Bug 1348671

Created attachment 1170337 [details]
0001-install-info-Use-create-tmp-then-rename-pattern.patch

From 23c3374a73a438029c17bcf385e7486754bead7a Mon Sep 17 00:00:00 2001
From: Colin Walters <walters>
Date: Tue, 21 Jun 2016 13:02:04 -0400
Subject: [PATCH] install-info: Use create-tmp-then-rename pattern

rpm-ostree uses
https://github.com/ostreedev/ostree/blob/master/man/rofiles-fuse.xml
when running `%post` scripts, to avoid corruption of the underlying
hardlink store.

Switch to that pattern to be compatible.
---
 install-info/install-info.c | 17 ++++++++++++++---
 1 file changed, 14 insertions(+), 3 deletions(-)

diff --git a/install-info/install-info.c b/install-info/install-info.c
index 4e39122..ef29eaf 100644
--- a/install-info/install-info.c
+++ b/install-info/install-info.c
@@ -954,18 +954,23 @@ output_dirfile (char *dirfile, int dir_nlines, struct line_data *dir_lines,
   int n_entries_added = 0;
   int i;
   FILE *output;
+  char *dirfile_tmp = NULL;
+
+  asprintf (&dirfile_tmp, "%s.tmp", dirfile);
+  if (!dirfile_tmp)
+    xalloc_die ();
 
   if (compression_program)
     {
-      char *command = concat (compression_program, ">", dirfile);
+      char *command = concat (compression_program, ">", dirfile_tmp);
       output = popen (command, "w");
     }
   else
-    output = fopen (dirfile, "w");
+    output = fopen (dirfile_tmp, "w");
 
   if (!output)
     {
-      perror (dirfile);
+      perror (dirfile_tmp);
       exit (EXIT_FAILURE);
     }
 
@@ -1076,6 +1081,12 @@ output_dirfile (char *dirfile, int dir_nlines, struct line_data *dir_lines,
     pclose (output);
   else
     fclose (output);
+
+  if (rename (dirfile_tmp, dirfile) < 0)
+    {
+      perror (dirfile_tmp);
+      exit (EXIT_FAILURE);
+    }
 }
 ^L
 /* Parse the input to find the section names and the entry names it
-- 
2.5.5