Allow template for inputrc to be updated and include terminal bell removal (#11)

Author: coretl

Dockerfile

@@ -35,11 +35,11 @@ ENV USER_TERMINAL_CONFIG=/user-terminal-config
 # and add hooks to all the files we reference
 # This can be overridden by the user mounting a different folder over the top
 RUN /root/terminal-config/ensure-user-terminal-config.sh && \
-    ln -fs $USER_TERMINAL_CONFIG/inputrc /root/.inputrc && \
     echo '/root/terminal-config/ensure-user-terminal-config.sh' >> /root/.bashrc && \
     echo 'source ${USER_TERMINAL_CONFIG}/bashrc' >> /root/.bashrc && \
     echo '/root/terminal-config/ensure-user-terminal-config.sh' > /root/.zshrc && \
-    echo 'source ${USER_TERMINAL_CONFIG}/zshrc' >> /root/.zshrc
+    echo 'source ${USER_TERMINAL_CONFIG}/zshrc' >> /root/.zshrc && \
+    ln -fs $USER_TERMINAL_CONFIG/inputrc /root/.inputrc
 
 # Install uv using the official image
 # See https://docs.astral.sh/uv/guides/integration/docker/#installing-uv

terminal-config/inputrc-default

@@ -0,0 +1,14 @@
+# Readline configuration for bash shell.
+
+# Incremental history searching with up and down arrows (C-P and C-N for old
+# style navigation).
+"\e[A": history-search-backward
+"\e[B": history-search-forward
+
+# Control left and right for word movement
+"\e[5C": forward-word
+"\e[5D": backward-word
+
+# Disable terminal bell, then set to visible if available
+set bell-style none
+set bell-style visible

terminal-config/inputrc-template

@@ -1,10 +1,12 @@
-# Readline configuration for bash shell.
+# This inputrc will be linked as /root/.inputrc and used in every terminal launch
+# in a devcontainer that uses the ubuntu-devcontainer as a base
+# https://github.com/DiamondLightSource/ubuntu-devcontainer
 
-# Incremental history searching with up and down arrows (C-P and C-N for old
-# style navigation).
-"\e[A": history-search-backward
-"\e[B": history-search-forward
+# This file is initialized by the devcontainer, but you are then free to edit it
 
-# Control left and right for word movement
-"\e[5C": forward-word
-"\e[5D": backward-word
+# Execute default, opinionated settings:
+# https://github.com/DiamondLightSource/ubuntu-devcontainer/blob/main/terminal-config/inputrc-default
+# delete this line to remove defaults
+$include ~/terminal-config/inputrc-default
+
+# add your override settings for every shell below