$ git clone -n https://src.fedoraproject.org/rpms/rust-blsctl.git /var/lib/mock/f40-build-2081157-49745/root/chroot_tmpdir/scmroot/rust-blsctl
Cloning into '/var/lib/mock/f40-build-2081157-49745/root/chroot_tmpdir/scmroot/rust-blsctl'...
$ git fetch origin ff3fdad180652f7861e97c06b06334fc2cc10e18:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-blsctl
 * [new ref]         ff3fdad180652f7861e97c06b06334fc2cc10e18 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ff3fdad Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild