Ensure that dircolors.c and ls.c remain in sync.

* Makefile.am (check-ls-dircolors): New rule.
(distcheck-hook): Depend on it.

diff --git a/Makefile.am b/Makefile.am
index a7083be..fcf5cfa 100644 (file)
--- a/Makefile.am
+++ b/Makefile.am
@@ -91,7 +91,7 @@ gen-ChangeLog:
          mv $(distdir)/cl-t $(distdir)/ChangeLog;                      \
        fi
 
-distcheck-hook:
+distcheck-hook: check-ls-dircolors
        $(MAKE) my-distcheck
 
 DISTCLEANFILES = VERSION
@@ -103,3 +103,15 @@ THANKS-to-translators: po/LINGUAS THANKStt.in
            echo http://www.iro.umontreal.ca/contrib/po/HTML/team-$$lang.html; \
          done;                                                         \
        ) > $@-tmp && mv $@-tmp $@
+
+# Ensure that the sets of two-letter codes in ls.c and dircolors.c
+# remain in sync.
+.PHONY: check-ls-dircolors
+check-ls-dircolors:
+       dc=$$(sed -n '/static.*ls_codes\[/,/};'/p src/dircolors.c       \
+         |sed -n '/^  *"/p'|tr , '\n'|sed 's/^  *//'                   \
+         |sed -n 's/^"\(..\)"/\1/p'|sort -u);                          \
+       ls=$$(sed -n '/static.*indicator_name\[/,/};'/p src/ls.c        \
+         |sed -n '/^  *"/p'|tr , '\n'|sed 's/^  *//'                   \
+         |sed -n 's/^"\(..\)"/\1/p'|sort -u);                          \
+       test "$$dc" = "$$ls"