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getting-started/theming.md: throw an error if the regex doesn't succeed.

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XhmikosR 2019-09-01 13:23:58 +03:00
parent cf4ae75eff
commit 2c9e22ef88
1 changed files with 4 additions and 0 deletions
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4
site/content/docs/4.3/getting-started/theming.md
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@ -373,6 +373,10 @@ Here are the variables we include (note that the `:root` is required). They're l
{{- $css := readFile "dist/css/bootstrap.css" -}}
{{- $match := findRE ":root {([^}]*)}" $css 1 -}}
{{- if (eq (len $match) 0) -}}
{{- errorf "Got no matches for :root in %q!" $.Page.Path -}}
{{- end -}}
{{- index $match 0 -}}
{{< /root.inline >}}