root/trunk/freewrt/mk/fetch.mk

# $FreeWRT$
#-
# This file is part of the FreeWRT project. FreeWRT is copyrighted
# material, please see the LICENCE file in the top-level directory
# or at http://www.freewrt.org/licence for details.
#-

ifneq ($(strip ${DIST_SUBDIR}),)
FULLDISTDIR?=           ${DISTDIR}/${DIST_SUBDIR}
else
FULLDISTDIR?=           ${DISTDIR}
endif

FULLDISTFILES=          $(patsubst %,${FULLDISTDIR}/%,${DISTFILES})

FETCH_STYLE?=           auto
#pre-fetch:
do-fetch:
#post-fetch:
fetch:
#       @${MAKE} pre-fetch
ifneq ($(filter auto,${FETCH_STYLE}),)
        ${MAKE} ${FULLDISTFILES}
else
        ${MAKE} do-fetch
endif
#       @${MAKE} post-fetch

refetch:
        -rm -f ${FULLDISTFILES}
        ${MAKE} fetch

# XXX for now
_CHECKSUM_COOKIE?=      ${WRKDIR}/.checksum_done
checksum: ${_CHECKSUM_COOKIE}
ifeq ($(strip ${NO_CHECKSUM}),)
${_CHECKSUM_COOKIE}: ${FULLDISTFILES}
        rm -rf ${WRKDIR}
        @OK=n; \
        (md5sum ${FULLDISTFILES}; echo exit) | while read sum name; do \
                if [[ $$sum = exit ]]; then \
                        [[ $$OK = n ]] && echo >&2 "==> No distfile found!" || :; \
                        [[ $$OK = 1 ]] || exit 1; \
                        break; \
                fi; \
                if [[ $$sum = "$(strip ${PKG_MD5SUM})" ]]; then \
                        echo >&2 "==> Checksum ok for $${name##*/} (MD5)"; \
                        [[ $$OK = 0 ]] || OK=1; \
                        continue; \
                fi; \
                echo >&2 "==> Checksum mismatch for $${name##*/} (MD5)"; \
                echo >&2 ":---> should be '$(strip ${PKG_MD5SUM})'"; \
                echo >&2 ":---> really is '$$sum'"; \
                OK=0; \
        done
        mkdir -p ${WRKDIR}
        touch ${_CHECKSUM_COOKIE}
endif

# GNU make's poor excuse for loops
define FETCH_template
$(1):
        @fullname='$(1)'; \
        subname=$$$${fullname##$${DISTDIR}/}; \
        filename=$$$${fullname##*/}; \
        i='$${LOCAL_DISTDIR}'; \
        if [[ -n $$$$i && -e $$$$i/$$$$subname ]]; then \
                cd "$$$$i"; \
                echo mirpax -rw "$$$$subname" '$${DISTDIR}/'; \
                exec mirpax -rw "$$$$subname" '$${DISTDIR}/'; \
        fi; \
        mkdir -p "$$$${fullname%%/$$$$filename}"; \
        cd "$$$${fullname%%/$$$$filename}"; \
        for site in $${MASTER_SITES} $${MASTER_SITE_BACKUP}; do \
                echo "==> Attempting to fetch $$$$subname from $$$$site"; \
                : echo "$${FETCH_CMD} $$$$site$$$$filename"; \
                rm -f "$$$$filename"; \
                if $${FETCH_CMD} $$$$site$$$$filename; then \
                        : check the size here; \
                        [[ ! -e $$$$filename ]] || exit 0; \
                fi; \
        done; \
        exit 1
endef

$(foreach distfile,${FULLDISTFILES},$(eval $(call FETCH_template,$(distfile))))