$ git clone -n https://src.fedoraproject.org/rpms/man-pages-l10n.git /var/lib/mock/f45-build-17994-506/root/chroot_tmpdir/scmroot/man-pages-l10n
Cloning into '/var/lib/mock/f45-build-17994-506/root/chroot_tmpdir/scmroot/man-pages-l10n'...
$ git fetch origin fa1f13b094e09b324aa9bee6542fdf488e6bd1dc:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/man-pages-l10n
 * [new ref]         fa1f13b094e09b324aa9bee6542fdf488e6bd1dc -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fa1f13b Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild