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ef92d32f19
Following commit95a572282e(pkg-infra: move the git download helper to a script, 2014-07-02), move the comment describing the shallow clone trickery as well. Merge this comment with the existing helper comment that was added in7e40a1103a(support/download: convert git to use the wrapper, 2014-08-03). Rename $($(PKG)_DL_VERSION) to ${cset} to match the helper code context. Cc: "Yann E. MORIN" <yann.morin.1998@free.fr> Signed-off-by: Baruch Siach <baruch@tkos.co.il> Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
246 lines
7.2 KiB
Makefile
246 lines
7.2 KiB
Makefile
################################################################################
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#
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# This file contains the download helpers for the various package
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# infrastructures. It is used to handle downloads from HTTP servers,
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# FTP servers, Git repositories, Subversion repositories, Mercurial
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# repositories, Bazaar repositories, and SCP servers.
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#
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################################################################################
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# Download method commands
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export WGET := $(call qstrip,$(BR2_WGET))
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export SVN := $(call qstrip,$(BR2_SVN))
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export CVS := $(call qstrip,$(BR2_CVS))
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export BZR := $(call qstrip,$(BR2_BZR))
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export GIT := $(call qstrip,$(BR2_GIT))
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export HG := $(call qstrip,$(BR2_HG))
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export SCP := $(call qstrip,$(BR2_SCP))
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SSH := $(call qstrip,$(BR2_SSH))
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export LOCALFILES := $(call qstrip,$(BR2_LOCALFILES))
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DL_WRAPPER = support/download/dl-wrapper
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# DL_DIR may have been set already from the environment
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ifeq ($(origin DL_DIR),undefined)
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DL_DIR ?= $(call qstrip,$(BR2_DL_DIR))
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ifeq ($(DL_DIR),)
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DL_DIR := $(TOPDIR)/dl
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endif
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else
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# Restore the BR2_DL_DIR that was overridden by the .config file
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BR2_DL_DIR = $(DL_DIR)
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endif
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# ensure it exists and a absolute path
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DL_DIR := $(shell mkdir -p $(DL_DIR) && cd $(DL_DIR) >/dev/null && pwd)
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#
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# URI scheme helper functions
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# Example URIs:
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# * http://www.example.com/dir/file
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# * scp://www.example.com:dir/file (with domainseparator :)
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#
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# geturischeme: http
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geturischeme = $(firstword $(subst ://, ,$(call qstrip,$(1))))
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# stripurischeme: www.example.com/dir/file
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stripurischeme = $(lastword $(subst ://, ,$(call qstrip,$(1))))
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# domain: www.example.com
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domain = $(firstword $(subst $(call domainseparator,$(2)), ,$(call stripurischeme,$(1))))
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# notdomain: dir/file
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notdomain = $(patsubst $(call domain,$(1),$(2))$(call domainseparator,$(2))%,%,$(call stripurischeme,$(1)))
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#
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# default domainseparator is /, specify alternative value as first argument
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domainseparator = $(if $(1),$(1),/)
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# github(user,package,version): returns site of GitHub repository
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github = https://github.com/$(1)/$(2)/archive/$(3)
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# Expressly do not check hashes for those files
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# Exported variables default to immediately expanded in some versions of
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# make, but we need it to be recursively-epxanded, so explicitly assign it.
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export BR_NO_CHECK_HASH_FOR =
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################################################################################
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# The DOWNLOAD_* helpers are in charge of getting a working copy
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# of the source repository for their corresponding SCM,
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# checking out the requested version / commit / tag, and create an
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# archive out of it. DOWNLOAD_SCP uses scp to obtain a remote file with
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# ssh authentication. DOWNLOAD_WGET is the normal wget-based download
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# mechanism.
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#
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# The SOURCE_CHECK_* helpers are in charge of simply checking that the source
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# is available for download. This can be used to make sure one will be able
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# to get all the sources needed for one's build configuration.
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################################################################################
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define DOWNLOAD_GIT
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$(EXTRA_ENV) $(DL_WRAPPER) -b git \
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-o $(DL_DIR)/$($(PKG)_SOURCE) \
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$(QUIET) \
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-- \
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$($(PKG)_SITE) \
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$($(PKG)_DL_VERSION) \
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$($(PKG)_BASE_NAME)
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endef
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# TODO: improve to check that the given PKG_DL_VERSION exists on the remote
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# repository
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define SOURCE_CHECK_GIT
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$(GIT) ls-remote --heads $($(PKG)_SITE) > /dev/null
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endef
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define DOWNLOAD_BZR
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$(EXTRA_ENV) $(DL_WRAPPER) -b bzr \
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-o $(DL_DIR)/$($(PKG)_SOURCE) \
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$(QUIET) \
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-- \
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$($(PKG)_SITE) \
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$($(PKG)_DL_VERSION) \
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$($(PKG)_BASE_NAME)
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endef
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define SOURCE_CHECK_BZR
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$(BZR) ls --quiet $($(PKG)_SITE) > /dev/null
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endef
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define DOWNLOAD_CVS
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$(EXTRA_ENV) $(DL_WRAPPER) -b cvs \
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-o $(DL_DIR)/$($(PKG)_SOURCE) \
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$(QUIET) \
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-- \
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$(call stripurischeme,$(call qstrip,$($(PKG)_SITE))) \
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$($(PKG)_DL_VERSION) \
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$($(PKG)_RAWNAME) \
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$($(PKG)_BASE_NAME)
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endef
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# Not all CVS servers support ls/rls, use login to see if we can connect
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define SOURCE_CHECK_CVS
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$(CVS) -d:pserver:anonymous:@$(call stripurischeme,$(call qstrip,$($(PKG)_SITE))) login
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endef
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define DOWNLOAD_SVN
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$(EXTRA_ENV) $(DL_WRAPPER) -b svn \
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-o $(DL_DIR)/$($(PKG)_SOURCE) \
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$(QUIET) \
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-- \
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$($(PKG)_SITE) \
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$($(PKG)_DL_VERSION) \
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$($(PKG)_BASE_NAME)
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endef
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define SOURCE_CHECK_SVN
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$(SVN) ls $($(PKG)_SITE)@$($(PKG)_DL_VERSION) > /dev/null
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endef
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# SCP URIs should be of the form scp://[user@]host:filepath
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# Note that filepath is relative to the user's home directory, so you may want
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# to prepend the path with a slash: scp://[user@]host:/absolutepath
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define DOWNLOAD_SCP
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$(EXTRA_ENV) $(DL_WRAPPER) -b scp \
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-o $(DL_DIR)/$(2) \
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-H $(PKGDIR)/$($(PKG)_RAWNAME).hash \
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$(QUIET) \
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-- \
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'$(call stripurischeme,$(call qstrip,$(1)))'
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endef
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define SOURCE_CHECK_SCP
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$(SSH) $(call domain,$(1),:) ls '$(call notdomain,$(1),:)' > /dev/null
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endef
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define DOWNLOAD_HG
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$(EXTRA_ENV) $(DL_WRAPPER) -b hg \
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-o $(DL_DIR)/$($(PKG)_SOURCE) \
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$(QUIET) \
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-- \
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$($(PKG)_SITE) \
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$($(PKG)_DL_VERSION) \
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$($(PKG)_BASE_NAME)
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endef
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# TODO: improve to check that the given PKG_DL_VERSION exists on the remote
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# repository
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define SOURCE_CHECK_HG
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$(HG) incoming --force -l1 $($(PKG)_SITE) > /dev/null
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endef
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define DOWNLOAD_WGET
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$(EXTRA_ENV) $(DL_WRAPPER) -b wget \
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-o $(DL_DIR)/$(2) \
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-H $(PKGDIR)/$($(PKG)_RAWNAME).hash \
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$(QUIET) \
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-- \
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'$(call qstrip,$(1))'
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endef
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define SOURCE_CHECK_WGET
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$(WGET) --spider '$(call qstrip,$(1))'
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endef
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define DOWNLOAD_LOCALFILES
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$(EXTRA_ENV) $(DL_WRAPPER) -b cp \
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-o $(DL_DIR)/$(2) \
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-H $(PKGDIR)/$($(PKG)_RAWNAME).hash \
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$(QUIET) \
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-- \
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$(call stripurischeme,$(call qstrip,$(1)))
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endef
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define SOURCE_CHECK_LOCALFILES
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test -e $(call stripurischeme,$(call qstrip,$(1)))
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endef
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################################################################################
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# DOWNLOAD -- Download helper. Will try to download source from:
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# 1) BR2_PRIMARY_SITE if enabled
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# 2) Download site, unless BR2_PRIMARY_SITE_ONLY is set
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# 3) BR2_BACKUP_SITE if enabled, unless BR2_PRIMARY_SITE_ONLY is set
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#
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# Argument 1 is the source location
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#
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# E.G. use like this:
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# $(call DOWNLOAD,$(FOO_SITE))
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################################################################################
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define DOWNLOAD
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$(call DOWNLOAD_INNER,$(1),$(notdir $(1)),DOWNLOAD)
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endef
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define SOURCE_CHECK
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$(call DOWNLOAD_INNER,$(1),$(notdir $(1)),SOURCE_CHECK)
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endef
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define DOWNLOAD_INNER
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$(Q)if test -n "$(call qstrip,$(BR2_PRIMARY_SITE))" ; then \
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case "$(call geturischeme,$(BR2_PRIMARY_SITE))" in \
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scp) $(call $(3)_SCP,$(BR2_PRIMARY_SITE)/$(2),$(2)) && exit ;; \
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*) $(call $(3)_WGET,$(BR2_PRIMARY_SITE)/$(2),$(2)) && exit ;; \
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esac ; \
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fi ; \
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if test "$(BR2_PRIMARY_SITE_ONLY)" = "y" ; then \
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exit 1 ; \
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fi ; \
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if test -n "$(1)" ; then \
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if test -z "$($(PKG)_SITE_METHOD)" ; then \
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scheme="$(call geturischeme,$(1))" ; \
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else \
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scheme="$($(PKG)_SITE_METHOD)" ; \
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fi ; \
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case "$$scheme" in \
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git) $($(3)_GIT) && exit ;; \
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svn) $($(3)_SVN) && exit ;; \
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cvs) $($(3)_CVS) && exit ;; \
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bzr) $($(3)_BZR) && exit ;; \
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file) $($(3)_LOCALFILES) && exit ;; \
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scp) $($(3)_SCP) && exit ;; \
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hg) $($(3)_HG) && exit ;; \
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*) $(call $(3)_WGET,$(1),$(2)) && exit ;; \
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esac ; \
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fi ; \
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if test -n "$(call qstrip,$(BR2_BACKUP_SITE))" ; then \
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$(call $(3)_WGET,$(BR2_BACKUP_SITE)/$(2),$(2)) && exit ; \
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fi ; \
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exit 1
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endef
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