$ git clone -n https://src.fedoraproject.org/rpms/rust-libcryptsetup-rs.git /var/lib/mock/f40-build-2224458-52781/root/chroot_tmpdir/scmroot/rust-libcryptsetup-rs
Cloning into '/var/lib/mock/f40-build-2224458-52781/root/chroot_tmpdir/scmroot/rust-libcryptsetup-rs'...
$ git fetch origin 76879b8bf9590a9b8da88a6e181e34e6918ef69f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-libcryptsetup-rs
 * [new ref]         76879b8bf9590a9b8da88a6e181e34e6918ef69f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 76879b8 Update to version 0.9.1