Mirrors/pyenv
1
0
Fork 0
mirror of https://github.com/pyenv/pyenv.git synced 2026-10-04 00:11:06 +09:00
Code Issues Packages Projects Releases Wiki Activity

Only test for UNC paths every iteration if they are special

Browse Source
This commit is contained in:
Ivan Pozdeev 2026-08-10 12:55:19 +03:00
parent 195b9fe940
commit 48e70e1fe9
1 changed files with 16 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

20
libexec/pyenv-version-file
View File

@ -11,12 +11,24 @@ find_local_version_file() {
# Nonexistent paths are UB as of this writing. # Nonexistent paths are UB as of this writing.
# Relative ones cause a failure but absolute ones don't # Relative ones cause a failure but absolute ones don't
[[ $root != /* ]] && root=$(CDPATH= cd -- "$root" && pwd) [[ $root != /* ]] && root=$(CDPATH= cd -- "$root" && pwd)
while ! [[ "$root" =~ ^//[^/]*$ ]]; do # Original Rbenv code supports UNC notaion for Cygwin/MinGW
if [ -f "${root}/.python-version" ]; then # (https://github.com/rbenv/rbenv/pull/529)
echo "${root}/.python-version" # POSIX.1-2024 still allows to treat //<name> in implementation-specific manner
# (https://pubs.opengroup.org/onlinepubs/9799919799/basedefs/V1_chap04.html#tag_04_16)
# even though few UNIX variants do that
local unc; [[ $root =~ ^//[^/] && ! / -ef // ]] && unc=1
# when testing root, $root is ""
while true; do
# don't test //.python-version if // is special
# as it's pointless and possibly very slow
# if it e.g. leads to a network search
[[ $unc && $root == / ]] && break
if [[ -f $root/.python-version ]]; then
echo "$root/.python-version"
return 0 return 0
fi fi
[ -n "$root" ] || break [[ -n $root ]] || break
root="${root%/*}" root="${root%/*}"
done done
return 1 return 1