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Fix for: connection to database failed: Unix-domain socket path "/build/buildd-postgresql-9.3_9.3~beta1-1-i386-mHjRUH/postgresql-9.3-9.3~beta1/build/contrib/pg_upgrade/.s.PGSQL.50432" is too long (maximum 107 bytes)
See also: http://lists.debian.org/debian-wb-team/2013/05/msg00015.html
--- a/src/bin/pg_upgrade/option.c
+++ b/src/bin/pg_upgrade/option.c
@@ -460,6 +460,11 @@ get_sock_dir(ClusterInfo *cluster, bool
cluster->sockdir = pg_malloc(MAXPGPATH);
if (!getcwd(cluster->sockdir, MAXPGPATH))
pg_fatal("cannot find current directory\n");
+#ifndef UNIX_PATH_MAX
+#define UNIX_PATH_MAX 108
+#endif
+ if (strlen(cluster->sockdir) >= UNIX_PATH_MAX - sizeof(".s.PGSQL.50432"))
+ strcpy(cluster->sockdir, "/tmp"); /* fall back to tmp */
}
else
{
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