$ git clone -n https://github.com/xcp-ng-rpms/xs-opam-repo /var/lib/mock/v8.3-u-ydi1-7951-23033/root/chroot_tmpdir/scmroot/xs-opam-repo
Cloning into '/var/lib/mock/v8.3-u-ydi1-7951-23033/root/chroot_tmpdir/scmroot/xs-opam-repo'...
$ git reset --hard 85f74341af4708725e7b3fafaa8f1359f8986aa4
Downloading SOURCES/xs-opam-repo-6.86.0.tar.gz (22 MB)
HEAD is now at 85f7434 fixup! Temporary version check for XAPI build