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* xdiff: print post-image for common records instead of pre-imagers/diff-postimage-in-contextRené Scharfe2012-01-061-7/+7
| | | | | | | | | | | | | | Normally it doesn't matter if we show the pre-image or th post-image for the common parts of a diff because they are the same. If white-space changes are ignored they can differ, though. The new text after applying the diff is more interesting in that case, so show that instead of the old contents. Note: GNU diff shows the pre-image. Suggested-by: Junio C Hamano <gitster@pobox.com> Signed-off-by: Rene Scharfe <rene.scharfe@lsrfire.ath.cx> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* Make the tab width used for whitespace checks configurableJohannes Sixt2010-12-011-0/+28
| | | | | | | | | | | | | | A new whitespace "rule" is added that sets the tab width to use for whitespace checks and fix-ups and replaces the hard-coded constant 8. Since the setting is part of the rules, it can be set per file using .gitattributes. The new configuration is backwards compatible because older git versions simply ignore unknown whitespace rules. Signed-off-by: Johannes Sixt <j6t@kdbg.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* Merge branch 'en/and-cascade-tests'Junio C Hamano2010-11-241-1/+1
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * en/and-cascade-tests: (25 commits) t4124 (apply --whitespace): use test_might_fail t3404: do not use 'describe' to implement test_cmp_rev t3404 (rebase -i): introduce helper to check position of HEAD t3404 (rebase -i): move comment to description t3404 (rebase -i): unroll test_commit loops t3301 (notes): use test_expect_code for clarity t1400 (update-ref): use test_must_fail t1502 (rev-parse --parseopt): test exit code from "-h" t6022 (renaming merge): chain test commands with && test-lib: introduce test_line_count to measure files tests: add missing &&, batch 2 tests: add missing && Introduce sane_unset and use it to ensure proper && chaining t7800 (difftool): add missing && t7601 (merge-pull-config): add missing && t7001 (mv): add missing && t6016 (rev-list-graph-simplify-history): add missing && t5602 (clone-remote-exec): add missing && t4026 (color): remove unneeded and unchained command t4019 (diff-wserror): add lots of missing && ... Conflicts: t/t7006-pager.sh
| * tests: add missing &&Jonathan Nieder2010-11-091-1/+1
| | | | | | | | | | | | | | | | | | | | | | Breaks in a test assertion's && chain can potentially hide failures from earlier commands in the chain. Commands intended to fail should be marked with !, test_must_fail, or test_might_fail. The examples in this patch do not require that. Signed-off-by: Jonathan Nieder <jrnieder@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* | diff: handle lines containing only whitespace and tabs betterKevin Ballard2010-10-201-0/+37
|/ | | | | | | | | | | | | | When a line contains nothing but whitespace with at least one tab and the core.whitespace config option contains blank-at-eol, the whitespace on the line is being printed twice, once unhighlighted (unless otherwise matched by one of the other core.whitespace values), and a second time highlighted for blank-at-eol. Update the leading indentation check to stop checking when it reaches the trailing whitespace. Signed-off-by: Kevin Ballard <kevin@sb.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* Merge branch 'cc/maint-diff-CC-binary'Junio C Hamano2010-06-181-0/+37
|\ | | | | | | | | | | | | | | * cc/maint-diff-CC-binary: diff: fix "git show -C -C" output when renaming a binary file Conflicts: diff.c
| * diff: fix "git show -C -C" output when renaming a binary fileChristian Couder2010-06-061-0/+37
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | A bug was introduced in 3e97c7c6af2901cec63bf35fcd43ae3472e24af8 (No diff -b/-w output for all-whitespace changes, Nov 19 2009) that made the lines: diff --git a/bar b/sub/bar similarity index 100% rename from bar rename to sub/bar disappear from "git show -C -C" output when file bar is a binary file. Signed-off-by: Christian Couder <chriscool@tuxfamily.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* | whitespace: tests for git-diff --check with tab-in-indent error classChris Webb2010-04-041-0/+42
|/ | | | | | | [jc: with test fixes from J6t] Signed-off-by: Chris Webb <chris@arachsys.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* No diff -b/-w output for all-whitespace changesGreg Bacon2009-11-201-2/+12
| | | | | | | | | | | Change git-diff's whitespace-ignoring modes to generate output only if a non-empty patch results, which git-apply rejects. Update the tests to look for the new behavior. Signed-off-by: Greg Bacon <gbacon@dbresearch.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* Merge branch 'jc/maint-1.6.0-blank-at-eof' (early part) into ↵Junio C Hamano2009-09-151-2/+9
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | jc/maint-blank-at-eof * 'jc/maint-1.6.0-blank-at-eof' (early part): diff --whitespace: fix blank lines at end core.whitespace: split trailing-space into blank-at-{eol,eof} diff --color: color blank-at-eof diff --whitespace=warn/error: fix blank-at-eof check diff --whitespace=warn/error: obey blank-at-eof diff.c: the builtin_diff() deals with only two-file comparison apply --whitespace: warn blank but not necessarily empty lines at EOF apply --whitespace=warn/error: diagnose blank at EOF apply.c: split check_whitespace() into two apply --whitespace=fix: detect new blank lines at eof correctly apply --whitespace=fix: fix handling of blank lines at the eof
| * diff --whitespace=warn/error: fix blank-at-eof checkJunio C Hamano2009-09-041-0/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The "diff --check" logic used to share the same issue as the one fixed for "git apply" earlier in this series, in that a patch that adds new blank lines at end could appear as @@ -l,5 +m,7 @@$ _context$ _context$ -deleted$ +$ +$ +$ _$ _$ where _ stands for SP and $ shows a end-of-line. Instead of looking at each line in the patch in the callback, simply count the blank lines from the end in two versions, and notice the presence of new ones. Signed-off-by: Junio C Hamano <gitster@pobox.com>
| * diff --whitespace=warn/error: obey blank-at-eofJunio C Hamano2009-09-041-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | The "diff --check" code used to conflate trailing-space whitespace error class with this, but now we have a proper separate error class, we should check it under blank-at-eof, not trailing-space. The whitespace error is not about _having_ blank lines at end, but about adding _new_ blank lines. To keep the message consistent with what is given by "git apply", call whitespace_error_string() to generate it, instead of using a hardcoded custom message. Signed-off-by: Junio C Hamano <gitster@pobox.com>
* | Merge branch 'kc/maint-diff-bwi-fix'Junio C Hamano2009-01-211-4/+4
|\ \ | | | | | | | | | | | | * kc/maint-diff-bwi-fix: Fix combined use of whitespace ignore options to diff
| * | Fix combined use of whitespace ignore options to diffKeith Cascio2009-01-191-4/+4
| | | | | | | | | | | | | | | | | | | | | | | | The code used to misbehave when options to ignore certain whitespaces (-w -b and --ignore-at-eol) were combined. Signed-off-by: Keith Cascio <keith@cs.ucla.edu> Signed-off-by: Junio C Hamano <gitster@pobox.com>
| * | test more combinations of ignore-whitespace options to diffKeith Cascio2009-01-191-0/+27
| |/ | | | | | | | | | | | | | | | | | | | | There are three flags involved (-w -b and --ignore-space-at-eol) which makes 8 combinations possible in total, but only 3 cases are tested (none, -w alone and -b alone). This adds the other 5 cases. Signed-off-by: Keith Cascio <keith@cs.ucla.edu> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* | test more combinations of ignore-whitespace options to diffKeith Cascio2009-01-171-0/+27
| | | | | | | | | | | | | | | | | | | | | | There are three flags involved (-w -b and --ignore-space-at-eol) which makes 8 combinations possible in total, but only 3 cases are tested (none, -w alone and -b alone). This adds the other 5 cases. Signed-off-by: Keith Cascio <keith@cs.ucla.edu> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* | Merge branch 'maint' to sync with 1.6.0.1Junio C Hamano2008-08-241-0/+16
|\ \ | |/
| * Respect core.autocrlf in combined diffAlexander Gavrilov2008-08-231-0/+16
| | | | | | | | | | | | | | | | | | | | Fix git-diff to make it produce useful 3-way diffs for merge conflicts in repositories with autocrlf enabled. Otherwise it always reports that the whole file was changed, because it uses the contents from the working tree without necessary conversion. Signed-off-by: Alexander Gavrilov <angavrilov@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* | Merge branch 'jc/test-deeper'Junio C Hamano2008-08-201-1/+1
|\ \ | |/ |/| | | | | * jc/test-deeper: tests: use $TEST_DIRECTORY to refer to the t/ directory
| * tests: use $TEST_DIRECTORY to refer to the t/ directoryJunio C Hamano2008-08-171-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Many test scripts assumed that they will start in a 'trash' subdirectory that is a single level down from the t/ directory, and referred to their test vector files by asking for files like "../t9999/expect". This will break if we move the 'trash' subdirectory elsewhere. To solve this, we earlier introduced "$TEST_DIRECTORY" so that they can refer to t/ directory reliably. This finally makes all the tests use it to refer to the outside environment. With this patch, and a one-liner not included here (because it would contradict with what Dscho really wants to do): | diff --git a/t/test-lib.sh b/t/test-lib.sh | index 70ea7e0..60e69e4 100644 | --- a/t/test-lib.sh | +++ b/t/test-lib.sh | @@ -485,7 +485,7 @@ fi | . ../GIT-BUILD-OPTIONS | | # Test repository | -test="trash directory" | +test="trash directory/another level/yet another" | rm -fr "$test" || { | trap - exit | echo >&5 "FATAL: Cannot prepare test area" all the tests still pass, but we would want extra sets of eyeballs on this type of change to really make sure. [jc: with help from Stephan Beyer on http-push tests I do not run myself; credits for locating silly quoting errors go to Olivier Marin.] Signed-off-by: Junio C Hamano <gitster@pobox.com>
* | diff --check: do not get confused by new blank lines in the middleJunio C Hamano2008-08-201-0/+11
|/ | | | | | | | | | | The code remembered that the last diff output it saw was an empty line, and tried to reset that state whenever it sees a context line, a non-blank new line, or a new hunk. However, this codepath asks the underlying diff engine to feed diff without any context, and the "just saw an empty line" state was not reset if you added a new blank line in the last hunk of your patch, even if it is not the last line of the file. Signed-off-by: Junio C Hamano <gitster@pobox.com>
* t/: Use "test_must_fail git" instead of "! git"Stephan Beyer2008-07-131-14/+14
| | | | | | | | | | | | | | | This patch changes every occurrence of "! git" -- with the meaning that a git call has to gracefully fail -- into "test_must_fail git". This is useful to - make sure the test does not fail because of a signal, e.g. SIGSEGV, and - advertise the use of "test_must_fail" for new tests. Signed-off-by: Stephan Beyer <s-beyer@gmx.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* Teach "diff --check" about new blank lines at endJunio C Hamano2008-06-261-0/+6
| | | | | | | When a patch adds new blank lines at the end, "git apply --whitespace" warns. This teaches "diff --check" to do the same. Signed-off-by: Junio C Hamano <gitster@pobox.com>
* mask necessary whitespace policy violations in test scriptsJeff King2008-06-141-4/+4
| | | | | | | | | | | | | | | | | | | | All of these violations are necessary parts of the tests (which are generally checking the behavior of trailing whitespace, or contain diff fragments with empty lines). Our solution is two-fold: 1. Process input with whitespace problems using tr. This has the added bonus that it becomes very obvious where the bogus whitespace is intended to go. 2. Move large diff fragments into their own supplemental files. This gets rid of the whitespace problem, since supplemental files are not checked, and it also makes the test script a bit easier to read. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* tests: do not use implicit "git diff --no-index"Junio C Hamano2008-05-241-6/+6
| | | | | | | | | | | As a general principle, we should not use "git diff" to validate the results of what git command that is being tested has done. We would not know if we are testing the command in question, or locating a bug in the cute hack of "git diff --no-index". Rather use test_cmp for that purpose. Signed-off-by: Junio C Hamano <gitster@pobox.com>
* diff: Fix miscounting of --check outputJunio C Hamano2008-02-151-0/+9
| | | | | | | | | | | | | c1795bb (Unify whitespace checking) incorrectly made the checking function return without incrementing the line numbers when there is no whitespace problem is found on a '+' line. This resurrects the earlier behaviour. Noticed and reported by Jay Soffian. The test script was stolen from Jay's independent fix. Signed-off-by: Junio C Hamano <gitster@pobox.com>
* whitespace: fix initial-indent checkingJ. Bruce Fields2007-12-161-0/+15
| | | | | | | | | | | | | | | | | | After this patch, "written" counts the number of bytes up to and including the most recently seen tab. This allows us to detect (and count) spaces by comparing to "i". This allows catching initial indents like '\t ' (a tab followed by 8 spaces), while previously indent-with-non-tab caught only indents that consisted entirely of spaces. This also allows fixing an indent-with-non-tab regression, so we can again detect indents like '\t \t'. Also update tests to catch these cases. Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* whitespace: fix off-by-one error in non-space-in-indent checkingJ. Bruce Fields2007-12-161-2/+2
| | | | | | | | | | If there were no tabs, and the last space was at position 7, then positions 0..7 had spaces, so there were 8 spaces. Update test to check exactly this case. Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* Use shorter error messages for whitespace problemsWincent Colaiuta2007-12-141-1/+1
| | | | | | | | | | | | The initial version of the whitespace_error_string() function took the messages from builtin-apply.c rather than the shorter messages from diff.c. This commit addresses Junio's concern that these messages might be too long (now that we can emit multiple warnings per line). Signed-off-by: Wincent Colaiuta <win@wincent.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* Add tests for "git diff --check" with core.whitespace optionsWincent Colaiuta2007-12-131-20/+70
| | | | | | | | | | | Make sure that "git diff --check" does the right thing when the core.whitespace options are set. While we are at it, correct many uses of test_expect_failure that ran sequence of commands. Signed-off-by: Wincent Colaiuta <win@wincent.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* Unify whitespace checkingWincent Colaiuta2007-12-131-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | This commit unifies three separate places where whitespace checking was performed: - the whitespace checking previously done in builtin-apply.c is extracted into a function in ws.c - the equivalent logic in "git diff" is removed - the emit_line_with_ws() function is also removed because that also rechecks the whitespace, and its functionality is rolled into ws.c The new function is called check_and_emit_line() and it does two things: checks a line for whitespace errors and optionally emits it. The checking is based on lines of content rather than patch lines (in other words, the caller must strip the leading "+" or "-"); this was suggested by Junio on the mailing list to allow for a future extension to "git show" to display whitespace errors in blobs. At the same time we teach it to report all classes of whitespace errors found for a given line rather than reporting only the first found error. Signed-off-by: Wincent Colaiuta <win@wincent.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* diff --check: minor fixupsJunio C Hamano2007-12-131-2/+2
| | | | | | | | | | | | | | There is no reason --exit-code and --check-diff must be mutually exclusive, so assign different bits to different results and allow them to be returned from the command. Introduce diff_result_code() to factor out the common code to decide final status code based on diffopt settings and use it everywhere. Update tests to match the above fix. Turning pager off when "diff --check" is used is a regression. Signed-off-by: Junio C Hamano <gitster@pobox.com>
* "diff --check" should affect exit statusWincent Colaiuta2007-12-131-1/+136
| | | | | | | | | | | | "git diff" has a --check option that can be used to check for whitespace problems but it only reported by printing warnings to the console. Now when the --check option is used we give a non-zero exit status, making "git diff --check" nicer to use in scripts and hooks. Signed-off-by: Wincent Colaiuta <win@wincent.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* Fix "diff --check" whitespace detectionWincent Colaiuta2007-12-121-0/+9
| | | | | | | | | "diff --check" would only detect spaces before tabs if a tab was the last character in the leading indent. Fix that and add a test case to make sure the bug doesn't regress in the future. Signed-off-by: Wincent Colaiuta <win@wincent.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* Rewrite "git-frotz" to "git frotz"Junio C Hamano2007-07-021-8/+8
| | | | | | This uses the remove-dashes target to replace "git-frotz" to "git frotz". Signed-off-by: Junio C Hamano <gitster@pobox.com>
* Get rid of the dependency to GNU diff in the testsJohannes Schindelin2007-03-041-6/+6
| | | | | | | | | | | | | | | Now that "git diff" handles stdin and relative paths outside the working tree correctly, we can convert all instances of "diff -u" to "git diff". This commit is really the result of $ perl -pi.bak -e 's/diff -u/git diff/' $(git grep -l "diff -u" t/) Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de> Signed-off-by: Junio C Hamano <junkio@cox.net> (cherry picked from commit c699a40d68215c7e44a5b26117a35c8a56fbd387)
* diff -b: ignore whitespace at end of lineJohannes Schindelin2006-12-041-4/+2
| | | | | | | | This is _not_ the same as "treat eol as whitespace", since that would mean that multiple empty lines would be treated as equal to e.g. a space. Signed-off-by: Johannes Schindelin <Johannes.Schindelin@gmx.de> Signed-off-by: Junio C Hamano <junkio@cox.net>
* t4015: work-around here document problem on Cygwin.Junio C Hamano2006-10-131-6/+6
| | | | Signed-off-by: Junio C Hamano <junio@twinsun.com>
* diff: fix 2 whitespace issuesJohannes Schindelin2006-10-121-0/+122
When whitespace or whitespace change was ignored, the function xdl_recmatch() returned memcmp() style differences, which is wrong, since it should return 0 on non-match. Also, there were three horrible off-by-one bugs, even leading to wrong hashes in the whitespace special handling. The issue was noticed by Ray Lehtiniemi. For good measure, this commit adds a test. Signed-off-by: Johannes Schindelin <Johannes.Schindelin@gmx.de> Signed-off-by: Junio C Hamano <junkio@cox.net>
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