| 1 | # xtrace test. Test PS4 and line numbers, etc.
|
| 2 |
|
| 3 | ## oils_failures_allowed: 1
|
| 4 | ## compare_shells: bash dash mksh
|
| 5 |
|
| 6 | #### unset PS4
|
| 7 | case $SH in dash) echo 'weird bug'; exit ;; esac
|
| 8 |
|
| 9 | set -x
|
| 10 | echo 1
|
| 11 | unset PS4
|
| 12 | echo 2
|
| 13 | ## STDOUT:
|
| 14 | 1
|
| 15 | 2
|
| 16 | ## STDERR:
|
| 17 | + echo 1
|
| 18 | + unset PS4
|
| 19 | echo 2
|
| 20 | ## END
|
| 21 |
|
| 22 | ## BUG dash STDOUT:
|
| 23 | weird bug
|
| 24 | ## END
|
| 25 | ## BUG dash STDERR:
|
| 26 | ## END
|
| 27 |
|
| 28 | #### set -o verbose prints unevaluated code
|
| 29 | set -o verbose
|
| 30 | x=foo
|
| 31 | y=bar
|
| 32 | echo $x
|
| 33 | echo $(echo $y)
|
| 34 | ## STDOUT:
|
| 35 | foo
|
| 36 | bar
|
| 37 | ## STDERR:
|
| 38 | x=foo
|
| 39 | y=bar
|
| 40 | echo $x
|
| 41 | echo $(echo $y)
|
| 42 | ## OK bash STDERR:
|
| 43 | x=foo
|
| 44 | y=bar
|
| 45 | echo $x
|
| 46 | echo $(echo $y)
|
| 47 | ## END
|
| 48 |
|
| 49 | #### xtrace with unprintable chars
|
| 50 | case $SH in (dash) exit ;; esac
|
| 51 |
|
| 52 | s=$'a\x03b\004c\x00d'
|
| 53 | set -o xtrace
|
| 54 | echo "$s"
|
| 55 | ## stdout-repr: 'a\x03b\x04c\x00d\n'
|
| 56 | ## STDERR:
|
| 57 | + echo $'a\u0003b\u0004c\u0000d'
|
| 58 | ## END
|
| 59 | ## OK bash stdout-repr: 'a\x03b\x04c\n'
|
| 60 | ## OK bash stderr-repr: "+ echo $'a\\003b\\004c'\n"
|
| 61 |
|
| 62 | # nonsensical output?
|
| 63 | ## BUG mksh stdout-repr: 'a;\x04c\r\n'
|
| 64 | ## BUG mksh stderr-repr: "+ echo $'a;\\004c\\r'\n"
|
| 65 | ## N-I dash stdout-json: ""
|
| 66 | ## N-I dash stderr-json: ""
|
| 67 |
|
| 68 | #### xtrace with unicode chars
|
| 69 | case $SH in (dash) exit ;; esac
|
| 70 |
|
| 71 | mu1='[μ]'
|
| 72 | mu2=$'[\u03bc]'
|
| 73 |
|
| 74 | set -o xtrace
|
| 75 | echo "$mu1" "$mu2"
|
| 76 |
|
| 77 | ## STDOUT:
|
| 78 | [μ] [μ]
|
| 79 | ## END
|
| 80 | ## STDERR:
|
| 81 | + echo '[μ]' '[μ]'
|
| 82 | ## END
|
| 83 | ## N-I dash stdout-json: ""
|
| 84 | ## N-I dash stderr-json: ""
|
| 85 |
|
| 86 | #### xtrace with paths
|
| 87 | set -o xtrace
|
| 88 | echo my-dir/my_file.cc
|
| 89 | ## STDOUT:
|
| 90 | my-dir/my_file.cc
|
| 91 | ## END
|
| 92 | ## STDERR:
|
| 93 | + echo my-dir/my_file.cc
|
| 94 | ## END
|
| 95 |
|
| 96 | #### xtrace with tabs
|
| 97 | case $SH in (dash) exit ;; esac
|
| 98 |
|
| 99 | set -o xtrace
|
| 100 | echo $'[\t]'
|
| 101 | ## stdout-json: "[\t]\n"
|
| 102 | ## STDERR:
|
| 103 | + echo $'[\t]'
|
| 104 | ## END
|
| 105 | # this is a bug because it's hard to see
|
| 106 | ## BUG bash stderr-json: "+ echo '[\t]'\n"
|
| 107 | ## N-I dash stdout-json: ""
|
| 108 | ## N-I dash stderr-json: ""
|
| 109 |
|
| 110 | #### xtrace with whitespace, quotes, and backslash
|
| 111 | set -o xtrace
|
| 112 | echo '1 2' \' \" \\
|
| 113 | ## STDOUT:
|
| 114 | 1 2 ' " \
|
| 115 | ## END
|
| 116 |
|
| 117 | # YSH is different because backslashes require $'\\' and not '\', but that's OK
|
| 118 | ## STDERR:
|
| 119 | + echo '1 2' $'\'' '"' $'\\'
|
| 120 | ## END
|
| 121 |
|
| 122 | ## OK bash/mksh STDERR:
|
| 123 | + echo '1 2' \' '"' '\'
|
| 124 | ## END
|
| 125 |
|
| 126 | ## BUG dash STDERR:
|
| 127 | + echo 1 2 ' " \
|
| 128 | ## END
|
| 129 |
|
| 130 | #### xtrace with newlines
|
| 131 | # bash and dash trace this badly. They print literal newlines, which I don't
|
| 132 | # want.
|
| 133 | set -x
|
| 134 | echo $'[\n]'
|
| 135 | ## STDOUT:
|
| 136 | [
|
| 137 | ]
|
| 138 | ## STDERR:
|
| 139 | + echo $'[\n]'
|
| 140 | ## END
|
| 141 | # bash has ugly output that spans lines
|
| 142 | ## OK bash STDERR:
|
| 143 | + echo '[
|
| 144 | ]'
|
| 145 | ## END
|
| 146 | ## N-I dash stdout-json: "$[\n]\n"
|
| 147 | ## N-I dash stderr-json: "+ echo $[\\n]\n"
|
| 148 |
|
| 149 | #### xtrace written before command executes
|
| 150 | set -x
|
| 151 | echo one >&2
|
| 152 | echo two >&2
|
| 153 | ## stdout-json: ""
|
| 154 | ## STDERR:
|
| 155 | + echo one
|
| 156 | one
|
| 157 | + echo two
|
| 158 | two
|
| 159 | ## OK mksh STDERR:
|
| 160 | # mksh traces redirects!
|
| 161 | + >&2
|
| 162 | + echo one
|
| 163 | one
|
| 164 | + >&2
|
| 165 | + echo two
|
| 166 | two
|
| 167 | ## END
|
| 168 |
|
| 169 | #### Assignments and assign builtins
|
| 170 | set -x
|
| 171 | x=1 x=2; echo $x; readonly x=3
|
| 172 | ## STDOUT:
|
| 173 | 2
|
| 174 | ## END
|
| 175 | ## STDERR:
|
| 176 | + x=1
|
| 177 | + x=2
|
| 178 | + echo 2
|
| 179 | + readonly x=3
|
| 180 | ## END
|
| 181 | ## OK dash STDERR:
|
| 182 | + x=1 x=2
|
| 183 | + echo 2
|
| 184 | + readonly x=3
|
| 185 | ## END
|
| 186 | ## OK dash STDERR:
|
| 187 | + x=1 x=2
|
| 188 | + echo 2
|
| 189 | + readonly x=3
|
| 190 | ## END
|
| 191 | ## OK bash STDERR:
|
| 192 | + x=1
|
| 193 | + x=2
|
| 194 | + echo 2
|
| 195 | + readonly x=3
|
| 196 | + x=3
|
| 197 | ## END
|
| 198 | ## OK mksh STDERR:
|
| 199 | + x=1 x=2
|
| 200 | + echo 2
|
| 201 | + readonly 'x=3'
|
| 202 | ## END
|
| 203 |
|
| 204 | #### [[ ]]
|
| 205 | case $SH in (dash|mksh) exit ;; esac
|
| 206 |
|
| 207 | set -x
|
| 208 |
|
| 209 | dir=/
|
| 210 | if [[ -d $dir ]]; then
|
| 211 | (( a = 42 ))
|
| 212 | fi
|
| 213 | ## stdout-json: ""
|
| 214 | ## STDERR:
|
| 215 | + dir=/
|
| 216 | + [[ -d $dir ]]
|
| 217 | + (( a = 42 ))
|
| 218 | ## END
|
| 219 | ## OK bash STDERR:
|
| 220 | + dir=/
|
| 221 | + [[ -d / ]]
|
| 222 | + (( a = 42 ))
|
| 223 | ## END
|
| 224 | ## N-I dash/mksh stderr-json: ""
|
| 225 |
|
| 226 | #### PS4 is scoped
|
| 227 | set -x
|
| 228 | echo one
|
| 229 | f() {
|
| 230 | local PS4='- '
|
| 231 | echo func;
|
| 232 | }
|
| 233 | f
|
| 234 | echo two
|
| 235 | ## STDERR:
|
| 236 | + echo one
|
| 237 | + f
|
| 238 | + local 'PS4=- '
|
| 239 | - echo func
|
| 240 | + echo two
|
| 241 | ## END
|
| 242 | ## OK osh STDERR:
|
| 243 | + echo one
|
| 244 | + f
|
| 245 | + local PS4='- '
|
| 246 | - echo func
|
| 247 | + echo two
|
| 248 | ## END
|
| 249 | ## OK dash STDERR:
|
| 250 | # dash loses information about spaces! There is a trailing space, but you
|
| 251 | # can't see it.
|
| 252 | + echo one
|
| 253 | + f
|
| 254 | + local PS4=-
|
| 255 | - echo func
|
| 256 | + echo two
|
| 257 | ## END
|
| 258 | ## OK mksh STDERR:
|
| 259 | # local gets turned into typeset
|
| 260 | + echo one
|
| 261 | + f
|
| 262 | + typeset 'PS4=- '
|
| 263 | - echo func
|
| 264 | + echo two
|
| 265 | ## END
|
| 266 |
|
| 267 | #### xtrace with variables in PS4
|
| 268 | PS4='+$x:'
|
| 269 | set -o xtrace
|
| 270 | x=1
|
| 271 | echo one
|
| 272 | x=2
|
| 273 | echo two
|
| 274 | ## STDOUT:
|
| 275 | one
|
| 276 | two
|
| 277 | ## END
|
| 278 |
|
| 279 | ## STDERR:
|
| 280 | +:x=1
|
| 281 | +1:echo one
|
| 282 | +1:x=2
|
| 283 | +2:echo two
|
| 284 | ## END
|
| 285 |
|
| 286 | ## OK mksh STDERR:
|
| 287 | # mksh has trailing spaces
|
| 288 | +:x=1
|
| 289 | +1:echo one
|
| 290 | +1:x=2
|
| 291 | +2:echo two
|
| 292 | ## END
|
| 293 |
|
| 294 | ## OK osh/dash STDERR:
|
| 295 | # the PS4 string is evaluated AFTER the variable is set. That's OK
|
| 296 | +1:x=1
|
| 297 | +1:echo one
|
| 298 | +2:x=2
|
| 299 | +2:echo two
|
| 300 | ## END
|
| 301 |
|
| 302 | #### PS4 with unterminated ${
|
| 303 | # osh shows inline error; maybe fail like dash/mksh?
|
| 304 | x=1
|
| 305 | PS4='+${x'
|
| 306 | set -o xtrace
|
| 307 | echo one
|
| 308 | echo status=$?
|
| 309 | ## STDOUT:
|
| 310 | one
|
| 311 | status=0
|
| 312 | ## END
|
| 313 | # mksh and dash both fail. bash prints errors to stderr.
|
| 314 | ## OK dash stdout-json: ""
|
| 315 | ## OK dash status: 2
|
| 316 | ## OK mksh stdout-json: ""
|
| 317 | ## OK mksh status: 1
|
| 318 |
|
| 319 | #### PS4 with unterminated $(
|
| 320 | # osh shows inline error; maybe fail like dash/mksh?
|
| 321 | x=1
|
| 322 | PS4='+$(x'
|
| 323 | set -o xtrace
|
| 324 | echo one
|
| 325 | echo status=$?
|
| 326 | ## STDOUT:
|
| 327 | one
|
| 328 | status=0
|
| 329 | ## END
|
| 330 | # mksh and dash both fail. bash prints errors to stderr.
|
| 331 | ## OK dash stdout-json: ""
|
| 332 | ## OK dash status: 2
|
| 333 | ## OK mksh stdout-json: ""
|
| 334 | ## OK mksh status: 1
|
| 335 |
|
| 336 | #### PS4 with runtime error
|
| 337 | # osh shows inline error; maybe fail like dash/mksh?
|
| 338 | x=1
|
| 339 | PS4='+oops $(( 1 / 0 )) \$'
|
| 340 | set -o xtrace
|
| 341 | echo one
|
| 342 | echo status=$?
|
| 343 | ## STDOUT:
|
| 344 | one
|
| 345 | status=0
|
| 346 | ## END
|
| 347 | # mksh and dash both fail. bash prints errors to stderr.
|
| 348 | ## OK dash stdout-json: ""
|
| 349 | ## OK dash status: 2
|
| 350 | ## OK mksh stdout-json: ""
|
| 351 | ## OK mksh status: 1
|
| 352 |
|
| 353 |
|
| 354 | #### Reading $? in PS4
|
| 355 | PS4='[last=$?] '
|
| 356 | set -x
|
| 357 | false
|
| 358 | echo ok
|
| 359 | ## STDOUT:
|
| 360 | ok
|
| 361 | ## END
|
| 362 | ## STDERR:
|
| 363 | [last=0] false
|
| 364 | [last=1] echo ok
|
| 365 | ## END
|
| 366 | ## OK osh STDERR:
|
| 367 | [last=0] 'false'
|
| 368 | [last=1] echo ok
|
| 369 | ## END
|