Create /dev/fd symlink so anonymous pipes can be created

In order to support process substitution and anonymous pipes we need to ensure the /dev/fd path exists. Change-type: patch Signed-off-by: Kyle Harding <[email protected]>
balena-io-experimental · Nov 15, 2023 · 91bfde1 · 91bfde1
1 parent 3c4c916
commit 91bfde1
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/overlay/sbin/init b/overlay/sbin/init
@@ -6,6 +6,9 @@ exec 2>/dev/console
 chown root:tty /dev/console
 chmod 622 /dev/console
 
+# create symlink to /proc/self/fd
+ln -s /proc/self/fd /dev/fd
+
 ln -s /proc/self/fd/0 /dev/stdin
 ln -s /proc/self/fd/1 /dev/stdout
 ln -s /proc/self/fd/2 /dev/stderr