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| author | Jim Meyering <meyering@fb.com> | 2013-10-28 16:08:16 -0700 |
|---|---|---|
| committer | Jim Meyering <meyering@fb.com> | 2013-10-28 17:05:26 -0700 |
| commit | 5c508f686b9a0f986ac5d941d7be237ec047aedb (patch) | |
| tree | 48d84b22af0110bb34b177297354ba38f02d7289 /gnulib-tool | |
| parent | 233419c39c6d13d84439b95766328a238ffb6518 (diff) | |
| download | gnulib-5c508f686b9a0f986ac5d941d7be237ec047aedb.tar.gz | |
gnulib-tool: protect against CDPATH
* gnulib-tool: Many "cd" built-in functions print a directory name
to stdout when CDPATH is set, e.g.,
$ bash -c 'CDPATH=/; cd tmp'
/tmp
Unset it, when possible. Prompted by a comment from Bruce Korb.
Diffstat (limited to 'gnulib-tool')
| -rwxr-xr-x | gnulib-tool | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/gnulib-tool b/gnulib-tool index ed693e0163..669931c034 100755 --- a/gnulib-tool +++ b/gnulib-tool @@ -898,6 +898,9 @@ if test "X$1" = "X--no-reexec"; then shift fi +# Unset CDPATH. Otherwise, output from 'cd dir' can surprise callers. +(unset CDPATH) >/dev/null 2>&1 && unset CDPATH + # Command-line option processing. # Removes the OPTIONS from the arguments. Sets the variables: # - mode one of: list, find, import, add-import, remove-import, |