$ git clone -n https://src.fedoraproject.org/rpms/rust-async-std.git /var/lib/mock/epel10.0-build-59076370-6570859/root/chroot_tmpdir/scmroot/rust-async-std
Cloning into '/var/lib/mock/epel10.0-build-59076370-6570859/root/chroot_tmpdir/scmroot/rust-async-std'...
$ git fetch origin a9652a2d7190a9f89231cc71d61353c304e036b0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-async-std
 * [new ref]         a9652a2d7190a9f89231cc71d61353c304e036b0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a9652a2 Update to version 1.13.1; Fixes RHBZ#2352739