Update to new conda

build.sh

@@ -1,3 +1,4 @@
 CONDA_PYTHON=$(conda info --root)/bin/python
 ${CONDA_PYTHON} ${RECIPE_DIR}/download-extra-sources.py
 
+ls -l $(realpath $PWD/..)

download-extra-sources.py

@@ -15,8 +15,8 @@
 source:
   fn: llvm-3.8.0.src.tar.xz
   url: http://llvm.org/releases/3.8.0/llvm-3.8.0.src.tar.xz
-  md5: 07a7a74f3c6bd65de4702bf941b511a0  
-  
+  md5: 07a7a74f3c6bd65de4702bf941b511a0
+
 extra:
   sources:
     cfe:
@@ -36,26 +36,117 @@
 
 # ... build commands go here ...
 """
+from __future__ import print_function
+
 import os
 from conda_build import source
+from conda_build import config
 from conda_build.metadata import MetaData
 
+class SpecialConfig(config.Config):
+    """Allow overriding the work_dir property."""
+
+    @property
+    def work_dir(self):
+        return self._work_dir
+
+
+def split_path(path):
+    bits = []
+    while path != '/':
+        path, tail = os.path.split(path)
+        bits.append(tail)
+    bits.append(path)
+    bits.reverse()
+    return bits
+
+
+def has_only_one_dir(path):
+    """
+    Conda has this weird thing where if the workdir is only a single directory,
+    it'll change into it and use that as the workdir.
+    """
+    lst = [fn for fn in os.listdir(path) if not fn.startswith('.')]
+    if len(lst) != 1:
+        return ''
+    dir_path = os.path.join(path, lst[0])
+    if not os.path.isdir(dir_path):
+        return ''
+    return dir_path
+
 
 def main():
+    print()
+    print("Getting extra source packages.")
+    # Force verbose mode
+    config.verbose = True
+    cwd = os.getcwd()
+
+    # Get the metadata for the recipe
     recipe_dir = os.environ["RECIPE_DIR"]
-    src_dir = os.environ["SRC_DIR"]
-    main_work_dir = source.WORK_DIR
-
     metadata = MetaData(recipe_dir)
+    print(metadata.name())
+    print("-"*75)
+    print('       cwd:', cwd)
+
+    # Figure out the work_dir
+    # Look upwards for a directory with the name 'work'.
+    # FIXME: Why does metadata.config.work_dir not return the correct
+    # directory?
+    bits = split_path(cwd)
+    dirname = []
+    while bits and bits[-1] != 'work':
+        dirname.insert(0, bits.pop(-1))
+    dirname = os.path.join(*dirname, '')
+
+    work_dir = bits.pop(-1)
+    assert work_dir == 'work'
+
+    build_id = bits.pop(-1)
+    croot = os.path.join(*bits)
+
+    work_dir = os.path.join(croot, build_id, 'work')
+    if has_only_one_dir(work_dir):
+        real_work_dir = work_dir
+    else:
+        real_work_dir = os.path.join(croot, build_id)
+
+    print('  work dir:', real_work_dir)
+    print('conda root:', croot)
+    print('  build id:', build_id)
+    print('   src dir:', dirname)
+
     extra_sources_sections = metadata.get_section('extra')['sources']
-
     for name, source_section in extra_sources_sections.items():
-        # Override the location to clone into
-        source.WORK_DIR = main_work_dir + '/' + name
-        os.makedirs(source.WORK_DIR)
-
-        # Download source
-        source.provide(recipe_dir, source_section)
-
+        print()
+        print("Extra source: %s" % name)
+        print("-"*75)
+        # Create a fake metadata which contains the extra source_section.
+        newmetadata = metadata.copy()
+        newmetadata.meta['source'] = source_section
+
+        if has_only_one_dir(work_dir):
+            extra_work_dir = real_work_dir
+        else:
+            extra_work_dir = os.path.join(real_work_dir, name)
+
+        newmetadata.config.__class__ = SpecialConfig
+        newmetadata.config._work_dir = extra_work_dir
+        print("Work Directory:", newmetadata.config.work_dir)
+
+        # Download+extract source.
+        source.provide(newmetadata, newmetadata.config)
+
+        print("-"*75)
+
+    print()
+    print("Extra source packages download and extracted!")
+    print()
+    print("Work Directory contents (%s)" % real_work_dir)
+    print("-"*75)
+    print(os.listdir(real_work_dir))
+    print()
+
+
 if __name__ == "__main__":
     main()