$ git clone -n https://src.fedoraproject.org/rpms/rust-palette_derive.git /var/lib/mock/f45-build-43728-805/root/chroot_tmpdir/scmroot/rust-palette_derive
Cloning into '/var/lib/mock/f45-build-43728-805/root/chroot_tmpdir/scmroot/rust-palette_derive'...
$ git fetch origin 5a6e4869d37124b925c137873eecd318afd0a14a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-palette_derive
 * [new ref]         5a6e4869d37124b925c137873eecd318afd0a14a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5a6e486 Update find-crate to 0.7