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#!/bin/sh
if [ $# -ne 3 ]
then
echo "Wrong number of arguments. Usage: $0 [authors|reviewers] outfile git_dir" >&2
exit 1
fi
case "$1" in
authors)
GROUP_ARGS="--group=author --group=trailer:Co-Authored-by --group=trailer:Co-Developed-by"
;;
reviewers)
GROUP_ARGS="--group=trailer:Reviewed-by"
;;
*)
echo "Unknown contributor kind: \"$1\"" >&2
exit 1
;;
esac
OUTFILE="$2"
# GIT_DIR is passed explicitly so we never need to guess where
# the source directory is. It may be somewhere entirely different
# from where meson is running us.
GIT_DIR="$3"
if ! command -v git >/dev/null
then
echo "git not available" >&2
exit 1
fi
if [ ! -d "$GIT_DIR" ]
then
echo "GIT_DIR ($GIT_DIR) does not exist" >&2
exit 1
fi
git --no-pager --git-dir="$GIT_DIR" shortlog --summary --numbered $GROUP_ARGS HEAD > "$OUTFILE"
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