[oe-commits] [openembedded-core] 06/07: busybox: update flock behavior to match upstream

[git at git.openembedded.org]

rpurdie pushed a commit to branch master
in repository openembedded-core.

commit 84686b51043c5a6b0ae184d00f547ccbd7832f39
Author: Maxin B. John <maxin.john at intel.com>
AuthorDate: Thu Apr 21 12:24:07 2016 +0300

    busybox: update flock behavior to match upstream
    
    In "util-linux" implementation of flock, -c 'PROG ARGS' means run
    "sh -c 'PROG ARGS'". At present, busybox implementation doesn't follow it.
    That causes errors like the one listed below:
    
    smart install /media/cronie-1.5.0-r0.core2_64.rpm
    Updating cache...
      <snip>
      Output from cronie-1.5.0-r0 at core2_64:
      Running groupadd commands...
      NOTE: cronie: Performing groupadd with [ --system crontab]
      ERROR: cronie: groupadd command did not succeed.
      error: %pre(cronie-1.5.0-r0.core2_64) scriptlet failed, exit status 1
      error:   install: %pre scriptlet failed (2), skipping
      cronie-1.5.0-r0.core2_64
    
    This is because we use flock command in preinstall scripts in packages
    which create new groups/users.
    
    [YOCTO #9496]
    
    Signed-off-by: Maxin B. John <maxin.john at intel.com>
    Signed-off-by: Ross Burton <ross.burton at intel.com>
---
 ...e-the-behaviour-of-c-parameter-to-match-u.patch | 73 ++++++++++++++++++++++
 meta/recipes-core/busybox/busybox_1.24.1.bb        |  1 +
 2 files changed, 74 insertions(+)

diff --git a/meta/recipes-core/busybox/busybox/0001-flock-update-the-behaviour-of-c-parameter-to-match-u.patch b/meta/recipes-core/busybox/busybox/0001-flock-update-the-behaviour-of-c-parameter-to-match-u.patch
new file mode 100644
index 0000000..8bcbd73
--- /dev/null
+++ b/meta/recipes-core/busybox/busybox/0001-flock-update-the-behaviour-of-c-parameter-to-match-u.patch
@@ -0,0 +1,73 @@
+From 198f18addf1d814c2fefcb492f3b9fbd221669bb Mon Sep 17 00:00:00 2001
+From: "Maxin B. John" <maxin.john at intel.com>
+Date: Wed, 20 Apr 2016 18:24:45 +0300
+Subject: [PATCH] flock: update the behaviour of -c parameter to match upstream
+
+In upstream, -c 'PROG ARGS' means "run sh -c 'PROG ARGS'"
+
+function                                             old     new   delta
+flock_main                                           286     377     +91
+.rodata                                           155849  155890     +41
+
+Upstream-Status: Submitted
+[ http://lists.busybox.net/pipermail/busybox/2016-April/084142.html ]
+
+Signed-off-by: Maxin B. John <maxin.john at intel.com>
+---
+ util-linux/flock.c | 20 ++++++++++++++------
+ 1 file changed, 14 insertions(+), 6 deletions(-)
+
+diff --git a/util-linux/flock.c b/util-linux/flock.c
+index 05a747f..c85a25d 100644
+--- a/util-linux/flock.c
++++ b/util-linux/flock.c
+@@ -20,6 +20,7 @@ int flock_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
+ int flock_main(int argc UNUSED_PARAM, char **argv)
+ {
+ 	int mode, opt, fd;
++    char *cmd_args[4];
+ 	enum {
+ 		OPT_s = (1 << 0),
+ 		OPT_x = (1 << 1),
+@@ -57,7 +58,6 @@ int flock_main(int argc UNUSED_PARAM, char **argv)
+ 	/* If it is "flock FILE -c PROG", then -c isn't caught by getopt32:
+ 	 * we use "+" in order to support "flock -opt FILE PROG -with-opts",
+ 	 * we need to remove -c by hand.
+-	 * TODO: in upstream, -c 'PROG ARGS' means "run sh -c 'PROG ARGS'"
+ 	 */
+ 	if (argv[0]
+ 	 && argv[0][0] == '-'
+@@ -65,7 +65,10 @@ int flock_main(int argc UNUSED_PARAM, char **argv)
+ 	    || (ENABLE_LONG_OPTS && strcmp(argv[0] + 1, "-command") == 0)
+ 	    )
+ 	) {
+-		argv++;
++        if (argc != optind + 3)
++            bb_error_msg_and_die("-c requires exactly one command argument");
++        else
++            argv++;
+ 	}
+ 
+ 	if (OPT_s == LOCK_SH && OPT_x == LOCK_EX && OPT_n == LOCK_NB && OPT_u == LOCK_UN) {
+@@ -89,9 +92,14 @@ int flock_main(int argc UNUSED_PARAM, char **argv)
+ 			return EXIT_FAILURE;
+ 		bb_perror_nomsg_and_die();
+ 	}
+-
+-	if (argv[0])
+-		return spawn_and_wait(argv);
+-
++    if (argv[0]) {
++        cmd_args[0] = getenv("SHELL");
++        if (!cmd_args[0])
++            cmd_args[0] = (char*)DEFAULT_SHELL;
++        cmd_args[1] = (char*)"-c";
++        cmd_args[2] = argv[0];
++        cmd_args[3] = NULL;
++        return spawn_and_wait(cmd_args);
++    }
+ 	return EXIT_SUCCESS;
+ }
+-- 
+2.4.0
+
diff --git a/meta/recipes-core/busybox/busybox_1.24.1.bb b/meta/recipes-core/busybox/busybox_1.24.1.bb
index bdaa5a5..f699f99 100644
--- a/meta/recipes-core/busybox/busybox_1.24.1.bb
+++ b/meta/recipes-core/busybox/busybox_1.24.1.bb
@@ -32,6 +32,7 @@ SRC_URI = "http://www.busybox.net/downloads/busybox-${PV}.tar.bz2;name=tarball \
            file://busybox-1.24.1-unzip.patch \
            file://busybox-1.24.1-unzip-regression.patch \
            file://busybox-1.24.1-truncate-open-mode.patch \
+           file://0001-flock-update-the-behaviour-of-c-parameter-to-match-u.patch \
            file://mount-via-label.cfg \
            file://sha1sum.cfg \
            file://sha256sum.cfg \

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