Antw: Re: Q: "git diff" using tag names

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Jakub Narebski [off-list ref] schrieb am 28.10.2011 um 15:21 in Nachricht

[ref]:

"Ulrich Windl" [off-list ref] writes:

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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"...

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                                                     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