Add machine-readable output tips to the abra cheat sheet
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@ -50,3 +50,29 @@ flags: `-p/--publish`, `-r/--dry-run`, `-x,y,z`
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- deploy the changed version to your test instance
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- determine how serious your change is (semver.org for reference)
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- `abra recipe release $RECIPE [$VERSION]`
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### Advanced Listing using `jq`
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Several `abra` commands can output JSON formatted tables, and can thus be queried and filtered with the tool [jq](https://stedolan.github.io/jq/ "jq JSON Query tool"). We can also format these outputs with [tv](https://github.com/uzimaru0000/tv "tv Table Viewer") into a pretty table.
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Currently, `abra recipe ls`, `abra server ls`, and `abra app ls` support the `-m` machine readable output flag which outputs JSON.
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#### Filter recipes by "category"
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`abra recipe ls -m | jq '[.[] | select(.category == "Utilities") ]' | tv`
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As you can see we, we're selecting all recipes where category is "Utilities".
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#### Filter apps by state `deployed`
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Note! `abra app ls -S` queries each server in your added server list, where as without the `-S` it only lists from your local copy of the sever files (thus providing no information about actual state of the apps)
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Note 2! `abra app ls` lists apps grouped into a server object, with statistics about the server. In `jq` we can select the entire apps list with `.[].apps[]`.
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`abra app ls -m -S |jq '[.[].apps[] | select(.status == "deployed") | del(.upgrade)]' |tv`
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The `del(.upgrade)` filter filters out available versions for the recipe in question for that row. It could be useful to leave in if you want a list of deployed apps that need an upgrade.
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