Scott Wittenburg bf90cdd6c7 Document pipeline keys which can be global but overridden ... Update pipelines documentation to describe how 'tags', 'variables', 'image', 'before_script', 'script', and 'after_script' can be supplied at the top level, to be used by any of the runner mappings, and also overridden by any of the runner mappings. Also show an example of capturing the custom spack SHA at pipeline generation time, so all jobs are sure to run with the same version of spack, as a means to illustrate the $env:VARIABLE_NAME syntax.		2020-09-14 10:37:42 -06:00
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spack	Document pipeline keys which can be global but overridden	2020-09-14 10:37:42 -06:00