$ git clone -n https://src.fedoraproject.org/rpms/rust-grep-searcher.git /var/lib/mock/f40-build-2713183-72120/root/chroot_tmpdir/scmroot/rust-grep-searcher
Cloning into '/var/lib/mock/f40-build-2713183-72120/root/chroot_tmpdir/scmroot/rust-grep-searcher'...
$ git fetch origin 1aab98bdd0cf7113bdcf964ea3b664a6c694bae1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-grep-searcher
 * [new ref]         1aab98bdd0cf7113bdcf964ea3b664a6c694bae1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1aab98b Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild