| 1 | #!/bin/sh
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| 2 | #
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| 3 | # Bug copied from _build/oils.sh
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| 4 |
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| 5 | # Usage:
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| 6 | # demo/dash-bugs.sh <function name>
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| 7 |
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| 8 | set -o nounset
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| 9 | #set -o pipefail
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| 10 | set -o errexit
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| 11 |
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| 12 | compile_one() {
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| 13 | echo compile_one "$@"
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| 14 | sleep 1
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| 15 | }
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| 16 |
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| 17 | _compile_one() {
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| 18 | #local src=$4
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| 19 |
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| 20 | #echo "CXX $src"
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| 21 |
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| 22 | echo _do_fork=${_do_fork:-}
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| 23 |
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| 24 | # Delegate to function in build/ninja-rules-cpp.sh
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| 25 | if test "${_do_fork:-}" = 1; then
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| 26 | echo FORKING
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| 27 | compile_one "$@" & # we will wait later
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| 28 | else
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| 29 | compile_one "$@"
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| 30 | fi
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| 31 | }
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| 32 |
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| 33 | demo() {
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| 34 | # Early versions of dash run this incorrectly!
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| 35 |
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| 36 | _do_fork=1 _compile_one A
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| 37 |
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| 38 | # Workaround for bug in old version of dash!
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| 39 | # The variable should not persist, but it does!
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| 40 | _do_fork=
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| 41 |
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| 42 | _compile_one B
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| 43 | _compile_one C
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| 44 |
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| 45 | wait
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| 46 | }
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| 47 |
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| 48 |
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| 49 | "$@"
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