$ git clone -n https://src.fedoraproject.org/rpms/rust-sctk-adwaita.git /var/lib/mock/f38-build-side-42-init-devel-1133405-30347/root/chroot_tmpdir/scmroot/rust-sctk-adwaita
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-1133405-30347/root/chroot_tmpdir/scmroot/rust-sctk-adwaita'...
$ git fetch origin fa56eb5fb5f7940ce654aae42716fc6d9a2a8211:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-sctk-adwaita
 * [new ref]         fa56eb5fb5f7940ce654aae42716fc6d9a2a8211 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fa56eb5 Initial import (rhbz#2183860)