Ensure that the locale selected by python_export_utf8_locale() conforms
to POSIX-ish case conversions. Otherwise, we may accidentally force
a locale that will break random ebuilds and programs.
---
eclass/python-utils-r1.eclass | 24 ++++++++++++++++++++++--
1 file changed, 22 insertions(+), 2 deletions(-)
diff --git a/eclass/python-utils-r1.eclass b/eclass/python-utils-r1.eclass
index 6ff1dd1..5e3338f 100644
--- a/eclass/python-utils-r1.eclass
+++ b/eclass/python-utils-r1.eclass
@@ -1141,6 +1141,24 @@ python_fix_shebang() {
done
}
+# @FUNCTION: _python_check_locale_sanity
+# @USAGE: <locale>
+# @RETURN: 0 if sane, 1 otherwise
+# @DESCRIPTION:
+# Check whether the specified locale sanely maps between lowercase
+# and uppercase ASCII characters.
+_python_check_locale_sanity() {
+ local -x LC_CTYPE=${1}
+ local IFS=
+
+ local lc=( {a..z} )
+ local uc=( {A..Z} )
+ local input=${lc[*]}${uc[*]}
+
+ local output=$(tr '[:lower:][:upper:]' '[:upper:][:lower:]'
<<<"${input}")
+ [[ ${output} == "${uc[*]}${lc[*]}" ]]
+}
+
# @FUNCTION: python_export_utf8_locale
# @RETURN: 0 on success, 1 on failure.
# @DESCRIPTION:
@@ -1165,8 +1183,10 @@ python_export_utf8_locale() {
for lang in ${locales}; do
if [[ $(LC_CTYPE=${lang} locale charmap 2>/dev/null) ==
UTF-8 ]]; then
- export LC_CTYPE=${lang}
- return 0
+ if _python_check_locale_sanity "${lang}"; then
+ export LC_CTYPE=${lang}
+ return 0
+ fi
fi
done
--
2.6.3
