$ git clone -n https://src.fedoraproject.org/rpms/rust-goblin.git /var/lib/mock/f45-build-42080-788/root/chroot_tmpdir/scmroot/rust-goblin
Cloning into '/var/lib/mock/f45-build-42080-788/root/chroot_tmpdir/scmroot/rust-goblin'...
$ git fetch origin c7bc42bd99b10a5e3f8c8eec9d4919237d5f9fec:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-goblin
 * [new ref]         c7bc42bd99b10a5e3f8c8eec9d4919237d5f9fec -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c7bc42b Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild