| 1 | ## compare_shells: bash
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| 2 | ## oils_failures_allowed: 2
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| 3 |
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| 4 | #### SHELLOPTS is updated when options are changed
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| 5 | echo $SHELLOPTS | grep -q xtrace
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| 6 | echo $?
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| 7 | set -x
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| 8 | echo $SHELLOPTS | grep -q xtrace
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| 9 | echo $?
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| 10 | set +x
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| 11 | echo $SHELLOPTS | grep -q xtrace
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| 12 | echo $?
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| 13 | ## STDOUT:
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| 14 | 1
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| 15 | 0
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| 16 | 1
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| 17 | ## END
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| 18 | ## N-I dash/mksh STDOUT:
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| 19 | 1
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| 20 | 1
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| 21 | 1
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| 22 | ## END
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| 23 |
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| 24 | #### SHELLOPTS is readonly
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| 25 | SHELLOPTS=x
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| 26 | echo status=$?
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| 27 | ## stdout: status=1
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| 28 | ## N-I dash/mksh stdout: status=0
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| 29 |
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| 30 | # Setting a readonly variable in osh is a hard failure.
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| 31 | ## OK osh status: 1
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| 32 | ## OK osh stdout-json: ""
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| 33 |
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| 34 | #### SHELLOPTS and BASHOPTS are non-empty
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| 35 |
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| 36 | # 2024-06 - tickled by Samuel testing Gentoo
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| 37 |
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| 38 | if test -v SHELLOPTS; then
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| 39 | echo 'shellopts is set'
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| 40 | fi
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| 41 | if test -v BASHOPTS; then
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| 42 | echo 'bashopts is set'
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| 43 | fi
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| 44 |
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| 45 | # bash: braceexpand:hashall etc.
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| 46 |
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| 47 | echo shellopts ${SHELLOPTS:?} > /dev/null
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| 48 | echo bashopts ${BASHOPTS:?} > /dev/null
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| 49 |
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| 50 | ## STDOUT:
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| 51 | shellopts is set
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| 52 | bashopts is set
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| 53 | ## END
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| 54 |
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| 55 | ## N-I dash status: 2
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| 56 | ## N-I mksh status: 1
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| 57 |
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| 58 | #### SHELLOPTS reflects flags like sh -x
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| 59 |
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| 60 | $SH -x -c 'echo $SHELLOPTS' | grep -o xtrace
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| 61 |
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| 62 | ## STDOUT:
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| 63 | xtrace
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| 64 | ## END
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| 65 |
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| 66 | #### export SHELLOPTS does cross-process tracing
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| 67 |
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| 68 | $SH -c '
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| 69 | export SHELLOPTS
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| 70 | set -x
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| 71 | echo 1
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| 72 | $SH -c "echo 2"
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| 73 | ' 2>&1 | sed 's/.*sh /sh /g'
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| 74 |
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| 75 | ## STDOUT:
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| 76 | + echo 1
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| 77 | 1
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| 78 | sh -c 'echo 2'
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| 79 | + echo 2
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| 80 | 2
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| 81 | ## END
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| 82 |
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| 83 | #### export SHELLOPTS does cross-process tracing with bash
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| 84 |
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| 85 | # calling bash
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| 86 | $SH -c '
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| 87 | export SHELLOPTS
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| 88 | set -x
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| 89 | #echo SHELLOPTS=$SHELLOPTS
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| 90 | echo 1
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| 91 | bash -c "echo 2"
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| 92 | ' 2>&1 | sed 's/.*sh /sh /g'
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| 93 |
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| 94 | ## STDOUT:
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| 95 | + echo 1
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| 96 | 1
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| 97 | sh -c 'echo 2'
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| 98 | + echo 2
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| 99 | 2
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| 100 | ## END
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| 101 |
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| 102 | #### OSH calling bash with SHELLOPTS does not change braceexpand
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| 103 |
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| 104 | #echo outside=$SHELLOPTS
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| 105 |
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| 106 | # sed pattern to normalize spaces
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| 107 | normalize='s/[ \t]\+/ /g'
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| 108 |
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| 109 | bash -c '
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| 110 | #echo bash=$SHELLOPTS
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| 111 | set -o | grep braceexpand | sed "$1"
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| 112 | ' unused "$normalize"
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| 113 |
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| 114 | env SHELLOPTS= bash -c '
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| 115 | #echo bash2=$SHELLOPTS
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| 116 | set -o | grep braceexpand | sed "$1"
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| 117 | ' unused "$normalize"
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| 118 |
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| 119 | ## STDOUT:
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| 120 | braceexpand on
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| 121 | braceexpand on
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| 122 | ## END
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| 123 |
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| 124 | #### If shopt --set xtrace is allowed, it should update SHELLOPTS, not BASHOPTS
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| 125 | case $SH in bash) exit ;; esac
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| 126 |
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| 127 | shopt --set xtrace
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| 128 | echo SHELLOPTS=$SHELLOPTS
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| 129 | set -x
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| 130 | echo SHELLOPTS=$SHELLOPTS
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| 131 | set +x
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| 132 | echo SHELLOPTS=$SHELLOPTS
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| 133 |
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| 134 | ## STDOUT:
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| 135 | SHELLOPTS=xtrace
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| 136 | SHELLOPTS=xtrace
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| 137 | SHELLOPTS=
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| 138 | ## END
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| 139 | ## N-I bash STDOUT:
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| 140 | ## END
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| 141 |
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| 142 | #### shopt -s progcomp hostcomplete are stubs (bash-completion)
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| 143 |
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| 144 | shopt -s progcomp hostcomplete
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| 145 | echo status=$?
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| 146 |
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| 147 | shopt -u progcomp hostcomplete
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| 148 | echo status=$?
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| 149 |
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| 150 | ## STDOUT:
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| 151 | status=0
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| 152 | status=0
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| 153 | ## END
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