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authorThomas Weißschuh <thomas@t-8ch.de>2022-11-09 05:17:00 +0100
committerHauke Mehrtens <hauke@hauke-m.de>2022-11-20 18:44:43 +0100
commit0d375de10dac3160c65c264bb91a5137ef4c0817 (patch)
tree9ad1b54faaab9554d1e313fed394e6f3a746f54b /tools/patch/patches
parent21762e46535d154a2e349ae2d646e2ea6926f365 (diff)
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tools/patch: apply patch for EACCES on xattr copy
When compiling OpenWRT on a compressed btrfs volume the build fails in libtool. The file `libltdl/config/ltmain.m4sh` from `libtool-2.4.2.tar.xz` is missing write permissions, therefore patch falls back to copying the file and patching that. During this patch tries to preserve all file attribute on the new copy. However the attribute `btrfs.compression` is privileged and btrfs return EACCES. While patch ignores multiple other error codes during the copy of xattr copy it is not prepared for EACCES and aborts. EACCES should be ignored the same way as the other errors. Build log: ``` ... Applying ./patches/000-relocatable.patch using plaintext: patching file libltdl/config/general.m4sh patching file libtoolize.in patching file libtoolize.m4sh patching file libltdl/m4/libtool.m4 Applying ./patches/100-libdir-fixes.patch using plaintext: patching file libltdl/config/ltmain.m4sh File libltdl/config/ltmain.sh is read-only; trying to patch anyway patching file libltdl/config/ltmain.sh patch: setting attribute btrfs.compression for btrfs.compression: Permission denied Patch failed! Please fix ./patches/100-libdir-fixes.patch! ``` Link: https://lists.gnu.org/archive/html/bug-patch/2022-11/msg00000.html Signed-off-by: Thomas Weißschuh <thomas@t-8ch.de>
Diffstat (limited to 'tools/patch/patches')
-rw-r--r--tools/patch/patches/070-don-t-fail-hard-on-EACCES-when-copying-xattrs.patch33
1 files changed, 33 insertions, 0 deletions
diff --git a/tools/patch/patches/070-don-t-fail-hard-on-EACCES-when-copying-xattrs.patch b/tools/patch/patches/070-don-t-fail-hard-on-EACCES-when-copying-xattrs.patch
new file mode 100644
index 0000000000..e19a9c0845
--- /dev/null
+++ b/tools/patch/patches/070-don-t-fail-hard-on-EACCES-when-copying-xattrs.patch
@@ -0,0 +1,33 @@
+From f42cbe1a91a3a6f79d1eec594ce7c72aec79179b Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Thomas=20Wei=C3=9Fschuh?= <thomas@t-8ch.de>
+Date: Wed, 9 Nov 2022 05:08:22 +0100
+Subject: [PATCH] don't fail hard on EACCES when copying xattrs
+
+On btrfs the xattr "btrfs.compressed" requires privileges to set,
+otherwise EACCES is returned.
+When patch tries to do copy this attribute it receives the error and
+aborts.
+---
+ src/util.c | 4 ++--
+ 1 file changed, 2 insertions(+), 2 deletions(-)
+
+--- a/src/util.c
++++ b/src/util.c
+@@ -182,7 +182,7 @@ copy_attr_error (struct error_context *c
+ int err = errno;
+ va_list ap;
+
+- if (err != ENOSYS && err != ENOTSUP && err != EPERM)
++ if (err != ENOSYS && err != ENOTSUP && err != EPERM && err != EACCES)
+ {
+ /* use verror module to print error message */
+ va_start (ap, fmt);
+@@ -284,7 +284,7 @@ set_file_attributes (char const *to, enu
+ }
+ if (attr & FA_XATTRS)
+ if (copy_attr (from, to) != 0
+- && errno != ENOSYS && errno != ENOTSUP && errno != EPERM)
++ && errno != ENOSYS && errno != ENOTSUP && errno != EPERM && errno != EACCES)
+ fatal_exit (0);
+ if (attr & FA_MODE)
+ {