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|
#!/bin/bash
##############################################################################
# Copyright (C) 2026 Eclipse ThreadX contributors
#
# This program and the accompanying materials are made available under the
# terms of the MIT License which is available at
# https://opensource.org/licenses/MIT.
#
# AI Disclosure: This file was largely AI-generated by Claude Code (Opus 5).
# The AI-generated portions may be considered public domain (CC0-1.0)
# and not subject to the project's licence. The human contributor has
# reviewed and verified that the code is correct.
#
# SPDX-License-Identifier: MIT and CC0-1.0
##############################################################################
# Report the Assisted-by attributions in a repository's history.
#
# scripts/count_assisted_by.sh # HEAD, grouped by value
# scripts/count_assisted_by.sh origin/dev # a branch
# scripts/count_assisted_by.sh origin/dev -- ports # a path
# scripts/count_assisted_by.sh --list origin/dev # one line per commit
#
# Why not git's own trailer parser: git reads trailers only from a block at the
# very end of a message. A squash merge concatenates the branch's commit
# messages, which leaves every trailer but the last one buried mid-message, and
# an indented trailer is skipped as well. Both forms are real attributions and
# both are invisible to --format='%(trailers:key=Assisted-by)'. This reads whole
# commit bodies instead, so the count is complete.
set -u
list=0
if [ "${1:-}" = "--list" ]; then
list=1
shift
fi
rev="${1:-}"
if [ -n "$rev" ] && [ "$rev" != "--" ]; then
shift
else
rev="HEAD"
fi
if [ "${1:-}" = "--" ]; then
shift
fi
# %x02 opens a record and %x01 separates the hash from the body, so bodies
# containing blank lines survive the pass through awk.
git log "$rev" --format='%x02%H%x01%B' ${1+"$@"} \
| tr '\n' '\003' | tr '\002' '\n' \
| awk -F'\001' -v list="$list" '
NF >= 2 {
body = $2
gsub(/\003/, "\n", body)
n = split(body, line, "\n")
for (i = 1; i <= n; i++) {
if (line[i] ~ /^[[:space:]]*Assisted-by:[[:space:]]*/) {
value = line[i]
sub(/^[[:space:]]*Assisted-by:[[:space:]]*/, "", value)
sub(/[[:space:]]+$/, "", value)
if (value == "")
continue
if (list)
print substr($1, 1, 8) " " value
else
count[value]++
}
}
}
END {
if (list)
exit
for (value in count)
printf "%6d %s\n", count[value], value
}' \
| { if [ "$list" -eq 1 ]; then cat; else sort -rn; fi; }
|
