Junio C Hamano venit, vidit, dixit 12.04.2016 18:26:
> Michael J Gruber <git@xxxxxxxxxxxxxxxxxxxx> writes:
>
>> $ git show cab2cdadfda8e8e8631026443b11d3ed6e7ba517:
>> tree cab2cdadfda8e8e8631026443b11d3ed6e7ba517:
>>
>> .gitattributes
>> .gitignore
>> .mailmap
>> ...
>>
>> While it's clear to me what's going on, I'm wondering whether it's a
>> good idea that "git show" says "tree" in front of the unresolved
>> treeish, whether it's a tree, a commit or something else. I think it's
>> pretty confusing.
>
> There is no "unresolved treeish" on the line that begins with
> "tree", but I suspect it wasn't very clear to you because of the way
> you gave the command its input; notice the line in question ends
> with a colon, which is unfortunate, but it turns out that it is your
> fault ;-). Read on.
Guess what, I know the difference between "git show <commit>" and git
show <commit>:"...
>> Alternatives would be:
>>
>> tree <resolved tree id> # here: 040...
>> treeish <treeish> # here: "treeish cab2c..."
>> tree <treeish>^{tree} # here: "tree cab2c^{tree}"
>
> So, the three choices are
>
> (1) resolve the tree object name to 40-hex and show it as
> "tree <object name in hex>"
>
> (2) given an object that is not a tree, show it as "treeish <object
> name>"
>
> (3) do not do anything fancy, just show it as "tree <object name>"
> using what the user gave us.
(3) ist not quite what I'm after, but I guess when "git show" receives
"<commit>:" there is no way it could trace back that tree reference to
the commit. In fact, (3) is what we have now.
> I think the current output is doing the third one (notice the colon
> at the end of the line).
>
> $ git show master: | head -n 1
> $ git show master^{tree} | head -n 1
> $ git show cab2cdadf: | head -n 1
>
I confess that I failed to copy the trailing ":" from the original
output... So that one is my fault.
In fact, while specifying "<commit>:" knowingly to show the tree, I
interpreted the ":" in the output as a simple colon introducing the
following output, at least at first glance.
I guess (1) would be the only option that would help (because
"<commit>:" is a tree, not a non-tree treeish).
Michael
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