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bug#21559: 25.0.50; auto-revert-mode breaks git rebase
From: |
Ben Gamari |
Subject: |
bug#21559: 25.0.50; auto-revert-mode breaks git rebase |
Date: |
Sun, 07 Feb 2016 11:22:08 +0100 |
User-agent: |
Notmuch/0.21+24~gbceb651 (http://notmuchmail.org) Emacs/25.1.50.1 (x86_64-pc-linux-gnu) |
Mitchel Humpherys <mitch.special@gmail.com> writes:
> So we're back to instrumenting vc{,-git}.el to see exactly which git
> commands are being run when auto-revert refreshes a buffer.
I recently revisited this and came up with this hack (after realizing
that my previous tracing approach was badly broken),
(defun my-tracing-function (orig &rest args)
(message "call-process %s" args))
(advice-add 'call-process :before #'my-tracing-function)
(message "installed")
This produces,
call-process (nil (t nil) nil ls-files -c -z -- COPYING)
call-process (nil (t nil) nil rev-parse HEAD)
call-process (nil (t nil) nil symbolic-ref HEAD)
call-process (nil (t nil) nil diff-index -p --raw -z HEAD -- COPYING)
call-process (nil (t nil) nil status --porcelain -- COPYING)
call-process (nil (t nil) nil ls-files -c -z -- COPYING)
call-process (nil (t nil) nil rev-parse HEAD)
call-process (nil (t nil) nil symbolic-ref HEAD)
call-process (nil (t nil) nil diff-index -p --raw -z HEAD -- COPYING)
call-process (nil (t nil) nil status --porcelain -- COPYING)
Quit
call-process (nil (t nil) nil ls-files -c -z -- COPYING)
After stracing each of these I've found that status --porcelain indeed
takes index.lock. Unfortunately I can't find a good explanation of why
this is necessary.
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- bug#21559: 25.0.50; auto-revert-mode breaks git rebase, Mitchel Humpherys, 2016/02/05
- bug#21559: 25.0.50; auto-revert-mode breaks git rebase, Ben Gamari, 2016/02/06
- bug#21559: 25.0.50; auto-revert-mode breaks git rebase, Mitchel Humpherys, 2016/02/06
- bug#21559: 25.0.50; auto-revert-mode breaks git rebase, Mitchel Humpherys, 2016/02/07
- bug#21559: 25.0.50; auto-revert-mode breaks git rebase, Mitchel Humpherys, 2016/02/07
- bug#21559: 25.0.50; auto-revert-mode breaks git rebase,
Ben Gamari <=
- bug#21559: 25.0.50; auto-revert-mode breaks git rebase, Ben Gamari, 2016/02/07
- bug#21559: 25.0.50; auto-revert-mode breaks git rebase, Mitchel Humpherys, 2016/02/07
- bug#21559: 25.0.50; auto-revert-mode breaks git rebase, Ben Gamari, 2016/02/07
- bug#21559: 25.0.50; auto-revert-mode breaks git rebase, Daniel Colascione, 2016/02/08