$ git clone -n https://src.fedoraproject.org/rpms/libmacaroons.git /var/lib/mock/f40-build-2604996-63433/root/chroot_tmpdir/scmroot/libmacaroons
Cloning into '/var/lib/mock/f40-build-2604996-63433/root/chroot_tmpdir/scmroot/libmacaroons'...
$ git fetch origin 1c6d3f5a41b9a7ba6517765f0e245eaa8af43bb5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libmacaroons
 * [new ref]         1c6d3f5a41b9a7ba6517765f0e245eaa8af43bb5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1c6d3f5 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild