Fix the remaining custom install dirs.

backends.py

@@ -587,10 +587,11 @@ class NinjaBackend(Backend):
         for m in man:
             for f in m.get_sources():
                 num = f.split('.')[-1]
-                subdir = 'man' + num
+                subdir = m.get_custom_install_dir()
+                if subdir is None:
+                    subdir = os.path.join(manroot, 'man' + num)
                 srcabs = os.path.join(self.environment.get_source_dir(), f)
-                dstabs = os.path.join(manroot, 
-                                      os.path.join(subdir, f + '.gz'))
+                dstabs = os.path.join(subdir, f + '.gz')
                 i = [srcabs, dstabs]
                 d.man.append(i)
 
@@ -598,7 +599,9 @@ class NinjaBackend(Backend):
         dataroot = self.environment.get_datadir()
         data = self.build.get_data()
         for de in data:
-            subdir = os.path.join(dataroot, de.get_subdir())
+            subdir = de.get_custom_install_dir()
+            if subdir is None:
+                subdir = os.path.join(dataroot, de.get_subdir())
             for f in de.get_sources():
                 srcabs = os.path.join(self.environment.get_source_dir(), f)
                 dstabs = os.path.join(subdir, f)

interpreter.py

@@ -293,6 +293,9 @@ class Data(InterpreterObject):
         if not isinstance(kwsource, list):
             kwsource = [kwsource]
         self.sources += kwsource
+        self.custom_install_dir = kwargs.get('install_dir', None)
+        if self.custom_install_dir is not None and not isinstance(self.custom_install_dir, str):
+            raise InterpreterException('Custom_install_dir must be a string.')
 
     def get_subdir(self):
         return self.subdir
@@ -300,21 +303,30 @@ class Data(InterpreterObject):
     def get_sources(self):
         return self.sources
 
+    def get_custom_install_dir(self):
+        return self.custom_install_dir
+
 class Man(InterpreterObject):
 
     def __init__(self, sources, kwargs):
         InterpreterObject.__init__(self)
         self.sources = sources
         self.validate_sources()
-        if len(kwargs) > 0:
-            raise InvalidArguments('Man function takes no keyword arguments.')
-        
+        if len(kwargs) > 1:
+            raise InvalidArguments('Man function takes at most one keyword arguments.')
+        self.custom_install_dir = kwargs.get('install_dir', None)
+        if self.custom_install_dir is not None and not isinstance(self.custom_install_dir, str):
+            raise InterpreterException('Custom_install_dir must be a string.')
+
     def validate_sources(self):
         for s in self.sources:
             num = int(s.split('.')[-1])
             if num < 1 or num > 8:
                 raise InvalidArguments('Man file must have a file extension of a number between 1 and 8')
 
+    def get_custom_install_dir(self):
+        return self.custom_install_dir
+
     def get_sources(self):
         return self.sources
 

test cases/common/52 custom install dirs/datafile.cat

@@ -0,0 +1 @@
+Installed cat is installed.

test cases/common/52 custom install dirs/installed_files.txt

@@ -1,2 +1,4 @@
 dib/dab/dub/prog
 some/dir/sample.h
+woman/prog.1.gz
+meow/datafile.cat

test cases/common/52 custom install dirs/meson.build

@@ -2,3 +2,5 @@ project('custom install dirs', 'c')
 
 executable('prog', 'prog.c', install : true, install_dir : 'dib/dab/dub')
 headers('sample.h', install_dir : 'some/dir')
+man('prog.1', install_dir : 'woman')
+data('foobar', 'datafile.cat', install_dir : 'meow')

test cases/common/52 custom install dirs/prog.1

@@ -0,0 +1 @@
+Man up, you.