$ git clone -n https://src.fedoraproject.org/rpms/rust-reedline.git /var/lib/mock/f40-build-2631992-65831/root/chroot_tmpdir/scmroot/rust-reedline
Cloning into '/var/lib/mock/f40-build-2631992-65831/root/chroot_tmpdir/scmroot/rust-reedline'...
$ git fetch origin b4ce907e9ac9433b1cfbb80b138c29a129e4df92:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-reedline
 * [new ref]         b4ce907e9ac9433b1cfbb80b138c29a129e4df92 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b4ce907 Update to 0.30.0 (rhbz#2267999)