$ git clone -n https://src.fedoraproject.org/rpms/libusbmuxd.git /var/lib/mock/f39-build-1469360-33842/root/chroot_tmpdir/scmroot/libusbmuxd
Cloning into '/var/lib/mock/f39-build-1469360-33842/root/chroot_tmpdir/scmroot/libusbmuxd'...
$ git fetch origin 95c3d842eb04bb3f99f95b79b73374be72ea7501:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libusbmuxd
 * [new ref]         95c3d842eb04bb3f99f95b79b73374be72ea7501 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 95c3d84 fixup: Add missing BuildRequires