config subcommand impl.

+ _reve/util_read_config {config_key}
+ _reve/util_write_config {config_key} {value}
+ _reve/util_delete_config {config_key}
+ let shellcheck know what we're sourcing

.gitignore

@@ -0,0 +1 @@
+testbench.sh

.shellcheckrc

@@ -0,0 +1 @@
+external-sources=true

_reve.sh

@@ -3,6 +3,10 @@
 # reve                              desktop environment framework
 # Yigid BALABAN <fyb@fybx.dev>                               2024
 
+# VERY CRITICAL: change this if install.sh is updated
+reve_installation="$HOME/.local/bin/reve"
+reve_config="$HOME/.config/reve"
+
 util_readf () {
     local filename=$1
 
@@ -13,3 +17,28 @@ util_readf () {
         return 1
     fi
 }
+
+util_read_config () {
+    local config_key=$1
+    pre_removed_key=${config_key/#base./}
+    config_path=$( echo "$pre_removed_key" | sed 's/\./\//g' )
+    util_readf "$reve_config/$config_path"
+    return $?
+}
+
+util_write_config () {
+    local config_key=$1 new_value=$2
+    pre_removed_key=${config_key/#base./}
+    config_path=$( echo "$pre_removed_key" | sed 's/\./\//g' )
+    mkdir -p "$( dirname "$reve_config/$config_path" )"
+    echo "$new_value" > "$reve_config/$config_path"
+}
+
+util_delete_config () {
+    local config_key=$1
+    pre_removed_key=${config_key/#base./}
+    config_path=$( echo "$pre_removed_key" | sed 's/\./\//g' )
+    rm "$reve_config/$config_path"
+    dir=$( dirname "$reve_config/$config_path")
+    [ -z "$( ls -A "$dir")" ] && rm -r "$dir"
+}

reve.sh

@@ -7,17 +7,6 @@ in_desktop_mode=""
 in_reason=""
 in_chore_name=""
 
-SHORTOPTS="h,m:r:c:w,"
-LONGOPTS="help,mode:,reason:,chore:,where"
-
-PARSED_OPTS=$(getopt --options $SHORTOPTS --longoptions $LONGOPTS --name "$0" -- "$@")
-if [[ $? -ne 0 ]]; then
-    echo "Failed to parse options."
-    exit 1
-fi
-
-eval set -- "$PARSED_OPTS"
-
 rt_script_dir=$(realpath "$(dirname "$0")")
 rt_has_mode_changed=0
 
@@ -28,15 +17,40 @@ reve_time_night="$reve_folder/time_night"
 
 reve_chores_mode="$rt_script_dir/chores/mode"
 
-source "$rt_script_dir/_reve"
+# bring reve utility functions to the context
+# shellcheck source=_reve.sh
+source "$rt_script_dir/_reve" >&/dev/null
+(( $? == 1 )) && source "$rt_script_dir/_reve.sh" # looks like we're in dev environment
 
 util_help () {
-    echo "Usage: $0 [options]"
-    echo "Options:"
-    echo "desktop_mode  (-m, --mode):   dark, light"
-    echo "reason        (-r, --reason): time, network"
-    echo "chore         (-c, --chore):  chore_name"
-    echo "where         (-w, --where):  returns where reve's installed"
+    local command="$1"
+
+    case $command in
+        reve|'')
+            echo "=> Usage: reve [command] OR reve [subcommand] [command]"
+            echo "== Commands =="
+            echo "mode      {desktop_mode}    sets desktop mode, accepts 'dark' or 'light'"
+            echo "reason    {reason}          run reve with reason, accepts 'network' or 'time'"
+            echo "chore     {chore_name}      run a single chore, accepts chore name"
+            echo "where                       returns where reve's installed"
+            echo "help      [subcommand]      shows help message"
+            echo "== Subcommands =="
+            echo "1. config                   gets/sets configuration values"
+            echo "2. update                   updates chores"
+            ;;
+        config)
+            echo "=> Usage"
+            echo "1. reve config get {config_key}            get the value stored in file"
+            echo "2. reve config set {config_key} {value}    set the value of file"
+            echo "3. reve config rm  {config_key}            delete the config file"
+            ;;
+        update)
+            echo "=> Usage: reve update [chore names...]       updates chores from upstream"
+            echo "== Details =="
+            echo "Updates all chores present on your configuration if nothing is given. The" 
+            echo "chore names must be space delimited."
+            ;;
+    esac
 }
 
 util_mkdirs () {
@@ -122,6 +136,27 @@ chores_mode () {
     done
 }
 
+sub_config () {
+    local config_key=$2
+    case "$1" in
+        get)
+            util_read_config "$config_key"
+            ;;
+        set)
+            util_write_config "$config_key" "$3"
+            ;;
+        rm|delete)
+            util_delete_config "$config_key"
+            ;;
+        "")
+            util_help config
+            ;;
+        *)
+            echo "[reve] [E] in subcommand config: '$1' is not a valid command"
+            ;;
+    esac
+}
+
 main () {
     if (( rt_has_mode_changed == 1 )) || [[ "$in_reason" == "chores_mode" ]]; then
         chores_mode
@@ -132,44 +167,42 @@ main () {
     fi
 }
 
-while true; do
-    case "$1" in
-        -h|--help)
-            util_help
+case "$1" in
+    config)
+        sub_config $2 $3 $4
         exit 0
         ;;
-        -m|--mode)
-            in_desktop_mode="$2"
-            shift 2
+    update)
+        sub_update
+        exit 0
         ;;
-        -r|--reason)
-            in_reason="$2"
-            shift 2
+    help)
+        util_help "$2"
+        exit 0
         ;;
-        -c|--chore)
-            in_chore_name="$2"
-            shift 2
-            ;;
-        -w|--where)
+    where)
         dirname "$( which reve )"
         exit 0
         ;;
-        --shell-completion)
+    shell-completion)
         in_shell_comp="$2"
-            shift 2
         f_shell_completion
         exit 0
         ;;
-        --)
-            shift
-            break
+    mode)
+        in_desktop_mode="$2"
+        ;;
+    reason)
+        in_reason="$2"
+        ;;
+    chore)
+        in_chore_name="$2"
         ;;
     *)
-            echo "Invalid option: $1"
+        echo "Invalid command or subcommand: $1"
         exit 1
         ;;
-    esac
-done
+esac
 
 prepare
 main