$ git clone -n https://src.fedoraproject.org/rpms/libnsgif.git /var/lib/mock/f45-build-16655-489/root/chroot_tmpdir/scmroot/libnsgif
Cloning into '/var/lib/mock/f45-build-16655-489/root/chroot_tmpdir/scmroot/libnsgif'...
$ git fetch origin afd94b8527e272887c5801583263509f29c0fcdc:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libnsgif
 * [new ref]         afd94b8527e272887c5801583263509f29c0fcdc -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at afd94b8 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild