#!/bin/sh

# This script requires a Git revision selector, such as HEAD, 734713bc0,
# origin/master..HEAD, et cetera:
# https://git-scm.com/book/en/v2/Git-Tools-Revision-Selection

# A revision selector example for guix.git: v0.11.0..HEAD

if test $# -eq 1 ; then
	range=$1
else
	exit 1
fi

for commit in $(git rev-list $range); do
	results=$(git verify-commit $commit 2>&1)
	if test $? -ne 0; then
		git show --format=full --show-signature $commit
		# I'm not sure if the previous line will always include the
		# contents of $results, so I re-print it just in case.
		printf "%s\n\n" "$results"
	fi
done