$ git clone -n https://gitee.com/src-opencloudos-rpms/gcc-toolset-15-gdb.git /var/lib/mock/dist-oc8-build-229787-81396/root/chroot_tmpdir/scmroot/gcc-toolset-15-gdb
Cloning into '/var/lib/mock/dist-oc8-build-229787-81396/root/chroot_tmpdir/scmroot/gcc-toolset-15-gdb'...
$ git fetch origin f37499fb731f413cc8d71bd60d8fcd2cf25983aa:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/gcc-toolset-15-gdb
 * [new ref]         f37499fb731f413cc8d71bd60d8fcd2cf25983aa -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f37499f import gcc-toolset-15-gdb-16.3-1.tl3