makepkg: allow overriding pkgver and pkgrel in split packages

Fixing a single package within a split package requires the overriding
or pkgrel.  In very rare (but existing) cases, it is useful to
override pkgver.  Partial fix for FS#15955.

Signed-off-by: Allan McRae <allan@archlinux.org>
Signed-off-by: Dan McGee <dan@archlinux.org>

PKGBUILD-split.proto

@@ -34,6 +34,8 @@ build() {
 
 package_pkg1() {
   # options and directives that can be overridden
+  pkgver=
+  pkgrel=
   pkgdesc=""
   license=()
   groups=()

doc/PKGBUILD.5.txt

@@ -275,9 +275,9 @@ name of the split package.
 
 All options and directives for the split packages default to the global values given
 within the PKGBUILD. However, some of these can be overridden within each split
-package's packaging function. The following variables can be overridden: `pkgdesc`,
-`license`, `groups`, `depends`, `optdepends`, `provides`, `conflicts`, `replaces`,
-`backup`, `options`, `install` and `changelog`.
+package's packaging function. The following variables can be overridden: `pkgver`,
+`pkgrel`, `pkgdesc`, `license`, `groups`, `depends`, `optdepends`,
+`provides`, `conflicts`, `replaces`, `backup`, `options`, `install` and `changelog`.
 
 An optional global directive is available when building a split package:
 

scripts/makepkg.sh.in

@@ -46,8 +46,9 @@ pkgdir="$startdir/pkg"
 
 packaging_options=('strip' 'docs' 'libtool' 'emptydirs' 'zipman' 'purge')
 other_options=('ccache' 'distcc' 'makeflags' 'force')
-splitpkg_overrides=('pkgdesc' 'license' 'groups' 'depends' 'optdepends' 'provides' \
-                    'conflicts' 'replaces' 'backup' 'options' 'install' 'changelog')
+splitpkg_overrides=('pkgver' 'pkgrel' 'pkgdesc' 'license' 'groups' \
+                    'depends' 'optdepends' 'provides' 'conflicts' 'replaces' \
+                    'backup' 'options' 'install' 'changelog')
 readonly -a packaging_options other_options splitpkg_overrides
 
 # Options