$ git clone -n https://gitee.com/happy_orange/gcc.git /var/lib/mock/dist-an23-build-191010-60791/root/chroot_tmpdir/scmroot/gcc
Cloning into '/var/lib/mock/dist-an23-build-191010-60791/root/chroot_tmpdir/scmroot/gcc'...
$ git fetch origin 94529c75d179fb0ffe0b638bbb1ed7bfa3cf96a6:KOJI_FETCH_HEAD
From https://gitee.com/happy_orange/gcc
 * [new ref]         94529c75d179fb0ffe0b638bbb1ed7bfa3cf96a6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
Updating files:  20% (4/20)
Updating files:  25% (5/20)
Updating files:  30% (6/20)
Updating files:  35% (7/20)
Updating files:  40% (8/20)
Updating files:  45% (9/20)
Updating files:  50% (10/20)
Updating files:  55% (11/20)
Updating files:  60% (12/20)
Updating files:  65% (13/20)
Updating files:  70% (14/20)
Updating files:  75% (15/20)
Updating files:  80% (16/20)
Updating files:  85% (17/20)
Updating files:  90% (18/20)
Updating files:  95% (19/20)
Updating files: 100% (20/20)
Updating files: 100% (20/20), done.
HEAD is now at 94529c7 update to 12.2.1