dotfiles script v0.3.1

- link .bash_completion on 'install'
- add option -q to 'link'
- modernize bash tests, use [[ ]] instead of [ ]

bin/dotfiles

@@ -2,7 +2,7 @@
 
 ##
 ## binaryDiv's dotfiles management script
-## Version 0.3.0
+## Version 0.3.1
 ##
 
 usage() {
@@ -21,6 +21,7 @@ usage() {
 	  ls [DIR]      list contents of .dotfiles directory (or DIR relative to it)
 	  diff FILE     use vimdiff to compare ~/FILE to ~/.dotfiles/FILE
 	  link FILE...  create a symlink from ~/FILE to ~/.dotfiles/FILE (multiple files possible)
+	                (-q: be quiet, only print something if an error occurs)
 
 	Synchronization:
 	  git ARGS...   wrapper for git (all arguments are passed on to git)
@@ -31,7 +32,7 @@ usage() {
 
 # Define root dir for dotfiles management (defaults to $HOME, can be overridden
 # with environment variables for debugging)
-if [ -z "$DOTFILESROOT" ]; then
+if [[ -z $DOTFILESROOT ]]; then
 	DOTFILESROOT="$HOME"
 fi
 
@@ -41,7 +42,7 @@ dotfilesdir="$DOTFILESROOT/.dotfiles"
 
 
 # Get command
-[ $# -gt 0 ] || { usage; exit 1; }
+[[ $# -gt 0 ]] || { usage; exit 1; }
 cmd=$1
 shift
 
@@ -57,11 +58,11 @@ case "$cmd" in
 		bin_target="$homedir/bin/dotfiles"
 		bin_dir="$homedir/bin"
 
-		if [ ! -e "$bin_target" ]; then
+		if [[ ! -e $bin_target ]]; then
-			echo "* Installing dotfiles script in $bin_dir/..."
+			echo "* Installing dotfiles script in $bin_dir/"
 			mkdir -pv "$bin_dir"
 			ln -sr "$bin_source" "$bin_target" || exit 1
-		elif [ ! "$(realpath $bin_target)" -ef "$bin_source" ]; then
+		elif [[ ! "$(realpath $bin_target)" -ef "$bin_source" ]]; then
 			echo "! Warning: File $bin_target already exists but is NOT a link to $bin_source"
 		fi
 
@@ -69,13 +70,20 @@ case "$cmd" in
 			echo "! Warning: $bin_dir is not in your PATH."
 		fi
 
-		echo "* Configuring git settings..."
+		# Activate bash completion
+		if [[ ! -e "$homedir/.bash_completion" ]]; then
+			echo "* Installing user-defined bash completion"
+			"$0" link -q .bash_completion &&
+				echo "  Restart bash or run 'source $homedir/.bash_completion' to activate it now"
+		fi
+
+		echo "* Configuring git settings"
 		git -C "$dotfilesdir" config merge.ff only
 	;;
 
 	ls)
 		lsdir="$dotfilesdir"
-		[ -n "$1" ] && lsdir="$lsdir/$1"
+		[[ -n $1 ]] && lsdir="$lsdir/$1"
 
 		echo "$lsdir:"
 		ls -lAh --color=auto "$lsdir"
@@ -84,11 +92,11 @@ case "$cmd" in
 	# TODO: Command 'status' or 'linkstatus' to show which files are linked and which are not
 
 	diff)
-		[ -n "$1" ] || { echo "$(basename $0) $cmd: Missing argument."; exit 1; }
+		[[ -n $1 ]] || { echo "$(basename $0) $cmd: Missing argument."; exit 1; }
 		file_A="$homedir/$1"
 		file_B="$dotfilesdir/$1"
 
-		if [ "$(realpath "$file_A")" -ef "$file_B" ]; then
+		if [[ "$(realpath "$file_A")" -ef "$file_B" ]]; then
 			echo "$file_A is a link to $file_B"
 		else
 			vimdiff "$file_A" "$file_B"
@@ -96,22 +104,27 @@ case "$cmd" in
 	;;
 
 	link)
-		[ -n "$1" ] || { echo "$(basename $0) $cmd: Missing argument."; exit 1; }
+		if [[ $1 = '-q' ]]; then
+			QUIET=1
+			shift
+		fi
+
+		[[ -n $1 ]] || { echo "$(basename $0) $cmd: Missing argument."; exit 1; }
 
 		for filename in "$@"; do
 			file_home="$homedir/$filename"
 			file_dotfiles="$dotfilesdir/$filename"
 
-			if [ ! -e "$file_dotfiles" ]; then
+			if [[ ! -e $file_dotfiles ]]; then
 				echo "! $file_dotfiles: target file does not exist"
 				exit 1
-			elif [ -e "$file_home" ]; then
+			elif [[ -e $file_home ]]; then
-				if [ ! "$(realpath "$file_home")" -ef "$file_dotfiles" ]; then
+				if [[ ! "$(realpath "$file_home")" -ef "$file_dotfiles" ]]; then
 					echo "! $file_home already exists but is NOT a link to $file_dotfiles, please fix manually"
 					exit 1
 				fi
 			else
-				echo "* Creating link $file_home -> $file_dotfiles"
+				[[ $QUIET ]] || echo "* Creating link $file_home -> $file_dotfiles"
 				ln -sr "$file_dotfiles" "$file_home" || exit 1
 			fi
 		done