[pkgsrc/trunk]: pkgsrc/lang/ruby lang/ruby: improve RUBY_RAILS_ACCEPTED handling

[taca <taca%pkgsrc.org@localhost>]

details:   https://anonhg.NetBSD.org/pkgsrc/rev/df5b67e6244b
branches:  trunk
changeset: 377623:df5b67e6244b
user:      taca <taca%pkgsrc.org@localhost>
date:      Wed Mar 21 03:40:21 2018 +0000

description:
lang/ruby: improve RUBY_RAILS_ACCEPTED handling

Now RUBY_RAILS_ACCEPTED supports multiple rails version.

Also add RUBY_RAILS_REQD although no ruby package use it now.

diffstat:

 lang/ruby/rails.mk |  41 ++++++++++++++++++++++++++++++++++++-----
 1 files changed, 36 insertions(+), 5 deletions(-)

diffs (68 lines):

diff -r 9ea430498ea7 -r df5b67e6244b lang/ruby/rails.mk
--- a/lang/ruby/rails.mk        Tue Mar 20 20:46:42 2018 +0000
+++ b/lang/ruby/rails.mk        Wed Mar 21 03:40:21 2018 +0000
@@ -1,4 +1,4 @@
-# $NetBSD: rails.mk,v 1.63 2018/03/18 14:21:21 taca Exp $
+# $NetBSD: rails.mk,v 1.64 2018/03/21 03:40:21 taca Exp $
 
 .if !defined(_RUBY_RAILS_MK)
 _RUBY_RAILS_MK=        # defined
@@ -13,11 +13,19 @@
 #      Default: 32
 #
 #
+# === Infrastructure variables ===
+#
+# RUBY_RAILS_REQD
+#      Ruby Rails version to use. This variable should not be set in
+#      packages.
+#
+#              Possible values: ${RUBY_RAILS_ACCEPTED}
+#              Default:         ${RUBY_RAILS_DEFAULT}
+#
 # === Package-settable variables ===
 #
 # RUBY_RAILS_ACCEPTED
 #      The Ruby on Rails versions that are acceptable for the package.
-#      Currently, only one value is accepted.
 #
 #      Possible values: 32 42
 #      Default: (empty)
@@ -47,11 +55,34 @@
 
 RUBY_RAILS_STRICT_DEP?=        no
 
-.if !empty(RUBY_RAILS_ACCEPTED) && ${RUBY_RAILS_ACCEPTED:[\#]} == 1
-RUBY_RAILS=                    ${RUBY_RAILS_ACCEPTED}
+RUBY_RAILS_SUPPORTED=  32 42
+
+.if empty(RUBY_RAILS_SUPPORTED:M${RUBY_RAILS_DEFAULT})
+.error Unsupported RUBY_RAILS_DEFAULT: ${RUBY_RAILS_DEFAULT}
+.endif
+
+.if empty(RUBY_RAILS_ACCEPTED)
+RUBY_RAILS_ACCEPTED=   ${RUBY_RAILS_SUPPORTED}
 .endif
 
-RUBY_RAILS?=   ${RUBY_RAILS_DEFAULT}
+.if defined(RUBY_RAILS_REQD)
+.  if empty(RUBY_RAILS_ACCEPTED:M${RUBY_RAILS_REQD})
+.    error Unsupported RUBY_RAILS_REQD: ${RUBY_RAILS_REQD}
+.  endif
+.  for rr in ${RUBY_RAILS_ACCEPTED}
+.    if ${rr} == ${RUBY_RAILS_REQD}
+RUBY_RAILS=    ${rr}
+.    endif
+.  endfor
+.endif
+
+.if !defined(RUBY_RAILS)
+.  for rr in ${RUBY_RAILS_ACCEPTED}
+RUBY_RAILS?=   ${rr}
+.  endfor
+.endif
+
+RUBY_RAILS?=   ${RUBY_RAILS_SUPPORTED}
 
 .if ${RUBY_RAILS} == "42"
 RAILS_VERSION:=        ${RUBY_RAILS42_VERSION}