From: Ulrich Windl Date: Wed, 02 Nov 2011 07:35:41 GMT Subject: Antw: Re: Q: "git diff" using tag names Message-ID: <4EB100DD020000A100007DE7@gwsmtp1.uni-regensburg.de> In-Reply-To: >>> Jakub Narebski schrieb am 28.10.2011 um 15:21 in Nachricht : > "Ulrich Windl" writes: > > > When using a somewhat older git (of SLES11 SP1 SDK), > > Nb. you can check version of git with "git --version". Hi! For the records, it's "1.6.0.2"... > > > I could not > > find a way to "git diff" between two tag names; I can only diff > > between two commit numbers. I can display a changeset using "git > > show", but that's not what I wanted. > > > > Is it possible to get the diff I want using older versions, and is > > such a feature implemented in the current version? If so, since > > when? > > From the very beginning in Git you can use tag name where you need > commit identifier; Git would use commit that tag points to (will > dereference or peel a tag). As said before, I was confused by the simplicity: I was looking for an option to specify revisions (as opposed to file names), like "-r" for RCS, but found none. To make things complicated, I had mistyped one tag name without noticing, so I failed to diff, making me think that tag names won't work the way they actually do. Sorry, and thanks to everybody who helped! Ulrich > > That is not possible in some [censored] version control systems; I am > looking at you, Subversion! > > > So if you can do > > $ git show v0.9 > $ git show v1.0 > > you can also do > > $ git diff v0.9 v1.0 > > and > > $ git log v0.9..v1.0