From: Felix Fietkau <nbd@nbd.name>
Date: Tue, 30 May 2017 13:37:10 +0000 (+0200)
Subject: tar: override symlink permissions
X-Git-Tag: v17.01.5~214
X-Git-Url: http://git.openwrt.org/?p=openwrt%2Fopenwrt.git;a=commitdiff_plain;h=e8bd0a606a60ad37a7a737943f6b5a5347953167

tar: override symlink permissions

On Linux, symlink permissions cannot be altered and are always 0777.
On Mac OS X they can be 0755. Force 0777 here to keep tarballs
reproducible across systems

Signed-off-by: Felix Fietkau <nbd@nbd.name>
(cherry picked from commit e25cedd0b5621dc02e47eea674006578ac062c9f)
---

diff --git a/tools/tar/patches/110-symlink-force-permissions.patch b/tools/tar/patches/110-symlink-force-permissions.patch
new file mode 100644
index 0000000000..83dbda6ec5
--- /dev/null
+++ b/tools/tar/patches/110-symlink-force-permissions.patch
@@ -0,0 +1,10 @@
+--- a/src/create.c
++++ b/src/create.c
+@@ -1851,6 +1851,7 @@ dump_file0 (struct tar_stat_info *st, ch
+ #ifdef HAVE_READLINK
+   else if (S_ISLNK (st->stat.st_mode))
+     {
++      st->stat.st_mode |= 0777; /* make permissions portable */
+       st->link_name = areadlinkat_with_size (parentfd, name, st->stat.st_size);
+       if (!st->link_name)
+ 	{