mirror of
https://github.com/vale981/apheleia
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41 lines
1.2 KiB
Text
41 lines
1.2 KiB
Text
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#!/usr/bin/env bash
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# USAGE: apheleia-from-project-root ROOT-FNAME CMD...
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#
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# If there is a file called ROOT-FNAME in the current directory or any
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# parent directory up to the root of the filesystem, first change to
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# that directory. If not, no worries, proceed without error. Then
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# execute CMD with provided args.
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#
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# This can be used to make sure that a formatter is executed in the
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# root directory of a project, if the file is within a project. For
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# example, ROOT-FNAME could be ".git" or ".formatter.exs" or
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# "package.json" or "pyproject.toml".
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if (( "$#" <= 1 )); then
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echo >&2 "usage: apheleia-from-project-root ROOT-FNAME CMD..."
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exit 1
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fi
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# This function prints the name of the current directory if it
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# contains a file or directory named after the first argument, or the
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# parent directory if it contains such a file, or the parent's parent,
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# and so on. If no such file is found it returns nonzero.
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# https://unix.stackexchange.com/a/22215
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find_upwards() {
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fname="$1"
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path="${PWD}"
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while [[ -n "${path}" && ! -e "${path}/${fname}" ]]; do
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path="${path%/*}"
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done
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[[ -n "${path}" ]] && echo "${path}"
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}
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if dir="$(find_upwards "$1")"; then
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cd -- "${dir}" || exit
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fi
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shift
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exec "$@"
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