$ git clone -n https://src.fedoraproject.org/rpms/ccache.git /var/lib/mock/f40-build-2409132-60559/root/chroot_tmpdir/scmroot/ccache
Cloning into '/var/lib/mock/f40-build-2409132-60559/root/chroot_tmpdir/scmroot/ccache'...
$ git fetch origin bd1676367fa1e85580ec493d5b3a51a44b9415e5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ccache
 * [new ref]         bd1676367fa1e85580ec493d5b3a51a44b9415e5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bd16763 Update to 4.9.1