$ git clone -n https://src.fedoraproject.org/rpms/geany-themes.git /var/lib/mock/f42-build-3274265-41315/root/chroot_tmpdir/scmroot/geany-themes
Cloning into '/var/lib/mock/f42-build-3274265-41315/root/chroot_tmpdir/scmroot/geany-themes'...
$ git fetch origin b92cdca84784151a58a25b4371d3a662456602d0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/geany-themes
 * [new ref]         b92cdca84784151a58a25b4371d3a662456602d0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b92cdca Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild