hugo: Configurable ignore list (filename regular expressions)

[ehammond]

Per http://discuss.gohugo.io/t/hugo-server-watch-should-ignore-emacs-lock-files/1265

Please add the ability to configure a list of regular expressions that specify filename patterns that hugo server --watch should ignore as triggers for rebuilding the site.

For example, I would like to add ^\.# (Emacs lock file symlink prefix) to the list to prevent hugo rebuild and browser reload every time I start editing a file.

[ehammond]

Your speed scares me. But thank you.

[bep]

Note my latest commit - I renamed it to ignoreFiles.

[jethrokuan]

I'm not sure what I'm doing wrong here, but I still face the same issue on 0.16-DEV.

I have ignoreFiles = ["^\\.#"] in my config.toml, and not only does livereload not work, refreshing the page does not reflect the changes in the markdown, because the site was not rebuilt.

The output of hugo serve:

❯ hugo serve                                                                                                    09:49:23 PM 
Started building site
0 of 1 draft rendered
0 future content
8 pages created
0 non-page files copied
0 paginator pages created
0 tags created
7 categories created
in 20 ms
Watching for changes in /home/jethro/Code/blog/{content,static,themes}
Serving pages from memory
Web Server is available at http://localhost:1313/ (bind address 127.0.0.1)
Press Ctrl+C to stop

Change detected, rebuilding site
2016-03-24 21:51 +0800
Source changed /home/jethro/Code/blog/content/posts/.#building-aagenda.md
^C⏎      

Edit:

From what I see here, it the lock file should be ignored by default.
https://github.com/spf13/hugo/blob/b319c1896907332c542b6cebda596ed63aeca9af/source/filesystem.go#L146-L149

[andrewalexander]

I have the exact same problem as @jethrokuan. Just did a go get -u -v github.com/spf13/hugo, and I see the relevant lines in fileserver.go have been updated. I also added this to my config.toml: watchIgnoreFiles = ["\\.#(\\w+)\\.(\\w+)"] thinking that I could make it happen with my own regex. And yet, I experience the same no-reload and a notification that the content is changed, but it never actually rebuilds anything since the content wasn't actually updated yet. My hugo server --watch output is a bit different though:

hugo server --watch
Started building site
0 draft content
0 future content
1 pages created
0 non-page files copied
0 paginator pages created
2 tags created
2 categories created
in 24 ms
Watching for changes in /home/andrew/Projects/fancy_new_project/{data,content,layouts,static,themes}
Serving pages from memory
Web Server is available at http://localhost:1313/ (bind address 127.0.0.1)
Press Ctrl+C to stop

Change detected, rebuilding site
2016-05-29 15:13 -0400

It doesn't say which file changed, only that a change was detected. Not a true deal-breaker, but when I edit in Sublime, it's really nice to have that live-reload vs. having to kill the hugo process and restart every time while I edit in emacs.

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