$ git clone -n https://src.fedoraproject.org/rpms/yagf.git /var/lib/mock/f41-build-874481-16213/root/chroot_tmpdir/scmroot/yagf
Cloning into '/var/lib/mock/f41-build-874481-16213/root/chroot_tmpdir/scmroot/yagf'...
$ git fetch origin a75633f3fd9de2c30c593f87dda2d4ac4fd09d52:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/yagf
 * [new ref]         a75633f3fd9de2c30c593f87dda2d4ac4fd09d52 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a75633f Eliminate use of obsolete %patchN syntax (#2283636)