bug#41341: closed (27.0.91; project.el 0.1.2 project-try-vc() fails in Git subdirectories; patch attached)

[GNU bug Tracking System]

Your message dated Sun, 17 May 2020 15:19:18 +0300
with message-id <address@hidden>
and subject line Re: bug#41341: 27.0.91; project.el 0.1.2 project-try-vc() 
fails in Git subdirectories; patch attached
has caused the debbugs.gnu.org bug report #41341,
regarding 27.0.91; project.el 0.1.2 project-try-vc() fails in Git 
subdirectories; patch attached
to be marked as done.

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41341: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=41341
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--- Begin Message --- Subject: 27.0.91; project.el 0.1.2 project-try-vc() fails in Git subdirectories; patch attached Date: Sat, 16 May 2020 18:51:05 -0700

I upgraded packages on 16 May 2020, which resulted in project.el upgrading to v0.1.2. 

I restarted Emacs and got the following stack trace:

Debugger entered--Lisp error: (file-missing "Opening input file" "No such file or directory" "/Users/genehack/proj/apollo/models/.git")

insert-file-contents("/Users/genehack/proj/apollo/models/.git")

project-try-vc("/Users/genehack/proj/apollo/models/")

run-hook-with-args-until-success(project-try-vc "/Users/genehack/proj/apollo/models/")

project--find-in-directory("/Users/genehack/proj/apollo/models/")

project-current()

eglot--maybe-activate-editing-mode()

run-hooks(change-major-mode-after-body-hook after-change-major-mode-hook)

normal-mode(t)

after-find-file(nil nil)

find-file-noselect-1(#<buffer index.js> "~/proj/apollo/models/index.js" :nowarn nil "~/proj/apollo/models/index.js" (8667578097 16777222))

  find-file-noselect("/Users/genehack/proj/apollo/models/index.js" :nowarn)

  desktop-restore-file-buffer("/Users/genehack/proj/apollo/models/index.js" "index.js" nil)

  desktop-create-buffer(208 "/Users/genehack/proj/apollo/models/index.js" "index.js" js2-mode (eldoc-mode override-global-mode gcmh-mode global-auto-revert-mode company-mode flymake-mode projectile-mode aggressive-indent-mode flycheck-mode smartparens-mode prettier-js-mode) 1 (nil nil) nil nil ((buffer-display-time 24256 19314 922097 0) (buffer-file-coding-system . undecided-unix)) ((mark-ring nil)))

  eval-buffer(#<buffer  *load*> nil "/Users/genehack/.emacs.d/.emacs.desktop" nil t)  ; Reading at buffer position 9385

  load-with-code-conversion("/Users/genehack/.emacs.d/.emacs.desktop" "/Users/genehack/.emacs.d/.emacs.desktop" t t)

  load("/Users/genehack/.emacs.d/.emacs.desktop" t t t)

  desktop-read()

  #f(compiled-function () #<bytecode 0x1fe27544cc95>)()

  run-hooks(after-init-hook delayed-warnings-hook)

  command-line()

  normal-top-level()

I verified that falling back to project-0.1.el fixed the issue. Looking at the diff between 0.1 and 0.1.2, I was able to concoct the following patch, which seems to resolve the issue:

--- ./upstream-project-0.1.2.el 2020-05-16 13:51:19.000000000 -0700

+++ elpa/project-0.1.2/project.el       2020-05-16 13:50:15.000000000 -0700

@@ -275,7 +275,7 @@

              ;; Don't stop at submodule boundary.

              (or (vc-file-getprop dir 'project-git-root)

                  (let* ((default-directory dir)

-                        (root (vc-root-dir))

+                        (root (vc-find-root dir ".git/"))

                         (gitfile (expand-file-name ".git" root)))

                    (vc-file-setprop

                     dir 'project-git-root

Information generated by `report-emacs-bug` is below: 

In GNU Emacs 27.0.91 (build 1, x86_64-apple-darwin19.3.0, NS appkit-1894.30 Version 10.15.3 (Build 19D76))

 of 2020-04-25 built on phineas.home.genehack.org

Windowing system distributor 'Apple', version 10.3.1894

System Description:  Mac OS X 10.15.4

Configured using:

 'configure --with-gnutls=yes --without-makeinfo --with-ns CPPFLAGS=-I/usr/local/opt/libxml2/include/libxml2 PKG_CONFIG_PATH=/usr/local/lib/pkgconfig'

--- End Message ---

> --- Begin Message ---
>
>
>
> Subject: 
>
> Re: bug#41341: 27.0.91; project.el 0.1.2 project-try-vc() fails in Git subdirectories; patch attached
>
>
>
>
> Date: 
>
> Sun, 17 May 2020 15:19:18 +0300
>
>
>
>
> User-agent: 
>
> Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.7.0
>
>
>
>
> So: closing.
>
>
> --- End Message ---