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)" $(URL)
  39 endef
  40
  41 define wrap_mirror
  42         @$(SCRIPT_DIR)/download.pl "$(DL_DIR)" "$(FILE)" "x" || ( $(1) )
  43 endef
  44
  45 define DownloadMethod/svn
  46         $(call wrap_mirror, \
  47                 echo "Checking out files from the svn repository..."; \
  48                 mkdir -p $(TMP_DIR)/dl && \
  49                 cd $(TMP_DIR)/dl && \
  50                 rm -rf $(SUBDIR) && \
  51                 [ \! -d $(SUBDIR) ] && \
  52                 svn co -r$(VERSION) $(URL) $(SUBDIR) && \
  53                 find $(SUBDIR) -name .svn | xargs rm -rf && \
  54                 echo "Packing checkout..." && \
  55                 $(call dl_pack,$(TMP_DIR)/dl/$(FILE),$(SUBDIR)) && \
  56                 mv $(TMP_DIR)/dl/$(FILE) $(DL_DIR)/; \
  57         )
  58 endef
  59
  60 define DownloadMethod/git
  61         $(call wrap_mirror, \
  62                 echo "Checking out files from the git repository..."; \
  63                 mkdir -p $(TMP_DIR)/dl && \
  64                 cd $(TMP_DIR)/dl && \
  65                 rm -rf $(SUBDIR) && \
  66                 [ \! -d $(SUBDIR) ] && \
  67                 git-clone $(URL) $(SUBDIR) && \
  68                 (cd $(SUBDIR) && git-checkout $(VERSION)) && \
  69                 echo "Packing checkout..." && \
  70                 rm -rf $(SUBDIR)/.git && \
  71                 $(call dl_pack,$(TMP_DIR)/dl/$(FILE),$(SUBDIR)) && \
  72                 mv $(TMP_DIR)/dl/$(FILE) $(DL_DIR)/; \
  73         )
  74 endef
  75
  76 Validate/svn=VERSION SUBDIR
  77 Validate/git=VERSION SUBDIR
  78
  79 define Download/Defaults
  80   URL:=
  81   FILE:=
  82   PROTO:=
  83   MD5SUM:=
  84   SUBDIR:=
  85   VERSION:=
  86 endef
  87
  88 define Download
  89   $(eval $(Download/Defaults))
  90   $(eval $(Download/$(1)))
  91   $(foreach FIELD,URL FILE $(Validate/$(call dl_method,$(URL),$(PROTO))),
  92     ifeq ($($(FIELD)),)
  93       $$(error Download/$(1) is missing the $(FIELD) field.)
  94     endif
  95   )
  96
  97   $(if $(DOWNLOAD_RDEP),$(DOWNLOAD_RDEP): $(DL_DIR)/$(FILE))
  98   download: $(DL_DIR)/$(FILE)
  99
 100   $(DL_DIR)/$(FILE):
 101         mkdir -p $(DL_DIR)
 102         $(if $(DownloadMethod/$(call dl_method,$(URL),$(PROTO))),$(DownloadMethod/$(call dl_method,$(URL),$(PROTO))),$(DownloadMethod/unknown))
 103
 104 endef