$ git clone -n https://github.com/xcp-ng-rpms/devtoolset-11-gcc.git /var/lib/mock/v8.3-u-stormi1-5889-11017/root/chroot_tmpdir/scmroot/devtoolset-11-gcc
Cloning into '/var/lib/mock/v8.3-u-stormi1-5889-11017/root/chroot_tmpdir/scmroot/devtoolset-11-gcc'...
$ git reset --hard 75f910e3ace10ea7b45842eca5257609db87e15e
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HEAD is now at 75f910e Merge branch 'XS-8.3'