Summary and Info:

makepkg does not work with bash 3.1.17. Version 3.2.17 works fine. The following patch fixes the issue and works on both versions:

diff --git a/scripts/makepkg.sh.in b/scripts/makepkg.sh.in
index 266e214..0813855 100644
--- a/scripts/makepkg.sh.in
+++ b/scripts/makepkg.sh.in
@@ -307,12 +307,12 @@ download_file() {

# replace %o by the temporary dlfile if it exists
if echo "$dlcmd" | grep -q "%o" ; then
- dlcmd=${dlcmd//%o/$file.part}
+ dlcmd=${dlcmd//\%o/$file.part}
dlfile="$file.part"
fi
# add the url, either in place of %u or at the end
if echo "$dlcmd" | grep -q "%u" ; then
- dlcmd=${dlcmd//%u/$url}
+ dlcmd=${dlcmd//\%u/$url}
else
dlcmd="$dlcmd $url"
fi