bug#59087: 29.0.50; package-vc-update error

[Feng Shu <tumashu@163.com>]

Philip Kaludercic <philipk@posteo.net> writes:

> Feng Shu <tumashu@163.com> writes:
>
>> Debugger entered--Lisp error: (wrong-type-argument stringp nil)
>>   make-symbol(nil)
>>   package-vc-update(#s(package-desc :name pyim :version (5 2 8)
>> :summary "A Chinese input method support quanpin, shuangpin,..."
>> :reqs ((emacs (25 1)) (async (1 6)) (xr (1 13))) :kind vc :archive
>> nil :dir "/home/feng/.emacs.d/elpa-29/pyim" :extras ((:commit
>> . "8c4f7d40c05dc06b3c96c2955e5d72ec268f2b61") (:authors ("Ye Wenbin"
>> . "wenbinye@163.com") ("Feng Shu" . "tumashu@163.com")) (:maintainer
>> "Feng Shu" . "tumashu@163.com") (:keywords "convenience" "chinese"
>> "pinyin" "input-method") (:url . "https://github.com/tumashu/pyim"))> :signed nil))
>>   package-update(pyim)
>>   mapc(package-update (pyim))
>>   package-update-all(t)
>>   funcall-interactively(package-update-all t)
>>   call-interactively(package-update-all record nil)
>>   command-execute(package-update-all record)
>>   execute-extended-command(nil "package-update-all" nil)
>>   funcall-interactively(execute-extended-command nil "package-update-all" nil)
>>   call-interactively(execute-extended-command nil nil)
>>   command-execute(execute-extended-command)
>
> This issue (and the others you reported) might have been resolved on the
> scratch/package-vc-fixes branch.  Could you try that out?

When I delete pyim and reinstall it, and run pyim-vc-update again, show:

Debugger entered--Lisp error: (error "No VC backend is responsible for ~/")
  signal(error ("No VC backend is responsible for ~/"))
  error("No VC backend is responsible for %s" "~/")
  vc-responsible-backend("~/")
  vc-deduce-fileset-1(t nil nil)
  vc-deduce-fileset(t)
  vc-pull()
  package-vc-update(#s(package-desc :name pyim :version (5 2 8) :summary "A Chinese input method support quanpin, shuangpin,..." :reqs ((emacs (25 1)) (async (1 6)) (xr (1 13))) :kind vc :archive nil :dir "/home/feng/.emacs.d/elpa-29/pyim" :extras ((:commit . "93fab3c9e8c2490687781d45c1cecead0bd3ecf2") (:authors ("Ye Wenbin" . "wenbinye@163.com") ("Feng Shu" . "tumashu@163.com")) (:maintainer "Feng Shu" . "tumashu@163.com") (:keywords "convenience" "chinese" "pinyin" "input-method") (:url . "https://github.com/tumashu/pyim")) :signed nil))
  package-update("pyim")
  funcall-interactively(package-update "pyim")
  call-interactively(package-update record nil)
  command-execute(package-update record)
  execute-extended-command(nil "package-update" nil)
  funcall-interactively(execute-extended-command nil "package-update" nil)
  call-interactively(execute-extended-command nil nil)
  command-execute(execute-extended-command)



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