$ git clone -n https://src.fedoraproject.org/rpms/perl-Encode-JP-Mobile.git /var/lib/mock/f41-build-800520-13676/root/chroot_tmpdir/scmroot/perl-Encode-JP-Mobile
Cloning into '/var/lib/mock/f41-build-800520-13676/root/chroot_tmpdir/scmroot/perl-Encode-JP-Mobile'...
$ git fetch origin baaecf9babbc0da2d06629faac669c2e5b1d39aa:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Encode-JP-Mobile
 * [new ref]         baaecf9babbc0da2d06629faac669c2e5b1d39aa -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at baaecf9 Eliminate use of obsolete %patchN syntax (#2283636)