abbreviate sha1 hash in message for triggered builds

1 files changed, 1 insertions, 1 deletions

diff --git a/Rakefile b/Rakefile
index f3b7996a..a4966064 100644
--- a/Rakefile
+++ b/Rakefile
@@ -150,7 +150,7 @@ desc 'Trigger builds for all dependent projects on Travis CI'
         'Authorization' => %(token #{token})
       }
       if (commit_hash = ENV['TRAVIS_COMMIT'])
-        commit_memo = %( (#{commit_hash})\\n\\nhttps://github.com/#{ENV['TRAVIS_REPO_SLUG'] || 'asciidoctor/asciidoctor'}/commit/#{commit_hash})
+        commit_memo = %( (#{commit_hash.slice 0, 8})\\n\\nhttps://github.com/#{ENV['TRAVIS_REPO_SLUG'] || 'asciidoctor/asciidoctor'}/commit/#{commit_hash})
       end
       payload = %({ "request": { "branch": "#{branch}", "message": "Build triggered by Asciidoctor#{commit_memo}" } })
       (http = Net::HTTP.new 'api.travis-ci.org', 443).use_ssl = true