$ git clone -n https://src.fedoraproject.org/rpms/hamcrest.git /var/lib/mock/f40-build-2640063-66387/root/chroot_tmpdir/scmroot/hamcrest
Cloning into '/var/lib/mock/f40-build-2640063-66387/root/chroot_tmpdir/scmroot/hamcrest'...
$ git fetch origin 9c6b47cc5591e28060bd443cb93a20c99697e185:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/hamcrest
 * [new ref]         9c6b47cc5591e28060bd443cb93a20c99697e185 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9c6b47c Rebuilt for java-21-openjdk as system jdk