download.mk: add more comments

[openwrt/staging/wigyori.git] / include / download.mk

diff --git a/include/download.mk b/include/download.mk
index 91a22c23161f655faf57fbda2ff3c2aa91d959ac..5cfc5420428eaf0f209eb62084bc2505d7cb7af7 100644 (file)
--- a/include/download.mk
+++ b/include/download.mk
@@ -21,7 +21,23 @@ DOWNLOAD_RDEP=$(STAMP_PREPARED) $(HOST_STAMP_PREPARED)
 
 # Try to guess the download method from the URL
 define dl_method
-$(shell $(SCRIPT_DIR)/download.py dl_method --url $(foreach url,$(1),"$(url)") --proto="$(2)")
+$(strip \
+  $(if $(2),$(2), \
+    $(if $(filter @APACHE/% @GITHUB/% @GNOME/% @GNU/% @KERNEL/% @SF/% @SAVANNAH/% ftp://% http://% https://% file://%,$(1)),default, \
+      $(if $(filter git://%,$(1)),git, \
+        $(if $(filter svn://%,$(1)),svn, \
+          $(if $(filter cvs://%,$(1)),cvs, \
+            $(if $(filter hg://%,$(1)),hg, \
+              $(if $(filter sftp://%,$(1)),bzr, \
+                unknown \
+              ) \
+            ) \
+          ) \
+        ) \
+      ) \
+    ) \
+  ) \
+)
 endef
 
 # code for creating tarballs from cvs/svn/git/bzr/hg/darcs checkouts - useful for mirror support
@@ -43,7 +59,7 @@ check_escape=$(subst ','\'',$(1))
 # $(1): suffix of the F_, C_ variables, e.g. hash_deprecated, hash_mismatch, etc.
 # $(2): filename
 # $(3): expected hash value
-# $(4): hash var name: MD5SUM, HASH
+# $(4): var name of the the form: {PKG_,Download/<name>:}{,MIRROR_}{HASH,MIRROR_HASH}
 check_warn_nofix = $(info $(shell printf "$(_R)WARNING: %s$(_N)" '$(call check_escape,$(call C_$(1),$(2),$(3),$(4)))'))
 ifndef FIXUP
   check_warn = $(check_warn_nofix)
@@ -61,12 +77,15 @@ endif
 
 # $(1): filename
 # $(2): expected hash value
-# $(3): hash var name: MD5SUM, HASH
+# $(3): var name of the the form: {PKG_,Download/<name>:}{,MIRROR_}{HASH,MIRROR_HASH}
 C_download_missing = $(1) is missing, please run make download before re-running this check
 C_hash_mismatch = $(3) does not match $(1) hash $(call gen_sha256sum,$(1))
 C_hash_deprecated = $(3) uses deprecated hash, set to $(call gen_sha256sum,$(1))
 C_hash_missing = $(3) is missing, set to $(call gen_sha256sum,$(1))
 
+# $(1): filename
+# $(2): expected hash value
+# $(3): var name of the the form: {PKG_,Download/<name>:}{,MIRROR_}{HASH,MIRROR_HASH}
 check_hash = \
   $(if $(wildcard $(DL_DIR)/$(1)), \
     $(if $(filter-out x,$(2)), \