Re: crash if HOME is unset

[Simon Josefsson]

Thanks for the patch!  I don't have a way to easy way to test things
until there is a new gash release included into Guix, but I worked
around this particular bug by setting HOME=/ and then I got another
crash when trying to start /bin/gash.  See backtrace below.  Any ideas?

Btw, should I expect the combination of gash & gash-utils from Guix to
be able to work as a /bin/sh and be able to successfully run ./configure
from, say, GNU hello?

/Simon

jas@kaka:~/src/guix-container$ podman run -it -e HOME=/ --entrypoint=/bin/gash 
registry.gitlab.com/debdistutils/guix/container:gash
Backtrace:
In ice-9/boot-9.scm:
  1752:10  6 (with-exception-handler _ _ #:unwind? _ # _)
In unknown file:
           5 (apply-smob/0 #<thunk 7f945d44b300>)
In ice-9/boot-9.scm:
    724:2  4 (call-with-prompt _ _ #<procedure default-prompt-handle?>)
In ice-9/eval.scm:
    619:8  3 (_ #(#(#<directory (guile-user) 7f945d44ec80>)))
In gash/gash.scm:
   141:18  2 (main _)
   125:58  1 (thunk)
In unknown file:
           0 (string-append "\x01" "\x1b" "[01;32m" "\x02" #f "@" "?" ?)

ERROR: In procedure string-append:
In procedure string-append: Wrong type (expecting string): #f
jas@kaka:~/src/guix-container$

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