| 1 | ## compare_shells: dash bash mksh zsh ash
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| 2 | ## oils_failures_allowed: 3
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| 3 | ## oils_cpp_failures_allowed: 3
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| 4 |
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| 5 | #### cd and $PWD
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| 6 | cd /
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| 7 | echo $PWD
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| 8 | ## stdout: /
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| 9 |
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| 10 | #### cd BAD/..
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| 11 |
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| 12 | # Odd divergence in shells: dash and mksh normalize the path and don't check
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| 13 | # this error.
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| 14 | # TODO: I would like OSH to behave like bash and zsh, but separating chdir_arg
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| 15 | # and pwd_arg breaks case 17.
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| 16 |
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| 17 | cd nonexistent_ZZ/..
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| 18 | echo status=$?
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| 19 | ## STDOUT:
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| 20 | status=1
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| 21 | ## END
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| 22 | ## BUG dash/ash/mksh STDOUT:
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| 23 | status=0
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| 24 | ## END
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| 25 |
|
| 26 | #### cd with 2 or more args - with strict_arg_parse
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| 27 |
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| 28 | shopt -s strict_arg_parse
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| 29 |
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| 30 | mkdir -p foo
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| 31 | cd foo
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| 32 | echo status=$?
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| 33 | cd ..
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| 34 | echo status=$?
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| 35 |
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| 36 |
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| 37 | cd foo bar
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| 38 | st=$?
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| 39 | if test $st -ne 0; then
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| 40 | echo 'failed with multiple args'
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| 41 | fi
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| 42 |
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| 43 | ## STDOUT:
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| 44 | status=0
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| 45 | status=0
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| 46 | failed with multiple args
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| 47 | ## END
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| 48 |
|
| 49 | ## N-I dash/ash STDOUT:
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| 50 | status=0
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| 51 | status=0
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| 52 | ## END
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| 53 |
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| 54 | #### cd with 2 or more args is allowed (strict_arg_parse disabled)
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| 55 |
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| 56 | mkdir -p foo
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| 57 | cd foo bar
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| 58 |
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| 59 | ## status: 0
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| 60 | ## OK bash/zsh status: 1
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| 61 | ## OK mksh status: 2
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| 62 |
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| 63 | #### cd - without OLDPWD
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| 64 |
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| 65 | cd - > /dev/null # silence dash output
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| 66 | echo status=$?
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| 67 | #pwd
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| 68 |
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| 69 | ## STDOUT:
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| 70 | status=1
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| 71 | ## END
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| 72 |
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| 73 | ## OK mksh STDOUT:
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| 74 | status=2
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| 75 | ## END
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| 76 |
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| 77 | ## BUG dash/ash/zsh STDOUT:
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| 78 | status=0
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| 79 | ## END
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| 80 |
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| 81 | #### $OLDPWD
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| 82 | cd /
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| 83 | cd $TMP
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| 84 | echo "old: $OLDPWD"
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| 85 | env | grep OLDPWD # It's EXPORTED too!
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| 86 | cd -
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| 87 | ## STDOUT:
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| 88 | old: /
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| 89 | OLDPWD=/
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| 90 | /
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| 91 | ## END
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| 92 | ## BUG mksh STDOUT:
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| 93 | old: /
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| 94 | /
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| 95 | ## END
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| 96 | ## BUG zsh STDOUT:
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| 97 | old: /
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| 98 | OLDPWD=/
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| 99 | ## END
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| 100 |
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| 101 | #### pwd
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| 102 | cd /
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| 103 | pwd
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| 104 | ## STDOUT:
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| 105 | /
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| 106 | ## END
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| 107 |
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| 108 | #### pwd after cd ..
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| 109 | dir=$TMP/dir-one/dir-two
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| 110 | mkdir -p $dir
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| 111 | cd $dir
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| 112 | echo $(basename $(pwd))
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| 113 | cd ..
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| 114 | echo $(basename $(pwd))
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| 115 | ## STDOUT:
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| 116 | dir-two
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| 117 | dir-one
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| 118 | ## END
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| 119 |
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| 120 | #### pwd with symlink and -P
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| 121 | tmp=$TMP/builtins-pwd-1
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| 122 | mkdir -p $tmp/target
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| 123 | ln -s -f $tmp/target $tmp/symlink
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| 124 |
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| 125 | cd $tmp/symlink
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| 126 |
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| 127 | echo pwd:
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| 128 | basename $(pwd)
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| 129 |
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| 130 | echo pwd -P:
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| 131 | basename $(pwd -P)
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| 132 |
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| 133 | ## STDOUT:
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| 134 | pwd:
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| 135 | symlink
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| 136 | pwd -P:
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| 137 | target
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| 138 | ## END
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| 139 |
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| 140 | #### setting $PWD doesn't affect the value of 'pwd' builtin
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| 141 | dir=/tmp/oil-spec-test/pwd
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| 142 | mkdir -p $dir
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| 143 | cd $dir
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| 144 |
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| 145 | PWD=foo
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| 146 | echo before $PWD
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| 147 | pwd
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| 148 | echo after $PWD
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| 149 | ## STDOUT:
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| 150 | before foo
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| 151 | /tmp/oil-spec-test/pwd
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| 152 | after foo
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| 153 | ## END
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| 154 |
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| 155 | #### unset PWD; then pwd
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| 156 | dir=/tmp/oil-spec-test/pwd
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| 157 | mkdir -p $dir
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| 158 | cd $dir
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| 159 |
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| 160 | unset PWD
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| 161 | echo PWD=$PWD
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| 162 | pwd
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| 163 | echo PWD=$PWD
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| 164 | ## STDOUT:
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| 165 | PWD=
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| 166 | /tmp/oil-spec-test/pwd
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| 167 | PWD=
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| 168 | ## END
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| 169 |
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| 170 | #### 'unset PWD; pwd' before any cd (tickles a rare corner case)
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| 171 | dir=/tmp/oil-spec-test/pwd-2
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| 172 | mkdir -p $dir
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| 173 | cd $dir
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| 174 |
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| 175 | # ensure clean shell process state
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| 176 | $SH -c 'unset PWD; pwd'
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| 177 |
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| 178 | ## STDOUT:
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| 179 | /tmp/oil-spec-test/pwd-2
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| 180 | ## END
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| 181 |
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| 182 | #### lie about PWD; pwd before any cd
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| 183 | dir=/tmp/oil-spec-test/pwd-3
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| 184 | mkdir -p $dir
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| 185 | cd $dir
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| 186 |
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| 187 | # ensure clean shell process state
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| 188 | $SH -c 'PWD=foo; pwd'
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| 189 |
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| 190 | ## STDOUT:
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| 191 | /tmp/oil-spec-test/pwd-3
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| 192 | ## END
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| 193 |
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| 194 | #### remove pwd dir
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| 195 | dir=/tmp/oil-spec-test/pwd
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| 196 | mkdir -p $dir
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| 197 | cd $dir
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| 198 | pwd
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| 199 | rmdir $dir
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| 200 | echo status=$?
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| 201 | pwd
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| 202 | echo status=$?
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| 203 | ## STDOUT:
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| 204 | /tmp/oil-spec-test/pwd
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| 205 | status=0
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| 206 | /tmp/oil-spec-test/pwd
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| 207 | status=0
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| 208 | ## END
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| 209 | ## OK mksh STDOUT:
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| 210 | /tmp/oil-spec-test/pwd
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| 211 | status=0
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| 212 | status=1
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| 213 | ## END
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| 214 |
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| 215 | #### pwd in symlinked dir on shell initialization
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| 216 | tmp=$TMP/builtins-pwd-2
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| 217 | mkdir -p $tmp
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| 218 | mkdir -p $tmp/target
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| 219 | ln -s -f $tmp/target $tmp/symlink
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| 220 |
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| 221 | cd $tmp/symlink
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| 222 | $SH -c 'basename $(pwd)'
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| 223 | unset PWD
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| 224 | $SH -c 'basename $(pwd)'
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| 225 |
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| 226 | ## STDOUT:
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| 227 | symlink
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| 228 | target
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| 229 | ## END
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| 230 | ## OK mksh STDOUT:
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| 231 | target
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| 232 | target
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| 233 | ## END
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| 234 | ## stderr-json: ""
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| 235 |
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| 236 | #### Test the current directory after 'cd ..' involving symlinks
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| 237 | dir=$TMP/symlinktest
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| 238 | mkdir -p $dir
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| 239 | cd $dir
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| 240 | mkdir -p a/b/c
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| 241 | mkdir -p a/b/d
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| 242 | ln -s -f a/b/c c > /dev/null
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| 243 | cd c
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| 244 | cd ..
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| 245 | # Expecting a c/ (since we are in symlinktest) but osh gives c d (thinks we are
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| 246 | # in b/)
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| 247 | ls
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| 248 | ## STDOUT:
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| 249 | a
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| 250 | c
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| 251 | ## END
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| 252 |
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| 253 | #### cd with no arguments
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| 254 | HOME=$TMP/home
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| 255 | mkdir -p $HOME
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| 256 | cd
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| 257 | test $(pwd) = "$HOME" && echo OK
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| 258 | ## stdout: OK
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| 259 |
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| 260 | #### cd to nonexistent dir
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| 261 | cd /nonexistent/dir
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| 262 | echo status=$?
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| 263 | ## stdout: status=1
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| 264 | ## OK dash/ash/mksh stdout: status=2
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| 265 |
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| 266 | #### cd away from dir that was deleted
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| 267 | dir=$TMP/cd-nonexistent
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| 268 | mkdir -p $dir
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| 269 | cd $dir
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| 270 | rmdir $dir
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| 271 | cd $TMP
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| 272 | echo $(basename $OLDPWD)
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| 273 | echo status=$?
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| 274 | ## STDOUT:
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| 275 | cd-nonexistent
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| 276 | status=0
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| 277 | ## END
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| 278 |
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| 279 | #### cd permits double bare dash
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| 280 | cd -- /
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| 281 | echo $PWD
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| 282 | ## stdout: /
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| 283 |
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| 284 | #### cd to symlink with -L and -P
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| 285 | targ=$TMP/cd-symtarget
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| 286 | lnk=$TMP/cd-symlink
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| 287 | mkdir -p $targ
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| 288 | ln -s $targ $lnk
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| 289 |
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| 290 | # -L behavior is the default
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| 291 | cd $lnk
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| 292 | test $PWD = "$TMP/cd-symlink" && echo OK
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| 293 |
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| 294 | cd -L $lnk
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| 295 | test $PWD = "$TMP/cd-symlink" && echo OK
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| 296 |
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| 297 | cd -P $lnk
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| 298 | test $PWD = "$TMP/cd-symtarget" && echo OK || echo $PWD
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| 299 | ## STDOUT:
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| 300 | OK
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| 301 | OK
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| 302 | OK
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| 303 | ## END
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| 304 |
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| 305 | #### cd to relative path with -L and -P
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| 306 | die() { echo "$@"; exit 1; }
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| 307 |
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| 308 | targ=$TMP/cd-symtarget/subdir
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| 309 | lnk=$TMP/cd-symlink
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| 310 | mkdir -p $targ
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| 311 | ln -s $TMP/cd-symtarget $lnk
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| 312 |
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| 313 | # -L behavior is the default
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| 314 | cd $lnk/subdir
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| 315 | test $PWD = "$TMP/cd-symlink/subdir" || die "failed"
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| 316 | cd ..
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| 317 | test $PWD = "$TMP/cd-symlink" && echo OK
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| 318 |
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| 319 | cd $lnk/subdir
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| 320 | test $PWD = "$TMP/cd-symlink/subdir" || die "failed"
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| 321 | cd -L ..
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| 322 | test $PWD = "$TMP/cd-symlink" && echo OK
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| 323 |
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| 324 | cd $lnk/subdir
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| 325 | test $PWD = "$TMP/cd-symlink/subdir" || die "failed"
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| 326 | cd -P ..
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| 327 | test $PWD = "$TMP/cd-symtarget" && echo OK || echo $PWD
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| 328 | ## STDOUT:
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| 329 | OK
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| 330 | OK
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| 331 | OK
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| 332 | ## END
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| 333 |
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| 334 | #### unset PWD; cd /tmp is allowed (regression)
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| 335 |
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| 336 | unset PWD; cd /tmp
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| 337 | pwd
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| 338 |
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| 339 | ## STDOUT:
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| 340 | /tmp
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| 341 | ## END
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| 342 |
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| 343 | #### CDPATH is respected
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| 344 |
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| 345 | mkdir -p /tmp/spam/foo /tmp/eggs/foo
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| 346 |
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| 347 | CDPATH='/tmp/spam:/tmp/eggs'
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| 348 |
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| 349 | cd foo
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| 350 | echo status=$?
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| 351 | pwd
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| 352 |
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| 353 | ## STDOUT:
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| 354 | /tmp/spam/foo
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| 355 | status=0
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| 356 | /tmp/spam/foo
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| 357 | ## END
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| 358 |
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| 359 | # doesn't print the dir
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| 360 | ## BUG zsh STDOUT:
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| 361 | status=0
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| 362 | /tmp/spam/foo
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| 363 | ## END
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| 364 |
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| 365 |
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| 366 | #### Change directory in non-shell parent process (make or Python)
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| 367 |
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| 368 | # inspired by Perl package bug
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| 369 |
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| 370 | old_dir=$(pwd)
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| 371 |
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| 372 | mkdir -p cpan/Encode/Byte
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| 373 |
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| 374 | # Simulate make changing the dir
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| 375 | wrapped_chdir() {
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| 376 | #set -- $SH -c 'echo BEFORE; pwd; echo CD; cd Byte; echo AFTER; pwd'
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| 377 |
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| 378 | set -- $SH -c 'cd Byte; pwd'
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| 379 | # strace comes out the same - one getcwd() and one chdir()
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| 380 | #set -- strace -e 'getcwd,chdir' "$@"
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| 381 |
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| 382 | python2 -c '
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| 383 | from __future__ import print_function
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| 384 | import os, sys, subprocess
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| 385 |
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| 386 | argv = sys.argv[1:]
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| 387 | print("Python PWD = %r" % os.getenv("PWD"), file=sys.stderr)
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| 388 | print("Python argv = %r" % argv, file=sys.stderr)
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| 389 |
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| 390 | os.chdir("cpan/Encode")
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| 391 | subprocess.check_call(argv)
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| 392 | ' "$@"
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| 393 | }
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| 394 |
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| 395 | #wrapped_chdir
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| 396 | new_dir=$(wrapped_chdir)
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| 397 |
|
| 398 | #echo $old_dir
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| 399 |
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| 400 | # Make the test insensitive to absolute paths
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| 401 | echo "${new_dir##$old_dir}"
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| 402 |
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| 403 | ## STDOUT:
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| 404 | /cpan/Encode/Byte
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| 405 | ## END
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| 406 |
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| 407 | #### What happens when inherited $PWD and current dir disagree?
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| 408 |
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| 409 | DIR=/tmp/osh-spec-cd
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| 410 | mkdir -p $DIR
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| 411 | cd $DIR
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| 412 |
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| 413 | old_dir=$(pwd)
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| 414 |
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| 415 | mkdir -p cpan/Encode/Byte
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| 416 |
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| 417 | # Simulate make changing the dir
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| 418 | wrapped_chdir() {
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| 419 | #set -- $SH -c 'echo BEFORE; pwd; echo CD; cd Byte; echo AFTER; pwd'
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| 420 |
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| 421 | # disagreement before we gert here
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| 422 | set -- $SH -c '
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| 423 | echo "PWD = $PWD"; pwd
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| 424 | cd Byte; echo cd=$?
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| 425 | echo "PWD = $PWD"; pwd
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| 426 | '
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| 427 |
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| 428 | # strace comes out the same - one getcwd() and one chdir()
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| 429 | #set -- strace -e 'getcwd,chdir' "$@"
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| 430 |
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| 431 | python2 -c '
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| 432 | from __future__ import print_function
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| 433 | import os, sys, subprocess
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| 434 |
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| 435 | argv = sys.argv[1:]
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| 436 | print("Python argv = %r" % argv, file=sys.stderr)
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| 437 |
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| 438 | os.chdir("cpan/Encode")
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| 439 | print("Python PWD = %r" % os.getenv("PWD"), file=sys.stdout)
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| 440 | sys.stdout.flush()
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| 441 |
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| 442 | subprocess.check_call(argv)
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| 443 | ' "$@"
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| 444 | }
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| 445 |
|
| 446 | #unset PWD
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| 447 | wrapped_chdir
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| 448 |
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| 449 | ## STDOUT:
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| 450 | Python PWD = '/tmp/osh-spec-cd'
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| 451 | PWD = /tmp/osh-spec-cd/cpan/Encode
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| 452 | /tmp/osh-spec-cd/cpan/Encode
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| 453 | cd=0
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| 454 | PWD = /tmp/osh-spec-cd/cpan/Encode/Byte
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| 455 | /tmp/osh-spec-cd/cpan/Encode/Byte
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| 456 | ## END
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| 457 |
|
| 458 | ## BUG mksh STDOUT:
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| 459 | Python PWD = None
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| 460 | PWD = /tmp/osh-spec-cd/cpan/Encode
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| 461 | /tmp/osh-spec-cd/cpan/Encode
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| 462 | cd=0
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| 463 | PWD = /tmp/osh-spec-cd/cpan/Encode/Byte
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| 464 | /tmp/osh-spec-cd/cpan/Encode/Byte
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| 465 | ## END
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| 466 |
|
| 467 | #### Survey of getcwd() syscall
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| 468 |
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| 469 | # This is not that important -- see core/sh_init.py
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| 470 | # Instead of verifying that stat('.') == stat(PWD), which is two sycalls,
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| 471 | # OSH just calls getcwd() unconditionally.
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| 472 |
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| 473 | # so C++ leak sanitizer doesn't print to stderr
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| 474 | export ASAN_OPTIONS='detect_leaks=0'
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| 475 |
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| 476 | strace -e getcwd -- $SH -c 'echo hi; pwd; echo $PWD' 1> /dev/null 2> err.txt
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| 477 |
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| 478 | wc -l err.txt
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| 479 | #cat err.txt
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| 480 |
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| 481 | ## STDOUT:
|
| 482 | 1 err.txt
|
| 483 | ## END
|
| 484 | ## BUG mksh STDOUT:
|
| 485 | 2 err.txt
|
| 486 | ## END
|
| 487 |
|
| 488 | #### chdir is a synonym for cd - busybox ash
|
| 489 |
|
| 490 | chdir /tmp
|
| 491 |
|
| 492 | if test $? -ne 0; then
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| 493 | echo fail
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| 494 | exit
|
| 495 | fi
|
| 496 |
|
| 497 | pwd
|
| 498 |
|
| 499 | # It's the same with no args, but mksh fails because of $HOME
|
| 500 | #chdir
|
| 501 | #echo status=$?
|
| 502 |
|
| 503 | ## STDOUT:
|
| 504 | /tmp
|
| 505 | ## END
|
| 506 |
|
| 507 | ## N-I bash STDOUT:
|
| 508 | fail
|
| 509 | ## END
|
| 510 |
|
| 511 | #### arguments to pwd
|
| 512 | pwd /
|
| 513 | ## status: 0
|
| 514 | ## OK zsh/mksh status: 1
|
| 515 |
|
| 516 | #### pwd errors out on args with strict_arg_parse
|
| 517 | shopt -s strict_arg_parse || true
|
| 518 | pwd / >/dev/null || echo 'too many args!'
|
| 519 | ## N-I bash/dash/ash STDOUT:
|
| 520 | ## END
|
| 521 | ## STDOUT:
|
| 522 | too many args!
|
| 523 | ## END
|