From d861a7fecff8e900e3a65e09dc7a2e89e57b3b47 Mon Sep 17 00:00:00 2001
From: Karen Arutyunov <karen@codesynthesis.com>
Date: Sat, 17 Nov 2018 18:04:53 +0300
Subject: Add --jobs common option

---
 bdep/clean.hxx  | 10 +++++++++-
 bdep/common.cli | 11 +++++++++++
 bdep/test.hxx   |  3 +++
 bdep/update.hxx | 10 +++++++++-
 4 files changed, 32 insertions(+), 2 deletions(-)

diff --git a/bdep/clean.hxx b/bdep/clean.hxx
index 35b37aa..f64c1ef 100644
--- a/bdep/clean.hxx
+++ b/bdep/clean.hxx
@@ -19,7 +19,15 @@ namespace bdep
              const cstrings& pkgs,
              const strings& cfg_vars)
   {
-    run_bpkg (2, o, "clean", "-d", c->path, cfg_vars, pkgs);
+    run_bpkg (2,
+              o,
+              (o.jobs_specified ()
+               ? strings ({"-j", to_string (o.jobs ())})
+               : strings ()),
+              "clean",
+              "-d", c->path,
+              cfg_vars,
+              pkgs);
   }
 
   inline int
diff --git a/bdep/common.cli b/bdep/common.cli
index eb9c6ec..8ab4b8e 100644
--- a/bdep/common.cli
+++ b/bdep/common.cli
@@ -79,6 +79,17 @@ namespace bdep
        \li|Even more detailed information.||"
     }
 
+    size_t --jobs|-j
+    {
+      "<num>",
+      "Number of jobs to perform in parallel. If this option is not
+       specified or specified with the \c{0} value, then the number of
+       available hardware threads is used. This option is also propagated
+       when executing package manager commands such as \l{bpkg-pkg-update(1)},
+       \l{bpkg-pkg-test(1)}, etc., which in turn propagate it to the build
+       system."
+    }
+
     path --bpkg
     {
       "<path>",
diff --git a/bdep/test.hxx b/bdep/test.hxx
index 33fbd8e..382fe85 100644
--- a/bdep/test.hxx
+++ b/bdep/test.hxx
@@ -21,6 +21,9 @@ namespace bdep
   {
     run_bpkg (2,
               o,
+              (o.jobs_specified ()
+               ? strings ({"-j", to_string (o.jobs ())})
+               : strings ()),
               "test",
               "-d", c->path,
               (o.immediate () ? "--immediate" :
diff --git a/bdep/update.hxx b/bdep/update.hxx
index d79c7b2..36ce8da 100644
--- a/bdep/update.hxx
+++ b/bdep/update.hxx
@@ -19,7 +19,15 @@ namespace bdep
               const cstrings& pkgs,
               const strings& cfg_vars)
   {
-    run_bpkg (2, o, "update", "-d", c->path, cfg_vars, pkgs);
+    run_bpkg (2,
+              o,
+              (o.jobs_specified ()
+               ? strings ({"-j", to_string (o.jobs ())})
+               : strings ()),
+              "update",
+              "-d", c->path,
+              cfg_vars,
+              pkgs);
   }
 
   inline int
-- 
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