add {load,unset}_PKGBUILD to conf.sh, use it.

There are a bunch of caveats to loading a PKGBUILD file.  This way it is
all done correctly in one place.

unset_PKGBUILD unsets any functions and variables that are normally set in
a PKGBUILD.  The list is far more complete than any existing
implementation.

load_PKGBUILD loads the file given, or "./PKGBUILD" if none is given.  But
first it calls unset_PKGBUILD and then sets CARCH.

2 files changed, 3 insertions, 8 deletions

diff --git a/src/toru/toru-info b/src/toru/toru-info
index 5b6fd01..6418de4 100755
--- a/src/toru/toru-info
+++ b/src/toru/toru-info
@@ -1,12 +1,13 @@
 #!/bin/bash
 # Prints info about a given pkgname
 . libremessages
+. $(librelib conf)
 
 for _pkg in $@; do
   _pkgbuild="$(toru-where $_pkg)"
 
   if [ -f "$_pkgbuild/PKGBUILD" ]; then
-    source "$_pkgbuild/PKGBUILD" 2>/dev/null || {
+      load_PKGBUILD "$_pkgbuild/PKGBUILD" 2>/dev/null || {
       warning "Errors on %s" $_pkg
       continue
     }
@@ -14,8 +15,6 @@ for _pkg in $@; do
     deps="${depends[@]} ${makedepends[@]} ${checkdepends[@]}"
     repo="$(basename $(dirname "$_pkgbuild"))"
 
-    unset build package depends makedepends checkdepends optdepends source md5sums
-
     msg "%s/%s %s-%s" $repo $_pkg $pkgver $pkgrel
     msg2 "$pkgdesc"
     msg2 "$url"
@@ -23,6 +22,4 @@ for _pkg in $@; do
   else
     warning "%s doesn't exist" $_pkg
   fi
-
-  unset pkgname pkgver pkgrel pkgdesc url
 done
diff --git a/src/toru/toru-path b/src/toru/toru-path
index 3f35dbe..ca87e48 100755
--- a/src/toru/toru-path
+++ b/src/toru/toru-path
@@ -32,7 +32,7 @@ msg "Updating path cache"
 msg2 "${#pkgbuilds[@]} PKGBUILDs to update"
 for _pkgbuild in ${pkgbuilds[@]}; do
 #  plain "$_pkgbuild"
-  source ${_pkgbuild} >/dev/null 2>&1 || {
+  load_PKGBUILD "${_pkgbuild}" >/dev/null 2>&1 || {
     error "${_pkgbuild} contains errors, skipping"
     continue
   }
@@ -43,8 +43,6 @@ for _pkgbuild in ${pkgbuilds[@]}; do
     $VERBOSE && msg2 "${_pkg} -> ${fullpath}"
     tcamgr put ${PATHFILE} ${_pkg/[<>=]*} ${fullpath}
   done
-
-  unset pkgbase pkgname provides
 done
 
 lastsync ${LASTSYNCFILE}