include/download.mk

   1 #
   2 # Copyright (C) 2007 OpenWrt.org
   3 #
   4 # This is free software, licensed under the GNU General Public License v2.
   5 # See /LICENSE for more information.
   6 #
   7
   8 DOWNLOAD_RDEP:=$(STAMP_PREPARED)
   9
  10 # Try to guess the download method from the URL
  11 define dl_method
  12 $(strip \
  13   $(if $(2),$(2), \
  14     $(if $(filter @GNU/% @KERNEL/% @SF/% ftp://% http://%,$(1)),default, \
  15       $(if $(filter git://%,$(1)),git, \
  16         $(if $(filter svn://%,$(1)),svn, \
  17           unknown \
  18         ) \
  19       ) \
  20     ) \
  21   ) \
  22 )
  23 endef
  24
  25 # code for creating tarballs from svn/git checkouts - useful for mirror support
  26 dl_pack/bz2=$(TAR) cfj $(1) $(2)
  27 dl_pack/gz=$(TAR) cfz $(1) $(2)
  28 dl_pack/unknown=echo "ERROR: Unknown pack format for file $(1)"; false
  29 define dl_pack
  30         $(if $(dl_pack/$(call ext,$(1))),$(dl_pack/$(call ext,$(1))),$(dl_pack/unknown))
  31 endef
  32
  33 define DownloadMethod/unknown
  34         @echo "ERROR: No download method available"; false
  35 endef
  36
  37 define DownloadMethod/default
  38         $(SCRIPT_DIR)/download.pl "$(DL_DIR)" "$(FILE)" "$(MD5SUM)" $(URL)
  39 endef
  40
  41 define wrap_mirror
  42         @$(if $(CONFIG_LOCALMIRROR),$(SCRIPT_DIR)/download.pl "$(DL_DIR)" "$(FILE)" "x" || ) \
  43         ( $(1) ) \
  44         $(if $(CONFIG_LOCALMIRROR),, || $(SCRIPT_DIR)/download.pl "$(DL_DIR)" "$(FILE)" "x")
  45 endef
  46
  47 define DownloadMethod/svn
  48         $(call wrap_mirror, \
  49                 echo "Checking out files from svn repository..."; \
  50                 mkdir -p $(TMP_DIR)/dl && \
  51                 cd $(TMP_DIR)/dl && \
  52                 rm -rf $(SUBDIR) && \
  53                 [ \! -d $(SUBDIR) ] && \
  54                 svn co -r$(VERSION) $(URL) $(SUBDIR) && \
  55                 find $(SUBDIR) -name .svn | xargs rm -rf && \
  56                 echo "Packing checkout..." && \
  57                 $(call dl_pack,$(TMP_DIR)/dl/$(FILE),$(SUBDIR)) && \
  58                 mv $(TMP_DIR)/dl/$(FILE) $(DL_DIR)/; \
  59         )
  60 endef
  61
  62 Validate/svn=VERSION SUBDIR
  63 #Validate/git=VERSION SUBDIR
  64
  65 define Download/Defaults
  66   URL:=
  67   FILE:=
  68   PROTO:=
  69   MD5SUM:=
  70   SUBDIR:=
  71   VERSION:=
  72 endef
  73
  74 define Download
  75   $(eval $(Download/Defaults))
  76   $(eval $(Download/$(1)))
  77   $(foreach FIELD,URL FILE $(Validate/$(call dl_method,$(URL),$(PROTO))),
  78     ifeq ($($(FIELD)),)
  79       $$(error Download/$(1) is missing the $(FIELD) field.)
  80     endif
  81   )
  82
  83   $(if $(DOWNLOAD_RDEP),$(DOWNLOAD_RDEP): $(DL_DIR)/$(FILE))
  84   download: $(DL_DIR)/$(FILE)
  85
  86   $(DL_DIR)/$(FILE):
  87         mkdir -p $(DL_DIR)
  88         $(if $(DownloadMethod/$(call dl_method,$(URL),$(PROTO))),$(DownloadMethod/$(call dl_method,$(URL),$(PROTO))),$(DownloadMethod/unknown))
  89
  90 endef