$ git clone -n http://git.inferitos.ru/rpms/rust-libgit2-sys0.12.git /var/lib/mock/inferit-9-epel-build-31880-60706/root/chroot_tmpdir/scmroot/rust-libgit2-sys0.12
Cloning into '/var/lib/mock/inferit-9-epel-build-31880-60706/root/chroot_tmpdir/scmroot/rust-libgit2-sys0.12'...
$ git fetch origin 1df8edf:KOJI_FETCH_HEAD
fatal: couldn't find remote ref 1df8edf
$ git reset --hard 1df8edf
HEAD is now at 1df8edf import rust-libgit2-sys0.12-0.12.26-5.el9