Use POSIX test(1)

Author: AMDmi3

autorevision

@@ -74,14 +74,14 @@ while getopts ":t:o:s:Vf" OPTION; do
 	esac
 done
 
-if [[ ! -z "${VAROUT}" ]] && [[ ! -z "${AFILETYPE}" ]]; then
+if [ ! -z "${VAROUT}" ] && [ ! -z "${AFILETYPE}" ]; then
 	# If both -s and -t are specified:
 	echo "error: Improper argument combination." 1>&2
 	exit 1
-elif [[ -z "${VAROUT}" ]] && [[ -z "${AFILETYPE}" ]]; then
+elif [ -z "${VAROUT}" ] && [ -z "${AFILETYPE}" ]; then
 	# If neither -s or -t are specified:
 	arUsage
-elif [[ -z "${CACHEFILE}" ]] && [[ "${CACHEFORCE}" = "1" ]]; then
+elif [ -z "${CACHEFILE}" ] && [ "${CACHEFORCE}" = "1" ]; then
 	# If -f is specified without -o:
 	arUsage
 fi
@@ -102,7 +102,7 @@ gitRepo() {
 
 	# Enumeration of changesets
 	VCS_NUM="$(git rev-list --count HEAD 2>/dev/null)"
-	if [[ -z "${VCS_NUM}" ]]; then
+	if [ -z "${VCS_NUM}" ]; then
 		echo "warning: Counting the number of revisions may be slower due to an outdated git version less than 1.7.2.3. If something breaks, please update it." 1>&2
 		VCS_NUM="$(git rev-list HEAD | wc -l)"
 	fi
@@ -123,7 +123,7 @@ gitRepo() {
 	VCS_TAG="$(echo "${DESCRIPTION}" | sed -e "s:-g${VCS_SHORT_HASH}\$::" | sed -e 's:-[0-9]*$::')"
 
 	# Distance to last tag or an alias of VCS_NUM if there is no tag
-	if [[ ! -z "${DESCRIPTION}" ]]; then
+	if [ ! -z "${DESCRIPTION}" ]; then
 		VCS_TICK="$(echo "${DESCRIPTION}" | sed -e "s:${VCS_TAG}-::" -e "s:-g${VCS_SHORT_HASH}::")"
 	else
 		VCS_TICK="${VCS_NUM}"
@@ -158,15 +158,15 @@ hgRepo() {
 	# or branch if no bookmark
 	VCS_BRANCH="$(hg id -B | cut -d ' ' -f 1)"
 	# Fall back to the branch if there are no bookmarks
-	if [[ -z "${VCS_BRANCH}" ]]; then
+	if [ -z "${VCS_BRANCH}" ]; then
 		VCS_BRANCH="$(hg id -b)"
 	fi
 
 	# Current or last tag ancestor (excluding auto tags, empty if no tags)
 	VCS_TAG="$(hg log -r "${VCS_NUM}" -l 1 --template '{latesttag}\n' 2>/dev/null | sed -e 's:qtip::' -e 's:tip::' -e 's:qbase::' -e 's:qparent::' -e "s:$(hg --config 'extensions.color=' --color never qtop 2>/dev/null)::" | cut -d ' ' -f 1)"
 
 	# Distance to last tag or an alias of VCS_NUM if there is no tag
-	if [[ ! -z "${VCS_TAG}" ]]; then
+	if [ ! -z "${VCS_TAG}" ]; then
 		VCS_TICK="$(hg log -r "${VCS_NUM}" -l 1 --template '{latesttagdistance}\n' 2>/dev/null)"
 	else
 		VCS_TICK="${VCS_NUM}"
@@ -204,7 +204,7 @@ bzrRepo() {
 	VCS_TAG="$(bzr tags --sort=time | sed '/?$/d' | tail -n1 | cut -d ' ' -f1)"
 
 	# Distance to last tag or an alias of VCS_NUM if there is no tag
-	if [[ ! -z "${VCS_TAG}" ]]; then
+	if [ ! -z "${VCS_TAG}" ]; then
 		VCS_TICK="$(bzr log --line -r "tag:${VCS_TAG}.." | tail -n +2 | wc -l | sed -e 's:^ *::')"
 	else
 		VCS_TICK="${VCS_NUM}"
@@ -215,17 +215,17 @@ bzrRepo() {
 }
 
 # For svn repos
-function svnRepo {
+svnRepo() {
 	VCS_TYPE="svn"
 
 	case "${PWD}" in
 	/*trunk*|/*branches*|/*tags*)
 		fn="${PWD}"
-		while [[ "$(basename "${fn}")" != 'trunk' ]] && [[ "$(basename "${fn}")" != 'branches' ]] && [[ "$(basename "${fn}")" != 'tags' ]] && [[ "$(basename "${fn}")" != '/' ]]; do
+		while [ "$(basename "${fn}")" != 'trunk' ] && [ "$(basename "${fn}")" != 'branches' ] && [ "$(basename "${fn}")" != 'tags' ] && [ "$(basename "${fn}")" != '/' ]; do
 			fn="$(dirname "${fn}")"
 		done
 		fn="$(dirname "${fn}")"
-		if [[ "${fn}" == '/' ]]; then
+		if [ "${fn}" == '/' ]; then
 			VCS_BASENAME="$(basename "${PWD}")"
 		else
 			VCS_BASENAME="$(basename "${fn}")"
@@ -261,13 +261,13 @@ function svnRepo {
 		while :
 		do
 			base="$(basename "${fn}")"
-			if [[ "${base}" = 'trunk' ]]; then
+			if [ "${base}" = 'trunk' ]; then
 				VCS_BRANCH='trunk'
 				break
-			elif [[ "${base}" = 'branches' ]] || [[ "${base}" = 'tags' ]]; then
+			elif [ "${base}" = 'branches' ] || [ "${base}" = 'tags' ]; then
 				VCS_BRANCH="${lastbase}"
 				break
-			elif [[ "${base}" = '/' ]]; then
+			elif [ "${base}" = '/' ]; then
 				VCS_BRANCH=""
 				break
 			fi
@@ -598,18 +598,18 @@ EOF
 
 
 # Detect and collect repo data.
-if [[ -f "${CACHEFILE}" ]] && [[ "${CACHEFORCE}" = "1" ]]; then
+if [ -f "${CACHEFILE}" ] && [ "${CACHEFORCE}" = "1" ]; then
 	# When requested only read from the cache to populate our symbols.
 	source "${CACHEFILE}"
-elif [[ ! -z "$(git rev-parse HEAD 2>/dev/null)" ]]; then
+elif [ ! -z "$(git rev-parse HEAD 2>/dev/null)" ]; then
 	gitRepo
-elif [[ ! -z "$(hg root 2>/dev/null)" ]]; then
+elif [ ! -z "$(hg root 2>/dev/null)" ]; then
 	hgRepo
-elif [[ ! -z "$(bzr root 2>/dev/null)" ]]; then
+elif [ ! -z "$(bzr root 2>/dev/null)" ]; then
 	bzrRepo
-elif [[ ! -z "$(svn info 2>/dev/null)" ]]; then
+elif [ ! -z "$(svn info 2>/dev/null)" ]; then
 	svnRepo
-elif [[ -f "${CACHEFILE}" ]]; then
+elif [ -f "${CACHEFILE}" ]; then
 	# We are not in a repo; try to use a previously generated cache to populate our symbols.
 	source "${CACHEFILE}"
 else
@@ -619,56 +619,56 @@ fi
 
 
 # -s output is handled here.
-if [[ ! -z "${VAROUT}" ]]; then
-	if [[ "${VAROUT}" = "VCS_TYPE" ]]; then
+if [ ! -z "${VAROUT}" ]; then
+	if [ "${VAROUT}" = "VCS_TYPE" ]; then
 		echo "${VCS_TYPE}"
-	elif [[ "${VAROUT}" = "VCS_BASENAME" ]]; then
+	elif [ "${VAROUT}" = "VCS_BASENAME" ]; then
 		echo "${VCS_BASENAME}"
-	elif [[ "${VAROUT}" = "VCS_NUM" ]]; then
+	elif [ "${VAROUT}" = "VCS_NUM" ]; then
 		echo "${VCS_NUM}"
-	elif [[ "${VAROUT}" = "VCS_DATE" ]]; then
+	elif [ "${VAROUT}" = "VCS_DATE" ]; then
 		echo "${VCS_DATE}"
-	elif [[ "${VAROUT}" = "VCS_BRANCH" ]]; then
+	elif [ "${VAROUT}" = "VCS_BRANCH" ]; then
 		echo "${VCS_BRANCH}"
-	elif [[ "${VAROUT}" = "VCS_TAG" ]]; then
+	elif [ "${VAROUT}" = "VCS_TAG" ]; then
 		echo "${VCS_TAG}"
-	elif [[ "${VAROUT}" = "VCS_TICK" ]]; then
+	elif [ "${VAROUT}" = "VCS_TICK" ]; then
 		echo "${VCS_TICK}"
-	elif [[ "${VAROUT}" = "VCS_FULL_HASH" ]]; then
+	elif [ "${VAROUT}" = "VCS_FULL_HASH" ]; then
 		echo "${VCS_FULL_HASH}"
-	elif [[ "${VAROUT}" = "VCS_SHORT_HASH" ]]; then
+	elif [ "${VAROUT}" = "VCS_SHORT_HASH" ]; then
 		echo "${VCS_SHORT_HASH}"
-	elif [[ "${VAROUT}" = "VCS_WC_MODIFIED" ]]; then
+	elif [ "${VAROUT}" = "VCS_WC_MODIFIED" ]; then
 		echo "${VCS_WC_MODIFIED}"
 	fi
 fi
 
 
 # Detect requested output type and use it.
-if [[ ! -z "${AFILETYPE}" ]]; then
-	if [[ "${AFILETYPE}" = "h" ]]; then
+if [ ! -z "${AFILETYPE}" ]; then
+	if [ "${AFILETYPE}" = "h" ]; then
 		hOutput
-	elif [[ "${AFILETYPE}" = "xcode" ]]; then
+	elif [ "${AFILETYPE}" = "xcode" ]; then
 		xcodeOutput
-	elif [[ "${AFILETYPE}" = "sh" ]]; then
+	elif [ "${AFILETYPE}" = "sh" ]; then
 		shOutput
-	elif [[ "${AFILETYPE}" = "py" ]]; then
+	elif [ "${AFILETYPE}" = "py" ]; then
 		pyOutput
-	elif [[ "${AFILETYPE}" = "pl" ]]; then
+	elif [ "${AFILETYPE}" = "pl" ]; then
 		plOutput
-	elif [[ "${AFILETYPE}" = "lua" ]]; then
+	elif [ "${AFILETYPE}" = "lua" ]; then
 		luaOutput
-	elif [[ "${AFILETYPE}" = "php" ]]; then
+	elif [ "${AFILETYPE}" = "php" ]; then
 		phpOutput
-	elif [[ "${AFILETYPE}" = "ini" ]]; then
+	elif [ "${AFILETYPE}" = "ini" ]; then
 		iniOutput
-	elif [[ "${AFILETYPE}" = "js" ]]; then
+	elif [ "${AFILETYPE}" = "js" ]; then
 		jsOutput
-	elif [[ "${AFILETYPE}" = "java" ]]; then
+	elif [ "${AFILETYPE}" = "java" ]; then
 		javaOutput
-	elif [[ "${AFILETYPE}" = "javaprop" ]]; then
+	elif [ "${AFILETYPE}" = "javaprop" ]; then
 		javapropOutput
-	elif [[ "${AFILETYPE}" = "tex" ]]; then
+	elif [ "${AFILETYPE}" = "tex" ]; then
 		texOutput
 	else
 		echo "error: Not a valid output type." 1>&2
@@ -678,7 +678,7 @@ fi
 
 
 # If requested, make a cache file.
-if [[ ! -z "${CACHEFILE}" ]] && [[ ! "${CACHEFORCE}" = "1" ]]; then
+if [ ! -z "${CACHEFILE}" ] && [ ! "${CACHEFORCE}" = "1" ]; then
 	TARGETFILE="${CACHEFILE}"
 	shOutput
 fi