$ git clone -n https://src.fedoraproject.org/rpms/vim-ale.git /var/lib/mock/f39-build-1459621-33146/root/chroot_tmpdir/scmroot/vim-ale
Cloning into '/var/lib/mock/f39-build-1459621-33146/root/chroot_tmpdir/scmroot/vim-ale'...
$ git fetch origin 5f66cb1dce23b11e43b9cac343d29dc9a735d7eb:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/vim-ale
 * [new ref]         5f66cb1dce23b11e43b9cac343d29dc9a735d7eb -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5f66cb1 New upstream version