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2010-04-14diff: add --word-diff option that generalizes --color-wordsLibravatar Thomas Rast1-0/+122
This teaches the --color-words engine a more general interface that supports two new modes: * --word-diff=plain, inspired by the 'wdiff' utility (most similar to 'wdiff -n <old> <new>'): uses delimiters [-removed-] and {+added+} * --word-diff=porcelain, which generates an ad-hoc machine readable format: - each diff unit is prefixed by [-+ ] and terminated by newline as in unified diff - newlines in the input are output as a line consisting only of a tilde '~' Both of these formats still support color if it is enabled, using it to highlight the differences. --color-words becomes a synonym for --word-diff=color, which is the color-only format. Also adds some compatibility/convenience options. Thanks to Junio C Hamano and Miles Bader for good ideas. Signed-off-by: Thomas Rast <trast@student.ethz.ch> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-12-27Merge branch 'jk/1.7.0-status'Libravatar Junio C Hamano1-19/+9
* jk/1.7.0-status: status/commit: do not suggest "reset HEAD <path>" while merging commit/status: "git add <path>" is not necessarily how to resolve commit/status: check $GIT_DIR/MERGE_HEAD only once t7508-status: test all modes with color t7508-status: status --porcelain ignores relative paths setting status: reduce duplicated setup code status: disable color for porcelain format status -s: obey color.status builtin-commit: refactor short-status code into wt-status.c t7508-status.sh: Add tests for status -s status -s: respect the status.relativePaths option docs: note that status configuration affects only long format commit: support alternate status formats status: add --porcelain output format status: refactor format option parsing status: refactor short-mode printing to its own function status: typo fix in usage git status: not "commit --dry-run" anymore git stat -s: short status output git stat: the beginning of "status that is not a dry-run of commit" Conflicts: t/t4034-diff-words.sh wt-status.c
2009-12-08t7508-status: test all modes with colorLibravatar Michael J Gruber1-16/+7
Move a useful script function to decode colored output to text form from t4034 and use it in this test as well. Signed-off-by: Michael J Gruber <git@drmicha.warpmail.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-11-28Give the hunk comment its own colorLibravatar Bert Wesarg1-1/+3
Inspired by the coloring of quilt. Introduce a separate color and paint the hunk comment part, i.e. the name of the function, in a separate color "diff.func" (defaults to plain). Whitespace between hunk header and hunk comment is printed in plain color. Signed-off-by: Bert Wesarg <bert.wesarg@googlemail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-11-27emit_line(): don't emit an empty <SET><RESET> followed by a newlineLibravatar Junio C Hamano1-4/+4
When emit_line() is called with an empty line (but non-zero length, as we send line terminating LF or CRLF to the function), it used to emit <SET><RESET> followed by a newline. Stop the wastefulness. Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-10-30diff --color-words -U0: fix the location of hunk headersLibravatar Johannes Schindelin1-1/+1
Colored word diff without context lines firstly printed all the hunk headers among each other and then printed the diff. This was due to the code relying on getting at least one context line at the end of each hunk, where the colored words would be flushed (it is done that way to be able to ignore rewrapped lines). Noticed by Markus Heidelberg. Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-10-30t4034-diff-words: add a test for word diff without contextLibravatar Markus Heidelberg1-0/+20
Signed-off-by: Markus Heidelberg <markus.heidelberg@web.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-01-21Change the spelling of "wordregex".Libravatar Boyd Stephen Smith Jr1-4/+4
Use "wordRegex" for configuration variable names. Use "word_regex" for C language tokens. Signed-off-by: Boyd Stephen Smith Jr. <bss@iguanasuicide.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-01-21color-words: Support diff.wordregex config optionLibravatar Boyd Stephen Smith Jr1-2/+43
When diff is invoked with --color-words (w/o =regex), use the regular expression the user has configured as diff.wordregex. diff drivers configured via attributes take precedence over the diff.wordregex-words setting. If the user wants to change them, they have their own configuration variables. Signed-off-by: Boyd Stephen Smith Jr <bss@iguanasuicide.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-01-17color-words: make regex configurable via attributesLibravatar Thomas Rast1-0/+36
Make the --color-words splitting regular expression configurable via the diff driver's 'wordregex' attribute. The user can then set the driver on a file in .gitattributes. If a regex is given on the command line, it overrides the driver's setting. We also provide built-in regexes for the languages that already had funcname patterns, and add an appropriate diff driver entry for C/++. (The patterns are designed to run UTF-8 sequences into a single chunk to make sure they remain readable.) Signed-off-by: Thomas Rast <trast@student.ethz.ch> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-01-17color-words: take an optional regular expression describing wordsLibravatar Johannes Schindelin1-0/+57
In some applications, words are not delimited by white space. To allow for that, you can specify a regular expression describing what makes a word with git diff --color-words='[A-Za-z0-9]+' Note that words cannot contain newline characters. As suggested by Thomas Rast, the words are the exact matches of the regular expression. Note that a regular expression beginning with a '^' will match only a word at the beginning of the hunk, not a word at the beginning of a line, and is probably not what you want. This commit contains a quoting fix by Thomas Rast. Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-01-17color-words: change algorithm to allow for 0-character word boundariesLibravatar Johannes Schindelin1-0/+66
Up until now, the color-words code assumed that word boundaries are identical to white space characters. Therefore, it could get away with a very simple scheme: it copied the hunks, substituted newlines for each white space character, called libxdiff with the processed text, and then identified the text to output by the offsets (which agreed since the original text had the same length). This code was ugly, for a number of reasons: - it was impossible to introduce 0-character word boundaries, - we had to print everything word by word, and - the code needed extra special handling of newlines in the removed part. Fix all of these issues by processing the text such that - we build word lists, separated by newlines, - we remember the original offsets for every word, and - after calling libxdiff on the wordlists, we parse the hunk headers, and find the corresponding offsets, and then - we print the removed/added parts in one go. The pre and post samples in the test were provided by Santi BĂ©jar. Note that there is some strange special handling of hunk headers where one line range is 0 due to POSIX: in this case, the start is one too low. In other words a hunk header '@@ -1,0 +2 @@' actually means that the line must be added after the _second_ line of the pre text, _not_ the first. Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>