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Set correct background on existing GitGutter* highlight groups

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Previously if the user or the colourscheme had already defined
GitGutter* highlight groups, the plugin would leave their backgrounds
alone.  This pushed the responsibility for figuring out and specifying
the correct backgrounds onto the user or colourscheme maintainer.

With this change the plugin now sets the correct background on existing
GitGutter* highlight groups.

Also, the documentation was simplified so it is clearer how to set your
own colours for the signs.
This commit is contained in:
Andy Stewart
2020-04-25 11:17:34 +01:00
parent 6b46098b2a
commit 8db2fc5da0
3 changed files with 22 additions and 30 deletions
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16
doc/gitgutter.txt
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@@ -529,20 +529,14 @@ of the current window instead of the global quickfix list.
===============================================================================
HIGHLIGHTS *gitgutter-highlights*
To change the signs' colours, set up the following highlight groups in your
colorscheme or |vimrc|:
To change the signs' colours, specify these highlight groups in your |vimrc|:
>
GitGutterAdd " an added line
GitGutterChange " a changed line
GitGutterDelete " at least one removed line
GitGutterChangeDelete " a changed line followed by at least one removed line
highlight GitGutterAdd guifg=#009900 ctermfg=2
highlight GitGutterChange guifg=#bbbb00 ctermfg=3
highlight GitGutterDelete guifg=#ff2222 ctermfg=1
<
You can either set these with `highlight GitGutterAdd {key}={arg}...` or link
them to existing highlight groups with, say:
>
highlight link GitGutterAdd MyDiffAdd
<
See |highlight-guifg| and |highlight-ctermfg| for the values you can use.
To change the line highlights, set up the following highlight groups in your
colorscheme or |vimrc|: