$ git clone -n https://src.fedoraproject.org/rpms/libgdata.git /var/lib/mock/f42-build-3273903-41313/root/chroot_tmpdir/scmroot/libgdata
Cloning into '/var/lib/mock/f42-build-3273903-41313/root/chroot_tmpdir/scmroot/libgdata'...
$ git fetch origin a83fb6310aa4f78e2eb33a16ca5dc77e0247ac40:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libgdata
 * [new ref]         a83fb6310aa4f78e2eb33a16ca5dc77e0247ac40 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a83fb63 Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild