change hash format

Author: CallMeLeopoldo

spec/git-version-spec.cr

@@ -30,7 +30,7 @@ describe GitVersion do
       hash = git.current_commit_hash
       hashWithoutPrefix = git.current_commit_hash_without_prefix
 
-      hash.should eq("sha#{hashWithoutPrefix}")
+      hash.should eq("sha.#{hashWithoutPrefix}")
     end
   end
   it "should get the correct version in master and dev branch" do

src/git-version.cr

@@ -74,13 +74,13 @@ module GitVersion
 
     def current_commit_hash : String
       cmd = "git rev-parse --verify HEAD --short"
-      sha = (exec cmd)[0].rjust(7, '0')
-      return "sha" + sha
+      sha = (exec cmd)[0].strip
+      return "sha." + sha
     end
 
     def current_commit_hash_without_prefix : String
       cmd = "git rev-parse --verify HEAD --short"
-      return (exec cmd)[0].rjust(7, '0')
+      sha = (exec cmd)[0].strip
     end
 
     def commits_distance(tag : String | Nil)