General restructuring and created flags

easy_setup.sh

@@ -1,17 +1,90 @@
 #!/usr/bin/env bash
 echoerr() { echo "$@" >&2; }
+appendshell() {
+	case "$1" in
+		start)
+			add='echo "Setting up DotBot. Please do not ^C." >&2;'
+			;;
+		mkprefix)
+			add="mkdir -p $2; cd $2;"
+			;;
+		gitinit)
+			add='git init;'
+			;;
+		gitaddsub)
+			add='git submodule add https://github.com/anishathalye/dotbot;'
+			;;
+		gitinstallinstall)
+			add='cp dotbot/tools/git-submodule/install .;'
+			;;
+		ensureparentdirs)
+			add="mkdir -p $2; rmdir $2;"
+			;;
+		mv)
+			add="mv $2 $3;"
+			;;
+		echoconfig)
+			add='echo -e "'$2'" > '$3';'
+			;;
+		runinstaller)
+			add='./install;'
+			;;
+		gitinitialcommit)
+			add='git add -A; git commit -m "Initial commit";'
+			;;
+
+	esac
+	setupshell=$setupshell' '$add
+}
 
 testmode=0;
+verboseconf=0;
+dumpconf=0;
+preview=1;
 
-case "$1" in
+while [ $# -ne 0 ]; do
-	test)
+	case "$1" in
-		testmode=1;
+		test)
-		echoerr "Test mode enabled."
+			testmode=1;
-esac
+			echoerr "Test mode enabled."
+			;;
+		no-test)
+			testmode=0;
+			echoerr "Test mode disabled."
+			;;
+		verbose-config)
+			verboseconf=1;
+			echoerr "Verbose configuration file active."
+			;;
+		no-verbose-config)
+			verboseconf=0;
+			echoerr "Concise configuration file active."
+			;;
+		dump-config)
+			dumpconf=1;
+			echoerr "Will dump config to stdout."
+			;;
+		no-dump-config)
+			dumpconf=0;
+			echoerr "Will not dump config to stdout."
+			;;
+		preview)
+			preview=1;
+			echoerr "Will show commands to be executed."
+			;;
+		no-preview)
+			preview=0;
+			echoerr "Will not show commands to be executed."
+			;;
+		*)
+			echoerr "Unfamiliar configuration option"
+	esac
+	shift
+done
 
 paths=('~/.profile' '~/.bash_profile' '~/.bashrc' '~/.bash_logout' '~/.gitconfig' '~/.ssh/config' '~/.tmux.conf' '~/.vimrc' '~/.vim/vimrc' '~/.zprofile' '~/.zshenv' '~/.zshrc' '~/bin' '~/.Xmodmap' '~/.Xresources' '~/.Xdefaults' '~/.vimperatorrc' '~/.xinitrc' '~/.i3' '~/.i3status.conf' '~/.config/awesome' '~/.config/pianobar' '~/.config/vimprobable' '~/.config/redshift' '~/.config/openbox' '~/.config/tint2')
 
-setupshell='echo "Setting up DotBot. Please do not ^C." >&2'
+setupshell=''
 dotclean=''
 dotlink=''
 dotshell=''
@@ -23,6 +96,8 @@ echoerr;
 echoerr "At any time, press ^C to quit. No changes will be made until you confirm."
 echoerr;
 
+appendshell start
+
 prefix="~/.dotfiles"
 prefixfull="${prefix/\~/${HOME}}"
 
@@ -33,11 +108,10 @@ else
 fi
 
 
-moveon=0;
+while true; do
-until (( $moveon )); do
 	read -p "Where do you want your dotfiles repository to be? ($prefix) " answer
-	if echo "$answer" | grep -q "^$" ; then
+	if [ -z $answer ]; then
-		moveon=1
+		break
 	else
 		echoerr "FEATURE NOT YET SUPPORTED."
 		echoerr "Sorry for misleading you."
@@ -45,37 +119,51 @@ until (( $moveon )); do
 	fi
 done
 
-setupshell=$setupshell'; mkdir -p '$prefix'; cd '$prefix'; git init'
+appendshell mkprefix $prefix
+appendshell gitinit
 
-moveon=0;
+while true; do
-until (( $moveon )); do
 	read -p "Shall we add DotBot as a submodule (a good idea)? (Y/n) " answer
-	if echo "$answer" | grep -iq "^y" || echo "$answer" | grep -q "^$" ; then
+	if [ -z $answer ]; then
-		echoerr "Will do."
+		answer='y'
-		setupshell=$setupshell'; git submodule add https://github.com/anishathalye/dotbot; cp dotbot/tools/git-submodule/install .'
-		moveon=1
-	elif echo "$answer" | grep -iq "^n"; then
-		echoerr "Okay, I shall not. You will need to manually set up your install script."
-		moveon=1
-		installerrun=0;
-	else
-		echoerr "Answer not understood: ${answer}"
 	fi
+	case "$answer" in
+		Y*|y*)
+			echoerr "Will do."
+			appendshell gitaddsub
+			appendshell gitinstallinstall
+			break
+			;;
+		N*|n*)
+			echoerr "Okay, I shall not. You will need to manually set up your install script."
+			installerrun=0;
+			break
+			;;
+		*)
+			echoerr "Answer not understood: ${answer}"
+			;;
+	esac
 done
 
-moveon=0;
+while true; do
-until (( $moveon )); do
 	read -p "Do you want DotBot to clean ~/ of broken links added by DotBot? (recommended) (Y/n) " answer
-	if echo "$answer" | grep -iq "^y" || echo "$answer" | grep -q "^$" ; then
+	if [ -z $answer ]; then
-		echoerr "I will ask DotBot to clean."
+		answer='y'
-		dotclean="- clean: ['~']"
-		moveon=1
-	elif echo "$answer" | grep -iq "^n"; then
-		echoerr "Not asking DotBot to clean."
-		moveon=1
-	else
-		echoerr "Answer not understood: ${answer}"
 	fi
+	case "$answer" in
+		Y*|y*)
+			echoerr "I will ask DotBot to clean."
+			dotclean="- clean: ['~']"
+			break
+			;;
+		N*|n*)
+			echoerr "Not asking DotBot to clean."
+			break
+			;;
+		*)
+			echoerr "Answer not understood: ${answer}"
+			;;
+	esac
 done
 
 
@@ -87,20 +175,25 @@ for item in ${paths[*]}
 do
 	fullname="${item/\~/$HOME}"
 	if [ -f $fullname ] || [ -d $fullname ]; then
-		moveon=0;
+		while true; do
-		until (( $moveon )); do
 			read -p "I found ${item}, do you want to DotBot it? (Y/n) " answer
-			if echo "$answer" | grep -iq "^y" || echo "$answer" | grep -q "^$" ; then
+			if [ -z $answer ]; then
-				linksection[$i]=$item;
+				answer='y'
-				i=$i+1
-				echoerr "DotBotted!"
-				moveon=1
-			elif echo "$answer" | grep -iq "^n"; then
-				echoerr "Not added to DotBot."
-				moveon=1
-			else
-				echoerr "Answer not understood: ${answer}"
 			fi
+			case "$answer" in
+				Y*|y*)
+					linksection[$i]=$item;
+					i=$i+1
+					echoerr "DotBotted!"
+					break
+					;;
+				N*|n*)
+					echoerr "Not added to DotBot."
+					break
+					;;
+				*)
+					echoerr "Answer not understood: ${answer}"
+			esac
 		done
 	fi
 done
@@ -124,66 +217,97 @@ do
 	else
 		itempath=${itempath:$firstslash};
 	fi
-	new_entry=$newline$hspace$item':'
+	nextslash=`expr index "$itempath" /`
-	new_entry=$new_entry$newline$hspace$hspace'path: '$itempath
+	if [[ $nextslash -gt 0 ]]; then
-	new_entry=$new_entry$newline$hspace$hspace'create: true'
+		entryisdir='true';
-	new_entry=$new_entry$newline$hspace$hspace'relink: false'
+	else
-	new_entry=$new_entry$newline$hspace$hspace'force: false'
+		entryisdir='false';
+	fi
+	if (( $verboseconf )); then
+		new_entry=$newline$hspace$item':'
+		new_entry=$new_entry$newline$hspace$hspace'path: '$itempath
+		new_entry=$new_entry$newline$hspace$hspace'create: '$entryisdir
+		new_entry=$new_entry$newline$hspace$hspace'relink: false'
+		new_entry=$new_entry$newline$hspace$hspace'force: false'
+	elif [[ $entryisdir = 'false' ]]; then
+		new_entry=$newline$hspace$item': '$itempath
+	else
+		new_entry=$newline$hspace$item':'
+		new_entry=$new_entry$newline$hspace$hspace'path: '$itempath
+		new_entry=$new_entry$newline$hspace$hspace'create: '$entryisdir
+	fi
 
-	setupshell=$setupshell'; mkdir -p '$itempath'; rmdir '$itempath'; mv '$item' '$itempath
+	appendshell ensureparentdirs $itempath;
+	appendshell mv $item $itempath
 	dotlink="$dotlink$new_entry"
 done
 
 export installconfyaml="$dotclean$newline$newline$dotlink$newline$newline$dotshell"
 
-setupshell=$setupshell'; echo -e "'$installconfyaml'" > install.conf.yaml'
+appendshell echoconfig "$installconfyaml" 'install.conf.yaml'
 
 
-moveon=0;
+while (( $installerrun )); do
-installerrun=1;
-until (( $moveon )); do
 	read -p "Shall I run the installer? (Necessary to git commit) (Y/n) " answer
-	if echo "$answer" | grep -iq "^y" || echo "$answer" | grep -q "^$" ; then
+	if [ -z $answer ]; then
-		echoerr "Will do."
+		answer='y'
-		setupshell=$setupshell'; ./install'
-		moveon=1
-	elif echo "$answer" | grep -iq "^n"; then
-		echoerr "Okay, I shall not. You will need to take care of that yourself."
-		moveon=1
-		installerrun=0;
-	else
-		echoerr "Answer not understood: ${answer}"
 	fi
+	case "$answer" in
+		Y*|y*)
+			echoerr "Will do."
+			appendshell runinstaller
+			break
+			;;
+		N*|n*)
+			echoerr "Okay, I shall not. You will need to take care of that yourself."
+			installerrun=0;
+			break
+			;;
+		*)
+			echoerr "Answer not understood: ${answer}"
+			;;
+	esac
 done
 
-moveon=0;
+while (( $installerrun )); do
-until (( $moveon )) || ! (( $installerrun )); do
 	read -p "Shall I make the initial commit? (Y/n) " answer
-	if echo "$answer" | grep -iq "^y" || echo "$answer" | grep -q "^$" ; then
+	if [ -z $answer ]; then
-		echoerr "Will do."
+		answer='y'
-		setupshell=$setupshell'; git add -A; git commit -m "Initial commit"'
-		moveon=1
-	elif echo "$answer" | grep -iq "^n"; then
-		echoerr "Okay, I shall not. You will need to take care of that yourself."
-		moveon=1
-	else
-		echoerr "Answer not understood: ${answer}"
 	fi
+	case "$answer" in
+		Y*|y*)
+			echoerr "Will do."
+			appendshell gitinitialcommit
+			break
+			;;
+		N*|n*)
+			echoerr "Okay, I shall not. You will need to take care of that yourself."
+			break
+			;;
+		*)
+			echoerr "Answer not understood: ${answer}"
+			;;
+	esac
 done
 
 echoerr;
-if ! (( $testmode )); then
+if (( $dumpconf )); then
-	echo $dotlink
+	echo -e "$dotlink"
+	echoerr
 fi
-echoerr
 echoerr "The below are the actions that will be taken to setup DotBot."
 if (( $testmode )); then
 	echoerr "Just kidding. They won't be."
 fi
 
-echoerr $setupshell
+if (( $preview )); then
+	echoerr $setupshell
+	warningmessage='If you do not see a problem with the above commands, press enter. '
+else
+	warningmessage=''
+fi
 
-read -p "If you do not see a problem with the above commands, press enter. This is your last chance to press ^C before actions are taken that should not be interrupted. "
+read -p "${warningmessage}This is your last chance to press ^C before actions are taken that should not be interrupted. "
 
 if ! (( $testmode )); then
 	eval $setupshell