$ git clone -n https://gitee.com/src-opencloudos-rpms/gcc-toolset-15-gcc.git /var/lib/mock/dist-oc8-build-229861-81401/root/chroot_tmpdir/scmroot/gcc-toolset-15-gcc
Cloning into '/var/lib/mock/dist-oc8-build-229861-81401/root/chroot_tmpdir/scmroot/gcc-toolset-15-gcc'...
$ git fetch origin 9280e55bbbf964e02804bafb610467657fa4121e:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/gcc-toolset-15-gcc
 * [new ref]         9280e55bbbf964e02804bafb610467657fa4121e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9280e55 import gcc-toolset-15-gcc-15.1.1-2.3.tl3