$ git clone -n https://src.fedoraproject.org/rpms/golang-github-a8m-tree.git /var/lib/mock/f40-build-2573116-62241/root/chroot_tmpdir/scmroot/golang-github-a8m-tree
Cloning into '/var/lib/mock/f40-build-2573116-62241/root/chroot_tmpdir/scmroot/golang-github-a8m-tree'...
$ git fetch origin 293eeeef327951b3f5c74db43d4fbcb795fc24f5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-a8m-tree
 * [new ref]         293eeeef327951b3f5c74db43d4fbcb795fc24f5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 293eeee Rebuild for golang 1.22.0