ctucx.git: nimgit

showLastCommit.nim: cleanup

diff --git a/showLastCommit.nim b/showLastCommit.nim
@@ -9,11 +9,10 @@ discard git_libgit2_init()
 
 try:
     let gitRepository = openGitRepository(paramStr(1))
-    let headCommit    = cast[GitCommit](gitRepository.lookupObject("HEAD^{commit}"))
 
     echo "Last commit on HEAD in repo: " & $gitRepository
 
-    let commit = cast[GitCommit](headCommit)
+    let commit = cast[GitCommit](gitRepository.lookupObject("HEAD^{commit}"))
     let author = commit.getAuthor()
 
     echo "hash: " & $commit.getObjectId()

@@ -22,7 +21,6 @@ try:
     echo "message: " & commit.getSummary()
 
     free(commit);
-    free(headCommit);
     free(gitRepository)
 
 except: