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core/pkg-generic: allow packages to exclude files when extracting

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Currently, packages that need to exclude parts of the archives when
extracting (e.g. to gain space), like gcc or toolchain-external, have to
provide custom extract commands, just for the sake of adding a bunch of
--exclude directives when calling tar.

Add a new variable that packages may set, to provide a space-separated
list of patterns to exclude.

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Cc: Vicente Olivert Riera <Vincent.Riera@imgtec.com>
Reviewed-by: Romain Naour <romain.naour@openwide.fr>
Reviewed-by: Vicente Olivert Riera <Vincent.Riera@imgtec.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
This commit is contained in:
Yann E. MORIN
2015-10-24 14:48:53 +02:00
committed by Thomas Petazzoni
parent cc0c66510c
commit 07e5641339
2 changed files with 8 additions and 1 deletions
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5
package/pkg-generic.mk
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@@ -508,7 +508,10 @@ $(2)_TARGET_DIRCLEAN = $$($(2)_DIR)/.stamp_dircleaned
# default extract command
$(2)_EXTRACT_CMDS ?= \
$$(if $$($(2)_SOURCE),$$(INFLATE$$(suffix $$($(2)_SOURCE))) $$(DL_DIR)/$$($(2)_SOURCE) | \
$$(TAR) --strip-components=$$($(2)_STRIP_COMPONENTS) -C $$($(2)_DIR) $$(TAR_OPTIONS) -)
$$(TAR) --strip-components=$$($(2)_STRIP_COMPONENTS) \
-C $$($(2)_DIR) \
$$(foreach x,$$($(2)_EXCLUDES),--exclude='$$(x)' ) \
$$(TAR_OPTIONS) -)
# pre/post-steps hooks
$(2)_PRE_DOWNLOAD_HOOKS ?=