1 files changed, 83 insertions, 5 deletions

diff --git a/lib/oxidized/output/git.rb b/lib/oxidized/output/git.rb
index 57b6f62..3757cfc 100644
--- a/lib/oxidized/output/git.rb
+++ b/lib/oxidized/output/git.rb
@@ -19,6 +19,7 @@ class Git < Output
       CFGS.save :user
       raise NoConfig, 'no output git config, edit ~/.config/oxidized/config'
     end
+    @cfg.repo = File.expand_path @cfg.repo
   end
 
   def store file, outputs, opt={}
@@ -50,18 +51,95 @@ class Git < Output
   def fetch node, group
     begin
       repo = @cfg.repo
-      if group
-        repo = File.join File.dirname(repo), group + '.git'
-      end
+      repo = File.join File.dirname(repo), group + '.git' if group and not @cfg.single_repo?
       repo = Rugged::Repository.new repo
       index = repo.index
       index.read_tree repo.head.target.tree unless repo.empty?
-      repo.read(index.get(node)[:oid]).data
+      file = node
+      file = File.join(group, node) if group and @cfg.single_repo?
+      repo.read(index.get(file)[:oid]).data
     rescue
       'node not found'
     end
   end
 
+  #give a hash of all oid revision for the givin node, and the date of the commit
+    def version node, group
+      begin
+        repo = @cfg.repo
+        if group
+          repo = File.join File.dirname(repo), group + '.git'
+        end
+        repo = Rugged::Repository.new repo
+        walker = Rugged::Walker.new(repo)
+        walker.sorting(Rugged::SORT_DATE)
+        walker.push(repo.head.target)
+        i = -1
+        tab  = []
+        walker.each do |commit|
+          if commit.diff(paths: [node]).size > 0
+            hash = {}
+            hash[:date] = commit.time.to_s
+            hash[:oid] = commit.oid
+            hash[:author] = commit.author
+            hash[:message] = commit.message
+            tab[i += 1] = hash
+          end
+        end
+        walker.reset
+        tab
+      rescue
+        'node not found'
+      end
+    end
+
+    #give the blob of a specific revision
+    def get_version node, group, oid
+      begin
+        repo = @cfg.repo
+        if group && group != ''
+          repo = File.join File.dirname(repo), group + '.git'
+        end
+        repo = Rugged::Repository.new repo
+        repo.blob_at(oid,node).content
+      rescue
+        'version not found'
+      end
+    end
+
+    #give a hash with the patch of a diff between 2 revision and the stats (added and deleted lines)
+    def get_diff node, group, oid1, oid2
+      begin
+        repo = @cfg.repo
+        diff_commits = nil
+        if group && group != ''
+          repo = File.join File.dirname(repo), group + '.git'
+        end
+        repo = Rugged::Repository.new repo
+        commit = repo.lookup(oid1)
+        #if the second revision is precised
+        if oid2
+          commit_old = repo.lookup(oid2)
+          diff = repo.diff(commit_old, commit)
+          diff.each do |patch|
+            if /#{node}\s+/.match(patch.to_s.lines.first)
+              diff_commits = {:patch => patch.to_s, :stat => patch.stat}
+              break
+            end
+          end
+        #else gives the diffs between the first oid and his first parrent
+        else
+          stat = commit.parents[0].diff(commit).stat
+          stat = [stat[1],stat[2]]
+          patch = commit.parents[0].diff(commit).patch
+          diff_commits = {:patch => patch, :stat => stat}
+        end
+        diff_commits
+      rescue
+        'no diffs'
+      end
+    end
+
   private
 
   def update repo, file, data
@@ -104,7 +182,7 @@ class Git < Output
         :parents    => repo.empty? ? [] : [repo.head.target].compact,
         :update_ref => 'HEAD',
       )
-      
+
       index.write
       true
     end