fatal: update_ref failed for ref 'ORIG_HEAD': cannot lock ref 'ORIG_HEAD': Unable to create '/lustre/cv/sw/casa/casaci/data/casatestdata/.git/ORIG_HEAD.lock': File exists.

Another git process seems to be running in this repository, e.g.
an editor opened by 'git commit'. Please make sure all processes
are terminated then try again. If it still fails, a git process
may have crashed in this repository earlier:
remove the file manually to continue.
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  0     0    0     0    0     0      0      0 --:--:-- --:--:-- --:--:--     0
100 6002k  100 6002k    0     0  83.7M      0 --:--:-- --:--:-- --:--:-- 83.7M
Cloning into 'casa-build-utils'...
Cloning into 'casa6'...
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Updating files: 100% (9315/9315), done.
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
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  0     0    0     0    0     0      0      0 --:--:-- --:--:-- --:--:--     0
100   669    0   669    0     0  35210      0 --:--:-- --:--:-- --:--:-- 35210