- s.version = '0.1.' + `/usr/bin/git log --pretty=format:'%ci' -n 1`[0..18].gsub(/[ \-:]/,'')
- s.date = `/usr/bin/git log --pretty=format:'%ci' -n 1`[0..9]
- s.summary = "Arvados SDK Ruby"
- s.description = "This is the Arvados SDK gem, git revision " + `/usr/bin/git log --pretty=format:'%H' -n 1`
+ s.version = "0.1.#{git_timestamp.strftime('%Y%m%d%H%M%S')}"
+ s.date = git_timestamp.strftime("%Y-%m-%d")
+ s.summary = "Arvados client library"
+ s.description = "Arvados client library, git commit #{git_hash}"