[Buildroot] [PATCH 3/9 v3] support/download: convert localfiles to use the wrapper

[Thomas De Schampheleire]

On Mon, Jul 21, 2014 at 12:42 AM, Yann E. MORIN <yann.morin.1998 at free.fr> wrote:
> This drastically simplifies the localfiles helper, as it no longer has
> to deal with atomically saving the downloaded archive.
>
> Signed-off-by: "Yann E. MORIN" <yann.morin.1998 at free.fr>
> ---
>  package/pkg-download.mk |  4 ++--
>  support/download/cp     | 20 +++++---------------
>  2 files changed, 7 insertions(+), 17 deletions(-)
>
> diff --git a/package/pkg-download.mk b/package/pkg-download.mk
> index 6320338..94febab 100644
> --- a/package/pkg-download.mk
> +++ b/package/pkg-download.mk
> @@ -205,8 +205,8 @@ endef
>
>  define DOWNLOAD_LOCALFILES
>         test -e $(DL_DIR)/$(2) || \
> -       $(EXTRA_ENV) support/download/cp $(call stripurischeme,$(call qstrip,$(1))) \
> -                                        $(DL_DIR)/$(2) && \
> +       $(EXTRA_ENV) support/download/wrapper cp $(DL_DIR)/$(2) \
> +                                                $(call stripurischeme,$(call qstrip,$(1))) && \
>         $(call VERIFY_HASH,$(PKGDIR)/$($(PKG)_NAME).hash,$(DL_DIR)/$(2))
>  endef
>
> diff --git a/support/download/cp b/support/download/cp
> index 8f6bc06..4945c56 100755
> --- a/support/download/cp
> +++ b/support/download/cp
> @@ -5,22 +5,12 @@ set -e
>
>  # Download helper for cp
>  # Call it with:
> -#   $1: source file
> -#   $2: output file
> +#   $1: output file
> +#   $2: source file
>  # And this environment:
>  #   LOCALFILES: the cp command to call
>
> -source="${1}"
> -output="${2}"
> +output="${1}"
> +source="${2}"
>
> -tmp_output="$( mktemp "${output}.XXXXXX" )"
> -
> -ret=1
> -if ${LOCALFILES} "${source}" "${tmp_output}"; then
> -    mv "${tmp_output}" "${output}"
> -    ret=0
> -fi
> -
> -# Cleanup
> -rm -f "${tmp_output}"
> -exit ${ret}
> +${LOCALFILES} "${source}" "${output}"
> --

Tested-by: Thomas De Schampheleire <thomas.de.schampheleire at gmail.com>
(Tested by setting BUSYBOX_SITE = file:///tmp and running 'make busybox-source')