$ git clone -n https://src.fedoraproject.org/rpms/spirv-tools.git /var/lib/mock/f40-build-1138086-20803/root/chroot_tmpdir/scmroot/spirv-tools
Cloning into '/var/lib/mock/f40-build-1138086-20803/root/chroot_tmpdir/scmroot/spirv-tools'...
$ git fetch origin 3d8c683b609169c3caadb10daefb4e9b6f75c381:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/spirv-tools
 * [new ref]         3d8c683b609169c3caadb10daefb4e9b6f75c381 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3d8c683 Update to 1.3.283.0 SDK