$ git clone -n https://src.fedoraproject.org/rpms/rust-hex-literal0.2.git /var/lib/mock/f39-build-1521749-35856/root/chroot_tmpdir/scmroot/rust-hex-literal0.2
Cloning into '/var/lib/mock/f39-build-1521749-35856/root/chroot_tmpdir/scmroot/rust-hex-literal0.2'...
$ git fetch origin 17e43d52f662e06066c8df7869ada255cef98d17:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-hex-literal0.2
 * [new ref]         17e43d52f662e06066c8df7869ada255cef98d17 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 17e43d5 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild