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https://github.com/NixOS/nixpkgs.git
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78 lines
1.7 KiB
Bash
Executable file
78 lines
1.7 KiB
Bash
Executable file
#! @shell@
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# shellcheck shell=bash
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set -eu -o pipefail +o posix
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shopt -s nullglob
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if (( "${NIX_DEBUG:-0}" >= 7 )); then
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set -x
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fi
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source @signingUtils@
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extraAfter=()
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extraBefore=()
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params=("$@")
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output=
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inputs=()
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restAreFiles=
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prev=
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for p in \
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${extraBefore+"${extraBefore[@]}"} \
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${params+"${params[@]}"} \
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${extraAfter+"${extraAfter[@]}"}
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do
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if [ "$restAreFiles" ]; then
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inputs+=("$p")
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else
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case "$prev" in
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-s|-R|-d|-arch)
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# Unrelated arguments with values
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;;
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-o)
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# Explicit output
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output="$p"
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;;
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*)
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# Any other orgument either takes no value, or is a file.
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if [[ "$p" != -* ]]; then
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inputs+=("$p")
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fi
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;;
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esac
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if [ "$p" == - ]; then
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restAreFiles=1
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fi
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fi
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prev="$p"
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done
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# Optionally print debug info.
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if (( "${NIX_DEBUG:-0}" >= 1 )); then
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# Old bash workaround, see above.
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echo "extra flags before to @prog@:" >&2
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printf " %q\n" ${extraBefore+"${extraBefore[@]}"} >&2
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echo "original flags to @prog@:" >&2
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printf " %q\n" ${params+"${params[@]}"} >&2
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echo "extra flags after to @prog@:" >&2
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printf " %q\n" ${extraAfter+"${extraAfter[@]}"} >&2
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fi
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@prog@ \
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${extraBefore+"${extraBefore[@]}"} \
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${params+"${params[@]}"} \
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${extraAfter+"${extraAfter[@]}"}
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if [ "$output" ]; then
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# Single explicit output
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signIfRequired "$output"
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else
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# Multiple inputs, rewritten in place
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for input in "${inputs[@]}"; do
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signIfRequired "$input"
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done
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fi
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