pseudo: Add pathfix patch

Add a path to fix up handling of dirfd being passed as a full file
and with path="".

(From OE-Core rev: 07ca0b87e0fa3f783ecce7f09f8800b1a6eb668e)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
(cherry picked from commit 3006bbe7768e4efe33d3d2d3f5786a561ecbe96f)
Signed-off-by: Steve Sakoman <steve@sakoman.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

2 files changed, 26 insertions, 0 deletions

diff --git a/meta/recipes-devtools/pseudo/files/pathfix.patch b/meta/recipes-devtools/pseudo/files/pathfix.patch
new file mode 100644
index 0000000000..b3e63fa28f
--- /dev/null
+++ b/meta/recipes-devtools/pseudo/files/pathfix.patch
@@ -0,0 +1,25 @@
+We're seeing systems in the wild (e.g. ubuntu 20.04) which call
+with a dirfd set to the full filename and path set to "". Since
+this seems to be expected to work, handle it accordingly.
+
+Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
+Upstream-Status: Pending
+
+Index: git/pseudo_client.c
+===================================================================
+--- git.orig/pseudo_client.c
++++ git/pseudo_client.c
+@@ -1549,8 +1549,12 @@ base_path(int dirfd, const char *path, i
+ 
+        if (!path)
+                return NULL;
+-       if (!*path)
++
++       if (!*path) {
++               if (dirfd != -1 && dirfd != AT_FDCWD)
++                       return fd_path(dirfd);
+                return "";
++       }
+ 
+        if (path[0] != '/') {
+                if (dirfd != -1 && dirfd != AT_FDCWD) {
diff --git a/meta/recipes-devtools/pseudo/pseudo_git.bb b/meta/recipes-devtools/pseudo/pseudo_git.bb
index c5040f5f7f..bc20a2f134 100644
--- a/meta/recipes-devtools/pseudo/pseudo_git.bb
+++ b/meta/recipes-devtools/pseudo/pseudo_git.bb
@@ -8,6 +8,7 @@ SRC_URI = "git://git.yoctoproject.org/pseudo;branch=oe-core \
            file://track_link_fds.patch \
            file://xattr_fix.patch \
            file://mayunlink.patch \
+           file://pathfix.patch \
            file://fallback-passwd \
            file://fallback-group \
            "