$ git clone -n https://src.fedoraproject.org/rpms/rust-sequoia-keystore-backend.git /var/lib/mock/f40-build-1967937-25215/root/chroot_tmpdir/scmroot/rust-sequoia-keystore-backend
Cloning into '/var/lib/mock/f40-build-1967937-25215/root/chroot_tmpdir/scmroot/rust-sequoia-keystore-backend'...
$ git fetch origin fb79a9bc273f24ee6308840af98602ffa23aac1d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-sequoia-keystore-backend
 * [new ref]         fb79a9bc273f24ee6308840af98602ffa23aac1d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fb79a9b Update to version 0.5.0; Fixes RHBZ#2281533