added passing variables to the script

CHANGELOG

@@ -2,6 +2,7 @@ Version 2.2.1
 2-2-2015
 
 [Feature] - Added support multipackages.
+          - Added passing variables to the script.
 
 [Updated] - Fix [key error] when you enter wrong name repository as default.
           - Rename BUILD variable to BUILD_PATH in configuration file slpkg.conf.

README.rst

@@ -267,6 +267,7 @@ Command Line Tool Usage
 Slpkg Examples
 --------------
 
+
 If you use slpkg for the first time will have to create 
 and update the package list. This command must be executed to update the 
 package lists:
@@ -441,6 +442,20 @@ Installing packages from the repositories (supporting multi packages):
     Would you like to continue [Y/n]?
 
 
+Build packages and passing variables to the script:
+
+.. code-block:: bash
+
+    First export variable(s) like:
+    
+    $ export SLPKG_FFMPEG_ASS=yes SLPKG_FFMPEG_X264=yes
+    
+    
+    And then run as you know:
+
+    $ slpkg -s sbo ffmpeg
+
+    
 Tracking all dependencies of packages,
 and also displays installed packages:
 
@@ -465,6 +480,7 @@ and also displays installed packages:
      |
      +--5 libunique
 
+
 Check if your packages is up to date:
 
 .. code-block:: bash
@@ -653,6 +669,7 @@ Auto tool to build package:
 
     Total build time for package termcolor : 1 Sec
 
+
 Upgrade, install packages like Slackware command '# upgradepkg --install-new':
 
 .. code-block:: bash
@@ -684,6 +701,7 @@ Install mass-packages:
 
     $ slpkg -i *.t?z
 
+
 Find installed packages:
 
 .. code-block:: bash
@@ -754,6 +772,7 @@ Display the contents of the packages:
     
     No such package lua: Cant find
 
+
 Remove packages:
 
 .. code-block:: bash
@@ -791,6 +810,7 @@ Remove packages:
     | Package: termcolor removed
     +==============================================================================
 
+
 Remove packages with all dependencies:
 (presupposes facility with the option 'slpkg -s <repository> <package>)
 
@@ -828,7 +848,6 @@ Remove packages with all dependencies:
     +==============================================================================
 
 
-
 Build and install packages that have added to the queue:
 
 .. code-block:: bash
@@ -863,6 +882,7 @@ Build and install packages that have added to the queue:
 
     $ slpkg -q --build-install (build and install)
 
+
 Add packages in blacklist file manually from 
 /etc/slpkg/blacklist or with the following options:
 

slpkg/pkg/build.py

@@ -76,22 +76,25 @@ class BuildPackage(object):
             # change permissions
             subprocess.call("chmod +x {0}.SlackBuild".format(self.prgnam),
                             shell=True)
+            pass_var = self.pass_variable()
             if _m.sbo_build_log == "on":
                 if os.path.isfile(self.build_logs + self.log_file):
                     os.remove(self.build_logs + self.log_file)
                 # start log write
                 log_head(self.build_logs, self.log_file, self.start_log_time)
-                subprocess.Popen("./{0}.SlackBuild 2>&1 | tee -a {1}{2}".format(
-                    self.prgnam, self.build_logs, self.log_file), shell=True,
-                    stdout=sys.stdout).communicate()
+                subprocess.Popen("{0} ./{1}.SlackBuild 2>&1 | tee -a "
+                                 "{2}{3}".format(' '.join(pass_var),
+                                                 self.prgnam, self.build_logs,
+                                                 self.log_file), shell=True,
+                                 stdout=sys.stdout).communicate()
                 sum_time = build_time(self.start_time)
                 # write end in log file
                 log_end(self.build_logs, self.log_file, sum_time)
                 print("Total build time for package {0} : {1}\n".format(
                     self.prgnam, sum_time))
             else:
-                subprocess.call("./{0}.SlackBuild".format(self.prgnam,
-                                                          shell=True))
+                subprocess.call("{0} ./{1}.SlackBuild".format(
+                    ' '.join(pass_var), self.prgnam, shell=True))
             os.chdir(self.path)
         except (OSError, IOError):
             Msg().pkg_not_found("\n", self.prgnam, "Wrong file", "\n")
@@ -99,6 +102,18 @@ class BuildPackage(object):
             print("")   # new line at exit
             sys.exit(0)
 
+    def pass_variable(self):
+        '''
+        Grep slpkg bash variable
+        '''
+        pass_var = []
+        bash_var = subprocess.check_output("set | grep 'SLPKG'", shell=True)
+        for var in bash_var.split():
+            if (var.startswith('SLPKG') and
+                    var.split('_')[-2].lower() == self.prgnam.lower()):
+                pass_var.append(var[len('SLPKG') + len(self.prgnam) + 2:])
+        return pass_var
+
 
 def log_head(path, log_file, log_time):
     '''