$ git clone -n https://src.fedoraproject.org/rpms/xtide.git /var/lib/mock/f42-build-side-1-3583898-46891/root/chroot_tmpdir/scmroot/xtide
Cloning into '/var/lib/mock/f42-build-side-1-3583898-46891/root/chroot_tmpdir/scmroot/xtide'...
$ git fetch origin 7b5c95bcaea61c0c6a6763cdde53445a87d1baaa:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/xtide
 * [new ref]         7b5c95bcaea61c0c6a6763cdde53445a87d1baaa -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7b5c95b 2.15.6