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Diffstat (limited to 'tags/t/trailing-whitespace.tag')
| -rw-r--r-- | tags/t/trailing-whitespace.tag | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/tags/t/trailing-whitespace.tag b/tags/t/trailing-whitespace.tag new file mode 100644 index 0000000..1040168 --- /dev/null +++ b/tags/t/trailing-whitespace.tag @@ -0,0 +1,27 @@ +Tag: trailing-whitespace +Severity: pedantic +Check: debian/trailing-whitespace +Renamed-From: file-contains-trailing-whitespace +Explanation: This file contains lines with trailing whitespace characters. + . + Whilst often harmless and unsightly, such extra whitespaces can also + cause tools to interpret the whitespace characters literally. The + tool <code>diff(1)</code> does not like them, either. They are best + avoided. + . + Some of these problems can be hard to track down. + . + Whitespace at the end of lines may be removed with the following: + . + $ sed -i -e 's@[[:space:]]*$@@g' debian/control debian/changelog + . + If you use Emacs, you can also use "M-x wh-cl" (whitespace-cleanup). + . + However, if you wish to only remove trailing spaces and leave trailing tabs + (eg. for Makefiles), you can use the following code snippet: + . + $ sed -i -e 's@[ ]*$@@g' debian/rules + . + To remove empty lines from the end of a file, you can use: + . + $ sed -i -e :a -e '/^\n*$/{$d;N;};/\n$/ba' debian/rules |