1 | # Test set flags, sh flags.
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2 |
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3 | ## compare_shells: bash dash mksh
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4 | ## oils_failures_allowed: 3
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5 | ## tags: interactive
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6 |
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7 | #### $- with -c
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8 | # dash's behavior seems most sensible here?
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9 | $SH -o nounset -c 'echo $-'
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10 | ## stdout: u
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11 | ## OK bash stdout: huBc
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12 | ## OK mksh stdout: uhc
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13 | ## status: 0
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14 |
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15 | #### $- with pipefail
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16 | set -o pipefail -o nounset
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17 | echo $-
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18 | ## stdout: u
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19 | ## status: 0
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20 | ## OK bash stdout: huBs
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21 | ## OK mksh stdout: ush
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22 | ## N-I dash stdout-json: ""
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23 | ## N-I dash status: 2
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24 |
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25 | #### $- and more options
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26 | set -efuC
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27 | o=$-
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28 | [[ $o == *e* ]]; echo yes
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29 | [[ $o == *f* ]]; echo yes
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30 | [[ $o == *u* ]]; echo yes
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31 | [[ $o == *C* ]]; echo yes
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32 | ## STDOUT:
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33 | yes
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34 | yes
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35 | yes
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36 | yes
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37 | ## END
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38 | ## N-I dash stdout-json: ""
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39 | ## N-I dash status: 127
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40 |
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41 | #### $- with interactive shell
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42 | $SH -c 'echo $-' | grep i || echo FALSE
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43 | $SH -i -c 'echo $-' | grep -q i && echo TRUE
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44 | ## STDOUT:
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45 | FALSE
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46 | TRUE
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47 | ## END
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48 | #### pass short options like sh -e
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49 | $SH -e -c 'false; echo status=$?'
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50 | ## stdout-json: ""
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51 | ## status: 1
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52 |
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53 | #### pass long options like sh -o errexit
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54 | $SH -o errexit -c 'false; echo status=$?'
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55 | ## stdout-json: ""
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56 | ## status: 1
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57 |
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58 | #### pass shopt options like sh -O nullglob
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59 | $SH +O nullglob -c 'echo foo *.nonexistent bar'
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60 | $SH -O nullglob -c 'echo foo *.nonexistent bar'
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61 | ## STDOUT:
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62 | foo *.nonexistent bar
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63 | foo bar
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64 | ## END
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65 | ## N-I dash/mksh stdout-json: ""
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66 | ## N-I dash status: 2
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67 | ## N-I mksh status: 1
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68 |
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69 | #### can continue after unknown option
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70 | # dash and mksh make this a fatal error no matter what.
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71 | set -o errexit
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72 | set -o STRICT || true # unknown option
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73 | echo hello
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74 | ## stdout: hello
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75 | ## status: 0
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76 | ## BUG dash/mksh stdout-json: ""
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77 | ## BUG dash status: 2
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78 | ## BUG mksh status: 1
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79 |
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80 | #### set with both options and argv
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81 | set -o errexit a b c
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82 | echo "$@"
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83 | false
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84 | echo done
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85 | ## stdout: a b c
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86 | ## status: 1
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87 |
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88 | #### set -o vi/emacs
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89 | set -o vi
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90 | echo $?
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91 | set -o emacs
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92 | echo $?
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93 | ## STDOUT:
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94 | 0
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95 | 0
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96 | ## END
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97 |
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98 | #### vi and emacs are mutually exclusive
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99 | show() {
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100 | shopt -o -p | egrep 'emacs$|vi$'
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101 | echo ___
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102 | };
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103 | show
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104 |
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105 | set -o emacs
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106 | show
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107 |
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108 | set -o vi
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109 | show
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110 |
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111 | ## STDOUT:
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112 | set +o emacs
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113 | set +o vi
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114 | ___
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115 | set -o emacs
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116 | set +o vi
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117 | ___
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118 | set +o emacs
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119 | set -o vi
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120 | ___
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121 | ## END
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122 | ## N-I dash/mksh STDOUT:
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123 | ___
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124 | ___
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125 | ___
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126 | ## END
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127 |
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128 | #### interactive shell starts with emacs mode on
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129 | case $SH in (dash) exit ;; esac
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130 | case $SH in (bash|*osh) flag='--rcfile /dev/null' ;; esac
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131 |
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132 | code='test -o emacs; echo $?; test -o vi; echo $?'
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133 |
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134 | echo non-interactive
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135 | $SH $flag -c "$code"
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136 |
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137 | echo interactive
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138 | $SH $flag -i -c "$code"
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139 |
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140 | ## STDOUT:
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141 | non-interactive
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142 | 1
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143 | 1
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144 | interactive
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145 | 0
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146 | 1
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147 | ## END
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148 | ## OK mksh STDOUT:
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149 | non-interactive
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150 | 0
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151 | 1
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152 | interactive
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153 | 0
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154 | 1
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155 | ## END
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156 | ## N-I dash stdout-json: ""
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157 |
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158 | #### nounset
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159 | echo "[$unset]"
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160 | set -o nounset
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161 | echo "[$unset]"
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162 | echo end # never reached
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163 | ## stdout: []
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164 | ## status: 1
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165 | ## OK dash status: 2
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166 |
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167 | #### -u is nounset
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168 | echo "[$unset]"
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169 | set -u
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170 | echo "[$unset]"
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171 | echo end # never reached
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172 | ## stdout: []
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173 | ## status: 1
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174 | ## OK dash status: 2
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175 |
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176 | #### nounset with "$@"
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177 | set a b c
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178 | set -u # shouldn't touch argv
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179 | echo "$@"
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180 | ## stdout: a b c
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181 |
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182 | #### set -u -- clears argv
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183 | set a b c
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184 | set -u -- # shouldn't touch argv
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185 | echo "$@"
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186 | ## stdout:
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187 |
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188 | #### set -u -- x y z
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189 | set a b c
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190 | set -u -- x y z
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191 | echo "$@"
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192 | ## stdout: x y z
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193 |
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194 | #### reset option with long flag
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195 | set -o errexit
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196 | set +o errexit
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197 | echo "[$unset]"
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198 | ## stdout: []
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199 | ## status: 0
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200 |
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201 | #### reset option with short flag
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202 | set -u
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203 | set +u
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204 | echo "[$unset]"
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205 | ## stdout: []
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206 | ## status: 0
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207 |
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208 | #### set -eu (flag parsing)
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209 | set -eu
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210 | echo "[$unset]"
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211 | echo status=$?
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212 | ## stdout-json: ""
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213 | ## status: 1
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214 | ## OK dash status: 2
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215 |
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216 | #### -n for no execution (useful with --ast-output)
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217 | # NOTE: set +n doesn't work because nothing is executed!
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218 | echo 1
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219 | set -n
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220 | echo 2
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221 | set +n
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222 | echo 3
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223 | # osh doesn't work because it only checks -n in bin/oil.py?
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224 | ## STDOUT:
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225 | 1
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226 | ## END
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227 | ## status: 0
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228 |
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229 | #### pipefail
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230 | # NOTE: the sleeps are because osh can fail non-deterministically because of a
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231 | # bug. Same problem as PIPESTATUS.
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232 | { sleep 0.01; exit 9; } | { sleep 0.02; exit 2; } | { sleep 0.03; }
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233 | echo $?
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234 | set -o pipefail
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235 | { sleep 0.01; exit 9; } | { sleep 0.02; exit 2; } | { sleep 0.03; }
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236 | echo $?
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237 | ## STDOUT:
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238 | 0
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239 | 2
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240 | ## END
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241 | ## status: 0
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242 | ## N-I dash STDOUT:
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243 | 0
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244 | ## END
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245 | ## N-I dash status: 2
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246 |
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247 | #### shopt -p -o prints 'set' options
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248 | case $SH in dash|mksh) exit ;; esac
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249 |
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250 | shopt -po nounset
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251 | set -o nounset
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252 | shopt -po nounset
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253 |
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254 | echo --
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255 |
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256 | shopt -po | egrep -o 'errexit|noglob|nounset'
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257 |
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258 | ## STDOUT:
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259 | set +o nounset
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260 | set -o nounset
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261 | --
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262 | errexit
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263 | noglob
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264 | nounset
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265 | ## END
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266 | ## N-I dash/mksh STDOUT:
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267 | ## END
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268 |
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269 | #### shopt -o prints 'set' options
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270 | case $SH in dash|mksh) exit ;; esac
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271 |
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272 | shopt -o | egrep -o 'errexit|noglob|nounset'
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273 | echo --
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274 | ## STDOUT:
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275 | errexit
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276 | noglob
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277 | nounset
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278 | --
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279 | ## END
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280 | ## N-I dash/mksh STDOUT:
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281 | ## END
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282 |
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283 | #### shopt -p prints 'shopt' options
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284 | shopt -p nullglob
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285 | shopt -s nullglob
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286 | shopt -p nullglob
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287 | ## STDOUT:
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288 | shopt -u nullglob
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289 | shopt -s nullglob
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290 | ## END
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291 | ## N-I dash/mksh stdout-json: ""
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292 | ## N-I dash/mksh status: 127
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293 |
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294 | #### shopt with no flags prints options
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295 | cd $TMP
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296 |
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297 | # print specific options. OSH does it in a different format.
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298 | shopt nullglob failglob > one.txt
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299 | wc -l one.txt
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300 | grep -o nullglob one.txt
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301 | grep -o failglob one.txt
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302 |
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303 | # print all options
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304 | shopt | grep nullglob | wc -l
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305 | ## STDOUT:
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306 | 2 one.txt
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307 | nullglob
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308 | failglob
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309 | 1
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310 | ## END
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311 | ## N-I dash/mksh STDOUT:
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312 | 0 one.txt
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313 | 0
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314 | ## END
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315 |
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316 | #### noclobber off
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317 | set -o errexit
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318 | echo foo > $TMP/can-clobber
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319 | set +C
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320 | echo foo > $TMP/can-clobber
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321 | set +o noclobber
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322 | echo foo > $TMP/can-clobber
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323 | cat $TMP/can-clobber
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324 | ## stdout: foo
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325 |
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326 | #### noclobber on
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327 | # Not implemented yet.
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328 | rm $TMP/no-clobber
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329 | set -C
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330 | echo foo > $TMP/no-clobber
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331 | echo $?
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332 | echo foo > $TMP/no-clobber
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333 | echo $?
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334 | ## stdout-json: "0\n1\n"
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335 | ## OK dash stdout-json: "0\n2\n"
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336 |
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337 | #### SHELLOPTS is updated when options are changed
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338 | echo $SHELLOPTS | grep -q xtrace
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339 | echo $?
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340 | set -x
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341 | echo $SHELLOPTS | grep -q xtrace
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342 | echo $?
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343 | set +x
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344 | echo $SHELLOPTS | grep -q xtrace
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345 | echo $?
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346 | ## STDOUT:
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347 | 1
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348 | 0
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349 | 1
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350 | ## END
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351 | ## N-I dash/mksh STDOUT:
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352 | 1
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353 | 1
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354 | 1
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355 | ## END
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356 |
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357 | #### SHELLOPTS is readonly
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358 | SHELLOPTS=x
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359 | echo status=$?
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360 | ## stdout: status=1
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361 | ## N-I dash/mksh stdout: status=0
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362 |
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363 | # Setting a readonly variable in osh is a hard failure.
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364 | ## OK osh status: 1
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365 | ## OK osh stdout-json: ""
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366 |
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367 | #### SHELLOPTS and BASHOPTS are set
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368 |
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369 | # 2024-06 - tickled by Samuel testing Gentoo
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370 |
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371 | # bash: bracexpand:hashall etc.
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372 |
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373 | echo shellopts ${SHELLOPTS:?} > /dev/null
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374 | echo bashopts ${BASHOPTS:?} > /dev/null
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375 |
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376 | ## STDOUT:
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377 | ## END
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378 |
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379 | ## N-I dash status: 2
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380 | ## N-I mksh status: 1
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381 |
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382 |
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383 | #### set - -
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384 | set a b
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385 | echo "$@"
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386 | set - a b
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387 | echo "$@"
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388 | set -- a b
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389 | echo "$@"
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390 | set - -
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391 | echo "$@"
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392 | set - +
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393 | echo "$@"
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394 | set + -
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395 | echo "$@"
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396 | set -- --
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397 | echo "$@"
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398 |
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399 | # note: zsh is different, and yash is totally different
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400 | ## STDOUT:
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401 | a b
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402 | a b
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403 | a b
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404 | -
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405 | +
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406 | +
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407 | --
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408 | ## END
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409 | ## OK osh/yash STDOUT:
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410 | a b
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411 | - a b
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412 | a b
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413 | - -
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414 | - +
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415 | + -
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416 | --
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417 | ## END
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418 | ## BUG mksh STDOUT:
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419 | a b
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420 | a b
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421 | a b
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422 | -
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423 | +
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424 | -
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425 | --
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426 | ## END
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427 | ## BUG zsh STDOUT:
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428 | a b
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429 | a b
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430 | a b
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431 |
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432 | +
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433 |
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434 | --
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435 | ## END
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436 |
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437 | #### set -o lists options
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438 | # NOTE: osh doesn't use the same format yet.
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439 | set -o | grep -o noexec
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440 | ## STDOUT:
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441 | noexec
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442 | ## END
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443 |
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444 | #### set without args lists variables
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445 | __GLOBAL=g
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446 | f() {
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447 | local __mylocal=L
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448 | local __OTHERLOCAL=L
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449 | __GLOBAL=mutated
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450 | set | grep '^__'
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451 | }
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452 | g() {
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453 | local __var_in_parent_scope=D
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454 | f
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455 | }
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456 | g
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457 | ## status: 0
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458 | ## STDOUT:
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459 | __GLOBAL=mutated
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460 | __OTHERLOCAL=L
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461 | __mylocal=L
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462 | __var_in_parent_scope=D
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463 | ## END
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464 | ## OK mksh STDOUT:
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465 | __GLOBAL=mutated
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466 | __var_in_parent_scope=D
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467 | __OTHERLOCAL=L
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468 | __mylocal=L
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469 | ## END
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470 | ## OK dash STDOUT:
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471 | __GLOBAL='mutated'
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472 | __OTHERLOCAL='L'
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473 | __mylocal='L'
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474 | __var_in_parent_scope='D'
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475 | ## END
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476 |
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477 | #### 'set' and 'eval' round trip
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478 |
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479 | # NOTE: not testing arrays and associative arrays!
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480 | _space='[ ]'
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481 | _whitespace=$'[\t\r\n]'
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482 | _sq="'single quotes'"
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483 | _backslash_dq="\\ \""
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484 | _unicode=$'[\u03bc]'
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485 |
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486 | # Save the variables
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487 | varfile=$TMP/vars-$(basename $SH).txt
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488 |
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489 | set | grep '^_' > "$varfile"
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490 |
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491 | # Unset variables
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492 | unset _space _whitespace _sq _backslash_dq _unicode
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493 | echo [ $_space $_whitespace $_sq $_backslash_dq $_unicode ]
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494 |
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495 | # Restore them
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496 |
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497 | . $varfile
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498 | echo "Code saved to $varfile" 1>&2 # for debugging
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499 |
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500 | test "$_space" = '[ ]' && echo OK
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501 | test "$_whitespace" = $'[\t\r\n]' && echo OK
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502 | test "$_sq" = "'single quotes'" && echo OK
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503 | test "$_backslash_dq" = "\\ \"" && echo OK
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504 | test "$_unicode" = $'[\u03bc]' && echo OK
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505 |
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506 | ## STDOUT:
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507 | [ ]
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508 | OK
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509 | OK
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510 | OK
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511 | OK
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512 | OK
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513 | ## END
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514 |
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515 | #### set without args and array variables (not in OSH)
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516 | declare -a __array
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517 | __array=(1 2 '3 4')
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518 | set | grep '^__'
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519 | ## STDOUT:
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520 | __array=([0]="1" [1]="2" [2]="3 4")
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521 | ## END
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522 | ## OK mksh STDOUT:
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523 | __array[0]=1
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524 | __array[1]=2
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525 | __array[2]='3 4'
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526 | ## N-I dash stdout-json: ""
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527 | ## N-I dash status: 2
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528 | ## N-I osh stdout-json: ""
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529 | ## N-I osh status: 1
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530 |
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531 | #### set without args and assoc array variables (not in OSH)
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532 | typeset -A __assoc
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533 | __assoc['k e y']='v a l'
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534 | __assoc[a]=b
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535 | set | grep '^__'
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536 | ## STDOUT:
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537 | __assoc=([a]="b" ["k e y"]="v a l" )
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538 | ## END
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539 | ## N-I mksh stdout-json: ""
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540 | ## N-I mksh status: 1
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541 | ## N-I dash stdout-json: ""
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542 | ## N-I dash status: 1
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543 | ## N-I osh stdout-json: ""
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544 | ## N-I osh status: 1
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545 |
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546 | #### shopt -q
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547 | shopt -q nullglob
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548 | echo nullglob=$?
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549 |
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550 | # set it
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551 | shopt -s nullglob
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552 |
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553 | shopt -q nullglob
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554 | echo nullglob=$?
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555 |
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556 | shopt -q nullglob failglob
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557 | echo nullglob,failglob=$?
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558 |
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559 | # set it
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560 | shopt -s failglob
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561 | shopt -q nullglob failglob
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562 | echo nullglob,failglob=$?
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563 |
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564 | ## STDOUT:
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565 | nullglob=1
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566 | nullglob=0
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567 | nullglob,failglob=1
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568 | nullglob,failglob=0
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569 | ## END
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570 | ## N-I dash/mksh STDOUT:
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571 | nullglob=127
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572 | nullglob=127
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573 | nullglob,failglob=127
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574 | nullglob,failglob=127
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575 | ## END
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576 |
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577 | #### shopt -q invalid
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578 | shopt -q invalidZZ
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579 | echo invalidZZ=$?
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580 | ## STDOUT:
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581 | invalidZZ=2
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582 | ## END
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583 | ## OK bash STDOUT:
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584 | invalidZZ=1
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585 | ## END
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586 | ## N-I dash/mksh STDOUT:
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587 | invalidZZ=127
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588 | ## END
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589 |
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590 | #### shopt -s strict:all
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591 | n=2
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592 |
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593 | show-strict() {
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594 | shopt -p | grep 'strict_' | head -n $n
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595 | echo -
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596 | }
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597 |
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598 | show-strict
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599 | shopt -s strict:all
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600 | show-strict
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601 | shopt -u strict_arith
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602 | show-strict
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603 | ## STDOUT:
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604 | shopt -u strict_argv
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605 | shopt -u strict_arith
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606 | -
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607 | shopt -s strict_argv
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608 | shopt -s strict_arith
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609 | -
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610 | shopt -s strict_argv
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611 | shopt -u strict_arith
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612 | -
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613 | ## END
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614 | ## N-I dash status: 2
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615 | ## N-I dash stdout-json: ""
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616 | ## N-I bash/mksh STDOUT:
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617 | -
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618 | -
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619 | -
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620 | ## END
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621 |
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622 | #### shopt allows for backward compatibility like bash
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623 |
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624 | # doesn't have to be on, but just for testing
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625 | set -o errexit
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626 |
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627 | shopt -p nullglob || true # bash returns 1 here? Like -q.
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628 |
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629 | # This should set nullglob, and return 1, which can be ignored
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630 | shopt -s nullglob strict_OPTION_NOT_YET_IMPLEMENTED 2>/dev/null || true
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631 | echo status=$?
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632 |
|
633 | shopt -p nullglob || true
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634 |
|
635 | ## STDOUT:
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636 | shopt -u nullglob
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637 | status=0
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638 | shopt -s nullglob
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639 | ## END
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640 | ## N-I dash/mksh STDOUT:
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641 | status=0
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642 | ## END
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643 | ## N-I dash/mksh status: 0
|
644 |
|
645 | #### shopt -p validates option names
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646 | shopt -p nullglob invalid failglob
|
647 | echo status=$?
|
648 | # same thing as -p, slightly different format in bash
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649 | shopt nullglob invalid failglob > $TMP/out.txt
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650 | status=$?
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651 | sed --regexp-extended 's/\s+/ /' $TMP/out.txt # make it easier to assert
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652 | echo status=$status
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653 | ## STDOUT:
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654 | status=2
|
655 | status=2
|
656 | ## END
|
657 | ## OK bash STDOUT:
|
658 | shopt -u nullglob
|
659 | shopt -u failglob
|
660 | status=1
|
661 | nullglob off
|
662 | failglob off
|
663 | status=1
|
664 | ## END
|
665 | ## N-I dash/mksh STDOUT:
|
666 | status=127
|
667 | status=127
|
668 | ## END
|
669 |
|
670 | #### shopt -p -o validates option names
|
671 | shopt -p -o errexit invalid nounset
|
672 | echo status=$?
|
673 | ## STDOUT:
|
674 | set +o errexit
|
675 | status=2
|
676 | ## END
|
677 | ## OK bash STDOUT:
|
678 | set +o errexit
|
679 | set +o nounset
|
680 | status=1
|
681 | ## END
|
682 | ## N-I dash/mksh STDOUT:
|
683 | status=127
|
684 | ## END
|
685 |
|
686 | #### stubbed out bash options
|
687 | for name in foo autocd cdable_vars checkwinsize; do
|
688 | shopt -s $name
|
689 | echo $?
|
690 | done
|
691 | ## STDOUT:
|
692 | 2
|
693 | 0
|
694 | 0
|
695 | 0
|
696 | ## END
|
697 | ## OK bash STDOUT:
|
698 | 1
|
699 | 0
|
700 | 0
|
701 | 0
|
702 | ## END
|
703 | ## OK dash/mksh STDOUT:
|
704 | 127
|
705 | 127
|
706 | 127
|
707 | 127
|
708 | ## END
|
709 |
|
710 | #### shopt -s nounset works in Oil, not in bash
|
711 | case $SH in
|
712 | *dash|*mksh)
|
713 | echo N-I
|
714 | exit
|
715 | ;;
|
716 | esac
|
717 | shopt -s nounset
|
718 | echo status=$?
|
719 |
|
720 | # get rid of extra space in bash output
|
721 | set -o | grep nounset | sed 's/[ \t]\+/ /g'
|
722 |
|
723 | ## STDOUT:
|
724 | status=0
|
725 | set -o nounset
|
726 | ## END
|
727 | ## OK bash STDOUT:
|
728 | status=1
|
729 | nounset off
|
730 | # END
|
731 | ## N-I dash/mksh STDOUT:
|
732 | N-I
|
733 | ## END
|
734 |
|
735 | #### no-ops not in shopt -p output
|
736 | shopt -p | grep xpg
|
737 | echo --
|
738 | ## STDOUT:
|
739 | --
|
740 | ## END
|
741 | ## OK bash STDOUT:
|
742 | shopt -u xpg_echo
|
743 | --
|
744 | ## END
|
745 |
|
746 |
|