| 1 | #!/usr/bin/env bash |
| 2 | |
| 3 | #### -A function prints functions |
| 4 | add () { expr 4 + 4; } |
| 5 | div () { expr 6 / 2; } |
| 6 | ek () { echo hello; } |
| 7 | __ec () { echo hi; } |
| 8 | _ab () { expr 10 % 3; } |
| 9 | compgen -A function |
| 10 | echo -- |
| 11 | compgen -A function _ |
| 12 | ## status: 0 |
| 13 | ## STDOUT: |
| 14 | __ec |
| 15 | _ab |
| 16 | add |
| 17 | div |
| 18 | ek |
| 19 | -- |
| 20 | __ec |
| 21 | _ab |
| 22 | ## END |
| 23 | |
| 24 | #### Invalid syntax |
| 25 | compgen -A foo |
| 26 | echo status=$? |
| 27 | ## stdout: status=2 |
| 28 | |
| 29 | #### how compgen calls completion functions |
| 30 | foo_complete() { |
| 31 | # first, cur, prev |
| 32 | argv.py argv "$@" |
| 33 | argv.py COMP_WORDS "${COMP_WORDS[@]}" |
| 34 | argv.py COMP_CWORD "${COMP_CWORD}" |
| 35 | argv.py COMP_LINE "${COMP_LINE}" |
| 36 | argv.py COMP_POINT "${COMP_POINT}" |
| 37 | #return 124 |
| 38 | COMPREPLY=(one two three) |
| 39 | } |
| 40 | compgen -F foo_complete foo a b c |
| 41 | ## STDOUT: |
| 42 | ['argv', 'compgen', 'foo', ''] |
| 43 | ['COMP_WORDS'] |
| 44 | ['COMP_CWORD', '-1'] |
| 45 | ['COMP_LINE', ''] |
| 46 | ['COMP_POINT', '0'] |
| 47 | one |
| 48 | two |
| 49 | three |
| 50 | ## END |
| 51 | |
| 52 | #### complete -o -F (git) |
| 53 | foo() { echo foo; } |
| 54 | wrapper=foo |
| 55 | complete -o default -o nospace -F $wrapper git |
| 56 | ## status: 0 |
| 57 | |
| 58 | #### compopt with invalid syntax |
| 59 | compopt -o invalid |
| 60 | echo status=$? |
| 61 | ## stdout: status=2 |
| 62 | |
| 63 | #### compopt fails when not in completion function |
| 64 | # NOTE: Have to be executing a completion function |
| 65 | compopt -o filenames +o nospace |
| 66 | ## status: 1 |
| 67 | |
| 68 | #### compgen -f on invalid dir |
| 69 | compgen -f /non-existing-dir/ |
| 70 | ## status: 1 |
| 71 | ## stdout-json: "" |
| 72 | |
| 73 | #### compgen -f |
| 74 | mkdir -p $TMP/compgen |
| 75 | touch $TMP/compgen/{one,two,three} |
| 76 | cd $TMP/compgen |
| 77 | compgen -f | sort |
| 78 | echo -- |
| 79 | compgen -f t | sort |
| 80 | ## STDOUT: |
| 81 | one |
| 82 | three |
| 83 | two |
| 84 | -- |
| 85 | three |
| 86 | two |
| 87 | ## END |
| 88 | |
| 89 | #### compgen -v with local vars |
| 90 | v1_global=0 |
| 91 | f() { |
| 92 | local v2_local=0 |
| 93 | compgen -v v |
| 94 | } |
| 95 | f |
| 96 | ## STDOUT: |
| 97 | v1_global |
| 98 | v2_local |
| 99 | ## END |
| 100 | |
| 101 | #### compgen -v on unknown var |
| 102 | compgen -v __nonexistent__ |
| 103 | ## status: 1 |
| 104 | ## stdout-json: "" |
| 105 | |
| 106 | #### compgen -v P |
| 107 | cd > /dev/null # for some reason in bash, this makes PIPESTATUS appear! |
| 108 | compgen -v P | grep -E '^PATH|PWD' | sort |
| 109 | ## STDOUT: |
| 110 | PATH |
| 111 | PWD |
| 112 | ## END |
| 113 | |
| 114 | #### compgen with actions: function / variable / file |
| 115 | mkdir -p $TMP/compgen2 |
| 116 | touch $TMP/compgen2/PA_FILE_{1,2} |
| 117 | cd $TMP/compgen2 # depends on previous test above! |
| 118 | PA_FUNC() { echo P; } |
| 119 | Q_FUNC() { echo Q; } |
| 120 | compgen -A function -A variable -A file PA |
| 121 | ## STDOUT: |
| 122 | PA_FUNC |
| 123 | PATH |
| 124 | PA_FILE_1 |
| 125 | PA_FILE_2 |
| 126 | ## END |
| 127 | |
| 128 | #### compgen with actions: alias, setopt |
| 129 | alias v_alias='ls' |
| 130 | alias v_alias2='ls' |
| 131 | alias a1='ls' |
| 132 | compgen -A alias -A setopt v |
| 133 | ## STDOUT: |
| 134 | v_alias |
| 135 | v_alias2 |
| 136 | verbose |
| 137 | vi |
| 138 | ## END |
| 139 | |
| 140 | #### compgen with actions: shopt |
| 141 | compgen -A shopt -P [ -S ] nu |
| 142 | ## STDOUT: |
| 143 | [nullglob] |
| 144 | ## END |
| 145 | |
| 146 | #### compgen with action and suffix: helptopic |
| 147 | compgen -A helptopic -S ___ fa |
| 148 | ## STDOUT: |
| 149 | false___ |
| 150 | ## END |
| 151 | |
| 152 | #### compgen -A directory |
| 153 | # omit portable-files.mk |
| 154 | compgen -A directory p |
| 155 | ## STDOUT: |
| 156 | pylib |
| 157 | ## END |
| 158 | |
| 159 | #### compgen -A file |
| 160 | compgen -A file b |
| 161 | ## STDOUT: |
| 162 | bin |
| 163 | benchmarks |
| 164 | build |
| 165 | ## END |
| 166 | |
| 167 | #### compgen -A user |
| 168 | # no assertion because this isn't hermetic |
| 169 | compgen -A user |
| 170 | ## status: 0 |
| 171 | |
| 172 | #### compgen -A command completes external commands |
| 173 | # NOTE: this test isn't hermetic |
| 174 | compgen -A command xarg |
| 175 | echo status=$? |
| 176 | ## STDOUT: |
| 177 | xargs |
| 178 | status=0 |
| 179 | ## END |
| 180 | |
| 181 | #### compgen -A command completes functions and aliases |
| 182 | my_func() { echo ; } |
| 183 | my_func2() { echo ; } |
| 184 | alias my_alias=foo |
| 185 | compgen -A command my_ |
| 186 | echo status=$? |
| 187 | ## STDOUT: |
| 188 | my_alias |
| 189 | my_func |
| 190 | my_func2 |
| 191 | status=0 |
| 192 | ## END |
| 193 | |
| 194 | #### compgen -A command completes builtins and keywords |
| 195 | compgen -A command eva |
| 196 | echo status=$? |
| 197 | compgen -A command whil |
| 198 | echo status=$? |
| 199 | ## STDOUT: |
| 200 | eval |
| 201 | status=0 |
| 202 | while |
| 203 | status=0 |
| 204 | ## END |
| 205 | |
| 206 | #### complete with nonexistent function |
| 207 | complete -F invalidZZ -D |
| 208 | echo status=$? |
| 209 | ## stdout: status=2 |
| 210 | ## BUG bash stdout: status=0 |
| 211 | |
| 212 | #### complete with no action |
| 213 | complete foo |
| 214 | echo status=$? |
| 215 | ## stdout: status=2 |
| 216 | ## BUG bash stdout: status=0 |
| 217 | |
| 218 | #### -o filenames and -o nospace have no effect with compgen |
| 219 | # they are POSTPROCESSING. |
| 220 | compgen -o filenames -o nospace -W 'bin build' |
| 221 | ## STDOUT: |
| 222 | bin |
| 223 | build |
| 224 | ## END |
| 225 | |
| 226 | #### -o plusdirs and -o dirnames with compgen |
| 227 | compgen -o plusdirs -W 'a b1 b2' b | sort |
| 228 | echo --- |
| 229 | compgen -o dirnames b | sort |
| 230 | ## STDOUT: |
| 231 | b1 |
| 232 | b2 |
| 233 | benchmarks |
| 234 | bin |
| 235 | build |
| 236 | --- |
| 237 | benchmarks |
| 238 | bin |
| 239 | build |
| 240 | ## END |
| 241 | |
| 242 | #### compgen -o default completes files and dirs |
| 243 | compgen -o default p |
| 244 | ## STDOUT: |
| 245 | portable-rules.mk |
| 246 | pylib |
| 247 | ## END |
| 248 | |
| 249 | #### compgen doesn't respect -X for user-defined functions |
| 250 | # WORKAROUND: wrap in bash -i -c because non-interactive bash behaves |
| 251 | # differently! |
| 252 | $SH -i -c ' |
| 253 | func() { |
| 254 | COMPREPLY=(one two three bin) |
| 255 | } |
| 256 | compgen -X "@(two|bin)" -F func |
| 257 | echo -- |
| 258 | compgen -X "!@(two|bin)" -F func |
| 259 | ' |
| 260 | ## STDOUT: |
| 261 | one |
| 262 | three |
| 263 | -- |
| 264 | two |
| 265 | bin |
| 266 | ## END |
| 267 | |
| 268 | #### compgen -W words -X filter |
| 269 | # WORKAROUND: wrap in bash -i -c because non-interactive bash behaves |
| 270 | # differently! |
| 271 | $SH -i -c 'compgen -X "@(two|bin)" -W "one two three bin"' |
| 272 | ## STDOUT: |
| 273 | one |
| 274 | three |
| 275 | ## END |
| 276 | |
| 277 | #### compgen -f -X filter -- $cur |
| 278 | abs_sh=$PWD/$SH |
| 279 | cd $TMP |
| 280 | touch spam.py spam.sh |
| 281 | compgen -f -- sp |
| 282 | echo -- |
| 283 | # WORKAROUND: wrap in bash -i -c because non-interactive bash behaves |
| 284 | # differently! |
| 285 | $abs_sh -i -c 'compgen -f -X "!*.@(py)" -- sp' |
| 286 | ## STDOUT: |
| 287 | spam.py |
| 288 | spam.sh |
| 289 | -- |
| 290 | spam.py |
| 291 | ## END |
| 292 | |
| 293 | #### compgen doesn't need shell quoting |
| 294 | # There is an obsolete comment in bash_completion that claims the opposite. |
| 295 | cd $TMP |
| 296 | touch 'foo bar' |
| 297 | touch "foo'bar" |
| 298 | compgen -f "foo b" |
| 299 | compgen -f "foo'" |
| 300 | ## STDOUT: |
| 301 | foo bar |
| 302 | foo'bar |
| 303 | ## END |
| 304 | |
| 305 | #### compgen -W 'one two three' |
| 306 | compgen -W 'one two three' |
| 307 | echo -- |
| 308 | compgen -W 'w1 w2 three' -A directory w |
| 309 | echo -- |
| 310 | compgen -A directory -W 'w1 w2 three' w # order doesn't matter |
| 311 | ## STDOUT: |
| 312 | one |
| 313 | two |
| 314 | three |
| 315 | -- |
| 316 | web |
| 317 | w1 |
| 318 | w2 |
| 319 | -- |
| 320 | web |
| 321 | w1 |
| 322 | w2 |
| 323 | ## END |
| 324 | |
| 325 | #### compgen -W evaluates code in $() |
| 326 | IFS=':%' |
| 327 | compgen -W '$(echo "spam:eggs%ham cheese")' |
| 328 | ## STDOUT: |
| 329 | spam |
| 330 | eggs |
| 331 | ham cheese |
| 332 | ## END |
| 333 | |
| 334 | #### compgen -W uses IFS, and delimiters are escaped with \ |
| 335 | IFS=':%' |
| 336 | compgen -W 'spam:eggs%ham cheese\:colon' |
| 337 | ## STDOUT: |
| 338 | spam |
| 339 | eggs |
| 340 | ham cheese:colon |
| 341 | ## END |
| 342 | |
| 343 | #### Parse errors for compgen -W and complete -W |
| 344 | # bash doesn't detect as many errors because it lacks static parsing. |
| 345 | compgen -W '${' |
| 346 | echo status=$? |
| 347 | complete -W '${' foo |
| 348 | echo status=$? |
| 349 | ## STDOUT: |
| 350 | status=2 |
| 351 | status=2 |
| 352 | ## END |
| 353 | ## BUG bash STDOUT: |
| 354 | status=1 |
| 355 | status=0 |
| 356 | ## END |
| 357 | |
| 358 | #### Runtime errors for compgen -W |
| 359 | compgen -W 'foo $(( 1 / 0 )) bar' |
| 360 | echo status=$? |
| 361 | ## STDOUT: |
| 362 | status=1 |
| 363 | ## END |
| 364 | |
| 365 | #### Runtime errors for compgen -F func |
| 366 | _foo() { |
| 367 | COMPREPLY=( foo bar ) |
| 368 | COMPREPLY+=( $(( 1 / 0 )) ) # FATAL, but we still have candidates |
| 369 | } |
| 370 | compgen -F _foo foo |
| 371 | echo status=$? |
| 372 | ## STDOUT: |
| 373 | status=1 |
| 374 | ## END |
| 375 | |
| 376 | #### compgen -W '' cmd is not a usage error |
| 377 | # Bug fix due to '' being falsey in Python |
| 378 | compgen -W '' -- foo |
| 379 | echo status=$? |
| 380 | ## stdout: status=1 |