$ git clone -n https://src.fedoraproject.org/rpms/golang-github-a8m-tree.git /var/lib/mock/f42-build-867207-174690/root/chroot_tmpdir/scmroot/golang-github-a8m-tree
Cloning into '/var/lib/mock/f42-build-867207-174690/root/chroot_tmpdir/scmroot/golang-github-a8m-tree'...
$ git fetch origin 5089e6e367a7fc9fdd9e9b476730930994b31ae9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-a8m-tree
 * [new ref]         5089e6e367a7fc9fdd9e9b476730930994b31ae9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5089e6e Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild