$ git clone -n https://src.fedoraproject.org/rpms/rust-anyhow.git /var/lib/mock/f40-build-2688546-68099/root/chroot_tmpdir/scmroot/rust-anyhow
Cloning into '/var/lib/mock/f40-build-2688546-68099/root/chroot_tmpdir/scmroot/rust-anyhow'...
$ git fetch origin ec4778a498ccd0672b0803ee6e95910e3b03b479:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-anyhow
 * [new ref]         ec4778a498ccd0672b0803ee6e95910e3b03b479 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ec4778a Update to version 1.0.80; Fixes RHBZ#2264818