$ git clone -n https://gitee.com/src-anolis-os/libunistring.git /var/lib/mock//dist-an23.3-riscv64-gcc14-build-479881-74227/root/chroot_tmpdir/scmroot/libunistring
Cloning into '/var/lib/mock//dist-an23.3-riscv64-gcc14-build-479881-74227/root/chroot_tmpdir/scmroot/libunistring'...
$ git fetch origin a23:KOJI_FETCH_HEAD
From https://gitee.com/src-anolis-os/libunistring
 * [new branch]      a23        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c662eaa change spec file format