified range, or a
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# commit message in FILE, for compliance with hledger's conventions
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# (https://hledger.org/CONTRIBUTING.html#commit-messages). If the
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# argument contains - or .. or ^! it's a range, otherwise a file
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# containing a proposed commit message.
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# Run interactively, or symlink as .git/hooks/commit-msg to check
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# your messages before commit.
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#
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# Examples:
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# commitlint foo # commit message in ./foo
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# commitlint HEAD^! # last commit
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# commitlint d5d19f841^! # this commit
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# commitlint -20 # last 20 commits
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# commitlint master.. # commits in this branch
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# commitlint 1.21..1.22 | grep -F [FAIL] # bad commits in 1.22 release cycle
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# commitlint # unpushed commits
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if [[ -n ${NO_COLOR+set} ]]
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then
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RED=""
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GRN=""
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NRM=""
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else
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RED="\033[31m"
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GRN="\033[32m"
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NRM="\033[0m"
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fi
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# checkcommit GITHASH - check this commit's message and print result
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function checkcommit()
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{
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HASH=${1}
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MSG=$(git log -1 "$HASH" --pretty=format:"%s%n%b")
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checkmsg "$MSG"
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}
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# checkmsg MSG [GITHASH] - check this commit message and print result
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function checkmsg()
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{
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MSG=${1}
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HASH=${2}
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if [[ -n $HASH ]]
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then
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HASH="$HASH "
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fi
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SUMMARY=$(echo "$MSG" | head -1)
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FMT="%s%-60s %b${NRM}\n"
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# Does the summary have a type: prefix ?
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# Can begin with ; and/or end with !, some spaces are tolerated.
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if ! echo "$SUMMARY" | grep -qE '^(; *)?\w+:[ \w]+!?'
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then
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# shellcheck disable=SC2059
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printf "$FMT" "$HASH" "$SUMMARY" "${RED}[FAIL]"
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STATUS=1
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else
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# shellcheck disable=SC2059
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printf "$FMT" "$HASH" "$SUMMARY" "${GRN}[ok]"
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fi
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}
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STATUS=
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RANGE=${*:-"@{u}.."} # @{u} = upstream
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if [[ $RANGE =~ (-|\.\.|\^!) ]]
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then
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HASHES=$(git log --abbrev-commit --pretty=format:%h "$RANGE")
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for HASH in $HASHES; do checkcommit "$HASH"; done
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else
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MSG=$(cat "$1")
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checkmsg "$MSG"
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fi
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if [[ -z $STATUS ]]
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then
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printf "" # "${GRN}Ok${NRM}\n"
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else
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# shellcheck disable=SC2059
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printf "\n${RED}Commit(s) not in preferred style.${NRM}\n"
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cat <<EOF
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---------------------------------------------------------------------------
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Commit messages should follow this format:
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[;]type[!]: [topic:] summary
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[Optional description, ready for release notes/changelog.]
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Explanation:
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The subject line should have a type: prefix. Common types:
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feat imp fix - end-user changes (->release notes & changelogs)
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cha pkg lib - packager/builder/lib-user changes (->changelogs)
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dev doc test ci ref cln - developer changes
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It may additionally have a topic(s) prefix such as:
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bin examples install cli ui web print reg bal bs balcmds journal csv ...
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(see https://hledger.org/CONTRIBUTING.html#open-issues -> COMPONENT)
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Mention any related issues, usually parenthesised at end of summary: (#1234)
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! indicates a breaking change.
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; skips expensive CI tests.
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These conventions are evolving. In practice, any type or topic will do.
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Use your best judgement and we'll polish during code review.
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More context: https://hledger.org/CONTRIBUTING.html#commit-messages
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You can set up this script to check your commit messages locally:
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1. before committing:
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a. safer but must redo: cp bin/commitlint .git/hooks/commit-msg
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b. more convenient: ln -s ../../bin/commitlint .git/hooks/commit-msg
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2. before pushing: bin/commitlint && git push
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---------------------------------------------------------------------------
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EOF
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fi
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exit 0"$STATUS"
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