add dry-run command

6 files changed, 23 insertions, 4 deletions

diff --git a/CHANGELOG.md b/CHANGELOG.md
index aabf6b6c7..c7ac38c60 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,11 @@
 
 ## master (unreleased)
 
+### New features
+
+* Add powershell theme for powershell terminal
+* Add `xmake --dry-run -v` to dry run building target and only show verbose build command.
+
 ## v2.3.1
 
 ### New features
@@ -681,6 +686,11 @@
 
 ## master (开发中)
 
+### 新特性
+
+* 添加powershell色彩主题用于powershell终端下背景色显示
+* 添加`xmake --dry-run -v`命令去空运行构建，仅仅为了查看详细的构建命令
+
 ## v2.3.1
 
 ### 新特性
diff --git a/xmake/actions/build/kinds/binary.lua b/xmake/actions/build/kinds/binary.lua
index b6d3fa937..97e4d14e8 100644
--- a/xmake/actions/build/kinds/binary.lua
+++ b/xmake/actions/build/kinds/binary.lua
@@ -88,7 +88,9 @@ function _do_link_target(target, opt)
     io.flush()
 
     -- link it
-    assert(linkinst:link(objectfiles, targetfile, {linkflags = linkflags}))
+    if not option.get("dry-run") then
+        assert(linkinst:link(objectfiles, targetfile, {linkflags = linkflags}))
+    end
 
     -- update files and values to the dependent file
     dependinfo.files  = depfiles
diff --git a/xmake/actions/build/kinds/shared.lua b/xmake/actions/build/kinds/shared.lua
index 7b93b580b..31f97a51a 100644
--- a/xmake/actions/build/kinds/shared.lua
+++ b/xmake/actions/build/kinds/shared.lua
@@ -101,7 +101,9 @@ function _do_link_target(target, opt)
     io.flush()
 
     -- link it
-    assert(linkinst:link(objectfiles, targetfile, {linkflags = linkflags}))
+    if not option.get("dry-run") then
+        assert(linkinst:link(objectfiles, targetfile, {linkflags = linkflags}))
+    end
 
     -- update files and values to the dependent file
     dependinfo.files  = depfiles
diff --git a/xmake/actions/build/kinds/static.lua b/xmake/actions/build/kinds/static.lua
index 2c225a353..42481d3ec 100644
--- a/xmake/actions/build/kinds/static.lua
+++ b/xmake/actions/build/kinds/static.lua
@@ -97,7 +97,9 @@ function _do_link_target(target, opt)
     io.flush()
 
     -- link it
-    assert(linkinst:link(objectfiles, targetfile, {linkflags = linkflags}))
+    if not option.get("dry-run") then
+        assert(linkinst:link(objectfiles, targetfile, {linkflags = linkflags}))
+    end
 
     -- update files and values to the dependent file
     dependinfo.files  = depfiles
diff --git a/xmake/actions/build/xmake.lua b/xmake/actions/build/xmake.lua
index eab28b41f..2dd6fbd8e 100644
--- a/xmake/actions/build/xmake.lua
+++ b/xmake/actions/build/xmake.lua
@@ -41,6 +41,7 @@ task("build")
                     {'b', "build",      "k",  nil   , "Build target. This is default building mode and optional."     }
                 ,   {'r', "rebuild",    "k",  nil   , "Rebuild the target."                                           }
                 ,   {'a', "all",        "k",  nil   , "Build all targets."                                            }
+                ,   {nil, "dry-run",    "k",  nil   , "Dry run to build target."                                      }
 
                 ,   {}
                 ,   {'j', "jobs",       "kv", tostring(math.ceil(os.cpuinfo().ncpu * 3 / 2)),
diff --git a/xmake/modules/private/action/build/object.lua b/xmake/modules/private/action/build/object.lua
index b2aec9c72..aaeef7725 100644
--- a/xmake/modules/private/action/build/object.lua
+++ b/xmake/modules/private/action/build/object.lua
@@ -76,7 +76,9 @@ function _do_build_file(target, sourcefile, opt)
 
     -- compile it 
     dependinfo.files = {}
-    assert(compinst:compile(sourcefile, objectfile, {dependinfo = dependinfo, compflags = compflags}))
+    if not option.get("dry-run") then
+        assert(compinst:compile(sourcefile, objectfile, {dependinfo = dependinfo, compflags = compflags}))
+    end
 
     -- update files and values to the dependent file
     dependinfo.values = depvalues