On Sat, Jul 27, 2013 at 4:49 AM, Stefan Beller
<stefanbeller@xxxxxxxxxxxxxx> wrote:
> I was fiddling around with make now to include the suggestion of Eric to
> check the arguments for being sorted in make. However I do not
> seem to fully understand the syntax yet.
> My approach would have been:
>
> sorted_internal_cmds: git.c
> { awk '/cmd_struct commands/,/};/ { if (match($2,/"/)) print $2 }' <git.c >builtin.actual && \
> sort <builtin.actual >builtin.expect && \
> cmp -s builtin.expect builtin.actual && \
> rm builtin.expect builtin.actual \
> }
>
> all:: sorted_internal_cmds
>
> But then there is
> $ make
> ...
> }
> /bin/sh: 5: Syntax error: end of file unexpected (expecting "}")
>
> So I suspect the { within the shell code inside the awk parameter is messing up?
As Andreas noted, you need a semicolon before the closing shell '}',
however it's not clear why you added the braces since they are not
needed. The following works (after fixing whitespace corruption):
-->8--
diff --git a/Makefile b/Makefile
index ef442eb..82e727c 100644
--- a/Makefile
+++ b/Makefile
@@ -1681,6 +1681,15 @@ shell_compatibility_test:
please_set_SHELL_PATH_to_a_more_modern_shell
strip: $(PROGRAMS) git$X
$(STRIP) $(STRIP_OPTS) $^
+.PHONY: sorted_internal_cmds
+all:: sorted_internal_cmds
+
+sorted_internal_cmds: git.c
+ @awk '/cmd_struct commands/,/};/ { if (match($$2,/"/)) print $$2 }'
<git.c >builtin.actual && \
+ sort <builtin.actual >builtin.expect && \
+ cmp -s builtin.expect builtin.actual && \
+ rm builtin.expect builtin.actual
+
### Target-specific flags and dependencies
# The generic compilation pattern rule and automatically
-->8--
Note the $$2 in awk expression. Also the .PHONY is a good idea.
However, perhaps, it is better for this check to be part of the test
suite. It might look like this (after fixing whitespace corruption):
-->8--
diff --git a/t/t0000-basic.sh b/t/t0000-basic.sh
index 10be52b..e5ba504 100755
--- a/t/t0000-basic.sh
+++ b/t/t0000-basic.sh
@@ -387,6 +387,14 @@ test_expect_success 'tests clean up even on failures' "
################################################################
# Basics of the basics
+# git.c commands[] of builtins is properly sorted
+test_expect_success 'builtin commands[] sorted' '
+ awk "/cmd_struct commands/,/};/ { if (match(\$2,/\"/)) print \$2 }" \
+ <../../git.c >actual && \
+ sort <actual >expect && \
+ test_cmp expect actual
+'
+
# updating a new file without --add should fail.
test_expect_success 'git update-index without --add should fail adding' '
test_must_fail git update-index should-be-empty
-->8--
I'm not sure that referencing ../../git.c from within the test suite
is kosher. Perhaps Jonathan can say something about that.
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