ENH: Added INSTALL(CODE) mode to allow inline specification of install script code. This reduces the need for configuring an install script that needs some variable settings because the install code can set thing up first.

4 files changed, 43 insertions, 7 deletions

diff --git a/Source/cmInstallCommand.cxx b/Source/cmInstallCommand.cxx
index f51fb28..0669b7f 100644
--- a/Source/cmInstallCommand.cxx
+++ b/Source/cmInstallCommand.cxx
@@ -35,6 +35,10 @@ bool cmInstallCommand::InitialPass(std::vector<std::string> const& args)
     {
     return this->HandleScriptMode(args);
     }
+  else if(args[0] == "CODE")
+    {
+    return this->HandleScriptMode(args);
+    }
   else if(args[0] == "TARGETS")
     {
     return this->HandleTargetsMode(args);
@@ -59,11 +63,18 @@ bool cmInstallCommand::InitialPass(std::vector<std::string> const& args)
 bool cmInstallCommand::HandleScriptMode(std::vector<std::string> const& args)
 {
   bool doing_script = false;
+  bool doing_code = false;
   for(size_t i=0; i < args.size(); ++i)
     {
     if(args[i] == "SCRIPT")
       {
       doing_script = true;
+      doing_code = false;
+      }
+    else if(args[i] == "CODE")
+      {
+      doing_script = false;
+      doing_code = true;
       }
     else if(doing_script)
       {
@@ -83,12 +94,24 @@ bool cmInstallCommand::HandleScriptMode(std::vector<std::string> const& args)
       this->Makefile->AddInstallGenerator(
         new cmInstallScriptGenerator(script.c_str()));
       }
+    else if(doing_code)
+      {
+      doing_code = false;
+      std::string code = args[i];
+      this->Makefile->AddInstallGenerator(
+        new cmInstallScriptGenerator(code.c_str(), true));
+      }
     }
   if(doing_script)
     {
     this->SetError("given no value for SCRIPT argument.");
     return false;
     }
+  if(doing_code)
+    {
+    this->SetError("given no value for CODE argument.");
+    return false;
+    }
   return true;
 }
 
diff --git a/Source/cmInstallCommand.h b/Source/cmInstallCommand.h
index ea5e201..4907b91 100644
--- a/Source/cmInstallCommand.h
+++ b/Source/cmInstallCommand.h
@@ -156,12 +156,16 @@ public:
       "such as shell scripts.  Use the TARGETS form to install targets "
       "built within the project."
       "\n"
-      "The SCRIPT signature:\n"
-      "  INSTALL(SCRIPT <file1> [SCRIPT <file2> [...]])\n"
+      "The SCRIPT and CODE signature:\n"
+      "  INSTALL([[SCRIPT <file>] [CODE <code>]] [...])\n"
       "The SCRIPT form will invoke the given CMake script files during "
       "installation.  If the script file name is a relative path "
-      "it will be interpreted with respect to the current source directory."
-      "\n"
+      "it will be interpreted with respect to the current source directory.  "
+      "The CODE form will invoke the given CMake code during installation.  "
+      "Code is specified as a single argument inside a double-quoted string.  "
+      "For example, the code\n"
+      "  INSTALL(CODE \"MESSAGE(\\\"Sample install message.\\\")\")\n"
+      "will print a message during installation.\n"
       "NOTE: This command supercedes the INSTALL_TARGETS command and the "
       "target properties PRE_INSTALL_SCRIPT and POST_INSTALL_SCRIPT.  "
       "It also replaces the FILES forms of the INSTALL_FILES and "
diff --git a/Source/cmInstallScriptGenerator.cxx b/Source/cmInstallScriptGenerator.cxx
index 1322f72..8bcfbc3 100644
--- a/Source/cmInstallScriptGenerator.cxx
+++ b/Source/cmInstallScriptGenerator.cxx
@@ -18,7 +18,8 @@
 
 //----------------------------------------------------------------------------
 cmInstallScriptGenerator
-::cmInstallScriptGenerator(const char* script): Script(script)
+::cmInstallScriptGenerator(const char* script, bool code):
+  Script(script), Code(code)
 {
 }
 
@@ -31,5 +32,12 @@ cmInstallScriptGenerator
 //----------------------------------------------------------------------------
 void cmInstallScriptGenerator::GenerateScript(std::ostream& os)
 {
-  os << "INCLUDE(\"" << this->Script << "\")\n";
+  if(this->Code)
+    {
+    os << this->Script << "\n";
+    }
+  else
+    {
+    os << "INCLUDE(\"" << this->Script << "\")\n";
+    }
 }
diff --git a/Source/cmInstallScriptGenerator.h b/Source/cmInstallScriptGenerator.h
index 6b3cdfc..2e9461a 100644
--- a/Source/cmInstallScriptGenerator.h
+++ b/Source/cmInstallScriptGenerator.h
@@ -25,12 +25,13 @@
 class cmInstallScriptGenerator: public cmInstallGenerator
 {
 public:
-  cmInstallScriptGenerator(const char* script);
+  cmInstallScriptGenerator(const char* script, bool code = false);
   virtual ~cmInstallScriptGenerator();
 
 protected:
   virtual void GenerateScript(std::ostream& os);
   std::string Script;
+  bool Code;
 };
 
 #endif