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From: Pratyush Yadav <me@yadavpratyush.com>
To: Jonathan Gilbert via GitGitGadget <gitgitgadget@gmail.com>
Cc: git@vger.kernel.org, Jonathan Gilbert <rcq8n2xf3v@liamekaens.com>
Subject: Re: [PATCH v7 0/3] git-gui: revert untracked files by deleting them
Date: Fri, 6 Dec 2019 00:24:20 +0530
Message-ID: <20191205185420.laivdwmmwuukptxu@yadavpratyush.com> (raw)
In-Reply-To: <pull.436.v7.git.1575167313.gitgitgadget@gmail.com>

Hi Jonathan,

On 01/12/19 02:28AM, Jonathan Gilbert via GitGitGadget wrote:
> My development environment sometimes makes automatic changes that I don't
> want to keep. In some cases, this involves new files being added that I
> don't want to commit or keep (but I also don't want to outright .gitignore 
> forever). I have typically had to explicitly delete those files externally
> to Git Gui, which is a context switch to a manual operation, and I want to
> be able to just select those newly-created untracked files in the UI and
> "revert" them into oblivion.
> 
> This change updates the revert_helper proc to check for untracked files as
> well as changes, and then changes to be reverted and untracked files are
> handled by independent blocks of code. The user is prompted independently
> for untracked files, since the underlying action is fundamentally different
> (rm -f). If after deleting untracked files, the directory containing them
> becomes empty, then the directory is removed as well. A new proc 
> delete_files takes care of actually deleting the files, using the Tcler's
> Wiki recommended approach for keeping the UI responsive.
> 
> Since the checkout_index and delete_files calls are both asynchronous and
> could potentially complete in any order, a "chord" is used to coordinate
> unlocking the index and returning the UI to a usable state only after both
> operations are complete.
> 
> Since the checkout_index and delete_files calls are both asynchronous and
> overlap, they clash in wanting to update the status bar. To address this,
> the status bar is reworked so that when an operation wants to display
> ongoing updates/progress, it explicitly starts an "operation", which is
> tracked by its own object, and the status bar handles multiple concurrent
> operations by merging their progress and concatenating their text. This is
> captured in a separate commit, since it touches a variety of files.
> 
> The _close_updateindex proc contains error handling (added in d4e890e5) that
> has the potential to interact badly with unlock_index running at the
> completion of an async operation. I have refactored the procedure into
> separate procs _close_updateindex and rescan_on_error. Call sites that
> exercised the combined functionality also unlocked the index, so a combined
> proc close_and_unlock_index calls _close_updateindex and then either 
> rescan_on_error or unlock_index as appropriate. Call sites have been updated
> appropriately.
> 
> The revert_helper proc, with its overlapping operations, is an example of a
> call site that does not combine the close and unlock/rescan operations. The 
> checkout_index proc has been reworked to only call _close_updateindex, and
> to call a functor supplied by the caller to captures any errors that occur. 
> revert_helper uses this to supply a lambda function that stashes the error
> within the chord's body namespace, so that it can then separately call 
> rescan_on_error when the chord is completed (or unlock_index, if no error
> was captured), which might be substantially after checkout_index encounters
> its error. If it turns out that a rescan is called for, it is done once the
> deletion is complete.
> 
> This is the eighth revision of this change, which differs from the seventh
> version in the following ways (most of which are in the second of the three
> commits, to do with the status bar rework):
> 
>  * The bump of the Tcl/Tk dependency from 8.4 to 8.6 now takes place in the
>    third commit, where it is needed and whose commit message actually calls
>    it out.
>    
>    
>  * The show method in status_bar_operation has been renamed to restart, and
>    the meter is cleared. Also, the supplied message is set as the prefix for
>    future update calls.
>    
>    
>  * The call site for $status_operation show in blame.tcl has been
>    corresponding changed to $status_operation restart.
>    
>    
>  * A typo has been corrected in a comment. :-)

Thanks for the quality contribution. Merged to 'master'. Will push it 
out soon.

-- 
Regards,
Pratyush Yadav

      parent reply index

Thread overview: 55+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-10-30  6:48 [PATCH 0/2] " Jonathan Gilbert via GitGitGadget
2019-10-30  6:48 ` [PATCH 1/2] git-gui: consolidate naming conventions Jonathan Gilbert via GitGitGadget
2019-11-03  0:27   ` Pratyush Yadav
2019-10-30  6:48 ` [PATCH 2/2] git-gui: revert untracked files by deleting them Jonathan Gilbert via GitGitGadget
2019-11-03  7:44   ` Pratyush Yadav
2019-11-04 16:04     ` Jonathan Gilbert
2019-11-04 17:36     ` Jonathan Gilbert
2019-10-30  9:06 ` [PATCH 0/2] " Bert Wesarg
2019-10-30 17:16   ` Jonathan Gilbert
2019-11-03  1:12     ` Pratyush Yadav
2019-11-03  4:41       ` Jonathan Gilbert
2019-11-03  7:54         ` Pratyush Yadav
2019-11-07  7:05 ` [PATCH v2 " Jonathan Gilbert via GitGitGadget
2019-11-07  7:05   ` [PATCH v2 1/2] git-gui: consolidate naming conventions Jonathan Gilbert via GitGitGadget
2019-11-07  7:05   ` [PATCH v2 2/2] git-gui: revert untracked files by deleting them Jonathan Gilbert via GitGitGadget
2019-11-11 19:25     ` Pratyush Yadav
2019-11-11 21:55       ` Jonathan Gilbert
2019-11-11 22:59         ` Philip Oakley
2019-11-12  4:49           ` Jonathan Gilbert
2019-11-12 10:45             ` Philip Oakley
2019-11-12 16:29               ` Jonathan Gilbert
2019-11-26 11:22                 ` Philip Oakley
2019-11-12 19:35         ` Pratyush Yadav
2019-11-11 19:35   ` [PATCH v2 0/2] " Pratyush Yadav
2019-11-13  9:56   ` [PATCH v3 " Jonathan Gilbert via GitGitGadget
2019-11-13  9:56     ` [PATCH v3 1/2] git-gui: consolidate naming conventions Jonathan Gilbert via GitGitGadget
2019-11-13  9:56     ` [PATCH v3 2/2] git-gui: revert untracked files by deleting them Jonathan Gilbert via GitGitGadget
2019-11-16 15:11       ` Pratyush Yadav
2019-11-16 21:42         ` Jonathan Gilbert
2019-11-17  6:56     ` [PATCH v4 0/2] " Jonathan Gilbert via GitGitGadget
2019-11-17  6:56       ` [PATCH v4 1/2] git-gui: consolidate naming conventions Jonathan Gilbert via GitGitGadget
2019-11-17  6:56       ` [PATCH v4 2/2] git-gui: revert untracked files by deleting them Jonathan Gilbert via GitGitGadget
2019-11-24 13:09         ` Pratyush Yadav
2019-11-19 15:21       ` [PATCH v4 0/2] " Pratyush Yadav
2019-11-19 16:56         ` Jonathan Gilbert
2019-11-24 20:37       ` [PATCH v5 0/3] " Jonathan Gilbert via GitGitGadget
2019-11-24 20:37         ` [PATCH v5 1/3] git-gui: consolidate naming conventions Jonathan Gilbert via GitGitGadget
2019-11-24 20:37         ` [PATCH v5 2/3] git-gui: update status bar to track operations Jonathan Gilbert via GitGitGadget
2019-11-27 21:55           ` Pratyush Yadav
2019-11-28  7:34             ` Jonathan Gilbert
2019-11-24 20:37         ` [PATCH v5 3/3] git-gui: revert untracked files by deleting them Jonathan Gilbert via GitGitGadget
2019-11-27 22:03           ` Pratyush Yadav
2019-11-28  8:30         ` [PATCH v6 0/3] " Jonathan Gilbert via GitGitGadget
2019-11-28  8:30           ` [PATCH v6 1/3] git-gui: consolidate naming conventions Jonathan Gilbert via GitGitGadget
2019-11-28  8:30           ` [PATCH v6 2/3] git-gui: update status bar to track operations Jonathan Gilbert via GitGitGadget
2019-11-30 23:05             ` Pratyush Yadav
2019-12-01  2:12               ` Jonathan Gilbert
2019-12-01 11:43               ` Philip Oakley
2019-12-01 20:09                 ` Jonathan Gilbert
2019-11-28  8:30           ` [PATCH v6 3/3] git-gui: revert untracked files by deleting them Jonathan Gilbert via GitGitGadget
2019-12-01  2:28           ` [PATCH v7 0/3] " Jonathan Gilbert via GitGitGadget
2019-12-01  2:28             ` [PATCH v7 1/3] git-gui: consolidate naming conventions Jonathan Gilbert via GitGitGadget
2019-12-01  2:28             ` [PATCH v7 2/3] git-gui: update status bar to track operations Jonathan Gilbert via GitGitGadget
2019-12-01  2:28             ` [PATCH v7 3/3] git-gui: revert untracked files by deleting them Jonathan Gilbert via GitGitGadget
2019-12-05 18:54             ` Pratyush Yadav [this message]

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