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Install bnf-mode from the tar archive
From: |
Serghei |
Subject: |
Install bnf-mode from the tar archive |
Date: |
Sat, 18 Jan 2020 15:08:52 +0000 |
Hello,
I am the bnf-mode[1] creator. I am trying to figure out what
happens when I install the mode from the tar archive. Frankly
speaking, I get a strange error message.
You can see the fresh Makefile I use to create tar archive at GitHub
repo[2]. All I need to create a tar archive is a command
`make package'. And it seems it works as expected. However, after
creating the archive, I was failed to install it. After changing
this line[3] as follows:
diff --git a/Makefile b/Makefile
index c04c01c..d11ac3d 100644
--- a/Makefile
+++ b/Makefile
@@ -122,7 +122,8 @@ package: $(PACKAGE_NAME).tar
.PHONY: install
install: $(PACKAGE_NAME).tar
- $(EMACS) --batch -l package -f package-initialize --eval
"(package-install-file \"$(PWD)/$(PACKAGE_NAME).tar\")"
+ $(EMACS) --batch -l package -f package-initialize --eval \
+ "(let ((debug-on-error t))(package-install-file
\"$(PWD)/$(PACKAGE_NAME).tar\"))"
.PHONY: help
help: .title
I got the following debug trace:
$ make install
Parsing tar file...
Parsing tar file...done
Debugger entered--Lisp error: (wrong-type-argument arrayp nil)
tar--describe-as-link(nil)
tar--check-descriptor(nil)
tar-get-file-descriptor("bnf-mode-0.4.3/PaxHeader/PaxHeader-pkg.el")
package-tar-file-info()
package-install-from-buffer()
package-install-file("/home/klay/work/bnf-mode/bnf-mode-0.4.3.tar")
(let ((debug-on-error t)) (package-install-file
"/home/klay/work/bnf-mode/bnf-mode-0.4.3.tar"))
eval((let ((debug-on-error t)) (package-install-file
"/home/klay/work/bnf-mode/bnf-mode-0.4.3.tar")))
command-line-1(("-l" "package" "-f" "package-initialize" "--eval"
"(let ((debug-on-error t))(package-install-file
\"/home/klay/work/bnf-mode/bnf-mode-0.4.3.tar\"))"))
command-line()
normal-top-level()
make: *** [Makefile:125: install] Error 255
I have no idea what is PaxHeader/PaxHeader-pkg.el and even stranger
that after inspecting `tar-mode' I found this:
(defun tar-get-file-descriptor (file)
;; Used by package.el.
(let ((desc ()))
(dolist (hdr tar-parse-info)
(when (equal file (tar-header-name hdr))
(setq desc hdr)))
(tar--check-descriptor desc)
desc))
As you can see without any validation `desc' was passed to
`tar--check-descriptor` defun. The `tar--check-descriptor` is just
calls `tar--describe-as-link`:
(defun tar--check-descriptor (descriptor)
(let ((link-desc (tar--describe-as-link descriptor)))
(when link-desc
(error "This is %s, not a real file" link-desc))))
And finally it calls `tar-header-link-type':
(defun tar--describe-as-link (descriptor)
(let ((link-p (tar-header-link-type descriptor)))
(if link-p
(cond ((eq link-p 5) "a directory")
((eq link-p 20) "a tar directory header")
((eq link-p 28) "a next has longname")
((eq link-p 29) "a multivolume-continuation")
((eq link-p 35) "a sparse entry")
((eq link-p 38) "a volume header")
((eq link-p 55) "a pax global extended header")
((eq link-p 72) "a pax extended header")
(t "a link")))))
I will be happy for any help and tips in the right direction.
N.B. My GNU Emacs version is 26.3 on Debian/GNU Linux 10.
[1]: https://elpa.gnu.org/packages/bnf-mode.html
[2]:
https://github.com/sergeyklay/bnf-mode/blob/87c779851e44aab6639cdf2ab699aa9cd41f97c7/Makefile
[3]:
https://github.com/sergeyklay/bnf-mode/blob/87c779851e44aab6639cdf2ab699aa9cd41f97c7/Makefile#L125
--
Serghei
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- Install bnf-mode from the tar archive,
Serghei <=