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Merge branch 'jc/maint-protect-sh-from-ifs' into maint-1.7.11

When the user exports a non-default IFS without HT, scripts that
rely on being able to parse "ls-files -s | while read a b c..."
start to fail.  Protect them from such a misconfiguration.

* jc/maint-protect-sh-from-ifs:
  sh-setup: protect from exported IFS
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2 parents 3f66463 + 785063e commit 7cc51cfe5ebb4fc23221ebcb050b527b89ebc0bc @gitster gitster committed Sep 10, 2012
Showing with 4 additions and 0 deletions.
  1. +4 −0
@@ -9,8 +9,12 @@
# you would cause "cd" to be taken to unexpected places. If you
# like CDPATH, define it for your interactive shell sessions without
# exporting it.
+# But we protect ourselves from such a user mistake nevertheless.
unset CDPATH
+# Similarly for IFS
+unset IFS
git_broken_path_fix () {
case ":$PATH:" in
*:$1:*) : ok ;;

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