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This is a small script for helping your editor jump to specific points of interest. See the README for details. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
92 lines
2.8 KiB
Text
92 lines
2.8 KiB
Text
git-jump
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========
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Git-jump is a script for helping you jump to "interesting" parts of your
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project in your editor. It works by outputting a set of interesting
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spots in the "quickfix" format, which editors like vim can use as a
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queue of places to visit (this feature is usually used to jump to errors
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produced by a compiler). For example, given a diff like this:
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------------------------------------
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diff --git a/foo.c b/foo.c
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index a655540..5a59044 100644
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--- a/foo.c
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+++ b/foo.c
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@@ -1,3 +1,3 @@
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int main(void) {
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- printf("hello word!\n");
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+ printf("hello world!\n");
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}
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-----------------------------------
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git-jump will feed this to the editor:
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-----------------------------------
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foo.c:2: printf("hello word!\n");
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-----------------------------------
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Obviously this trivial case isn't that interesting; you could just open
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`foo.c` yourself. But when you have many changes scattered across a
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project, you can use the editor's support to "jump" from point to point.
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Git-jump can generate three types of interesting lists:
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1. The beginning of any diff hunks.
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2. The beginning of any merge conflict markers.
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3. Any grep matches.
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Using git-jump
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--------------
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To use it, just drop git-jump in your PATH, and then invoke it like
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this:
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--------------------------------------------------
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# jump to changes not yet staged for commit
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git jump diff
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# jump to changes that are staged for commit; you can give
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# arbitrary diff options
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git jump diff --cached
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# jump to merge conflicts
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git jump merge
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# jump to all instances of foo_bar
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git jump grep foo_bar
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# same as above, but case-insensitive; you can give
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# arbitrary grep options
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git jump grep -i foo_bar
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--------------------------------------------------
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Related Programs
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----------------
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You can accomplish some of the same things with individual tools. For
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example, you can use `git mergetool` to start vimdiff on each unmerged
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file. `git jump merge` is for the vim-wielding luddite who just wants to
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jump straight to the conflict text with no fanfare.
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As of git v1.7.2, `git grep` knows the `--open-files-in-pager` option,
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which does something similar to `git jump grep`. However, it is limited
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to positioning the cursor to the correct line in only the first file,
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leaving you to locate subsequent hits in that file or other files using
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the editor or pager. By contrast, git-jump provides the editor with a
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complete list of files and line numbers for each match.
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Limitations
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-----------
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This scripts was written and tested with vim. Given that the quickfix
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format is the same as what gcc produces, I expect emacs users have a
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similar feature for iterating through the list, but I know nothing about
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how to activate it.
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The shell snippets to generate the quickfix lines will almost certainly
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choke on filenames with exotic characters (like newlines).
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