$ git clone -n https://src.fedoraproject.org/rpms/cairo.git /var/lib/mock/f40-build-786617-134469/root/chroot_tmpdir/scmroot/cairo
Cloning into '/var/lib/mock/f40-build-786617-134469/root/chroot_tmpdir/scmroot/cairo'...
$ git fetch origin ab8efc50f57d84478ec156c7fc1bd9bee8b82afa:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/cairo
 * [new ref]         ab8efc50f57d84478ec156c7fc1bd9bee8b82afa -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ab8efc5 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild