sane.bash/example-inline.bash at master · ysoftwareab/sane.bash · GitHub

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#!/usr/bin/env bash

set -eEuo pipefail -o errtrace -o functrace

shopt -s inherit_errexit 2>/dev/null || true

export PS4='+(${BASH_SOURCE[0]}:${LINENO}): ${FUNCNAME[0]:+${FUNCNAME[0]}(): }'

# shellcheck disable=SC2154

trap 'e=$?; set +x; s() { cmd="${BASH_COMMAND}"; >&2 echo "bash: *** [command] ${cmd}"; local i=0; while caller $i; do ((++i)); done | while read l f p; do echo "bash: *** [$p:$l $f]${e:+ Error }$e"; e=""; done; }; >&2 echo; >&2 s' ERR # editorconfig-checker-disable-line

function exe() { printf '%s\n' "$(pwd)\$ $(printf '%q ' "$@")" >&2 && "$@"; } && export -f exe

[[ -z "${VERBOSE:-${V:-}}" ]] || set -x

# COPY-PASTE THE ABOVE TO YOUR BASH SCRIPT, RATHER THAN KEEP A COPY AND SOURCE sane.bash

# EXAMPLE SCRIPT

exe "false || true" # allow non-zero exists

false || true # allow non-zero exists (but no stdout output)

sleep 5 # try pressing CTRL-C

exe false # this should fail and be trapped

# EXAMPLE SCRIPT OUTPUT

# editorconfig-checker-disable max-line-length

# ## `./example-inline.bash`

# ```text

# /Users/andrei/git/andreineculau/sane.bash$ false || true

# /Users/andrei/git/andreineculau/sane.bash$ false

# bash: *** [./example-inline.bash:8 exe] Error 1

# bash: *** [./example-inline.bash:19 main]

# ```

# ## `./example-inline.bash` when interrupting with `CTRL-C`

# ```text

# /Users/andrei/git/andreineculau/sane.bash$ false || true

# ^C

# ```

# ## `SHELLOPTS=xtrace ./example-inline.bash` or `V=1 ./example-inline.bash`

# ```text

# + set -eEuo pipefail

# + (( BASH_VERSINFO[0] < 4 || (BASH_VERSINFO[0] == 4 && BASH_VERSINFO[1] < 4) ))

# + shopt -s inherit_errexit

# + export 'PS4=+(${BASH_SOURCE[0]}:${LINENO}): ${FUNCNAME[0]:+${FUNCNAME[0]}(): }'

# + PS4='+(${BASH_SOURCE[0]}:${LINENO}): ${FUNCNAME[0]:+${FUNCNAME[0]}(): }'

# +(./example-inline.bash:6): trap 'e=$?; set +x; s() { local i=0; while caller $i; do ((++i)); done | while read l f p; do echo "bash: *** [$p:$l $f]${e:+ Error }$e"; e=""; done; }; >&2 echo; >&2 s' ERR

# +(./example-inline.bash:9): '[' -z '' ']'

# +(./example-inline.bash:15): exe 'false || true'

# ++(./example-inline.bash:8): exe(): pwd

# +(./example-inline.bash:8): exe(): eval '>&2 echo "/Users/andrei/git/andreineculau/sane.bash$ false || true"; false || true'

# ++(./example-inline.bash:8): exe(): echo '/Users/andrei/git/andreineculau/sane.bash$ false || true'

# /Users/andrei/git/andreineculau/sane.bash$ false || true

# ++(./example-inline.bash:8): exe(): false

# ++(./example-inline.bash:8): exe(): true

# +(./example-inline.bash:16): false

# +(./example-inline.bash:16): true

# +(./example-inline.bash:18): sleep 5

# +(./example-inline.bash:19): exe false

# ++(./example-inline.bash:8): exe(): pwd

# +(./example-inline.bash:8): exe(): eval '>&2 echo "/Users/andrei/git/andreineculau/sane.bash$ false"; false'

# ++(./example-inline.bash:8): exe(): echo '/Users/andrei/git/andreineculau/sane.bash$ false'

# /Users/andrei/git/andreineculau/sane.bash$ false

# ++(./example-inline.bash:8): exe(): false

# +++(./example-inline.bash:8): exe(): e=1

# +++(./example-inline.bash:8): exe(): set +x

# bash: *** [./example-inline.bash:8 exe] Error 1

# bash: *** [./example-inline.bash:19 main]

# ```

sane.bash/example-inline.bash at master · ysoftwareab/sane.bash · GitHub

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