$ git clone -n https://src.fedoraproject.org/rpms/rust-blowfish.git /var/lib/mock/f40-build-2053807-49096/root/chroot_tmpdir/scmroot/rust-blowfish
Cloning into '/var/lib/mock/f40-build-2053807-49096/root/chroot_tmpdir/scmroot/rust-blowfish'...
$ git fetch origin 53f19ea204a8c951852ed395d70d152ad8e078f1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-blowfish
 * [new ref]         53f19ea204a8c951852ed395d70d152ad8e078f1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 53f19ea Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild