$ git clone -n https://src.fedoraproject.org/rpms/golang-github-google-cmdtest.git /var/lib/mock/f40-build-2594168-62730/root/chroot_tmpdir/scmroot/golang-github-google-cmdtest
Cloning into '/var/lib/mock/f40-build-2594168-62730/root/chroot_tmpdir/scmroot/golang-github-google-cmdtest'...
$ git fetch origin 2cacd4d8ff2b0fdce7702588948bf157724af75a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-google-cmdtest
 * [new ref]         2cacd4d8ff2b0fdce7702588948bf157724af75a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2cacd4d Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild