Cleanup Makefile and shell configs

Makefile

@@ -1,10 +1,19 @@
-Q	:= @
-ECHO	:= @echo
-LN	:= ln -sf
-MKDIR	:= ${Q}mkdir -p
-MV	:= ${Q}mv
+# Override on the command line, for example
+#   make Q=""
+# would print on the console all the commands being run, instead of just their outputs
+Q		:= @
 
-OMYZSH_GET	:= curl -L https://github.com/robbyrussell/oh-my-zsh/raw/master/tools/install.sh
+# The role of echo is to print, so never print the command itsef
+ECHO		:= @echo
+LN		:= ${Q}ln -sf
+MKDIR		:= ${Q}mkdir -p
+MV		:= ${Q}mv
+
+# Make sure that all files moved during this invokation of make get the same
+# timestamp.
+TS		:= $(shell date -Iseconds)
+
+OMYZSH_URL	:= https://github.com/robbyrussell/oh-my-zsh/raw/master/tools/install.sh
 VUNDLE_URL	:= https://github.com/gmarik/vundle.git
 
 .PHONY: help
@@ -36,10 +45,10 @@ bash: profile bashrc bash_aliases bash_logout
 zsh: profile zprofile zshrc oh-my-zsh/themes/lsambuc.zsh-theme
 oh-my-zsh/themes/lsambuc.zsh-theme: oh-my-zsh/themes/dir
 
-.PHONY: omz omz-setup
+.PHONY: omz
 omz:
-	${MV} $@ $@-$(shell date -Iseconds)
-	$(Q) $(OMYZSH_GET) | sh
+	${MV} "$@" "$@-${TS}"
+	${Q} ${CURL} "${OMYZSH_URL}" | sh
 
 .PHONY: vim vim/bundle/dir vimrc vim/filetype.vim vim/syntax
 vim: ~/.vim/bundle/vundle
@@ -49,8 +58,8 @@ vim: ~/.vim/bundle/vundle
 	${ECHO} Do not forget to install and set a Nerdfont enhanced font.
 
 ~/.vim/bundle/vundle: vim/bundle/dir vimrc vim/filetype.vim vim/syntax
-	${MV} $@ $@-$(shell date -Iseconds)
-	git clone ${VUNDLE_URL} $@
+	${MV} "$@" "$@-${TS}"
+	git clone "${VUNDLE_URL}" "$@"
 
 vim/filetype.vim vim/syntax: vim/dir
 
@@ -66,10 +75,10 @@ config/i3 config/i3status.conf: config/dir
 x11: Xdefaults xinitrc xsession
 
 %/dir:
-	${MKDIR} ~/.$(shell dirname $@)
+	${MKDIR} "~/.$(shell dirname $@)"
 
 %:
 	@# Prevent generating link within links to folders
-	${MV} ~/.$@ ~/.$@-$(shell date -Iseconds)
-	${LN} $(shell pwd)/_$@ ~/.$@
+	${MV} "~/.$@" "~/.$@-${TS}"
+	${LN} "$(shell pwd)/_$@" "~/.$@"
 

_bashrc

@@ -80,9 +80,9 @@ if [ -x /bin/dircolors ]; then
     alias ls='ls --color=auto'
 fi
 
-# Alias definitions.
-if [ -f ~/.bash_aliases ]; then
-    . ~/.bash_aliases
+# Alias definitions
+if [ -f "${HOME}/.bash_aliases" ]; then
+    . "${HOME}/.bash_aliases"
 fi
 
 #colorize stderr
@@ -90,28 +90,28 @@ function swapandcolorize()
 {
 #    "$@" 3>&2 2>&1 1>&3 | while read line
 #    do
-#	echo -e "\e[91m$line\e[0m"
+#        echo -e "\e[91m$line\e[0m"
 #    done
-    "$@" 3>&2 2>&1 1>&3 | perl -e 'while(<>) 
-	{
-		chomp;
-    #Print in LYELLOW and blue background xenomai stuff warning and such
-                if (m/^xenomai.+:\d+:(\d+:)?\s+warning.*/) 
-                {print "\033[1;45m".$_."\033[m\n"; next;}
+    "$@" 3>&2 2>&1 1>&3 | perl -e 'while(<>)
+    {
+        chomp;
+        #Print in LYELLOW and blue background xenomai stuff warning and such
+        if (m/^xenomai.+:\d+:(\d+:)?\s+warning.*/)
+        {print "\033[1;45m".$_."\033[m\n"; next;}
 
-	#Print in DARKBLUE forced warnings
-		if (m/.*\#warning.*/)
-		{print "\033[1;34m".$_."\033[m\n"; next;}
-	#Print in LYELLOW warning and such
-		if (m/.+:\d+:(\d+:)?\s+warning.*/) 
-		{print "\033[1;33m".$_."\033[m\n"; next;}
-	#print in LRED errors
-		if (m/.+:\d+:(\d+:)?\s+error.*/ ||
-		    m/.+:\d+:(\d+:)? undefined reference to `/) 
-		{print "\033[1;31m".$_."\033[m\n"; next;}
-	#Print in default colors
-		{print "\033[m".$_."\n"; next;}
-	};'
-	return ${PIPESTATUS[0]}
+        #Print in DARKBLUE forced warnings
+        if (m/.*\#warning.*/)
+        {print "\033[1;34m".$_."\033[m\n"; next;}
+        #Print in LYELLOW warning and such
+        if (m/.+:\d+:(\d+:)?\s+warning.*/)
+        {print "\033[1;33m".$_."\033[m\n"; next;}
+        #print in LRED errors
+        if (m/.+:\d+:(\d+:)?\s+error.*/ ||
+            m/.+:\d+:(\d+:)? undefined reference to `/)
+        {print "\033[1;31m".$_."\033[m\n"; next;}
+        #Print in default colors
+        {print "\033[m".$_."\n"; next;}
+    };'
+    return ${PIPESTATUS[0]}
 }
 export -f swapandcolorize

_profile

@@ -9,26 +9,25 @@
 #umask 022
 
 # When running bash
-if [ -n "$BASH_VERSION" ]; then
+if [ -n "${BASH_VERSION}" ]; then
     # include .bashrc if it exists
-    if [ -f "$HOME/.bashrc" ]; then
-        . "$HOME/.bashrc"
+    if [ -f "${HOME}/.bashrc" ]; then
+        . "${HOME}/.bashrc"
     fi
 fi
 
-
 # Add brew
-if [ -x /opt/homebrew/bin/brew ]; then
+if [ -x "/opt/homebrew/bin/brew" ]; then
     eval "$(/opt/homebrew/bin/brew shellenv)"
 fi
 
 # Add ~/bin
-if [ -e "$HOME/bin" ]; then
-    PATH="$HOME/bin:$PATH"
+if [ -e "${HOME}/bin" ]; then
+    PATH="${HOME}/bin:${PATH}"
 fi
 
 # Add cargo
-if [ -e "$HOME/.cargo/bin" ]; then
-    PATH="$HOME/.cargo/bin:$PATH"
+if [ -e "${HOME}/.cargo/bin" ]; then
+    PATH="${HOME}/.cargo/bin:${PATH}"
 fi
 

_zshrc

@@ -109,7 +109,7 @@ unsetopt correct_all
 export VISUAL=vi
 export EDITOR=vi
 
-# Alias definitions.
-if [ -f ~/.bash_aliases ]; then
-    . ~/.bash_aliases
+# Alias definitions
+if [ -f "${HOME}/.bash_aliases" ]; then
+    . "${HOME}/.bash_aliases"
 fi