externalize compatible version query

This makes it easier to switch out the location this information is
retrieved from, should there be a more current source to query than the
install.rdf file included in the Add-On itself.

1 files changed, 7 insertions, 4 deletions

diff --git a/PKGBUILD b/PKGBUILD
index c8a042a02afc..f24640f3e1cf 100644
--- a/PKGBUILD
+++ b/PKGBUILD
@@ -32,13 +32,18 @@ sparql() {
     -D "${2:-install.rdf}" -r csv 2>/dev/null | tr -d '\r' | tail -n 1 | head -c -1
 }
 
+# Retrieve current compatibility information from install.rdf.
+query-version() {
+  sparql "[] em:id '$2' ; em:${1}Version ?x" install.rdf
+}
+
+
 pkgver() {
   cd $_gitname
   sparql '<urn:mozilla:install-manifest> em:version ?x' | tr - .
   echo -n .
 printf "r%s.%s" "$(git rev-list --count HEAD)" "$(git rev-parse --short HEAD)"
 }
-
 version-range() {
   local emid=$(emid $1)
   echo "$1>$(version min $emid)" "$1<$(version max $emid)"
@@ -53,9 +58,7 @@ emid() {
 }
 
 version() {
-  local version;
-  version=$(sparql "[] em:id '$2' ; em:${1}Version ?x" \
-    "$srcdir/install.rdf" )
+  local version="$(query-version $1 $2)"
   if [[ $version =~ ([[:digit:]]+).\* ]]; then
     if [[ $1 = max ]]; then
       echo $(( ${BASH_REMATCH[1]} + 1 ))