nixpkgs/pkgs/tools/compression/pxz/flush-stdout-help-version.patch
2022-03-23 03:59:58 +01:00

32 lines
1,005 B
Diff

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