Add debian packaging files

This doesn't quite work, since the debuild stuff refuses to see the
rustup-installed cargo/rustc, which is required for our build.

debian/changelog

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+bscreensaver (0.1.0-1) UNRELEASED; urgency=medium
+
+  * Initial release.
+
+ -- Brian Tarricone <brian@tarricone.org>  Thu, 05 May 2022 01:22:57 -0700

debian/compat

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+13

debian/control

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+Source: bscreensaver
+Maintainer: Brian Tarricone <brian@tarricone.org>
+Section: x11
+Priority: optional
+Standards-Version: 3.9.2
+Build-Depends:
+  debhelper (>= 13),
+  pkg-config,
+  libxcb-randr0-dev,
+  libxcb-xfixes0-dev,
+  libxcb1-dev,
+  libgtk-3-dev,
+  libpam0g-dev,
+  cargo,
+  rustc,
+  help2man
+
+Package: bscreensaver
+Architecture: any
+Depends: ${shlibs:Depends}, ${misc:Depends}
+Description: secure X11 screen locker
+ BScreensaver is a privilege-separated screen locker that attempts to
+ be as secure as possible, meaning that a crash one one of its
+ non-critical components will not cause the screen to unlock.
+ .
+ It is fairly barebones so far, and only supports blanking the screen.
+ There is a single unlock dialog implementation that uses GTK3.

debian/copyright

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+Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
+Upstream-Name: bscreensaver
+Upstream-Contact: Brian Tarricone <brian@tarricone.org>
+Source: https://github.com/kelnos/bscreensaver
+
+Files: *
+Copyright: 2022 Brian Tarricone <brian@tarricone.org>
+License: GPL-3
+
+License: GPL-3
+ 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 3 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 <http://www.gnu.org/licenses/>.
+ .
+ On Debian systems, the full text of the GNU General Public
+ License version 3 can be found in the file
+ '/usr/share/common-licenses/GPL-3'.

debian/rules

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+#!/usr/bin/make -f
+
+
+RUST_RELEASE_CHANNEL = nightly
+
+MAKE_ARGS = \
+	RUST_RELEASE_CHANNEL=$(RUST_RELEASE_CHANNEL) \
+	PREFIX=/usr \
+	SYSCONFDIR=/etc \
+	DESTDIR=debian/bscreensaver
+
+%:
+	dh $@
+
+override_dh_auto_clean:
+	@echo "HOME=$$HOME"
+	@echo "PATH=$$PATH"
+	ls $$HOME/.rustup
+	ls $$HOME/.cargo
+	dh_auto_clean -- $(MAKE_ARGS)
+
+override_dh_auto_build:
+	dh_auto_build -- $(MAKE_ARGS)
+
+override_dh_auto_install:
+	dh_auto_install -- $(MAKE_ARGS)

debian/source/format

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+3.0 (quilt)