please.sh version_from_pkgbuild: allow it to handle gnutls

Unfortunately, there are more than a single convention how to specify
the version of a package in `PKGBUILD`...

Signed-off-by: Johannes Schindelin <[email protected]>

Author: dscho

please.sh

@@ -1973,10 +1973,10 @@ test_git () { # <bitness>
 
 version_from_pkgbuild () { # <PKGBUILD>
 	sed -ne \
-		'/^_basever=/{N;N;s/.*=\([0-9].*\)\n.*\npkgrel=\(.*\)/\1-\2/p}' \
+		'/^_base_\?ver=/{N;N;s/.*=\([0-9].*\)\n.*\npkgrel=\(.*\)/\1-\2/p}' \
 		-e '/^_ver=/{N;N;N;s/.*=\([.0-9]*\)\([a-z][a-z]*\)\n.*\n.*\npkgrel=\(.*\)/\1.\2-\3/p}' \
-		-e '/^pkgver=/{N;N;s/.*=\([0-9].*\)\npkgrel=\([0-9]*\)\nepoch=\([0-9\*\)/\3~\1-\2/p;s/.*=\([0-9].*\)\npkgrel=\([0-9]*\).*/\1-\2/p;N;s/.*=\([0-9].*\)\n.*\npkgrel=\([0-9]*\).*/\1-\2/p}' \
-		-e '/^pkgver=/{N;N;s/[^=]*=\([0-9].*\)\npkgrel=\([0-9]*\)\nepoch=\([0-9]*\).*/\3~\1-\2/p;s/[^=]*=\([0-9].*\)\npkgrel=\([0-9]*\).*/\1-\2/p}' \
+		-e '/^_\?pkgver=/{N;N;s/.*=\([0-9].*\)\npkgrel=\([0-9]*\)\nepoch=\([0-9\*\)/\3~\1-\2/p;s/.*=\([0-9].*\)\npkgrel=\([0-9]*\).*/\1-\2/p;N;s/.*=\([0-9].*\)\n.*\npkgrel=\([0-9]*\).*/\1-\2/p}' \
+		-e '/^_\?pkgver=/{N;N;s/[^=]*=\([0-9].*\)\npkgrel=\([0-9]*\)\nepoch=\([0-9]*\).*/\3~\1-\2/p;s/[^=]*=\([0-9].*\)\npkgrel=\([0-9]*\).*/\1-\2/p}' \
 		-e '/^_basever=/{N;s/^_basever=\([0-9].*\)\n_patchlevel=\([0-9]*\) .*\n.*\npkgrel=\([0-9]*\).*/\1.\2-\3/p}' \
 		<"$1"
 }