Git hook that uses llm to prepare commit messages as release notes.

prepare-commit-msg

#!/bin/sh
# https://gist.github.com/gfranxman/e9d4a523397535c6dd82d1445c246b8d/edit
# 2023-08-18

COMMIT_MSG_FILE=$1
COMMIT_SOURCE=$2
SHA1=$3

REL_NOTES_RAW=`git diff --staged | llm -s "release notes"  2>/dev/null`
REL_NOTES_RAW=$(echo "$REL_NOTES_RAW" | sed 's/^#/* /')

REL_NOTES_ESCAPED=$(echo "$REL_NOTES_RAW" | awk '{print $0 "\\n"}')
REL_NOTES=$(echo "$REL_NOTES" | sed 's/^/# /')


# if you want the rel notes as comments
#awk -v r="$REL_NOTES" 'NR==1 {print r} {print}' "$COMMIT_MSG_FILE" > tmpfile && mv tmpfile "$COMMIT_MSG_FILE"
# or ready to go:
awk -v r="$REL_NOTES_RAW" 'NR==1 {print r} {print}' "$COMMIT_MSG_FILE" > tmpfile && mv tmpfile "$COMMIT_MSG_FILE"


/usr/bin/perl -i.bak -ne 'print unless(m/^. Please enter the commit message/..m/^#$/)' "$COMMIT_MSG_FILE"