new setup version; more modular

setup/zsh/setup.zsh

@@ -0,0 +1,54 @@
+#####################################################################
+
+function ZSH__SETUP() {
+    ZSH__SET_DEFAULT_SHELL
+	ZSH__SOURCE_RC
+	ZSH__SET_LOCAL_CONFIG
+}
+
+#####################################################################
+
+function ZSH__SET_DEFAULT_SHELL() {
+    local DEFAULT_SHELL=$(awk -F: -v user="$USER" '$1 == user {print $NF}' /etc/passwd)
+    CHECK 'setting zsh as default shell'
+    sudo chsh -s $(which zsh) $(whoami)>>$LOG 2>&1 \
+		&& OK || WARN 'failed to set zsh as default shell'
+}
+
+function ZSH__SOURCE_RC() {
+	local LOCAL_ZSHRC="$HOME/.zshrc";
+	local SOURCE_LINE="source $DOTWRYN_PATH/zsh/rc";
+
+	grep -q "^$SOURCE_LINE$" $LOCAL_ZSHRC && {
+		STATUS 'already set up zshrc'
+	} || {
+		CHECK 'setting up zshrc'
+		echo $SOURCE_LINE >> $LOCAL_ZSHRC \
+			&& OK || WARN
+	}
+}
+
+function ZSH__SET_LOCAL_CONFIG() {
+	local DEFAULT_CONFIG="$DOTWRYN_PATH/env/env.zsh"
+	local LOCAL_CONFIG="$HOME/.config/wryn/env/env.zsh"
+
+	[ -f $LOCAL_CONFIG ] && {
+		WARNING "local zsh env configuration ($LOCAL_CONFIG)"
+		USER_PROMPT 'overwrite? [y/N]'
+		READ_K yn
+		[[ $yn =~ ^[yY] ]] && {
+			CHECK "backing up local copy ($LOCAL_CONFIG.bak)"
+			mv "$LOCAL_CONFIG" "$LOCAL_CONFIG.bak" && OK || WARN
+		} || {
+			STATUS 'skipping'
+			return
+		}
+	}
+
+	CHECK "setting zsh configuration file ($LOCAL_CONFIG)"
+	{
+		echo "source $DEFAULT_CONFIG"
+		echo -e '\n#\n# .wryn configuration overrides\n#\n'
+		sed 's/[#]*\(.*\)/#\1/' $DEFAULT_CONFIG
+	} > $LOCAL_CONFIG && OK || WARN
+}