$ git clone -n https://gitee.com/zhuzhustu/kexec-tools_1.git /var/lib/mock/dist-an23-build-538828-83799/root/chroot_tmpdir/scmroot/kexec-tools_1
Cloning into '/var/lib/mock/dist-an23-build-538828-83799/root/chroot_tmpdir/scmroot/kexec-tools_1'...
$ git fetch origin cf6638a3f42fdce88713a67c912f3d5c3697da5b:KOJI_FETCH_HEAD
From https://gitee.com/zhuzhustu/kexec-tools_1
 * [new ref]         cf6638a3f42fdce88713a67c912f3d5c3697da5b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cf6638a [BUG]Add modprobe.blacklist=nouveau in kdump.sysconfig