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98f4fef7fd
We change `$HOME` to something not writable, but newer treefmt fails if it cannot write. We could use a tmpdir, but there’s not much point to a cache that will be removed, as just add the flag to not use the cache.
35 lines
895 B
Text
Executable file
35 lines
895 B
Text
Executable file
#! /usr/bin/env nix-shell
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#! nix-shell -I nixpkgs=https://github.com/NixOS/nixpkgs/archive/42a1c966be226125b48c384171c44c651c236c22.tar.gz -i bash -p git gnugrep gnused findutils nixfmt-tree
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# Avoid being affected by system and user git config.
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export GIT_CONFIG_NOSYSTEM=1
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export HOME=/var/empty
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export XDG_CONFIG_HOME=/var/empty
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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 "$0 [-c]"
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exit
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;;
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--ci)
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nixfmt_args+=("$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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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$' |
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sed -z "s|^|$git_root/|" |
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xargs -0 treefmt --no-cache "${nixfmt_args[@]}"
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