Merge pull request #10 from handcraftsman/master

provide cleaner output where tput doesn't exist

VERSION

@@ -1 +1 @@
-1.0.14
+1.0.15

bin/gvm

@@ -1,12 +1,16 @@
 #!/bin/bash
 if [ -z "$GVM_ROOT" ]; then
-	tput sgr0
-	tput setaf 1
+	if [ command -v tput >/dev/null 2>&1 ]; then
+		tput sgr0
+		tput setaf 1
+	fi
 	echo 'ERROR: $GVM_ROOT is not set! Please add the following line to your .bashrc or .profile
 
 	[[ -s "$HOME/.gvm/scripts/gvm" ]] && source "$HOME/.gvm/scripts/gvm"
 ' >&2
-	tput sgr0
+	if [ command -v tput >/dev/null 2>&1 ]; then
+		tput sgr0
+	fi
 	exit 1
 fi
 

binscripts/gvm-installer

@@ -1,9 +1,13 @@
 #!/bin/bash
 display_error() {
-	tput sgr0
-	tput setaf 1
-	echo "ERROR: $1"
-	tput sgr0
+	if [ command -v tput >/dev/null 2>&1 ]; then
+		tput sgr0
+		tput setaf 1
+		echo "ERROR: $1"
+		tput sgr0
+	else
+		echo "ERROR: $1"
+	fi
 	exit 1
 }
 

scripts/completion

@@ -1,7 +1,7 @@
+. $GVM_ROOT/scripts/functions/tools
+
 _gvm() 
 {
-	LS_PATH=`which ls` || return 1
-
 	local cur prev opts base
 	COMPREPLY=()
 	cur="${COMP_WORDS[COMP_CWORD]}"
@@ -58,7 +58,7 @@ _gvm()
 		install)
 			[ ! -d $GVM_ROOT/archive/go ] && return 1
 			[[ $COMP_CWORD > 2 ]] && return 1
-			local version=$(for x in `hg tags -R $GVM_ROOT/archive/go | awk '{print $1}' | grep -E "release|tip"`; do echo ${x} ; done )
+			local version=$(for x in `hg tags -R $GVM_ROOT/archive/go | awk '{print $1}' | $GREP_PATH -E "release|tip"`; do echo ${x} ; done )
 			COMPREPLY=( $(compgen -W "${version}" -- ${cur}) )
 			return 0
 		;;

scripts/diff

@@ -1,27 +1,26 @@
 #!/bin/bash
 . $GVM_ROOT/scripts/functions
-LS_PATH=`which ls` || display_error "$LS_ERROR" || return 1
 
 version=$1
 
 if [ "$version" != "" ]; then
-	fuzzy_match=`$LS_PATH $GVM_ROOT/gos | sort | grep "$version" | head -n 1 | grep "$version"` ||
+	fuzzy_match=`$LS_PATH $GVM_ROOT/gos | $SORT_PATH | $GREP_PATH "$version" | $HEAD_PATH -n 1 | $GREP_PATH "$version"` ||
 		display_error "Invalid version $version"
 
 	foldername=$GVM_ROOT/gos/$fuzzy_match
 else
-	if [ "$gvm_go_name" != "" ]; then
+	if [[ "$gvm_go_name" != "" ]]; then
 		foldername=$GVM_ROOT/gos/$gvm_go_name
 	else
 		display_error "No version selected"
 	fi
 fi
 
-if [ -d $foldername ]; then
+if [[ -d $foldername ]]; then
 	cd $foldername
 	find . > /tmp/manifest.test
 	diff manifest /tmp/manifest.test
-	if [ "$?" == "0" ]; then
+	if [[ "$?" == "0" ]]; then
 		display_message "Clean $foldername"
 	else
 		display_message "*Dirty* $foldername"

scripts/env/gvm

@@ -1,9 +1,13 @@
 #!/bin/bash
 function display_error() {
-	tput sgr0
-	tput setaf 1
-	echo "ERROR: $1" >&2
-	tput sgr0
+	if [ command -v tput >/dev/null 2>&1 ]; then
+		tput sgr0
+		tput setaf 1
+		echo "ERROR: $1" >&2
+		tput sgr0
+	else
+		echo "ERROR: $1" >&2
+	fi
 	return 1
 }
 
@@ -27,13 +31,13 @@ function gvm() {
 	mkdir -p $GVM_ROOT/archive/package > /dev/null 2>&1
 	mkdir -p $GVM_ROOT/environments > /dev/null 2>&1
 
-	if [ "$1" == "use" ]; then
+	if [[ "$1" == "use" ]]; then
 		. $GVM_ROOT/scripts/env/use
 		shift
 		gvm_use $@
-	elif [ "$1" == "implode" ]; then
+	elif [[ "$1" == "implode" ]]; then
 		rm -rf $GVM_ROOT
-	elif [ "$1" == "pkgset" ] && [ "$2" == "use" ]; then
+	elif [[ "$1" == "pkgset" ]] && [[ "$2" == "use" ]]; then
 		. $GVM_ROOT/scripts/env/pkgset-use
 		shift
 		shift

scripts/env/pkgset-use

@@ -1,32 +1,38 @@
 #!/bin/bash
-. $GVM_ROOT/scripts/function/errors
+. $GVM_ROOT/scripts/function/tools
 
 function display_error() {
-	tput sgr0
-	tput setaf 1
-	echo "ERROR: $1" >&2
-	tput sgr0
+	if [ command -v tput >/dev/null 2>&1 ]; then
+		tput sgr0
+		tput setaf 1
+		echo "ERROR: $1" >&2
+		tput sgr0
+	else
+		echo "ERROR: $1" >&2
+	fi
 	return 1
 }
 
 function display_message() {
-	# GREEN!
-	tput sgr0
-	tput setaf 2
-	echo "$1"
-	tput sgr0
+	if [ command -v tput >/dev/null 2>&1 ]; then
+		# GREEN!
+		tput sgr0
+		tput setaf 2
+		echo "$1"
+		tput sgr0
+	else
+		echo "$1"
+	fi
 }
 
 function gvm_pkgset_use() {
-	LS_PATH=`which ls` || display_error "$LS_ERROR" || return 1
-
 	[[ "$1" != "" ]] ||
 		display_error "Please specify a package set" || return 1
 
 	[[ "$gvm_go_name" != "" ]] || 
 		display_error "No Go version selected" || return 1
 
-	fuzzy_match=`$LS_PATH $GVM_ROOT/environments | sort | grep "$gvm_go_name@" | grep "$1" | head -n 1` ||
+	fuzzy_match=`$LS_PATH $GVM_ROOT/environments | $SORT_PATH | $GREP_PATH "$gvm_go_name@" | $GREP_PATH "$1" | $HEAD_PATH -n 1` ||
 		display_error "Invalid package set" || return 1
 
 	export PATH=$GVM_PATH_BACKUP

scripts/env/use

@@ -1,28 +1,34 @@
 #!/bin/bash
-. $GVM_ROOT/scripts/function/errors
+. $GVM_ROOT/scripts/function/tools
 
 function display_error() {
-	tput sgr0
-	tput setaf 1
-	echo "ERROR: $1" >&2
-	tput sgr0
+	if [ command -v tput >/dev/null 2>&1 ]; then
+		tput sgr0
+		tput setaf 1
+		echo "ERROR: $1" >&2
+		tput sgr0
+	else
+		echo "ERROR: $1" >&2
+	fi
 	return 1
 }
 
 function display_message() {
-	# GREEN!
-	tput sgr0
-	tput setaf 2
-	echo "$1"
-	tput sgr0
+	if [ command -v tput >/dev/null 2>&1 ]; then
+		# GREEN!
+		tput sgr0
+		tput setaf 2
+		echo "$1"
+		tput sgr0
+	else
+		echo "$1"
+	fi
 }
 
 function gvm_use() {
-	LS_PATH=`which ls` || display_error "$LS_ERROR" || return 1
-
 	[[ "$1" != "" ]] || 
 		display_error "Please specifiy the version" || return 1
-	fuzzy_match=`$LS_PATH $GVM_ROOT/gos | sort | grep "$1" | head -n 1 | grep "$1"` ||
+	fuzzy_match=`$LS_PATH $GVM_ROOT/gos | $SORT_PATH | $GREP_PATH "$1" | $HEAD_PATH -n 1 | $GREP_PATH "$1"` ||
 		display_error "Invalid version $1" || return 1
 
 	export PATH=$GVM_PATH_BACKUP

scripts/function/display_error

@@ -1,8 +1,12 @@
 display_error() {
-	tput sgr0
-	tput setaf 1
-	echo "ERROR: $1" >&2
-	tput sgr0
+	if [ command -v tput >/dev/null 2>&1 ]; then
+		tput sgr0
+		tput setaf 1
+		echo "ERROR: $1" >&2
+		tput sgr0
+	else
+		echo "ERROR: $1" >&2
+	fi
 	exit 1
 }
 

scripts/function/display_message

@@ -1,7 +1,11 @@
 display_message() {
-	# GREEN!
-	tput sgr0
-	tput setaf 2
-	echo "$1"
-	tput sgr0
+	if [ command -v tput >/dev/null 2>&1 ]; then
+		# GREEN!
+		tput sgr0
+		tput setaf 2
+		echo "$1"
+		tput sgr0
+	else
+		echo "$1"
+	fi
 }

scripts/function/display_warning

@@ -1,7 +1,11 @@
 display_warning() {
-	# YELLOW!
-	tput sgr0
-	tput setaf 3
-	echo "$1"
-	tput sgr0
+	if [ command -v tput >/dev/null 2>&1 ]; then
+		# YELLOW!
+		tput sgr0
+		tput setaf 3
+		echo "$1"
+		tput sgr0
+	else
+		echo "WARNING: $1"
+	fi
 }

scripts/function/errors

@@ -1 +0,0 @@
-LS_ERROR="Couldn't find ls"

scripts/function/tools

@@ -0,0 +1,11 @@
+#!/bin/bash
+LS_ERROR="Couldn't find ls"
+GREP_ERROR="Couldn't find grep"
+SORT_ERROR="Couldn't find sort"
+HEAD_ERROR="Couldn't find head"
+
+LS_PATH=`unalias ls &> /dev/null; which ls` || display_error "$LS_ERROR" || return 1
+GREP_PATH=`unalias grep &> /dev/null; which grep` || display_error "$GREP_ERROR" || return 1
+SORT_PATH=`unalias sort &> /dev/null; which sort` || display_error "$SORT_ERROR" || return 1
+HEAD_PATH=`unalias head &> /dev/null; which head` || display_error "$HEAD_ERROR" || return 1
+

scripts/install

@@ -10,7 +10,7 @@ function show_usage() {
 
 read_command_line() {
 	VERSION=$1
-	if [ "${VERSION:0:1}" != "-" ]; then
+	if [[ "${VERSION:0:1}" != "-" ]]; then
 		shift
 	else
 		display_warning "Invalid version: $1"
@@ -41,14 +41,14 @@ read_command_line() {
 
 download_source() {
 	GO_CACHE_PATH=$GVM_ROOT/archive/go
-	[ -d $GO_CACHE_PATH ] && return
+	[[ -d $GO_CACHE_PATH ]] && return
 	display_message "Downloading Go source..."
 	hg clone $GO_SOURCE_URL $GO_CACHE_PATH >> $GVM_ROOT/logs/go-download.log  2>&1 ||
 		display_error "Couldn't download Go source"
 }
 
 check_tag() {
-	version=`hg tags -R $GO_CACHE_PATH | awk '{print $1}' | sort | grep "$VERSION" | head -n 1 | grep "$VERSION"`
+	version=`hg tags -R $GO_CACHE_PATH | awk '{print $1}' | $SORT_PATH | $GREP_PATH "$VERSION" | $HEAD_PATH -n 1 | $GREP_PATH "$VERSION"`
 }
 
 update_source() {
@@ -94,8 +94,8 @@ install_go() {
 	trap 'rm -rf $GO_INSTALL_ROOT; display_error "Canceled!"' INT
 
 	# Check for existing install
-	if [ -d "$GO_INSTALL_ROOT" ]; then
-		[ -f "$GO_INSTALL_ROOT/manifest" ] &&
+	if [[ -d "$GO_INSTALL_ROOT" ]]; then
+		[[ -f "$GO_INSTALL_ROOT/manifest" ]] &&
 			display_error "Already installed!"
 		display_warning "Removing corrupt install..."
 		gvm uninstall $version
@@ -142,7 +142,7 @@ install_goprotobuf() {
 main() {
 	trap 'display_error "Canceled!"' INT
 	read_command_line $@
-	[ "$VERSION" == "" ] && display_error "No version specified"
+	[[ "$VERSION" == "" ]] && display_error "No version specified"
 	download_source
 	check_tag || (update_source && check_tag) || display_error "Unrecognized Go version"
 	install_go
@@ -150,11 +150,11 @@ main() {
 	GVM_GOINSTALL="goinstall"
 	which goinstall &> /dev/null ||
 		GVM_GOINSTALL="go get"
-	x="`hg tags -R ~/.gvm/archive/go`"; echo ${x#*b0819469a6df} | grep "$version " &> /dev/null
+	x="`hg tags -R ~/.gvm/archive/go`"; echo ${x#*b0819469a6df} | $GREP_PATH "$version " &> /dev/null
 	if [[ "$?" == "1" ]]; then
 		install_gb || display_warning "Failed to install gb"
 		install_gpkg || display_warning "Failed to install gpkg"
-		if [ "$INSTALL_PB" == "true" ]; then
+		if [[ "$INSTALL_PB" == "true" ]]; then
 			install_goprotobuf
 		fi
 	fi

scripts/list

@@ -1,11 +1,10 @@
 #!/bin/bash
 . $GVM_ROOT/scripts/functions
-LS_PATH=`which ls` || display_error "$LS_ERROR" || return 1
 
 echo
 display_message "gvm gos (installed)"
 echo
-if [ -d $GVM_ROOT/gos ]; then
+if [[ -d $GVM_ROOT/gos ]]; then
 	if [[ "$gvm_go_name" != "" ]]; then
 		$LS_PATH -1 $GVM_ROOT/gos | sed 's/^/   /g' | sed 's/^   '$gvm_go_name'/=> '$gvm_go_name'/g'
 	else

scripts/listall

@@ -32,7 +32,7 @@ read_command_line $@
 echo
 display_message "gvm gos (available)"
 echo
-versions=`curl -s https://go.googlecode.com/hg/.hgtags | awk '{ print $2 }' | grep "$tag_filter" | sort`
+versions=`curl -s https://go.googlecode.com/hg/.hgtags | awk '{ print $2 }' | $GREP_PATH "$tag_filter" | $SORT_PATH`
 if [[ $? -ne 0 ]]; then
 	display_error "Failed to get version list from Google"
 fi

scripts/pkgset

@@ -9,7 +9,7 @@
 	display_error "Missing package set folder for this Go version"
 
 command=$1
-if [ -f $GVM_ROOT/scripts/pkgset-$command ]; then
+if [[ -f $GVM_ROOT/scripts/pkgset-$command ]]; then
 	shift
   $GVM_ROOT/scripts/pkgset-$command $@
 elif [[ -n $command ]]; then

scripts/pkgset-list

@@ -5,7 +5,7 @@ echo
 display_message "gvm go package sets ($gvm_go_name)"
 echo
 
-if [ -d $GVM_ROOT/pkgsets/$gvm_go_name ]; then
+if [[ -d $GVM_ROOT/pkgsets/$gvm_go_name ]]; then
 	for cur_dir in $GVM_ROOT/pkgsets/$gvm_go_name/*; do
 		[[ "$cur_dir" == "$GVM_ROOT/pkgsets/$gvm_go_name/*" ]] && exit
 		pkgset=`basename $cur_dir`

scripts/templates/binary

@@ -1,8 +1,9 @@
 #!/bin/bash
-echo $1 | sed -n -e '/_.*_/ p' | grep "_" &> /dev/null
+. $GVM_ROOT/scripts/functions/tools
+echo $1 | sed -n -e '/_.*_/ p' | $GREP_PATH "_" &> /dev/null
 if [ "$?" == "0" ]; then
 	version=`echo $1 | sed 's/_\(.*\)_/\1/'`
-	if [ ! -f $GVM_ROOT/pkgsets/$gvm_go_name/$gvm_pkgset_name/pkg.gvm/{{package_name}}/$version/bin/{{binary_name}} ]; then
+	if [[ ! -f $GVM_ROOT/pkgsets/$gvm_go_name/$gvm_pkgset_name/pkg.gvm/{{package_name}}/$version/bin/{{binary_name}} ]]; then
 		echo "GVM: Invalid version"
 		exit 1
 	fi

scripts/uninstall

@@ -1,14 +1,13 @@
 #!/bin/bash
 . $GVM_ROOT/scripts/functions
-LS_PATH=`which ls` || display_error "$LS_ERROR" || return 1
 
 [[ "$1" == "" ]] && 
 	display_error "Please specifiy the version"
 
-fuzzy_match=`$LS_PATH $GVM_ROOT/gos | sort | grep "$1" | head -n 1 | grep "$1"` ||
+fuzzy_match=`$LS_PATH $GVM_ROOT/gos | $SORT_PATH | $GREP_PATH "$1" | $HEAD_PATH -n 1 | $GREP_PATH "$1"` ||
 	display_error "Invalid version $1"
 
-if [ -d $GVM_ROOT/gos/$fuzzy_match ]; then
+if [[ -d $GVM_ROOT/gos/$fuzzy_match ]]; then
 	rm -rf $GVM_ROOT/pkgsets/$fuzzy_match &> /dev/null ||
 		display_error "Couldn't remove pkgsets"
 	rm -f $GVM_ROOT/environments/$fuzzy_match &> /dev/null ||