main/busybox: add support for --no-dereference in 'diff'

ref #2847

2 files changed, 68 insertions, 1 deletions

diff --git a/main/busybox/0001-diff-add-support-for-no-dereference.patch b/main/busybox/0001-diff-add-support-for-no-dereference.patch
new file mode 100644
index 0000000000..6a9146337a
--- /dev/null
+++ b/main/busybox/0001-diff-add-support-for-no-dereference.patch
@@ -0,0 +1,63 @@
+From 3993add1f639fc1c6c44d9dc865aa02646e22d6c Mon Sep 17 00:00:00 2001
+From: Natanael Copa <ncopa@alpinelinux.org>
+Date: Fri, 25 Jul 2014 15:28:33 +0200
+Subject: [PATCH] diff: add support for --no-dereference
+
+Add flag for not following symlinks when recursing
+
+function                                             old     new   delta
+.rodata                                             7934    7967     +33
+diff_longopts                                        253     270     +17
+packed_usage                                        1704    1720     +16
+diff_main                                           1665    1662      -3
+------------------------------------------------------------------------------
+(add/remove: 0/0 grow/shrink: 3/1 up/down: 66/-3)              Total: 63 bytes
+
+Signed-off-by: Natanael Copa <ncopa@alpinelinux.org>
+---
+ editors/diff.c | 8 +++++++-
+ 1 file changed, 7 insertions(+), 1 deletion(-)
+
+diff --git a/editors/diff.c b/editors/diff.c
+index a78a0ee..a0203af 100644
+--- a/editors/diff.c
++++ b/editors/diff.c
+@@ -117,6 +117,9 @@
+ //usage:     "\n	-N	Treat absent files as empty"
+ //usage:     "\n	-q	Output only whether files differ"
+ //usage:     "\n	-r	Recurse"
++//usage:        IF_LONG_OPTS(
++//usage:     "\n        --no-dereference Don't follow symlinks"
++//usage:        )
+ //usage:     "\n	-S	Start with FILE when comparing directories"
+ //usage:     "\n	-T	Make tabs line up by prefixing a tab when necessary"
+ //usage:     "\n	-s	Report when two files are the same"
+@@ -157,6 +160,7 @@ enum {                  /* Commandline flags */
+ 	FLAG_p,         /* not implemented */
+ 	FLAG_B,
+ 	FLAG_E,         /* not implemented */
++	FLAG_no_deref,
+ };
+ #define FLAG(x) (1 << FLAG_##x)
+ 
+@@ -869,7 +873,8 @@ static void diffdir(char *p[2], const char *s_start)
+ 		 * Using list.len to specify its length,
+ 		 * add_to_dirlist will remove it. */
+ 		list[i].len = strlen(p[i]);
+-		recursive_action(p[i], ACTION_RECURSE | ACTION_FOLLOWLINKS,
++		recursive_action(p[i], ACTION_RECURSE |
++			(option_mask32 & FLAG(no_deref)) ? 0 : ACTION_FOLLOWLINKS,
+ 				add_to_dirlist, skip_dir, &list[i], 0);
+ 		/* Sort dl alphabetically.
+ 		 * GNU diff does this ignoring any number of trailing dots.
+@@ -966,6 +971,7 @@ static const char diff_longopts[] ALIGN1 =
+ 	"report-identical-files\0"   No_argument       "s"
+ 	"starting-file\0"            Required_argument "S"
+ 	"minimal\0"                  No_argument       "d"
++	"no-dereference\0"           No_argument       "\xff"
+ 	;
+ #endif
+ 
+-- 
+2.0.3
+
diff --git a/main/busybox/APKBUILD b/main/busybox/APKBUILD
index b69f0d59c4..5341abacae 100644
--- a/main/busybox/APKBUILD
+++ b/main/busybox/APKBUILD
@@ -1,7 +1,7 @@
 # Maintainer: Natanael Copa <ncopa@alpinelinux.org>
 pkgname=busybox
 pkgver=1.22.1
-pkgrel=8
+pkgrel=9
 pkgdesc="Size optimized toolbox of many common UNIX utilities"
 url=http://busybox.net
 arch="all"
@@ -32,6 +32,7 @@ source="http://busybox.net/downloads/$pkgname-$pkgver.tar.bz2
 	0002-sendmail-use-FQDN-in-default-envelope-sender.patch
 	0001-linedit-deluser-use-POSIX-getpwent-instead-of-getpwe.patch
 	0001-top-fix-and-merge-code-to-parse-proc-meminfo.patch
+	0001-diff-add-support-for-no-dereference.patch
 
 	busyboxconfig
 	glibc.patch"
@@ -129,6 +130,7 @@ d372d376820957fd5f2aee158af9867e  0001-sendmail-make-f-optional-document-its-def
 9d83db6173fe5b0fb8ee6ce741d5bb18  0002-sendmail-use-FQDN-in-default-envelope-sender.patch
 239dbe5dae5d36bbf73548b2749a22b1  0001-linedit-deluser-use-POSIX-getpwent-instead-of-getpwe.patch
 7cadebb1071d648b947cfbcca9839721  0001-top-fix-and-merge-code-to-parse-proc-meminfo.patch
+118f82083ca2c9f8729800b9ee8e1475  0001-diff-add-support-for-no-dereference.patch
 5d64c6dc25648854034684b7a15d9a7f  busyboxconfig
 befaac2c59c380e36a452b3f1c1d4a3a  glibc.patch"
 sha256sums="ae0b029d0a9e4dd71a077a790840e496dd838998e4571b87b60fed7462b6678b  busybox-1.22.1.tar.bz2
@@ -149,6 +151,7 @@ a31ce8bcb8b81b20e80ffa407600a530d085806c6471f4e4249fcb3a491b79ef  busybox-uname-
 7c88ef1d837ec8efb7c21e5b1b16e4ac3060ccde7ad5f698e9e6ef630d412593  0002-sendmail-use-FQDN-in-default-envelope-sender.patch
 ac2cd5fed91bfaec22ed1f2766396d0feb29b9b96f20b2c12d5d8ac8769afae9  0001-linedit-deluser-use-POSIX-getpwent-instead-of-getpwe.patch
 79c6e19853a4ceecfec65311e5f8e66033243b8250829c06420d27d8240f1775  0001-top-fix-and-merge-code-to-parse-proc-meminfo.patch
+f2b0218c2c77369ce2d0f208dd4222d7552bcffb5e96296452891cdb504adce0  0001-diff-add-support-for-no-dereference.patch
 4bbfc462e0455f82f0850e788c53ca36eaf6aec24b285024d3baee8c36533c69  busyboxconfig
 c604ef791c31d35a8c5ee4558d21428a46f37a6d762c4a7e29864f4037fc44a0  glibc.patch"
 sha512sums="3e99fe373d638f714c3a61e1b02493d85ca532f472df038f7557db518ded38347072882ed568852941be7aac46fc34007257b4287375335ff5a09b60b295ce80  busybox-1.22.1.tar.bz2
@@ -169,5 +172,6 @@ b1a1cc2ada657a3d3364c8c96853575d73784e769cd8768c170c27a3e59abd2beace75dff6d5047c
 d466676cd2779ff33f288bb073aa2baa4f3606cf8b96ec514e624a7acb46442a2839ef18c47e19cc18a8234a485de39596773b44e4be2eff39617d7cf677dd38  0002-sendmail-use-FQDN-in-default-envelope-sender.patch
 6781b10ca078296b243373d2c3f2bca2507a9df18a6b06d051e9ce84ed31a238aef3b2bb085daf12b145550be68c07c854272bd78a6f77da9197779b9c7cd9e9  0001-linedit-deluser-use-POSIX-getpwent-instead-of-getpwe.patch
 fa5f7f43bf8030f4bfcdf09d85e2e314014d5a083a24de95ac2e78c15e0dfebc14e410088e7f8eaeb8cdf24dea64e3b665b99afb8f96259e9908eebce81745bc  0001-top-fix-and-merge-code-to-parse-proc-meminfo.patch
+8a97605736cb665b74587eda1c0458ffa678c262db677f42999e70ee383a8ec3cc4ab248180843f21f682b7e5483a4859be6b04fdc9a5f3c3ad75a527ad62607  0001-diff-add-support-for-no-dereference.patch
 ee5221f756efe4d0b3c1296ba94fb14acaeafee49bd49c96fa1f3e4f64abe7902cedf0dd0c2c531e7d9287d8743804284f9e30e569525d16a46e4252da7c0e1b  busyboxconfig
 1d2739379dab1deb3eae7cffd4845300eb7d30f7343b4a1209b21a5680860d55080ad45fdefe098b249ce3040c01951fa7f0a79cd447b2d7b260eb000099d9dc  glibc.patch"