1 files changed, 154 insertions, 0 deletions
diff --git a/scripts/Dpkg/BuildInfo.pm b/scripts/Dpkg/BuildInfo.pm
new file mode 100644
index 0000000..7be6bc7
--- /dev/null
+++ b/scripts/Dpkg/BuildInfo.pm
@@ -0,0 +1,154 @@
+# Copyright © 2016-2022 Guillem Jover <guillem@debian.org>
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+package Dpkg::BuildInfo;
+
+use strict;
+use warnings;
+
+our $VERSION = '1.00';
+our @EXPORT_OK = qw(
+    get_build_env_allowed
+);
+
+use Exporter qw(import);
+
+=encoding utf8
+
+=head1 NAME
+
+Dpkg::BuildInfo - handle build information
+
+=head1 DESCRIPTION
+
+The Dpkg::BuildInfo module provides functions to handle the build
+information.
+
+=head1 FUNCTIONS
+
+=over 4
+
+=item @envvars = get_build_env_allowed()
+
+Get an array with the allowed list of environment variables that can affect
+the build, but are still not privacy revealing.
+
+=cut
+
+my @env_allowed = (
+    # Toolchain.
+    qw(
+        CC
+        CPP
+        CXX
+        OBJC
+        OBJCXX
+        PC
+        FC
+        M2C
+        AS
+        LD
+        AR
+        RANLIB
+        MAKE
+        AWK
+        LEX
+        YACC
+    ),
+    # Toolchain flags.
+    qw(
+        ASFLAGS
+        CFLAGS
+        CPPFLAGS
+        CXXFLAGS
+        OBJCFLAGS
+        OBJCXXFLAGS
+        GCJFLAGS
+        DFLAGS
+        FFLAGS
+        LDFLAGS
+        ARFLAGS
+        MAKEFLAGS
+    ),
+    # Dynamic linker, see ld(1).
+    qw(
+        LD_LIBRARY_PATH
+    ),
+    # Locale, see locale(1).
+    qw(
+        LANG
+        LC_ALL
+        LC_CTYPE
+        LC_NUMERIC
+        LC_TIME
+        LC_COLLATE
+        LC_MONETARY
+        LC_MESSAGES
+        LC_PAPER
+        LC_NAME
+        LC_ADDRESS
+        LC_TELEPHONE
+        LC_MEASUREMENT
+        LC_IDENTIFICATION
+    ),
+    # Build flags, see dpkg-buildpackage(1).
+    qw(
+        DEB_BUILD_OPTIONS
+        DEB_BUILD_PROFILES
+    ),
+    # DEB_flag_{SET,STRIP,APPEND,PREPEND} will be recorded after being merged
+    # with system config and user config.
+    # See deb-vendor(1).
+    qw(
+        DEB_VENDOR
+    ),
+    # See dpkg(1).
+    qw(
+        DPKG_ROOT
+        DPKG_ADMINDIR
+    ),
+    # See dpkg-architecture(1).
+    qw(
+        DPKG_DATADIR
+    ),
+    # See Dpkg::Vendor(3).
+    qw(
+        DPKG_ORIGINS_DIR
+    ),
+    # See dpkg-gensymbols(1).
+    qw(
+        DPKG_GENSYMBOLS_CHECK_LEVEL
+    ),
+    # See <https://reproducible-builds.org/specs/source-date-epoch>.
+    qw(
+        SOURCE_DATE_EPOCH
+    ),
+);
+
+sub get_build_env_allowed {
+    return @env_allowed;
+}
+
+=back
+
+=head1 CHANGES
+
+=head2 Version 1.00 (dpkg 1.21.14)
+
+Mark the module as public.
+
+=cut
+
+1;