pkgs/tools/compression/pxz/flush-stdout-help-version.patch

   1 From bba741ccd0f0a65cd9bfdd81504ebe5840fd37ad Mon Sep 17 00:00:00 2001
   2 From: Will Dietz <w@wdtz.org>
   3 Date: Tue, 22 Mar 2022 08:01:10 -0500
   4 Subject: [PATCH] pxz: flush stdout before exec'ing xz, ensure our messages are
   5  printed
   6
   7 Without this, they're presently dropped on my system when pxz
   8 is piped to something, as in `pxz --help|less` or `pxz --version|cat`.
   9 ---
  10  pxz.c | 2 ++
  11  1 file changed, 2 insertions(+)
  12
  13 diff --git a/pxz.c b/pxz.c
  14 index 4240b6e..3b53cfa 100644
  15 --- a/pxz.c
  16 +++ b/pxz.c
  17 @@ -184,10 +184,12 @@ void parse_args( int argc, char **argv, char **envp ) {
  18                                         "  -D, --context-size  per-thread compression context size as a multiple\n"
  19                                         "                      of dictionary size. Default is 3.\n\n"
  20                                         "Usage and other options are same as in XZ:\n\n");
  21 +                               fflush(stdout);
  22                                 run_xz(argv, envp);
  23                                 break;
  24                         case 'V':
  25                                 printf("Parallel PXZ "PXZ_VERSION" (build "PXZ_BUILD_DATE")\n");
  26 +                               fflush(stdout);
  27                                 run_xz(argv, envp);
  28                                 break;
  29                         case 'g':
  30 --
  31 2.35.1
  32