$ git clone -n https://src.fedoraproject.org/rpms/rust-inout.git /var/lib/mock/f39-build-1521816-35861/root/chroot_tmpdir/scmroot/rust-inout
Cloning into '/var/lib/mock/f39-build-1521816-35861/root/chroot_tmpdir/scmroot/rust-inout'...
$ git fetch origin c9d5c64affad3b1daf80c8b149d9762022c1bb22:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-inout
 * [new ref]         c9d5c64affad3b1daf80c8b149d9762022c1bb22 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c9d5c64 Update to version 0.1.3; Fixes RHBZ#2229422