$ git clone -n https://src.fedoraproject.org/rpms/libfonts.git /var/lib/mock/f39-build-1490127-34503/root/chroot_tmpdir/scmroot/libfonts
Cloning into '/var/lib/mock/f39-build-1490127-34503/root/chroot_tmpdir/scmroot/libfonts'...
$ git fetch origin 5df2631cdc47cf8d8c76d933214c49fcb6066ab0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libfonts
 * [new ref]         5df2631cdc47cf8d8c76d933214c49fcb6066ab0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5df2631 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild