* Ramkumar Ramachandra <artag...@gmail.com> wrote:
> Replace a complex git log invocation with a simpler git rev-parse
> invocation.
>
> Cc: Ingo Molnar <mi...@kernel.org>
> Cc: Namhyung Kim <namhy...@gmail.com>
> Cc: Arnaldo Carvalho de Melo <a...@ghostprotocols.net>
> Signed-off-by: Ramkumar Ramachandra <artag...@gmail.com>
> ---
> tools/perf/util/PERF-VERSION-GEN | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/tools/perf/util/PERF-VERSION-GEN
> b/tools/perf/util/PERF-VERSION-GEN
> index 15a77b7..b23d11b 100755
> --- a/tools/perf/util/PERF-VERSION-GEN
> +++ b/tools/perf/util/PERF-VERSION-GEN
> @@ -18,7 +18,7 @@ TAG=
> if test -d ../../.git -o -f ../../.git
> then
> TAG=$(git describe --abbrev=0 --match "v[0-9].[0-9]*" 2>/dev/null )
> - CID=$(git log -1 --abbrev=4 --pretty=format:"%h" 2>/dev/null) &&
> CID="-g$CID"
> + CID=$(git rev-parse --short HEAD 2>/dev/null) && CID="-g$CID"
This shaves 4 milliseconds off the build time as well.
Acked-by: Ingo Molnar <mi...@kernel.org>
Thanks,
Ingo
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