Added --jobs option

README.rst

@@ -41,7 +41,7 @@ Usage
 
     $ slpkg --help
 
-      Usage: slpkg [OPTIONS] [packages]
+      Usage: slpkg [OPTIONS] <packages>
 
         Packaging tool that interacts with the SBo repository.
 
@@ -54,6 +54,7 @@ Usage
         clean-logs          Purge logs of dependencies.
 
         --yes               Answer Yes to all questions.
+        --jobs              Set it for multicore systems.
         --resolve-off       Turns off dependency resolving.
         --reinstall         Use this option if you want to upgrade.
 
@@ -86,4 +87,4 @@ Copyright
 
 - Copyright 2014-2022 © Dimitris Zlatanidis. 
 - Slackware® is a Registered Trademark of Patrick Volkerding. 
-- Linux is a Registered Trademark of Linus Torvalds.
+- Linux is a Registered Trademark of Linus Torvalds.

man/slpkg.1

@@ -1,7 +1,7 @@
 .TH slpkg 1 "Orestiada, Greece" "slpkg 4.1.0" dslackw
 .SH NAME
 .P
-slpkg - [OPTIONS] [packages]
+slpkg - [OPTIONS] <packages>
 .SH SYNAPSES
 .P
 slpkg [-h|-v] [update] [build] [install] [remove] [search] [clean-logs] --yes --resolve-off --reinstall
@@ -12,16 +12,6 @@ Slpkg is a software package manager that installs, updates, and removes packages
 Slpkg works in accordance with the standards of the organization SlackBuilds.org to build packages. Also uses the Slackware Linux instructions for installation, upgrading or removing packages.
 .SH OPTIONS
 .P
--h | --help
-.RS
-Show help informatio and exit.
-.RE
-.P
--v | --version
-.RS
-Print version and exit.
-.RE
-.P
 update
 .RS
 Updates the package list and the database.
@@ -57,6 +47,12 @@ Purge logs of dependencies.
 Answer Yes to all questions.
 .RE
 .P
+--jobs
+.RS
+Acceleration of SlackBuild scripts. When the --jobs flag is set, slpkg automatically detects the number of processors and enters it into the MAKEFLAGS variable. Some SlackBuilds fail when 
+MAKEFLAGS is declared or the number of processors (-j) is greater than one.
+.RE
+.P
 --resolve-off
 .RS
 Turns off dependency resolving.
@@ -66,6 +62,16 @@ Turns off dependency resolving.
 .RS
 Use this option if you want to upgrade all packages even if the same version is already installed. Do not skip installed packages.
 .RE
+.P
+-h | --help
+.RS
+Show help informatio and exit.
+.RE
+.P
+-v | --version
+.RS
+Print version and exit.
+.RE
 .SH CONFIGURATION FILES
 .P
 Configuration file in the /etc/slpkg/slpkg.json file.

slpkg/main.py

@@ -8,7 +8,7 @@ from dataclasses import dataclass
 from slpkg.checks import Check
 from slpkg.search import Search
 from slpkg.version import Version
-from slpkg.cli_menu import usage
+from slpkg.views.cli_menu import usage
 from slpkg.slackbuild import Slackbuilds
 from slpkg.remove_packages import RemovePackages
 from slpkg.clean_logs import CleanLogsDependencies
@@ -22,6 +22,7 @@ class Argparse:
     def flags(self):
         self.flags = []
         yes = '--yes'
+        jobs = '--jobs'
         resolve_off = '--resolve-off'
         reinstall = '--reinstall'
 
@@ -29,6 +30,10 @@ class Argparse:
             self.args.remove(yes)
             self.flags.append(yes)
 
+        if jobs in self.args:
+            self.args.remove(jobs)
+            self.flags.append(jobs)
+
         if resolve_off in self.args:
             self.args.remove(resolve_off)
             self.flags.append(resolve_off)

slpkg/slackbuild.py

@@ -4,6 +4,7 @@
 import os
 import shutil
 import subprocess
+import multiprocessing
 
 from dataclasses import dataclass
 from collections import OrderedDict
@@ -159,10 +160,20 @@ class Slackbuilds:
         folder = f'{path}/{name}/'
         slackbuild = f'./{name}.SlackBuild'
         execute = folder + slackbuild
+
+        if '--jobs' in self.flags:
+            self.makeflags()
+
         stdout = subprocess.call(execute)
         if stdout > 0:
             raise SystemExit(stdout)
 
+    def makeflags(self):
+        ''' Set number of processors. '''
+        cpus = multiprocessing.cpu_count()
+        os.environ['MAKEFLAGS'] = f'-j {cpus}'
+        print(os.environ['MAKEFLAGS'])
+
     def download_sources(self, name: str, sources: str):
         ''' Download the sources. '''
         wget = Wget()

slpkg/views/cli_menu.py

@@ -16,6 +16,7 @@ def usage(status: int):
             '  search              Search packages by name.',
             '  clean-logs          Purge logs of dependencies.\n',
             '  --yes               Answer Yes to all questions.',
+            '  --jobs              Set it for multicore systems.',
             '  --resolve-off       Turns off dependency resolving.',
             '  --reinstall         Use this option if you want to upgrade.\n',
             '  -h, --help          Show this message and exit.',