$ git clone -n https://src.fedoraproject.org/rpms/rust-hamcrest2.git /var/lib/mock/f39-build-1460403-33206/root/chroot_tmpdir/scmroot/rust-hamcrest2
Cloning into '/var/lib/mock/f39-build-1460403-33206/root/chroot_tmpdir/scmroot/rust-hamcrest2'...
$ git fetch origin a4af273d8c568fbe35a0fba417bd75400331c34f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-hamcrest2
 * [new ref]         a4af273d8c568fbe35a0fba417bd75400331c34f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a4af273 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild