$ git clone -n https://src.fedoraproject.org/rpms/golang-github-nilslice-protolock.git /var/lib/mock/f40-build-2001579-44604/root/chroot_tmpdir/scmroot/golang-github-nilslice-protolock
Cloning into '/var/lib/mock/f40-build-2001579-44604/root/chroot_tmpdir/scmroot/golang-github-nilslice-protolock'...
$ git fetch origin 656bb48a3a0bb3c083717cb50f15051a5d7c4e93:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-nilslice-protolock
 * [new ref]         656bb48a3a0bb3c083717cb50f15051a5d7c4e93 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 656bb48 fixup: Make it build on epel9