$ git clone -n https://src.fedoraproject.org/rpms/rust-imagequant-sys.git /var/lib/mock/f39-build-2318925-58284/root/chroot_tmpdir/scmroot/rust-imagequant-sys
Cloning into '/var/lib/mock/f39-build-2318925-58284/root/chroot_tmpdir/scmroot/rust-imagequant-sys'...
$ git fetch origin e1785a470eb77b5bef3f6c2574c10e9e0b8f9459:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-imagequant-sys
 * [new ref]         e1785a470eb77b5bef3f6c2574c10e9e0b8f9459 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e1785a4 Compatibility fixes for cargo-c v0.9.26 and newer