[oe] [meta-oe][morty][PATCH 2/6] devmem2: use different filename to avoid checksum conflicts

[Khem Raj]

On Fri, Jun 23, 2017 at 1:23 PM, Alejandro Mery
<amery at hanoverdisplays.com> wrote:
> From: Denys Dmytriyenko <denys at ti.com>
>
> The newly resurrected devmem2.c file besides having a new location, also
> updates its header, producing different checksums, which would conflict
> with any previously cached or mirrored instances. To avoid such conflicts,
> use a different filename in fetch(). Rename it back to original name at
> unpack() for devmem2-fixups-2.patch to succeed w/o modifications.
>
> WARNING: devmem2-1.0-r7 do_fetch: Fetcher failure for URL: 'http://www.free-electrons.com/pub/mirror/devmem2.c'. Checksum mismatch!
> File: '/OE/master/downloads/devmem2.c' has md5 checksum be12c0132a1ae118cbf5e79d98427c1d when e23f236e94be4c429aa1ceac0f01544b was expected
> File: '/OE/master/downloads/devmem2.c' has sha256 checksum ec382c90af3ef2f49695ff14a4d6521e58ac482c4e29d6c9ebca8768f699c191 when 3b15515693bae1ebd14d914e46d388edfec2175829ea1576a7a0c8606ebbe639 was expected
> If this change is expected (e.g. you have upgraded to a new version without updating the checksums) then you can use these lines within the recipe:
> SRC_URI[md5sum] = "be12c0132a1ae118cbf5e79d98427c1d"
> SRC_URI[sha256sum] = "ec382c90af3ef2f49695ff14a4d6521e58ac482c4e29d6c9ebca8768f699c191"
> Otherwise you should retry the download and/or check with upstream to determine if the file has become corrupted or otherwise unexpectedly modified.
>
> WARNING: devmem2-1.0-r7 do_fetch: Renaming /OE/sources/devmem2.c to /OE/sources/devmem2.c_bad-checksum_be12c0132a1ae118cbf5e79d98427c1d
>
> Signed-off-by: Denys Dmytriyenko <denys at ti.com>
> Signed-off-by: Martin Jansa <Martin.Jansa at gmail.com>
> ---
>  meta-oe/recipes-support/devmem2/devmem2.bb | 6 +++++-
>  1 file changed, 5 insertions(+), 1 deletion(-)
>
> diff --git a/meta-oe/recipes-support/devmem2/devmem2.bb b/meta-oe/recipes-support/devmem2/devmem2.bb
> index c42eb5e0b..c86eb2e4b 100644
> --- a/meta-oe/recipes-support/devmem2/devmem2.bb
> +++ b/meta-oe/recipes-support/devmem2/devmem2.bb
> @@ -3,12 +3,16 @@ LICENSE = "GPLv2+"
>  LIC_FILES_CHKSUM = "file://devmem2.c;endline=38;md5=a9eb9f3890384519f435aedf986297cf"
>  PR = "r7"
>
> -SRC_URI = "http://www.free-electrons.com/pub/mirror/devmem2.c \
> +SRC_URI = "http://www.free-electrons.com/pub/mirror/devmem2.c;downloadfilename=devmem2-new.c \
>             file://devmem2-fixups-2.patch;apply=yes;striplevel=0"
>  S = "${WORKDIR}"
>

can we explore use of downloadfilename= parameter of http/ftp fetcher

>  CFLAGS += "-DFORCE_STRICT_ALIGNMENT"
>
> +python do_unpack_append() {
> +    os.rename("devmem2-new.c", "devmem2.c")
> +}
> +
>  do_compile() {
>      ${CC} -o devmem2 devmem2.c ${CFLAGS} ${LDFLAGS}
>  }
> --
> 2.13.0
>
> --
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