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

[Philip Kaludercic]

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?