Opening new buffer which is git show commit command

build_file.cpp

@@ -312,11 +312,18 @@ function MatchAgainstIncludes(s)
     return nil
 end
 
+function MatchGitCommit(s)
+    local command = "git --no-pager show "..s
+    return {kind = "exec", cmd = command, working_dir = GetCurrentBufferDir()}
+end
+
 Rules = {
     GenericTextFileRule,
     MatchAgainstIncludes,
+    MatchGitCommit,
 }
 
+
 function ApplyRules(s)
     for i = #Rules,1,-1 do
         rule = Rules[i]