$ git clone -n https://src.fedoraproject.org/rpms/scantailor.git /var/lib/mock/f41-build-1049346-19179/root/chroot_tmpdir/scmroot/scantailor
Cloning into '/var/lib/mock/f41-build-1049346-19179/root/chroot_tmpdir/scmroot/scantailor'...
$ git fetch origin 5a7fd7d4e41e284a19ce585249f0ec7a0e739534:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/scantailor
 * [new ref]         5a7fd7d4e41e284a19ce585249f0ec7a0e739534 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5a7fd7d Eliminate use of obsolete %patchN syntax (#2283636)