$ git clone -n https://src.fedoraproject.org/rpms/rust-krunvm.git /var/lib/mock/f41-build-811062-147141/root/chroot_tmpdir/scmroot/rust-krunvm
Cloning into '/var/lib/mock/f41-build-811062-147141/root/chroot_tmpdir/scmroot/rust-krunvm'...
$ git fetch origin 216967cc0626a0fc5c91dd0b20b726f324904f38:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-krunvm
 * [new ref]         216967cc0626a0fc5c91dd0b20b726f324904f38 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 216967c Rebuild with Rust 1.78 to fix incomplete debuginfo and backtraces