Handle case of install_subdirring a subdir.

mesonbuild/backend/ninjabackend.py

@@ -545,8 +545,15 @@ int dummy;
 
     def generate_subdir_install(self, d):
         for sd in self.build.get_install_subdirs():
-            src_dir = os.path.join(self.environment.get_source_dir(), sd.source_subdir)
-            inst_dir =  sd.installable_subdir
+            inst_subdir = sd.installable_subdir.rstrip('/')
+            idir_parts = inst_subdir.split('/')
+            if len(idir_parts) > 1:
+                subdir = os.path.join(sd.source_subdir, '/'.join(idir_parts[:-1]))
+                inst_dir = idir_parts[-1]
+            else:
+                subdir = sd.source_subdir
+                inst_dir = sd.installable_subdir
+            src_dir = os.path.join(self.environment.get_source_dir(), subdir)
             dst_dir = os.path.join(self.environment.get_prefix(), sd.install_dir)
             d.install_subdirs.append([src_dir, inst_dir, dst_dir])
 

mesonbuild/scripts/meson_install.py

@@ -55,7 +55,6 @@ def install_subdirs(data):
         if not os.path.exists(dst_dir):
             os.makedirs(dst_dir)
         for root, dirs, files in os.walk(src_prefix):
-            print(root)
             for d in dirs:
                 abs_src = os.path.join(src_dir, root, d)
                 filepart = abs_src[len(src_dir)+1:]
@@ -75,6 +74,10 @@ def install_subdirs(data):
                     print('Tried to copy file %s but a directory of that name already exists.' % abs_dst)
                 if os.path.exists(abs_dst):
                     os.unlink(abs_dst)
+                parent_dir = os.path.split(abs_dst)[0]
+                if not os.path.isdir(parent_dir):
+                    os.mkdir(parent_dir)
+                    shutil.copystat(os.path.split(abs_src)[0], parent_dir)
                 shutil.copy2(abs_src, abs_dst, follow_symlinks=False)
 
 def install_data(d):

test cases/common/66 install subdir/installed_files.txt

@@ -1,3 +1,4 @@
 usr/share/sub1/data1.dat
 usr/share/sub1/second.dat
+usr/share/sub1/third.dat
 usr/share/sub1/sub2/data2.dat

test cases/common/66 install subdir/meson.build

@@ -2,3 +2,4 @@ project('install a whole subdir', 'c')
 
 subdir('subdir')
 install_subdir('sub1', install_dir : 'share')
+install_subdir('sub/sub1', install_dir : 'share')

test cases/common/66 install subdir/sub/sub1/third.dat

@@ -0,0 +1 @@
+This is a third data file for sub1 dir.