Add a patch to not close stding but actually use /dev/null

When running scripts

1 files changed, 47 insertions, 0 deletions

diff --git a/ports-mgmt/pkg-devel/files/patch-better-stdin-handling b/ports-mgmt/pkg-devel/files/patch-better-stdin-handling
new file mode 100644
index 000000000000..045a088440f2
--- /dev/null
+++ b/ports-mgmt/pkg-devel/files/patch-better-stdin-handling
@@ -0,0 +1,47 @@
+diff --git libpkg/scripts.c libpkg/scripts.c
+index 04667af1..489b46d7 100644
+--- libpkg/scripts.c
++++ libpkg/scripts.c
+@@ -35,6 +35,7 @@
+ 
+ #include <assert.h>
+ #include <errno.h>
++#include <fcntl.h>
+ #include <paths.h>
+ #include <spawn.h>
+ #include <stdlib.h>
+@@ -59,6 +60,7 @@ pkg_script_run(struct pkg * const pkg, pkg_script type)
+ 	const char *argv[4];
+ 	char **ep;
+ 	int ret = EPKG_OK;
++	int fd = -1;
+ 	int stdin_pipe[2] = {-1, -1};
+ 	posix_spawn_file_actions_t action;
+ 	bool use_pipe = 0;
+@@ -157,8 +159,15 @@ pkg_script_run(struct pkg * const pkg, pkg_script type)
+ 
+ 				use_pipe = 1;
+ 			} else {
+-				posix_spawn_file_actions_addclose(&action,
+-				    STDIN_FILENO);
++				fd = open("/dev/null", O_RDWR);
++				if (fd < 0) {
++					pkg_errno("Cannot open %s", "/dev/null");
++					ret = EPKG_FATAL;
++					posix_spawn_file_actions_destroy(&action);
++					goto cleanup;
++				}
++				posix_spawn_file_actions_adddup2(&action,
++				    fd, STDIN_FILENO);
+ 
+ 				argv[0] = _PATH_BSHELL;
+ 				argv[1] = "-c";
+@@ -178,6 +187,8 @@ pkg_script_run(struct pkg * const pkg, pkg_script type)
+ 			}
+ 			posix_spawn_file_actions_destroy(&action);
+ 
++			if (fd != -1)
++				close(fd);
+ 			if (use_pipe) {
+ 				script_cmd_p = utstring_body(script_cmd);
+ 				script_cmd_len = utstring_len(script_cmd);