$ git clone -n https://src.fedoraproject.org/rpms/adw-gtk3-theme.git /var/lib/mock/f38-build-side-42-init-devel-648772-26452/root/chroot_tmpdir/scmroot/adw-gtk3-theme
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-648772-26452/root/chroot_tmpdir/scmroot/adw-gtk3-theme'...
$ git fetch origin 05e9d7e8a738540175d037b82237bba2286c7350:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/adw-gtk3-theme
 * [new ref]         05e9d7e8a738540175d037b82237bba2286c7350 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 05e9d7e Initial import (rhbz#2184636).