Implement copy_files function

Bug: 193540681
Test: treehugger
Change-Id: Iffc64551e733747a9a29c14b1f674b3a533f44ba

core/product_config.rbc

@@ -369,6 +369,10 @@ def _inherit(handle, pcm_name, pcm):
         if type(val) == "list":
             val.append(_indirect(pcm_name))
 
+def _copy_files(l, outdir):
+    """Generate <item>:<outdir>/item for each item."""
+    return ["%s:%s/%s" % (item, outdir, item) for item in __words(l)]
+
 def _copy_if_exists(path_pair):
     """If from file exists, returns [from:to] pair."""
     value = path_pair.split(":", 2)
@@ -548,6 +552,7 @@ rblf = struct(
     add_soong_config_var_value = _add_soong_config_var_value,
     addprefix = _addprefix,
     addsuffix = _addsuffix,
+    copy_files = _copy_files,
     copy_if_exists = _copy_if_exists,
     cfg = __h_cfg,
     enforce_product_packages_exist = _enforce_product_packages_exist,

tests/device.rbc

@@ -21,7 +21,8 @@
 ### PRODUCT_COPY_FILES += device_from:device_to
 ### include $(LOCAL_PATH)/include1.mk
 ### PRODUCT_PACKAGES += dev_after
-### PRODUCT_COPY_FILES += $(call find-copy-subdir-files,audio_platform_info*.xml,device/google/redfin/audio,$(TARGET_COPY_OUT_VENDOR)/etc) xyz
+### PRODUCT_COPY_FILES += $(call find-copy-subdir-files,audio_platform_info*.xml,device/google/redfin/audio,$(TARGET_COPY_OUT_VENDOR)/etc) xyz:/etc/xyz
+### PRODUCT_COPY_FILES += $(call copy-files,x.xml y.xml,/etc)
 ### $(call add_soong_namespace,NS1)
 ### $(call add_soong_config_var_value,NS1,v1,abc)
 ### $(call add_soong_config_var_value,NS1,v2,def)
@@ -45,7 +46,8 @@ def init(g, handle):
   _include1_init(g, handle)
   cfg["PRODUCT_PACKAGES"] += ["dev_after"]
   cfg["PRODUCT_COPY_FILES"] += (rblf.find_and_copy("audio_platform_info*.xml", "device/google/redfin/audio", "||VENDOR-PATH-PH||/etc") +
-      ["xyz"])
+      ["xyz:/etc/xyz"])
+  cfg["PRODUCT_COPY_FILES"] += rblf.copy_files("x.xml y.xml", "/etc")
   rblf.add_soong_config_namespace(g, "NS1")
   rblf.add_soong_config_var_value(g, "NS1", "v1", "abc")
   rblf.add_soong_config_var_value(g, "NS1", "v2", "def")

tests/run.rbc

@@ -51,7 +51,9 @@ assert_eq(
           "part_from:part_to",
           "device_from:device_to",
           "device/google/redfin/audio/audio_platform_info_noextcodec_snd.xml:||VENDOR-PATH-PH||/etc/audio_platform_info_noextcodec_snd.xml",
-          "xyz"
+          "xyz:/etc/xyz",
+          "x.xml:/etc/x.xml",
+          "y.xml:/etc/y.xml",
       ],
       "PRODUCT_HOST_PACKAGES": ["host"],
       "PRODUCT_PACKAGES": [