$ git clone -n https://src.fedoraproject.org/rpms/golang-github-heistp-irtt.git /var/lib/mock/f38-build-side-42-init-devel-675394-26685/root/chroot_tmpdir/scmroot/golang-github-heistp-irtt
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-675394-26685/root/chroot_tmpdir/scmroot/golang-github-heistp-irtt'...
$ git fetch origin fc0b655e72e687463e4c4895940c003017139dd2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-heistp-irtt
 * [new ref]         fc0b655e72e687463e4c4895940c003017139dd2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fc0b655 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild