[bug#31678] [PATCH 1/2] gnu: erlang: Patch occurrences of /bin/sh in the source.

[iyzsong@member.fsf.org (宋文武)]

Christopher Baines <mail@cbaines.net> writes:

> Previously, the elixir package would often fail to build, as running :os:cmd
> would fail, as /bin/sh doesn't exist when building the elixir package. These
> changes fix that issue.
>
> * gnu/packages/erlang.scm (erlang)[arguments]: Add new patch-/bin/sh phase to
> replace hardcoded references to /bin/sh with a file in the store.
> ---
>  gnu/packages/erlang.scm | 21 +++++++++++++++++++++
>  1 file changed, 21 insertions(+)
>
> diff --git a/gnu/packages/erlang.scm b/gnu/packages/erlang.scm
> index 0e2b7b5bc..1fce57388 100644
> --- a/gnu/packages/erlang.scm
> +++ b/gnu/packages/erlang.scm
> @@ -127,6 +127,27 @@
>                    (date->string source-date-epoch
>                                  "{H,Mi,S} = {~H,~M,~S},")))
>                 #t)))
> +         (add-after 'unpack 'patch-/bin/sh
> +           (lambda _
> +             (substitute* "erts/etc/unix/run_erl.c"
> +               (("sh = \"/bin/sh\";")
> +                (string-append "sh = \""
> +                               (which "sh")
> +                               "\";")))
> +
> +             (substitute* "erts/emulator/sys/unix/sys_drivers.c"
> +               (("SHELL \"/bin/sh\"")
> +                (string-append "SHELL \""
> +                               (which "sh")
> +                               "\"")))
> +             (substitute* "erts/emulator/sys/unix/erl_child_setup.c"
> +               (("SHELL \"/bin/sh\"")
> +                (string-append "SHELL \""
> +                               (which "sh")
> +                               "\"")))
> +
> +             (substitute* "lib/kernel/src/os.erl"
> +               (("/bin/sh") (which "sh")))))

It should return ‘#t’, otherwise look good to me!