Re: Can't show previous git revision
Re: Can't show previous git revision
- Subject: Re: Can't show previous git revision
- From: Ben Kennedy <email@hidden>
- Date: Tue, 12 Jan 2016 20:42:25 -0800
Hey Doug,
This seems to be a long-standing Xcode bug.
I reported it nearly three years ago for Xcode 4.6 (13475784), and it was closed a few days later as a duplicate (8880197).
About a year later, discovering it was still unresolved, I reported it again for Xcode 5.1 (16517487), but it was again closed a few days later as a duplicate (15090501).
It perplexes me why nobody has seen fit to fix the problem. I concluded that few people at Apple actually use Xcode + git for revision control.
cheers,
-ben
> On 12 Jan 2016, at 6:46 pm, Doug Hill <email@hidden> wrote:
>
> I’m going through source file revision history in the Xcode 7.2 Version Editor. It shows the current git revision of a source file at the bottom of the right source code pane. Clicking on this revision shows a popup of older revisions. When I click on an item in the list, I can go back to a previous revision and compare it with the current source file.
>
> Most of the time this works fine. However, sometimes selecting a previous revision shows an error:
>
> The source controler operation failed because the revision “MyFile.m” could not be found.
> Make sure a valid revision exists in the repository and try again.
>
> Checking the file’s revision with git command line:
>
> git log <path to my file>
>
> and it shows only one revision, the first one listed in the Xcode revision list. Hmmm…that’s funny, where are all the extra revisions coming from?
>
> Digging into git documentation, I see the following command-line switch for the git log command:
>
> --follow
> Continue listing the history of a file beyond renames (works only for a single file).
>
> Ok, I use this switch with the log command and I see all revisions shown in the Xcode revision list.
>
> So, can I conclude that the Xcode uses the —follow switch to populate the revision list but the code to actually show the revision doesn’t use this information?
>
> Doug Hill
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