Re: svn versus git

From: Jakub Narebski <jnareb@gmail.com>
Date: Dec 15, 2006, 11:27 UTC
Message-ID: <elu0n5$u0i$1@sea.gmane.org>
In-Reply-To: <200612140908.36952.andyparkins@gmail.com>

Andy Parkins wrote:

Show 11 quoted lines

> On Wednesday 2006 December 13 22:56, Shawn Pearce wrote:
> 
>>   git cat-file -p $REV:$file
>>
>> not sure how much easier it gets than that.  Load in the bash
>> completion from contrib/completion and you can even tab complete
>> the $file part.
> 
> Yes.  I was a little unfair on that one; I forgot about the REV:file syntax.  
> However, it's still not simple for a new user; I think I'd say "draw" if 
> the "-p" weren't a requirement.

  $ git repo-config alias.less "-p cat-file -p"
  $ git repo-config alias.cat     "cat-file -p"

remedies that.

[...]

Show 9 quoted lines

>> How is it unfriendly?  What specifically would you change to make
>> it more friendly?
> 
> $ git-ls-tree v1.0.0
> 100644 blob 906e98492080d2fde9467a9970fc92d7a8cfeaf8    Makefile
> 
> I'm a newbie:  what's that number at the front?  What's a blob?  What's that 
> great big number - I've only seen commit hashes that look like that, and that 
> isn't one.  Definitely not friendly.

The number in front is octal mode of a file or directory. "blob" is a file (or symbolic link), "tree" is a directory, all of this can be found in git(7).

The "great big number" is blob hash. All objects are identified and referenced by SHA-1 hash of its contents: be it commits, blobs (contents of a file), trees (content of a directory), tags.

You can always use --abbrev option to have it shortened.

Show 5 quoted lines

> $ svn list -r 14
> Makefile
> 
> It could probably be fixed by making git-ls-files capable of understanding 
> tree-ish.

Perhaps we should add git-ls which would be porcelain frontend to git-ls-files and git-ls-tree, just like git-diff is frontend to git-diff-files, git-diff-index and git-diff-tree (and also does pure blob diff).

"svn list -r 14" equivalent is "git ls-tree --name-only v1.0.0". You can always do

  $ git repo-config alias.list "ls-tree --name-only"

(or use --name-status instead of --name-only).

-- 
Jakub Narebski
Warsaw, Poland
ShadeHawk on #git