$ git clone -n https://src.fedoraproject.org/rpms/golang-github-prometheus-tsdb.git /var/lib/mock/f38-build-side-42-init-devel-598447-26162/root/chroot_tmpdir/scmroot/golang-github-prometheus-tsdb
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-598447-26162/root/chroot_tmpdir/scmroot/golang-github-prometheus-tsdb'...
$ git fetch origin 4608749b010345ff5092d34bd5504ef554df7888:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-prometheus-tsdb
 * [new ref]         4608749b010345ff5092d34bd5504ef554df7888 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4608749 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild