$ git clone -n http://git.inferitos.ru/rpms/rust-git2_0.13.git /var/lib/mock/inferit-9_4-aarch64-extras-build-63090-132374/root/chroot_tmpdir/scmroot/rust-git2_0.13
Cloning into '/var/lib/mock/inferit-9_4-aarch64-extras-build-63090-132374/root/chroot_tmpdir/scmroot/rust-git2_0.13'...
$ git fetch origin 39620e8cea8d80cd946300e5a88b8dc0bcbf727a:KOJI_FETCH_HEAD
From http://git.inferitos.ru/rpms/rust-git2_0.13
 * [new ref]         39620e8cea8d80cd946300e5a88b8dc0bcbf727a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 39620e8 import rust-git2_0.13-0.13.25-3.el9