hub/script/changelog

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#!/bin/bash
# vi:ft=sh:
# Usage: script/changelog [HEAD]
#
# Show changes to runtime files between HEAD and previous release tag.
set -e
head="${1:-HEAD}"
for sha in `git rev-list -n 100 --first-parent "$head"^`; do
previous_tag="$(git tag -l --points-at "$sha" 'v*' 2>/dev/null || true)"
[ -z "$previous_tag" ] || break
done
if [ -z "$previous_tag" ]; then
echo "Couldn't detect previous version tag" >&2
exit 1
fi
git log --no-merges --format='%C(auto,green)* %s%C(auto,reset)%n%w(0,2,2)%+b' \
--reverse "${previous_tag}..${head}" -- `script/build files` etc share