Vanessasaurus 746081e933 adding spack -c to set one off config arguments (#22251) ... This pull request will add the ability for a user to add a configuration argument on the fly, on the command line, e.g.,: ```bash $ spack -c config:install_tree:root:/path/to/config.yaml -c packages:all:compiler:[gcc] list --help ``` The above command doesn't do anything (I'm just getting help for list) but you can imagine having another root of packages, and updating it on the fly for a command (something I'd like to do in the near future!) I've moved the logic for config_add that used to be in spack/cmd/config.py into spack/config.py proper, and now both the main.py (where spack commands live) and spack/cmd/config.py use these functions. I only needed spack config add, so I didn't move the others. We can move the others if there are also needed in multiple places.		2021-03-13 05:31:26 +00:00
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spack	adding spack -c to set one off config arguments (#22251)	2021-03-13 05:31:26 +00:00