From 447d3728b7933e93ac00949c8735f8cf416a4c06 Mon Sep 17 00:00:00 2001
From: Jon Bergli Heier <snakebite@jvnv.net>
Date: Wed, 1 Dec 2010 11:59:42 +0100
Subject: Merged the show and last commands with branch and tag completion,
 defaulting to 'master'.

---
 gitnoti.py | 80 ++++++++++++++++++++++++++++++++++----------------------------
 1 file changed, 44 insertions(+), 36 deletions(-)

diff --git a/gitnoti.py b/gitnoti.py
index 6ffcec2..e1f2de3 100755
--- a/gitnoti.py
+++ b/gitnoti.py
@@ -53,6 +53,8 @@ if root[-1] == '/':
 
 repos = None
 
+class GitnoitpyAmbiguousException(Exception): pass
+
 class NotifyRepo(object):
 	def __init__(self, bot, path):
 		self.path = path
@@ -241,33 +243,46 @@ class Bot(irc.IRCClient):
 		return None
 
 	def get_commits(self, repo, name):
+		branch = None
 		try:
 			if '..' in name:
 				commits = list(repo.iter_commits(name))
 			else:
-				commits = [repo.commit(name)]
+				try:
+					commits = [repo.commit(name)]
+					branches = [b.name for b in repo.heads if b.name == name]
+					if len(branches) == 1:
+						branch = branches[0]
+				except git.exc.BadObject:
+					commits = []
+			if not len(commits):
+				branches = self.get_branch(repo, name)
+				tags = self.get_tags(repo, name)
+				if len(branches) and len(tags):
+					raise GitnoitpyAmbiguousException('Ambiguous name: %s (\002branches\002 %s tags \002%s\002' % (
+						name, ', '.join((x.name for x in branches)), ', '.join((x.name for x in tags))))
+				elif len(branches) > 1:
+					raise GitnoitpyAmbiguousException('Ambiguous name: %s' % (', '.join((x.name for x in branches))))
+				elif len(tags) > 1:
+					raise GitnoitpyAmbiguousException('Ambiguous name: %s' % (', '.join((x.name for x in tags))))
+				elif len(branches):
+					commits, branch = [branches[0].commit], branches[0].name
+				elif len(tags):
+					commits = [tags[0].commit]
 		except ValueError:
-			return []
+			return [], None
 		except git.exc.BadObject:
-			return []
+			return [], None
 		except git.exc.GitCommandError:
-			return []
-
-		return commits
+			return [], None
 
-	def get_branch(self, repo, branch, target):
-		heads = sorted((h for h in repo.heads if h.name.startswith(branch)), cmp = lambda a, b: cmp(a.name, b.name))
+		return commits, branch
 
-		if not len(heads):
-			self.msg(target, 'No branches matches "%s".' % branch)
+	def get_branch(self, repo, branch):
+		return sorted((h for h in repo.heads if h.name.startswith(branch)), cmp = lambda a, b: cmp(a.name, b.name))
 
-		if heads[0].name == branch:
-			return heads[0]
-
-		if len(heads) > 1:
-			self.msg(target, 'Ambiguous name: %s' % (', '.join([h.name for h in heads])))
-		else:
-			return heads[0]
+	def get_tags(self, repo, tag):
+		return sorted((t for t in repo.tags if t.name.startswith(tag)), cmp = lambda a, b: cmp(a.name, b.name))
 
 	def privmsg(self, user, channel, message):
 		private = channel == self.nickname
@@ -281,36 +296,29 @@ class Bot(irc.IRCClient):
 			if cmd == 'list':
 				s = 'Repos: %s' % ', '.join([os.path.splitext(os.path.basename(x))[0] for x in repos.keys()])
 				self.msg(target, s)
-			elif cmd == 'last':
-				if not len(messagelist) >= 3:
-					self.msg(target, 'Usage: %s last REPO [BRANCH]' % self.nickname)
-					return
-
-				repo = self.get_repo(messagelist[2].lower(), target)
-				if not repo:
-					return
-
-				branch = self.get_branch(repo, messagelist[3] if len(messagelist) == 4 else 'master', target)
-				if not branch:
-					return
-
-				msg = repo_commit_msg(repo, branch.name, [branch.commit]) if repo.heads else ('No commits found for %s' % os.path.splitext(os.path.basename(repo.working_dir))[0])
-				self.msg(target, msg)
 			elif cmd == 'show':
-				if not len(messagelist) == 4:
-					self.msg(target, 'Usage: %s show REPO COMMIT' % self.nickname)
+				if len(messagelist) < 3:
+					self.msg(target, 'Usage: %s show REPO [COMMIT|BRANCH|TAG|RANGE]' % self.nickname)
 					return
 
 				repo = self.get_repo(messagelist[2].lower(), target)
 				if not repo:
 					return
 
-				commits = self.get_commits(repo, messagelist[3])
+				if len(messagelist) > 3:
+					try:
+						commits, branch = self.get_commits(repo, messagelist[3])
+					except GitnoitpyAmbiguousException as e:
+						self.msg(target, e.message)
+						return
+				else:
+					commits, branch = self.get_commits(repo, 'master')
+
 				if not commits:
 					self.msg(target, 'No commits found.')
 					return
 
-				msg = repo_commit_msg(repo, None, commits)
+				msg = repo_commit_msg(repo, branch, commits)
 				self.msg(target, msg)
 			elif cmd == 'branches':
 				if not len(messagelist) == 3:
-- 
cgit v1.2.3