First check in

Makefile

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+# This file is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License version 2 as 
+# published by the Free Software Foundation here:
+# (http://www.gnu.org/licenses/gpl-2.0.html)
+# 
+# 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.
+
+# Some, but not all of variables are required. The following list
+# describes the required variables:
+#
+# * URL:	The main website of the upstream project
+# * REPO:	The location of the package on the source pacakge
+#		server. This might be one of core, main, dev, or
+#		perhaps others.
+# * BRIEF:	Short description, should be 50 chars or less
+# * SNAPVER:	This is the package version. When a package is
+#		changed, but no changes are made to the source code
+#		this value should be increased. This would include
+#		things like usher being modified, changes to default
+#		configuration files, file permissions, etc.
+# * ARCHIVE:	The default commands that set this variable should
+#		work in most cases, but in some cases it may need
+#		to be modified. This variable should contain the
+#		path to the source of the package (./SRC/filename)
+# * TYPE:	This is probably not really needed due to the
+#		ability	of gnu tar to figure it out on its own.
+#		Should probably be removed at some point.
+# * SRCDIR:	This is the name of the source directory after the
+#		package source is extracted. The default command
+#		should in most cases set this automatically.
+# * PATCHDIR:	This directory should be ./SRC/patches and is
+#		required, whether or not patches are used.
+# * VERSION:	This should be set automatically based on the
+#		version string in the source directory and SNAPVER.
+#		The default command here should work in many cases,
+#		but certain packages may need to use a different
+#		method.
+#
+# Variables that aren't required:
+#
+# * ARCH:	This should be populated for packages which contain
+#		compiled binaries. If it is not populated the ARCH
+#		will be set to 'noarch'.
+# * DEPENDS:	If any other packages are required for this package
+#		to function then they need to be listed here,
+#		preferably in alphabetical order.
+# * BUILDDEPS:	Any package beyond packages from the core repo
+#		need to be listed here. The idea is that we
+#		can automate building and testing packages
+#		from clean core systems. The core repo is
+#		intended to include only the base minimum
+#		packages which provide a functional system.
+# * SRCPKG:	By default this is populated automatically with
+#		the name of the package (current directory). If
+#		the source package is used to generate multiple
+#		packages then this variable should contain the
+#		name of the git repo that tracks the source.
+# * DESC:	This is to be used to provide a longer description
+#		of the package.
+
+ARCH = x86_64
+DEPENDS = cyrus-sasl,dash,db,glibc,openldap,openssl,pcre
+BUILDDEPS = 
+SRCPKG = 
+URL = http://www.postfix.org/
+REPO = main
+BRIEF = The Postfix MTA
+DESC = The Postfix MTA (Mail Transport Agent) was written as an alternative \
+to the widely-used Sendmail program
+SNAPVER = 0
+
+ARCHIVE := $(PWD)/SRC/$(shell ls SRC|egrep '(bz2|gz|tar|xz)$$'|tail -1)
+TYPE := $(shell file -ib $(ARCHIVE)|cut -d';' -f1|tr -d '\n')
+SRCDIR := $(shell tar -tf $(ARCHIVE)|head -1|sed 's/\/.*//')
+PATCHDIR := $(PWD)/SRC/patches
+VERSION := $(shell echo $(SRCDIR)|egrep -o '\-[0-9].*'|sed 's/^-//')-$(SNAPVER)
+
+include /usr/share/snap/Makefile.snaplinux
+
+$(SRCDIR)/Makefile: $(ARCHIVE)
+	@if [ '$(TYPE)' == 'application/x-bzip2' ]; then \
+		tar -jxf $(ARCHIVE); \
+	elif [ '$(TYPE)' == 'application/x-gzip' ]; then \
+		tar -zxf $(ARCHIVE); \
+	elif [ '$(TYPE)' == 'application/x-tar' ]; then \
+		tar -xf $(ARCHIVE); \
+	elif [ '$(TYPE)' == 'application/x-xz' ]; then \
+		tar -xf $(ARCHIVE); \
+	else \
+		echo 'Unable to determine archive type'; \
+		exit 1; \
+	fi
+	@touch $(SRCDIR)/Makefile
+
+# binfile should be replaced with a file generated by the
+# make process. It won't really break anything if not
+# set to a valid file, but the source make process will
+# be re-executed even if it isn't necessary
+
+$(SRCDIR)/bin/postfix: $(SRCDIR)/Makefile
+	@cd $(SRCDIR) && make CCARGS="-DUSE_SASL_AUTH -DUSE_CYRUS_SASL \
+		-I/usr/include/sasl -DHAS_LDAP -DUSE_TLS" AUXLIBS="-lsasl2 \
+		-lldap -llber -lssl -lcrypto" makefiles && make
+
+$(ROOT): $(SRCDIR)/bin/postfix
+	@if [ -d $(ROOT) ]; then \
+		touch $(ROOT); \
+	else \
+		mkdir -v $(ROOT); \
+	fi
+
+	@cd $(SRCDIR) && sh postfix-install -non-interactive \
+		install_root=$(ROOT) \
+		daemon_directory=/usr/lib/postfix \
+		manpage_directory=/usr/share/man \
+		html_directory=/usr/share/doc/postfix/html \
+		readme_directory=/usr/share/doc/postfix/readme && \
+	install -v -d -m 0755 $(ROOT)/etc/init.d && \
+	install -v -d -m 0755 $(ROOT)/usr/share/postfix/etc && \
+	install -v -m 0755 $(SNAPDIR)/postfix.init \
+		$(ROOT)/etc/init.d/postfix && \
+	mv -v $(ROOT)/etc/postfix/* $(ROOT)/usr/share/postfix/etc
+
+test: $(ROOT)
+	@cd $(SRCDIR); \
+	make check
+
+clean:
+	@rm -rvf $(ROOT) \
+		$(SNAPINFO) \
+		$(MANIFEST) \
+		$(FILES) \
+		$(SRCDIR)
+

SNAP/README

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+This is the directory where the manifest, snapinfo,
+and files.tar.gz files will be created. It is also
+where the usher file should be placed if it is
+required by the package. Any other files that need
+to be included could also be placed here.

SNAP/postfix.init

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+#!/bin/sh
+### BEGIN INIT INFO
+# Provides:            postfix
+# Required-Start:      $syslog $local_fs $network
+# Should-Start:        $remote_fs openldap saslauthd
+# Required-Stop:       $network
+# Should-Stop:         $remote_fs openldap saslauthd
+# Default-Start:       3 4 5
+# Default-Stop:        0 1 2 6
+# Short-Description:   Postfix MTA
+# Description:         Controls the Postfix Mail Transfer Agent
+### END INIT INFO
+
+. /lib/lsb/init-functions
+
+BINFILE=/usr/lib/postfix/master
+PIDFILE=/var/spool/postfix/pid/master.pid
+
+case "$1" in
+  start)
+    log_init_msg "Starting Postfix"
+    start_daemon -p "${PIDFILE}" /usr/sbin/postfix start 2> /dev/null && \
+      log_success_msg || log_failure_msg
+    ;;
+  stop)
+    log_init_msg "Stopping Postfix"
+    killproc -p "${PIDFILE}" ${BINFILE} && log_success_msg || log_failure_msg
+    ;;
+  reload)
+    log_init_msg "Reloading Postfix"
+    killproc -p "${PIDFILE}" ${BINFILE} -HUP && log_success_msg || \
+      log_failure_msg
+    ;;
+  restart)
+    $0 stop
+    sleep 1
+    $0 start
+    ;;
+  status)
+    pid=$(pidofproc -p "$PIDFILE" "$BINFILE");
+
+    if [ "$?" -ne 0 ]; then
+      echo "postfix is not runing"
+    else
+      echo "postfix running with PID: $pid"
+    fi
+    ;;
+  *)
+    echo "Usage: $0 {start|stop|reload|restart|status}"
+    exit 1
+    ;;
+esac

SNAP/usher

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+#!/bin/sh
+
+set -e
+
+case $1 in
+  preinst)
+    exit 0
+    ;;
+  postinst)
+    getent group postfix 2>&1 > /dev/null || groupadd -g 32 postfix
+    getent group postdrop 2>&1 > /dev/null || groupadd -g 33 postdrop
+    getent passwd postfix 2>&1 > /dev/null || useradd -c "Postfix Daemon" \
+      -g postfix -d /dev/null -s /bin/false -u 32 postfix
+
+    if [ ! -f /etc/aliases ]; then
+      printf "postmaster: root\nMAILER-DAEMON: root" > /etc/aliases
+      newaliases
+    fi
+
+    for f in /usr/share/postfix/etc/*; do
+      if [ ! -f /etc/postfix/`basename $f` ]; then
+        cp -a $f /etc/postfix
+      fi
+    done
+
+    chown -R postfix.postdrop /var/spool/postfix/* /var/lib/postfix
+    chown root.root /var/spool/postfix/pid
+    chgrp postdrop /usr/sbin/postqueue \
+      /usr/sbin/postdrop \
+      /var/spool/postfix/public \
+      /var/spool/postfix/maildrop
+    chmod 2555 /usr/sbin/postqueue \
+      /usr/sbin/postdrop
+    ;;
+  prerm)
+    exit 0
+    ;;
+  postrm)
+    exit 0
+    ;;
+esac

SRC/patches/README

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+Place any patch files here and preface each with a
+number indicating the order of execution. Patch
+files are expected to use a .patch extension.