Add BASH history feature

Author: Richard Cunningham

src/terminal-history/devcontainer-feature.json

@@ -0,0 +1,25 @@
+{
+    "name": "BASH terminal auto history configuration",
+    "id": "BASH",
+    "version": "1.0.0",
+    "containerEnv": {
+        "CONFIG_FOLDER": "/devcontainer_rc",
+        "CONFIG_STAGING": "/devcontainer_staging"
+    },
+    "description": "Make default BASH terminal nicer.",
+    // "options": {
+    //     "host_config_folder": {
+    //         "type": "string",
+    //         "default": "${localEnv:HOME}/.config/devcontainer_rc",
+    //         "description": "host folder for devcontainer shell configuration"
+    //     }
+    // },
+    "mounts": [
+        {
+            "source": "${localEnv:HOME}/.config/devcontainer_rc",
+            "target": "/devcontainer_rc",
+            "type": "bind"
+        }
+    ],
+    "onCreateCommand": "bash /devcontainer_staging/onCreateCommand.sh"
+}

src/terminal-history/install.sh

@@ -0,0 +1,66 @@
+#!/bin/bash
+
+mkdir -p $CONFIG_STAGING
+
+# -------------------------------------------------------------------------------
+cat > $CONFIG_STAGING/onCreateCommand.sh  \
+<< EOF
+#!/bin/bash
+
+# copy in the opinionated default settings from the feature
+cp $CONFIG_STAGING/feature_settings_rc $CONFIG_FOLDER/feature_settings_rc
+
+# copy in the user editable settings unless they already exist
+if [[ ! -f $CONFIG_FOLDER/bashrc ]] ; then
+    cp $CONFIG_STAGING/bashrc $CONFIG_FOLDER    
+    cp $CONFIG_STAGING/inputrc $CONFIG_FOLDER
+fi
+
+# hook in the config to the root account
+ln -s $CONFIG_FOLDER/inputrc /root/.inputrc
+echo "source $CONFIG_FOLDER/bashrc" >> /root/.bashrc
+EOF
+
+# -------------------------------------------------------------------------------
+cat > $CONFIG_STAGING/inputrc  \
+<< EOF
+# 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
+EOF
+
+# -------------------------------------------------------------------------------
+cat > $CONFIG_STAGING/bashrc  \
+<< EOF
+#!/bin/bash
+
+# execute default opinionated settings - delete this line to remove defaults
+source $CONFIG_FOLDER/feature_settings_rc
+
+# add your personal custom settings below
+EOF
+
+# -------------------------------------------------------------------------------
+cat > $CONFIG_STAGING/feature_settings_rc  \
+<< EOF
+#!/bin/bash
+
+# default opinioned bash configuration
+
+# set the prompt
+export PS1="\[\033[1;34m\]\W \[\033[0m\]# "
+
+# enable enternal shared history
+export HISTCONTROL=ignoreboth:erasedups
+export HISTFILESIZE=-1
+export SAVEHIST=-1
+export HISTFILE=$CONFIG_FOLDER/.bash_eternal_history
+PROMPT_COMMAND="history -a; $PROMPT_COMMAND"
+EOF