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* tests/colors: Use "returns_ 1" rather than testing $? = 1
* tests/basic: Likewise.
* tests/binary: Likewise.
* tests/filename-quoting: Likewise.
* tests/function-line-vs-leading-space: Likewise.
* tests/ignore-matching-lines: Likewise.
* tests/label-vs-func: Likewise.
* tests/new-file: Likewise.
* tests/no-dereference: Likewise.
* tests/no-newline-at-eof: Likewise.
* tests/stdin: Likewise.
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Problem reported by Vincent Lefevre in <http://bugs.gnu.org/16608>.
* NEWS:
* doc/diffutils.texi (Binary, Invoking diff): Document this.
* src/analyze.c (briefly_report): Return void, not int.
All uses changed. Do not futz with exit status. Simplify.
* tests/binary: Adjust to match new behavior.
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* tests/binary: Reverse arguments to compare to avoid failure of
new syntax-check rule.
* configure.ac: Use -Wno-format-nonliteral.
Mark functions as pure of const, per recommendations enabled by
new gcc -W options. Use _GL_ATTRIBUTE_PURE and _GL_ATTRIBUTE_CONST.
* lib/cmpbuf.h (buffer_lcm, block_compare):
Apply pure and/or const attributes.
* src/cmp.c (block_compare): Likewise.
* src/context.c (find_hunk): Likewise.
* src/diff.h (lines_differ): Likewise.
* src/diff3.c (skipwhite): Likewise.
* src/dir.c (dir_loop): Likewise.
* src/util.c (find_change, find_reverse_change): Likewise.
(translate_line_number): Likewise.
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Likewise, when an empty file is expected, use "compare /dev/null out",
not "compare out /dev/null". I.e., specify the expected/desired contents
via the first file name. Prompted by a suggestion from Bruno Haible
in http://thread.gmane.org/gmane.comp.gnu.grep.bugs/4020/focus=29154
Run these commands:
git grep -l -E 'compare [^ ]+ exp' \
|xargs perl -pi -e 's/\b(compare) (\S+) (exp\S*)/$1 $3 $2/'
git grep -l -E 'compare [^ ]+ /dev/null' \
|xargs perl -pi -e 's,\b(compare) (\S+) (/dev/null),$1 $3 $2,'
But manually convert this one:
-compare out exp-$(echo $opt|tr ' ' _)
+compare exp-$(echo $opt|tr ' ' _) out
and avoid an inappropriate change to cfg.mk.
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All the test scripts in the diffutils testsuite are shell scripts,
so the current definition of TESTS_ENVIRONMENT, which adaptively
run tests using either perl or the shell depending on their kind,
is an overkill.
Moreover, this change is required in order for the testsuite to
continue to work with the new testsuite harness that is planned
to be introduced in Automake 1.12 (which, as of the writing date,
is still under development and in late alpha state).
See also related discussion on bug-coreutils:
<http://debbugs.gnu.org/cgi/bugreport.cgi?bug=8887>
* tests/Makefile.am (TESTS_ENVIRONMENT): Remove definition of the
`shell_or_perl_' shell function, which is not required anymore.
(LOG_COMPILER): New, define to `$(SHELL)'.
* tests/binary: Make executable.
* tests/colliding-file-names: Likewise.
* tests/excess-slash: Likewise.
* tests/no-newline-at-eof: Likewise.
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* tests/help-version: Use one line: "${srcdir=.}/init.sh"; ...
* tests/basic: Likewise.
* tests/binary: Likewise.
* tests/colliding-file-names: Likewise.
* tests/excess-slash: Likewise.
* tests/function-line-vs-leading-space: Likewise.
* tests/help-version: Likewise.
* tests/label-vs-func: Likewise.
* tests/no-newline-at-eof: Likewise.
* tests/stdin: Likewise.
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* tests/basic: Likewise.
* tests/binary: Likewise.
* tests/function-line-vs-leading-space: Likewise.
* tests/label-vs-func: Likewise.
* tests/stdin: Likewise.
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* tests/binary: New script.
* tests/Makefile.am (TESTS): Add it.
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