[Buildroot] [PATCH 02/13 v2] core/pkg-utils: add macro to hardlink-or-copy
Arnout Vandecappelle
arnout at mind.be
Wed Dec 16 22:21:41 UTC 2015
On 13-12-15 19:35, Yann E. MORIN wrote:
> Signed-off-by: "Yann E. MORIN" <yann.morin.1998 at free.fr>
> Cc: Luca Ceresoli <luca at lucaceresoli.net>
> Reviewed-by: Luca Ceresoli <luca at lucaceresoli.net>
> Tested-by: Luca Ceresoli <luca at lucaceresoli.net>
Reviewed-by: Arnout Vandecappelle (Essensium/Mind) <arnout at mind.be>
Regards,
Arnout
>
> ---
> Changes RFC -> v1:
> - move to pkg-utils (Luca)
> ---
> package/pkg-utils.mk | 18 ++++++++++++++++++
> 1 file changed, 18 insertions(+)
>
> diff --git a/package/pkg-utils.mk b/package/pkg-utils.mk
> index 44bd2c9..41799b0 100644
> --- a/package/pkg-utils.mk
> +++ b/package/pkg-utils.mk
> @@ -113,6 +113,24 @@ $$(error Package error: use $(2) instead of $(1). Please fix your .mk file)
> endif
> endef
>
> +################################################################################
> +# hardlink-copy -- hardlink source and destination if possible, otherwise
> +# do a simple copy
> +#
> +# argument 1 is the source *file*
> +# argument 2 is the destination *directory*
> +#
> +# example:
> +# $(call hardlink-copy,/path/to/source/file,/path/to/destination/dir/)
> +#
> +# Note: we make that a single command, so se can:
> +# - use '$(Q)' in front of it and properly silence the whole macro,
> +# - use '|| exit 1' after it, so we can exit on error in compound commands.
> +################################################################################
> +define hardlink-copy
> + { mkdir -p $(2) && { cp -l $(1) $(2) 2>/dev/null || cp $(1) $(2); } }
> +endef
> +
> #
> # legal-info helper functions
> #
>
--
Arnout Vandecappelle arnout at mind be
Senior Embedded Software Architect +32-16-286500
Essensium/Mind http://www.mind.be
G.Geenslaan 9, 3001 Leuven, Belgium BE 872 984 063 RPR Leuven
LinkedIn profile: http://www.linkedin.com/in/arnoutvandecappelle
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