Add more environment variables to remove; from gentoo linux

Add some comments about what bad env variables go to what (more to do)

diff --git a/env.c b/env.c
index 033945ab4cf8d4afc9435a0d505b223de65cb8fc..9a741024c140dfe518ecb2ff54057bd9e9f1eabf 100644 (file)
--- a/env.c
+++ b/env.c
@@ -136,18 +136,30 @@ static const char *initial_badenv_table[] = {
     "USR_ACE",
     "DLC_ACE",
 #endif /* HAVE_SECURID */
-    "TERMINFO",
-    "TERMINFO_DIRS",
-    "TERMPATH",
+    "TERMINFO",                        /* terminfo, exclusive path to terminfo files */
+    "TERMINFO_DIRS",           /* terminfo, path(s) to terminfo files */
+    "TERMPATH",                        /* termcap, path(s) to termcap files */
     "TERMCAP",                 /* XXX - only if it starts with '/' */
-    "ENV",
-    "BASH_ENV",
-    "PS4",
-    "SHELLOPTS",
-    "JAVA_TOOL_OPTIONS",
-    "PERLLIB",
-    "PERL5LIB",
-    "PERL5OPT",
+    "ENV",                     /* ksh, file to source before script runs */
+    "BASH_ENV",                        /* bash, file to source before script runs */
+    "PS4",                     /* bash, prefix for lines in xtrace mode */
+    "GLOBIGNORE",              /* bash, globbing patterns to ignore */
+    "SHELLOPTS",               /* bash, extra command line options */
+    "JAVA_TOOL_OPTIONS",       /* java, extra command line options */
+    "PERLIO_DEBUG ",           /* perl, debugging output file */
+    "PERLLIB",                 /* perl, search path for modules/includes */
+    "PERL5LIB",                        /* perl 5, search path for modules/includes */
+    "PERL5OPT",                        /* perl 5, extra command line options */
+    "FPATH",                   /* ksh, search path for functions */
+    "NULLCMD",                 /* zsh, command for null file redirection */
+    "READNULLCMD",             /* zsh, command for null file redirection */
+    "ZDOTDIR",                 /* zsh, search path for dot files */
+    "TMPPREFIX",               /* zsh, prefix for temporary files */
+    "PYTHONHOME",              /* python, module search path */
+    "PYTHONPATH",              /* python, search path */
+    "PYTHONINSPEC",            /* python, allow inspection */
+    "RUBYLIB",                 /* ruby, library load path */
+    "RUBYOPT",                 /* ruby, extra command line options */
     NULL
 };