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d1f5fc29ef
Some git versions (e.g. 1.7.0) do not treat trying to shallow clone a non existing branch or tag as a fatal error but report a warning and clone HEAD instead. Thus the fallback mechanism does not work in this case. This patch introduces a check for the presence of the requested version as a branch or tag before trying the shallow clone. It also removes the need to do two clones when a sha1 is given as a packege version. [Peter: use cut -f2-] Signed-off-by: Stephan Hoffmann <sho@relinux.de> Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
259 lines
8.5 KiB
Makefile
259 lines
8.5 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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WGET:=$(call qstrip,$(BR2_WGET)) $(QUIET)
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SVN:=$(call qstrip,$(BR2_SVN))
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BZR:=$(call qstrip,$(BR2_BZR))
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GIT:=$(call qstrip,$(BR2_GIT))
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HG:=$(call qstrip,$(BR2_HG)) $(QUIET)
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SCP:=$(call qstrip,$(BR2_SCP)) $(QUIET)
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SSH:=$(call qstrip,$(BR2_SSH)) $(QUIET)
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LOCALFILES:=$(call qstrip,$(BR2_LOCALFILES))
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# Default spider mode is 'DOWNLOAD'. Other possible values are 'SOURCE_CHECK'
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# used by the _source-check target and 'SHOW_EXTERNAL_DEPS', used by the
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# external-deps target.
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DL_MODE=DOWNLOAD
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# Override BR2_DL_DIR if shell variable defined
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ifneq ($(BUILDROOT_DL_DIR),)
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DL_DIR:=$(BUILDROOT_DL_DIR)
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else
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DL_DIR:=$(call qstrip,$(BR2_DL_DIR))
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endif
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ifeq ($(DL_DIR),)
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DL_DIR:=$(TOPDIR)/dl
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endif
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# ensure it exists and a absolute path
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DL_DIR:=$(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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################################################################################
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# The DOWNLOAD_{GIT,SVN,BZR,HG,LOCALFILES} helpers are in charge of getting a
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# working copy 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_{GIT,SVN,BZR,HG,WGET,LOCALFILES,SCP} helpers are in charge of
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# simply checking that the source is available for download. This can be used
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# to make sure one will be able to get all the sources needed for
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# one's build configuration.
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#
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# The SHOW_EXTERNAL_DEPS_{GIT,SVN,BZR,HG,WGET,LOCALFILES,SCP} helpers simply
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# output to the console the names of the files that will be downloaded, or path
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# and revision of the source repositories, producing a list of all the
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# "external dependencies" of a given build configuration.
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################################################################################
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# Try a shallow clone - but that only works if the version is a ref (tag or
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# branch). Before trying to do a shallow clone we check if $($(PKG)_DL_VERSION)
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# is in the list provided by git ls-remote. If not we fall back on a full clone.
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#
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# Messages for the type of clone used are provided to ease debugging in case of
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# problems
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define DOWNLOAD_GIT
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test -e $(DL_DIR)/$($(PKG)_SOURCE) || \
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(pushd $(DL_DIR) > /dev/null && \
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((test `git ls-remote $($(PKG)_SITE) | cut -f 2- | grep $($(PKG)_DL_VERSION)` && \
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echo "Doing shallow clone" && \
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$(GIT) clone --depth 1 -b $($(PKG)_DL_VERSION) --bare $($(PKG)_SITE) $($(PKG)_BASE_NAME)) || \
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(echo "Doing full clone" && \
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$(GIT) clone --bare $($(PKG)_SITE) $($(PKG)_BASE_NAME))) && \
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pushd $($(PKG)_BASE_NAME) > /dev/null && \
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$(GIT) archive --format=tar --prefix=$($(PKG)_BASE_NAME)/ $($(PKG)_DL_VERSION) | \
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gzip -c > $(DL_DIR)/$($(PKG)_SOURCE) && \
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popd > /dev/null && \
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rm -rf $($(PKG)_DL_DIR) && \
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popd > /dev/null)
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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 SHOW_EXTERNAL_DEPS_GIT
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echo $($(PKG)_SOURCE)
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endef
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define DOWNLOAD_BZR
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test -e $(DL_DIR)/$($(PKG)_SOURCE) || \
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$(BZR) export $(DL_DIR)/$($(PKG)_SOURCE) $($(PKG)_SITE) -r $($(PKG)_DL_VERSION)
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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 SHOW_EXTERNAL_DEPS_BZR
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echo $($(PKG)_SOURCE)
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endef
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define DOWNLOAD_SVN
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test -e $(DL_DIR)/$($(PKG)_SOURCE) || \
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(pushd $(DL_DIR) > /dev/null && \
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$(SVN) export -r $($(PKG)_DL_VERSION) $($(PKG)_SITE) $($(PKG)_DL_DIR) && \
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$(TAR) czf $($(PKG)_SOURCE) $($(PKG)_BASE_NAME)/ && \
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rm -rf $($(PKG)_DL_DIR) && \
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popd > /dev/null)
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endef
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define SOURCE_CHECK_SVN
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$(SVN) ls $($(PKG)_SITE) > /dev/null
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endef
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define SHOW_EXTERNAL_DEPS_SVN
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echo $($(PKG)_SOURCE)
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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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test -e $(DL_DIR)/$(2) || \
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$(SCP) '$(call stripurischeme,$(call qstrip,$(1)))' $(DL_DIR)/$(2)
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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 SHOW_EXTERNAL_DEPS_SCP
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echo $(2)
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endef
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define DOWNLOAD_HG
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test -e $(DL_DIR)/$($(PKG)_SOURCE) || \
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(pushd $(DL_DIR) > /dev/null && \
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$(HG) clone --noupdate --rev $($(PKG)_DL_VERSION) $($(PKG)_SITE) $($(PKG)_BASE_NAME) && \
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$(HG) archive --repository $($(PKG)_BASE_NAME) --type tgz --prefix $($(PKG)_BASE_NAME)/ \
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--rev $($(PKG)_DL_VERSION) $(DL_DIR)/$($(PKG)_SOURCE) && \
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rm -rf $($(PKG)_DL_DIR) && \
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popd > /dev/null)
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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 SHOW_EXTERNAL_DEPS_HG
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echo $($(PKG)_SOURCE)
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endef
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# Download a file using wget. Only download the file if it doesn't
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# already exist in the download directory. If the download fails,
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# remove the file (because wget -O creates a 0-byte file even if the
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# download fails). To handle an interrupted download as well, download
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# to a temporary file first. The temporary file will be overwritten
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# the next time the download is tried.
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define DOWNLOAD_WGET
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test -e $(DL_DIR)/$(2) || \
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($(WGET) -O $(DL_DIR)/$(2).tmp '$(call qstrip,$(1))' && \
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mv $(DL_DIR)/$(2).tmp $(DL_DIR)/$(2)) || \
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(rm -f $(DL_DIR)/$(2).tmp ; exit 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 SHOW_EXTERNAL_DEPS_WGET
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echo $(2)
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endef
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define DOWNLOAD_LOCALFILES
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test -e $(DL_DIR)/$(2) || \
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$(LOCALFILES) $(call stripurischeme,$(call qstrip,$(1))) $(DL_DIR)
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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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define SHOW_EXTERNAL_DEPS_LOCALFILES
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echo $(2)
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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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# Argument 2 is the source filename
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#
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# E.G. use like this:
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# $(call DOWNLOAD,$(FOO_SITE),$(FOO_SOURCE))
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################################################################################
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define DOWNLOAD
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$(call DOWNLOAD_INNER,$(1),$(if $(2),$(2),$(notdir $(1))))
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endef
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define DOWNLOAD_INNER
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$(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 $(DL_MODE)_SCP,$(BR2_PRIMARY_SITE)/$(2),$(2)) && exit ;; \
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*) $(call $(DL_MODE)_WGET,$(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) $($(DL_MODE)_GIT) && exit ;; \
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svn) $($(DL_MODE)_SVN) && exit ;; \
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bzr) $($(DL_MODE)_BZR) && exit ;; \
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file) $($(DL_MODE)_LOCALFILES) && exit ;; \
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scp) $($(DL_MODE)_SCP) && exit ;; \
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hg) $($(DL_MODE)_HG) && exit ;; \
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*) $(call $(DL_MODE)_WGET,$(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 $(DL_MODE)_WGET,$(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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