Cut version 2.1.0

- Additionally make some small formatting changes
- Loosen rubocop restrictions. A younger, more idealistic me thought
  they were a good idea.

.rubocop.yml

@@ -24,11 +24,14 @@ AllCops:
     - '**/vendor/**/*'
 
 Layout/LineLength:
-  Max: 80
+  Max: 120
 
 # Disabled Cops
 Style/FrozenStringLiteralComment:
   Enabled: false
 
 Style/StringConcatenation:
   Enabled: false
+
+Metrics/MethodLength:
+  Enabled: false

docs/devs/releases.md

@@ -2,6 +2,10 @@
 ---
 # Release History
 
+* 2.1.0 29 January, 2024
+  * Check whether the vips CLI is installed before trying to use it. Thanks to @philrb for 
+    [#299](https://github.com/rbuchberger/jekyll_picture_tag/pull/299)
+  * Update minimum required mocha version to maintain compatibility with minitest
 * 2.0.4 August 16, 2022
   * Fix backend format support detection for new versions of libvips & imagemagick
 * 2.0.3 April 1, 2021

lib/jekyll_picture_tag/parsers/image_backend.rb

@@ -14,26 +14,26 @@ def handler_for(format)
 
       # Returns array of formats that vips can save to
       def vips_formats
-        if command?("vips")
+        if command?('vips')
           @vips_formats ||= `vips -l`
-            .split("/n")
-            .select { |line| line.include? "ForeignSave" }
-            .flat_map { |line| line.scan(/\.[a-z]{1,5}/) }
-            .map { |format| format.strip.delete_prefix(".") }
-            .uniq
+                            .split('/n')
+                            .select { |line| line.include? 'ForeignSave' }
+                            .flat_map { |line| line.scan(/\.[a-z]{1,5}/) }
+                            .map { |format| format.strip.delete_prefix('.') }
+                            .uniq
         else
           @vips_formats = []
         end
       end
 
       # Returns an array of formats that imagemagick can handle.
       def magick_formats
-        if command?("convert")
+        if command?('convert')
           @magick_formats ||= `convert -version`
-            .scan(/Delegates.*/)
-            .first
-            .delete_prefix("Delegates (built-in):")
-            .split
+                              .scan(/Delegates.*/)
+                              .first
+                              .delete_prefix('Delegates (built-in):')
+                              .split
         else
           @magick_formats = []
         end
@@ -51,17 +51,17 @@ def all_names(format)
       def error_string(format)
         str = []
         str << "No support for generating \"#{format}\" files in this environment!"
-        if command?("vips")
-          str << "Libvips (installed) supports: \"#{vips_formats.join(", ")}\"."
-        else
-          str << "Libvips is not installed."
-        end
-        if command?("convert")
-          str << "Imagemagick (installed) supports: \"#{magick_formats.join(", ")}\"."
-        else
-          str << "Imagemagick is not installed."
-        end
-        str.join(" ")
+        str << if command?('vips')
+                 "Libvips (installed) supports: \"#{vips_formats.join(', ')}\"."
+               else
+                 'Libvips is not installed.'
+               end
+        str << if command?('convert')
+                 "Imagemagick (installed) supports: \"#{magick_formats.join(', ')}\"."
+               else
+                 'Imagemagick is not installed.'
+               end
+        str.join(' ')
       end
 
       def alternates

lib/jekyll_picture_tag/version.rb

@@ -1,3 +1,3 @@
 module PictureTag
-  VERSION = '2.0.4'.freeze
+  VERSION = '2.1.0'.freeze
 end

readme.md

@@ -18,10 +18,9 @@ If you're interested, contact me: robert@buchberger.cc
 **Responsive Images done correctly.**
 
 It's simple to throw a photo on a page and call it a day, but doing justice to users on all
-different browsers and devices is tedious and tricky. Tedious, tricky things should be automated. 
+different browsers and devices is tedious and tricky. Tedious, tricky things should be automated.
 [This blog post further elaborates on that theme.](https://robert-buchberger.com/blog/2021/responsive_images.html)
 
-
 Jekyll Picture Tag automatically builds cropped, resized, and reformatted images, builds several
 kinds of markup, offers extensive configuration while requiring none, and solves both the art
 direction and resolution switching problems with a little YAML configuration and a simple template
@@ -50,16 +49,20 @@ Tag is your responsive images minion - give it simple instructions and it'll han
 * Configure it easily, or not at all.
 * Make Lighthouse happy.
 
-## Documentation:
+## Documentation
 
-https://rbuchberger.github.io/jekyll_picture_tag/
+<https://rbuchberger.github.io/jekyll_picture_tag/>
 
-## Changelog:
+## Changelog
 
-https://rbuchberger.github.io/jekyll_picture_tag/devs/releases
+<https://rbuchberger.github.io/jekyll_picture_tag/devs/releases>
 
 Recent releases:
 
+* 2.1.0 29 January, 2024
+  * Check whether the vips CLI is installed before trying to use it. Thanks to @philrb for
+    [#299](https://github.com/rbuchberger/jekyll_picture_tag/pull/299)
+  * Update minimum required mocha version to maintain compatibility with minitest
 * 2.0.4 August 16, 2022
   * Fix backend format support detection for new versions of libvips & imagemagick
 * 2.0.3 April 1, 2021
@@ -82,11 +85,11 @@ Recent releases:
   * Require Ruby >= 2.6, support Ruby 3.0
   * Require Jekyll >= 4.0
   * Cropping is changing.
-      * We now use the libvips
+    * We now use the libvips
         [smartcrop function](https://www.rubydoc.info/gems/ruby-vips/Vips/Image#smartcrop-instance_method),
         which does some magic to keep the most useful part of the image.
-      * Geometry is renamed to 'crop', and reduced to simple aspect ratios only. (`width:height`)
-      * Gravity is gone, replaced by 'keep' which is translated to a libvips
+    * Geometry is renamed to 'crop', and reduced to simple aspect ratios only. (`width:height`)
+    * Gravity is gone, replaced by 'keep' which is translated to a libvips
         [interestingness](https://www.rubydoc.info/gems/ruby-vips/Vips/Interesting) setting.
   * Add stock presets and media queries, under the `jpt-` prefix.
   * Add `format_quality` default settings for webp, avif, and jp2.