$ git clone -n https://src.fedoraproject.org/rpms/golang-github-alecthomas-template.git /var/lib/mock/f39-build-2149875-50893/root/chroot_tmpdir/scmroot/golang-github-alecthomas-template
Cloning into '/var/lib/mock/f39-build-2149875-50893/root/chroot_tmpdir/scmroot/golang-github-alecthomas-template'...
$ git fetch origin c30d9799ececfb74fb53bc22fa145d4407aeae55:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-alecthomas-template
 * [new ref]         c30d9799ececfb74fb53bc22fa145d4407aeae55 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c30d979 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild