$ git clone -n https://src.fedoraproject.org/rpms/rust-strum_macros.git /var/lib/mock/f40-build-2716941-72707/root/chroot_tmpdir/scmroot/rust-strum_macros
Cloning into '/var/lib/mock/f40-build-2716941-72707/root/chroot_tmpdir/scmroot/rust-strum_macros'...
$ git fetch origin dcec9f0be16a0f5f4959bb5d4ff53c7ab200cffa:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-strum_macros
 * [new ref]         dcec9f0be16a0f5f4959bb5d4ff53c7ab200cffa -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at dcec9f0 Update to 0.26.2 (rhbz#2260684)