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de5a4e7d01
* Update devshell Update nixpkgs and simplify devshell * Run ormolu * Fixups * Format nix files * Update sources
63 lines
1.3 KiB
Plaintext
Executable File
63 lines
1.3 KiB
Plaintext
Executable File
#!/usr/bin/env nix-shell
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#!nix-shell -i bash
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#!nix-shell -I nixpkgs=./nix
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#!nix-shell -p ormolu
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#!nix-shell -p glibcLocales
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#!nix-shell --keep GITHUB_TOKEN
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###
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### fmt - Format Haskell files with Ormolu
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###
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### Usage:
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### fmt [-c|--check]
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###
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### Options:
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### -c,--check Only check formatting, don't change files
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set -euo pipefail
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help() {
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sed -rn 's/^### ?//;T;p' "$0"
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}
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fmt() {
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local mode="$1"
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command -v ormolu >/dev/null 2>&1 || {
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echo >&2 "error: ormolu not found. run this in niv's nix-shell"
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exit 1
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}
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needs_formatting=( )
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for f in $(find . -name '*.hs')
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do
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echo "checking: $f"
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if ! ormolu --no-cabal --mode "$mode" "$f"; then
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needs_formatting+=( "$f" )
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fi
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done
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if [ ${#needs_formatting[@]} -eq 0 ]; then
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echo All files checked for formatting
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else
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echo The following files need formatting:
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for i in "${needs_formatting[@]}"; do
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echo " - $i"
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done
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if [ "$mode" == "check" ]; then
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exit 1
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fi
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echo "Please run ./script/fmt"
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fi
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}
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if [ "$#" == "0" ]; then
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fmt "inplace"
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elif [ "$1" == "-c" ] || [ "$1" == "--check" ]; then
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fmt "check"
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elif [ "$1" == "-h" ] || [ "$1" == "--help" ]; then
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help
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exit 0
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else
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help
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exit 1
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fi
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