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makefiles/docker.inc.mk: add path_in_docker function

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Return to which directory in the container this directory should be mapped.
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cladmi 2018-09-04 14:53:51 +02:00 committed by Gaëtan Harter
parent a462c4aeb9
commit 8351b13cc3
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1 changed files with 51 additions and 0 deletions
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makefiles/docker.inc.mk
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@ -90,6 +90,57 @@ DOCKER ?= docker
ETC_LOCALTIME = $(realpath /etc/localtime)
# # # # # # # # # # # # # # # #
# Directory mapping functions #
# # # # # # # # # # # # # # # #
# Test if a directory is a subdirectory of `RIOTBASE`
#
# dir_is_outside_riotbase <directory>
#
# $1 = directory
# Returns: a non empty value if it is True
#
# From env:
# * RIOTBASE
#
# The terminating '/' in patsubst is important to match $1 == $(RIOTBASE)
# It also handles relative directories
define dir_is_outside_riotbase
$(filter $(abspath $1)/,$(patsubst $(RIOTBASE)/%,%,$(abspath $1)/))
endef
# Mapping of directores inside docker
#
# Return the path of directories from the host within the container
#
# path_in_docker <directories> <map base directory|> <mapname|>
#
# $1 = directories (can be a list of relative directories)
# $2 = docker remap base directory (defaults to DOCKER_BUILD_ROOT)
# $3 = mapname (defaults to each directory name).
# If provided $1 must only contain one directory.
# Returns: the path the directory would have in docker
#
# For each directory:
# * if inside $(RIOTBASE), returns $(DOCKER_RIOTBASE)/<relative_path_in_riotbase>
# * if outside $(RIOTBASE), returns <docker remapbase>/<mapname>
#
# From env:
# * RIOTBASE
# * DOCKER_RIOTBASE
# * DOCKER_BUILD_ROOT
path_in_docker = $(foreach d,$1,$(strip $(call _dir_path_in_docker,$d,$2,$3)))
define _dir_path_in_docker
$(if $(call dir_is_outside_riotbase,$1),\
$(if $2,$2,$(DOCKER_BUILD_ROOT))/$(if $3,$3,$(notdir $(abspath $1))),\
$(patsubst %/,%,$(patsubst $(RIOTBASE)/%,$(DOCKER_RIOTBASE)/%,$(abspath $1)/)))
endef
DOCKER_APPDIR = $(DOCKER_BUILD_ROOT)/riotproject/$(BUILDRELPATH)
# Directory mapping in docker and directories environment variable configuration