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195b9fe940
find_local_version_file reduces its target with ${root%/*}, but that leaves a slash-less relative argument such as "." unchanged, leading to an infinite loop
Signed-off-by: 付典 <fudianchn@gmail.com>
32 lines
829 B
Bash
Executable file
32 lines
829 B
Bash
Executable file
#!/usr/bin/env bash
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# Usage: pyenv version-file [<dir>]
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# Summary: Detect the file that sets the current pyenv version
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set -e
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[ -n "$PYENV_DEBUG" ] && set -x
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target_dir="$1"
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find_local_version_file() {
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local root="$1"
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# Nonexistent paths are UB as of this writing.
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# Relative ones cause a failure but absolute ones don't
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[[ $root != /* ]] && root=$(CDPATH= cd -- "$root" && pwd)
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while ! [[ "$root" =~ ^//[^/]*$ ]]; do
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if [ -f "${root}/.python-version" ]; then
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echo "${root}/.python-version"
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return 0
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fi
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[ -n "$root" ] || break
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root="${root%/*}"
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done
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return 1
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}
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if [ -n "$target_dir" ]; then
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find_local_version_file "$target_dir"
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else
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find_local_version_file "$PYENV_DIR" || {
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[ "$PYENV_DIR" != "$PWD" ] && find_local_version_file "$PWD"
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} || echo "${PYENV_ROOT}/version"
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fi
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