$ git clone -n https://src.fedoraproject.org/rpms/rust-slotmap.git /var/lib/mock/f39-build-1543631-36572/root/chroot_tmpdir/scmroot/rust-slotmap
Cloning into '/var/lib/mock/f39-build-1543631-36572/root/chroot_tmpdir/scmroot/rust-slotmap'...
$ git fetch origin 1fa700299876de68893e42fb3eca1dd5d4b56e2a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-slotmap
 * [new ref]         1fa700299876de68893e42fb3eca1dd5d4b56e2a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1fa7002 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild