| 1 | # oil-polyfill.sh
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| 2 | #
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| 3 | # Portable shell for some of Oil's builtins.
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| 4 | #
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| 5 | # Usage:
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| 6 | # source oil-polyfill.sh
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| 7 | #
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| 8 | # TODO: Where to deploy this? I think we want versioned copies in
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| 9 | # ~/.local/lib/oil-0.7.0/stdlib/oil-polyfill.sh
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| 10 |
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| 11 | sh-strict() {
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| 12 | ### Turn on "legacy" shell strict modes.
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| 13 |
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| 14 | # bash has this option, which is similar.
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| 15 | # use || true in case
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| 16 | # Actually we don't need this because of static-word-eval subsumes it?
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| 17 | #shopt -s nullglob 2>/dev/null || true
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| 18 |
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| 19 | # POSIX
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| 20 | set -o errexit -o nounset -o pipefail
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| 21 | }
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| 22 |
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| 23 | log() {
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| 24 | ### Write a message to stderr.
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| 25 | echo "$@" 1>&2
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| 26 | }
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| 27 |
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| 28 | die() {
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| 29 | ### Write a message to stderr and exit failure.
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| 30 | log 'fatal:' "$@"
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| 31 | exit 1
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| 32 | }
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| 33 |
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| 34 | # Idea: from Soil, to fix Bernstein chaining.
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| 35 | #
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| 36 | # ssh $USER@$HOST "$(printf '%q ' "$@")"
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| 37 | #
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| 38 | # Also need one for scp.
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| 39 |
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| 40 | # Idea: from tea/run.sh, exit 255 for xargs
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| 41 | # Does this need run --assign-status, or can it be POSIX shell?
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