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-rw-r--r--debhelper/Debian/Debhelper/pgxs.pm38
1 files changed, 38 insertions, 0 deletions
diff --git a/debhelper/Debian/Debhelper/pgxs.pm b/debhelper/Debian/Debhelper/pgxs.pm
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+++ b/debhelper/Debian/Debhelper/pgxs.pm
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+# A debhelper build system class for building PostgreSQL extension modules using PGXS
+#
+# Copyright: © 2020 Christoph Berg
+# License: GPL-2+
+
+package Debian::Debhelper::pgxs;
+
+use strict;
+use warnings;
+use Exporter 'import';
+our @EXPORT = qw(package_pattern);
+
+=head1 package_pattern()
+
+From C<debian/control.in>, look for the package name containing the
+B<PGVERSION> placeholder, and return it in the format suitable for passing to
+B<pg_buildext>, i.e. with B<PGVERSION> replaced by B<%v>.
+
+For B<Package: postgresql-PGVERSION-unit> it will return B<postgresql-%v-unit>.
+
+Errors out if more than one package with the B<PGVERSION> placeholder is found.
+
+=cut
+
+sub package_pattern () {
+ open F, "debian/control.in" or die "debian/control.in: $!";
+ my $pattern;
+ while (<F>) {
+ if (/^Package: (.*)PGVERSION(.*)/) {
+ die "More than one Package with PGVERSION placeholder found in debian/control.in, cannot build with dh --buildsystem=pgxs. Use pg_buildext manually." if ($pattern);
+ $pattern = "$1%v$2";
+ }
+ }
+ close F;
+ return $pattern;
+}
+
+1;