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9dd107a1d5
* format: improve argument handling For now, fail if the user tries to format a specific file/directory, or runs the formatter from within a subdirectory. Handling these situations is slightly tricky because `find -path` is not very flexible. * flake: add formatter This allows running the formatter with `nix fmt`, added in Nix 2.8. * format: use git ls-files This is cleaner than `find` and allows us to restrict formatting to particular files or subdirectories.
51 lines
1.2 KiB
Text
Executable file
51 lines
1.2 KiB
Text
Executable file
#! /usr/bin/env nix-shell
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#! nix-shell -I nixpkgs=https://github.com/NixOS/nixpkgs/archive/6616de389ed55fba6eeba60377fc04732d5a207c.tar.gz -i bash -p git gnugrep gnused findutils nixfmt
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nixfmt_args=()
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files=()
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for arg do
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case $arg in
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-h)
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echo "$0 [-c]"
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exit
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;;
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-c)
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nixfmt_args+=("$arg")
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;;
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-*)
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echo "unrecognised flag: $arg" >&2
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exit 1
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;;
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*)
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files+=("$arg")
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;;
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esac
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done
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# The excludes are for files touched by open pull requests and we want
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# to avoid merge conflicts.
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excludes=(
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modules/default.nix
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modules/files.nix
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modules/home-environment.nix
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modules/lib/default.nix
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modules/lib/file-type.nix
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modules/misc/news.nix
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modules/programs/ssh.nix
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modules/programs/zsh.nix
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tests/default.nix
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)
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exclude_args=()
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for e in "${excludes[@]}"; do
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exclude_args+=(-e "$e")
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done
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git_root=$(git rev-parse --show-toplevel)
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git ls-files -z --cached --others --full-name -- "${files[@]}" |
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grep -z '\.nix$' |
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grep -z -v "${exclude_args[@]}" |
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sed -z "s|^|$git_root/|" |
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xargs -0 nixfmt "${nixfmt_args[@]}"
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