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#!/usr/bin/env bash |
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|
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#### -A function prints functions |
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add () { expr 4 + 4; } |
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div () { expr 6 / 2; } |
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ek () { echo hello; } |
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__ec () { echo hi; } |
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_ab () { expr 10 % 3; } |
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compgen -A function |
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echo -- |
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compgen -A function _ |
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## status: 0 |
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## STDOUT: |
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__ec |
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_ab |
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add |
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div |
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ek |
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-- |
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__ec |
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_ab |
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## END |
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|
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#### Invalid syntax |
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compgen -A foo |
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echo status=$? |
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## stdout: status=2 |
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|
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#### how compgen calls completion functions |
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foo_complete() { |
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# first, cur, prev |
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argv.py argv "$@" |
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argv.py COMP_WORDS "${COMP_WORDS[@]}" |
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argv.py COMP_CWORD "${COMP_CWORD}" |
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argv.py COMP_LINE "${COMP_LINE}" |
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argv.py COMP_POINT "${COMP_POINT}" |
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#return 124 |
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COMPREPLY=(one two three) |
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} |
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compgen -F foo_complete foo a b c |
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## STDOUT: |
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['argv', 'compgen', 'foo', ''] |
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['COMP_WORDS'] |
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['COMP_CWORD', '-1'] |
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['COMP_LINE', ''] |
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['COMP_POINT', '0'] |
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one |
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two |
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three |
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## END |
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|
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#### complete -o -F (git) |
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foo() { echo foo; } |
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wrapper=foo |
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complete -o default -o nospace -F $wrapper git |
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## status: 0 |
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|
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#### compopt with invalid syntax |
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compopt -o invalid |
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echo status=$? |
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## stdout: status=2 |
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|
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#### compopt fails when not in completion function |
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# NOTE: Have to be executing a completion function |
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compopt -o filenames +o nospace |
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## status: 1 |
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|
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#### compgen -f on invalid dir |
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compgen -f /non-existing-dir/ |
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## status: 1 |
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## stdout-json: "" |
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|
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#### compgen -f |
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mkdir -p $TMP/compgen |
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touch $TMP/compgen/{one,two,three} |
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cd $TMP/compgen |
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compgen -f | sort |
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echo -- |
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compgen -f t | sort |
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## STDOUT: |
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one |
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three |
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two |
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-- |
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three |
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two |
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## END |
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|
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#### compgen -v with local vars |
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v1_global=0 |
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f() { |
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local v2_local=0 |
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compgen -v v |
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} |
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f |
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## STDOUT: |
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v1_global |
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v2_local |
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## END |
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|
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#### compgen -v on unknown var |
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compgen -v __nonexistent__ |
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## status: 1 |
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## stdout-json: "" |
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|
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#### compgen -v P |
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cd > /dev/null # for some reason in bash, this makes PIPESTATUS appear! |
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compgen -v P | grep -E '^PATH|PWD' | sort |
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## STDOUT: |
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PATH |
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PWD |
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## END |
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|
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#### compgen with actions: function / variable / file |
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mkdir -p $TMP/compgen2 |
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touch $TMP/compgen2/{PA,Q}_FILE |
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cd $TMP/compgen2 # depends on previous test above! |
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PA_FUNC() { echo P; } |
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Q_FUNC() { echo Q; } |
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compgen -A function -A variable -A file PA |
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## STDOUT: |
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PA_FUNC |
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PATH |
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PA_FILE |
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## END |
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|
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#### compgen with actions: alias, setopt |
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alias v_alias='ls' |
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alias v_alias2='ls' |
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alias a1='ls' |
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compgen -A alias -A setopt v |
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## STDOUT: |
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v_alias |
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v_alias2 |
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verbose |
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vi |
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## END |
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|
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#### compgen with actions: shopt |
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compgen -A shopt -P [ -S ] nu |
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## STDOUT: |
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[nullglob] |
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## END |
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|
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#### compgen with action and suffix: helptopic |
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compgen -A helptopic -S ___ fa |
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## STDOUT: |
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false___ |
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## END |
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|
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#### compgen -A directory |
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# omit portable-files.mk |
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cd $REPO_ROOT |
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compgen -A directory p | sort |
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## STDOUT: |
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pgen2 |
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pylib |
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py-yajl |
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## END |
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|
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#### compgen -A file |
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cd $REPO_ROOT |
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compgen -A file b | sort |
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## STDOUT: |
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benchmarks |
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bin |
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build |
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## END |
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|
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#### compgen -A user |
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# no assertion because this isn't hermetic |
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compgen -A user |
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## status: 0 |
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|
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#### compgen -A command completes external commands |
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# NOTE: this test isn't hermetic |
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compgen -A command xarg | uniq |
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echo status=$? |
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## STDOUT: |
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xargs |
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status=0 |
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## END |
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|
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#### compgen -A command completes functions and aliases |
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my_func() { echo ; } |
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my_func2() { echo ; } |
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alias my_alias=foo |
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compgen -A command my_ |
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echo status=$? |
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## STDOUT: |
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my_alias |
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my_func |
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my_func2 |
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status=0 |
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## END |
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|
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#### compgen -A command completes builtins and keywords |
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compgen -A command eva |
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echo status=$? |
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compgen -A command whil |
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echo status=$? |
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## STDOUT: |
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eval |
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status=0 |
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while |
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status=0 |
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## END |
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|
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#### complete with nonexistent function |
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complete -F invalidZZ -D |
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echo status=$? |
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## stdout: status=2 |
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## BUG bash stdout: status=0 |
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|
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#### complete with no action |
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complete foo |
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echo status=$? |
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## stdout: status=2 |
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## BUG bash stdout: status=0 |
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|
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#### -o filenames and -o nospace have no effect with compgen |
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# they are POSTPROCESSING. |
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compgen -o filenames -o nospace -W 'bin build' |
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## STDOUT: |
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bin |
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build |
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## END |
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|
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#### -o plusdirs and -o dirnames with compgen |
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cd $REPO_ROOT |
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compgen -o plusdirs -W 'a b1 b2' b | sort |
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echo --- |
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compgen -o dirnames b | sort |
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## STDOUT: |
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b1 |
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b2 |
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benchmarks |
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bin |
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build |
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--- |
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benchmarks |
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bin |
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build |
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## END |
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|
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#### compgen -o default completes files and dirs |
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cd $REPO_ROOT |
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compgen -o default spec/t | sort |
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## STDOUT: |
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spec/testdata |
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spec/tilde.test.sh |
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spec/type-compat.test.sh |
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## END |
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|
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#### compgen doesn't respect -X for user-defined functions |
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# WORKAROUND: wrap in bash -i -c because non-interactive bash behaves |
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# differently! |
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case $SH in |
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*bash|*osh) |
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$SH --rcfile /dev/null -i -c ' |
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shopt -s extglob |
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fun() { |
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COMPREPLY=(one two three bin) |
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} |
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compgen -X "@(two|bin)" -F fun |
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echo -- |
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compgen -X "!@(two|bin)" -F fun |
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' |
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esac |
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## STDOUT: |
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one |
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three |
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-- |
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two |
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bin |
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## END |
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|
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#### compgen -W words -X filter |
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# WORKAROUND: wrap in bash -i -c because non-interactive bash behaves |
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# differently! |
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case $SH in |
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*bash|*osh) |
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$SH --rcfile /dev/null -i -c 'shopt -s extglob; compgen -X "@(two|bin)" -W "one two three bin"' |
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esac |
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## STDOUT: |
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one |
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three |
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## END |
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|
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#### compgen -f -X filter -- $cur |
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cd $TMP |
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touch spam.py spam.sh |
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compgen -f -- sp | sort |
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echo -- |
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# WORKAROUND: wrap in bash -i -c because non-interactive bash behaves |
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# differently! |
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case $SH in |
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*bash|*osh) |
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$SH --rcfile /dev/null -i -c 'shopt -s extglob; compgen -f -X "!*.@(py)" -- sp' |
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esac |
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## STDOUT: |
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spam.py |
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spam.sh |
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-- |
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spam.py |
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## END |
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|
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#### compgen doesn't need shell quoting |
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# There is an obsolete comment in bash_completion that claims the opposite. |
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cd $TMP |
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touch 'foo bar' |
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touch "foo'bar" |
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compgen -f "foo b" |
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compgen -f "foo'" |
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## STDOUT: |
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foo bar |
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foo'bar |
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## END |
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|
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#### compgen -W 'one two three' |
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cd $REPO_ROOT |
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compgen -W 'one two three' |
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echo -- |
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compgen -W 'w1 w2 three' -A directory w |
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echo -- |
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compgen -A directory -W 'w1 w2 three' w # order doesn't matter |
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## STDOUT: |
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one |
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two |
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three |
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-- |
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web |
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w1 |
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w2 |
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-- |
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web |
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w1 |
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w2 |
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## END |
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|
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#### compgen -W evaluates code in $() |
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IFS=':%' |
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compgen -W '$(echo "spam:eggs%ham cheese")' |
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## STDOUT: |
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spam |
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eggs |
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ham cheese |
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## END |
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|
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#### compgen -W uses IFS, and delimiters are escaped with \ |
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IFS=':%' |
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compgen -W 'spam:eggs%ham cheese\:colon' |
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## STDOUT: |
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spam |
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eggs |
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ham cheese:colon |
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## END |
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|
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#### Parse errors for compgen -W and complete -W |
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# bash doesn't detect as many errors because it lacks static parsing. |
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compgen -W '${' |
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echo status=$? |
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complete -W '${' foo |
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echo status=$? |
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## STDOUT: |
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status=2 |
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status=2 |
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## END |
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## BUG bash STDOUT: |
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status=1 |
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status=0 |
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## END |
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|
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#### Runtime errors for compgen -W |
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compgen -W 'foo $(( 1 / 0 )) bar' |
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echo status=$? |
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## STDOUT: |
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status=1 |
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## END |
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|
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#### Runtime errors for compgen -F func |
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_foo() { |
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COMPREPLY=( foo bar ) |
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COMPREPLY+=( $(( 1 / 0 )) ) # FATAL, but we still have candidates |
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} |
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compgen -F _foo foo |
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echo status=$? |
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## STDOUT: |
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status=1 |
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## END |
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|
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#### compgen -W '' cmd is not a usage error |
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# Bug fix due to '' being falsey in Python |
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compgen -W '' -- foo |
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echo status=$? |
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## stdout: status=1 |