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run_qemu.sh: use the { main; exit "$?"; } trick to allow modifications #208

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Merged
merged 1 commit into from
May 20, 2025
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run_qemu.sh: use the { main; exit "$?"; } trick to allow modifications #208

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10 changes: 9 additions & 1 deletion run_qemu.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -290,6 +290,9 @@ exit_handler()
exit "$err"
}

# Silence SC2317 and SC2329
# https://github.com/koalaman/shellcheck/issues/2542
false && exit_handler "$@"

# Runs a command repeatedly until it succeeds. Returns true as soon as the command returns
# true before the timeout. Otherwise returns false and prints a timeout message.
Expand Down Expand Up @@ -2055,4 +2058,9 @@ main()
fi
}

main
# This compound statement { } forces bash to read it entirely before
# running it. This allows modifying the script while it's running.
# https://hachyderm.io/@simontatham/114511220670677410
{
main; exit $?
}