[bug#41568] [PATCH 0/1] Fix: make update-guix-package

[Vincent Legoll]

I was trying to build the binary tarball to test changes, and stumbled 
upon the following failure:

------------->8------------------------------------------8<-----------
$ make update-guix-package
git rev-parse HEAD
915b949cfd8f41cac550c641ed0f9a1cf37f4d42
./pre-inst-env 
"/gnu/store/cqp4hvbfi8y3g8v61jrpi875wc0iqx9q-profile/bin/guile"			\
   ./build-aux/update-guix-package.scm  \
   "`git rev-parse HEAD`"
Backtrace:
In ice-9/boot-9.scm:
  1736:10 13 (with-exception-handler _ _ #:unwind? _ # _)
In unknown file:
          12 (apply-smob/0 #<thunk 7f5bdb96d980>)
In ice-9/boot-9.scm:
    718:2 11 (call-with-prompt _ _ #<procedure default-prompt-handle…>)
In ice-9/eval.scm:
    619:8 10 (_ #(#(#<directory (guile-user) 7f5bdb58ff00>)))
In ice-9/boot-9.scm:
   2806:4  9 (save-module-excursion _)
  4351:12  8 (_)
  1736:10  7 (with-exception-handler _ _ #:unwind? _ # _)
In guix/store.scm:
   630:22  6 (thunk)
In build-aux/update-guix-package.scm:
    116:9  5 (_ #<store-connection 256.99 7f5bdb9a23c0>)
In guix/utils.scm:
   308:22  4 (edit-expression _ #<procedure 7f5bc23f3000 at build-a…> …)
In build-aux/update-guix-package.scm:
    78:30  3 (_ "(let ((version \"1.1.0\")\n        (commit \"bdc801…")
In guix/base32.scm:
   144:17  2 (_ _)
   114:17  1 (bytevector-quintet-fold-right #<procedure 7f5bd94114e…> …)
In ice-9/boot-9.scm:
  1669:16  0 (raise-exception _ #:continuable? _)

ice-9/boot-9.scm:1669:16: In procedure raise-exception:
In procedure bv-length: Wrong type argument in position 1 (expecting 
bytevector): #<content-hash 
sha256:1wf30g45kh4nmcapd4vrcl6m2wjzly7v7dv8z0r584770i2yh836>
make: *** [Makefile:6323: update-guix-package] Error 1
------------->8------------------------------------------8<-----------

I copied the modification from:
c7d2dd69004b020de5d86898d2497ab3c8435c37

To fix it, is this the right thing to do ?

--
Vincent Legoll