diff --git a/autorelease.sh b/autorelease.sh
new file mode 100644
index 0000000..36b99b5
--- /dev/null
+++ b/autorelease.sh
@@ -0,0 +1,34 @@
+#!/bin/sh
+if [ $# -lt 8 ] ; then
+    echo "USAGE: ./autorelease.sh [API_V4_URL] [PROJECT_URL]
+    [PROJECT_ID] [TOKEN]
+    [COMMIT_TAG] [JOB] [PROJECT_NAME] [USER_DEFINE]"
+    echo "$1; $2; $3; $4; $5; $6; $7; $8"
+exit 1;
+fi
+
+CI_API_V4_URL=$1
+CI_PROJECT_URL=$2
+CI_PROJECT_ID=$3
+CI_TOKEN=$4
+CI_COMMIT_TAG=$5
+ARTIFACTS_JOB=$6
+CI_PROJECT_NAME=$7
+USER_DEFINE=$8
+
+res=`echo -e "curl --header \"PRIVATE-TOKEN: $CI_TOKEN\" $CI_API_V4_URL/projects/$CI_PROJECT_ID/releases/$CI_COMMIT_TAG -o /dev/null -s -w %{http_code}"| /bin/bash`
+
+if [[ $res == "200" ]]; then
+    eval $(echo -e "curl --request POST --header \"PRIVATE-TOKEN: $CI_TOKEN\" \
+        --data name=\"$CI_PROJECT_NAME-$USER_DEFINE-$CI_COMMIT_TAG.zip\" \
+        --data url=\"$CI_PROJECT_URL/-/jobs/artifacts/$CI_COMMIT_TAG/download?job=$ARTIFACTS_JOB\"\
+        $CI_API_V4_URL/projects/$CI_PROJECT_ID/releases/$CI_COMMIT_TAG/assets/links")
+else
+    eval $(echo -e "curl --header 'Content-Type: application/json' --header \
+        \"PRIVATE-TOKEN: $CI_TOKEN\" --data '{ \"name\": \"$CI_COMMIT_TAG\",  \
+        \"tag_name\": \"$CI_COMMIT_TAG\", \"description\": \"auto_release\",\
+        \"assets\": { \"links\": [{ \"name\": \
+        \"$CI_PROJECT_NAME-$USER_DEFINE-$CI_COMMIT_TAG.zip\", \"url\": \
+        \"$CI_PROJECT_URL/-/jobs/artifacts/$CI_COMMIT_TAG/download?job=$ARTIFACTS_JOB\"\
+    }] } }' --request POST $CI_API_V4_URL/projects/$CI_PROJECT_ID/releases/")
+fi
diff --git a/autorevision.sh b/autorevision.sh
new file mode 100644
index 0000000..3baa179
--- /dev/null
+++ b/autorevision.sh
@@ -0,0 +1,1268 @@
+#!/bin/sh
+
+# Copyright (c) 2012 - 2016 dak180 and contributors. See
+# https://opensource.org/licenses/mit-license.php or the included
+# COPYING.md for licence terms.
+#
+# autorevision - extracts metadata about the head version from your
+# repository.
+
+# Usage message.
+arUsage() {
+	cat > "/dev/stderr" << EOF
+usage: autorevision {-t output-type | -s symbol} [-o cache-file [-f] ] [-V]
+	Options include:
+	-t output-type		= specify output type
+	-s symbol		= specify symbol output
+	-o cache-file		= specify cache file location
+	-f			= force the use of cache data
+	-U			= check for untracked files in svn
+	-V			= emit version and exit
+	-?			= help message
+
+The following are valid output types:
+	clojure			= clojure file
+	c			= C/C++ file
+	h			= Header for use with c/c++
+	hpp			= Alternate C++ header strings with namespace
+	ini			= INI file
+	java			= Java file
+	javaprop		= Java properties file
+	js			= javascript file
+	json			= JSON file
+	lua			= Lua file
+	m4			= m4 file
+	matlab			= matlab file
+	octave			= octave file
+	php			= PHP file
+	pl			= Perl file
+	py			= Python file
+	rpm			= rpm file
+	scheme			= scheme file
+	sh			= Bash sytax
+	swift			= Swift file
+	tex			= (La)TeX file
+	xcode			= Header useful for populating info.plist files
+	cmake 		= CMake file
+
+
+The following are valid symbols:
+	VCS_TYPE
+	VCS_BASENAME
+	VCS_UUID
+	VCS_NUM
+	VCS_DATE
+	VCS_BRANCH
+	VCS_TAG
+	VCS_TICK
+	VCS_EXTRA
+	VCS_FULL_HASH
+	VCS_SHORT_HASH
+	VCS_WC_MODIFIED
+	VCS_ACTION_STAMP
+EOF
+	exit 1
+}
+
+# Config
+ARVERSION="&&ARVERSION&&"
+TARGETFILE="/dev/stdout"
+while getopts ":t:o:s:VfU" OPTION; do
+	case "${OPTION}" in
+		t)
+			AFILETYPE="${OPTARG}"
+		;;
+		o)
+			CACHEFILE="${OPTARG}"
+		;;
+		f)
+			CACHEFORCE="1"
+		;;
+		s)
+			VAROUT="${OPTARG}"
+		;;
+		U)
+			UNTRACKEDFILES="1"
+		;;
+		V)
+			echo "autorevision ${ARVERSION}"
+			exit 0
+		;;
+		?)
+			# If an unknown flag is used (or -?):
+			arUsage
+		;;
+	esac
+done
+
+if [ ! -z "${VAROUT}" ] && [ ! -z "${AFILETYPE}" ]; then
+	# If both -s and -t are specified:
+	echo "error: Improper argument combination." 1>&2
+	exit 1
+elif [ -z "${VAROUT}" ] && [ -z "${AFILETYPE}" ]; then
+	# If neither -s or -t are specified:
+	arUsage
+elif [ -z "${CACHEFILE}" ] && [ "${CACHEFORCE}" = "1" ]; then
+	# If -f is specified without -o:
+	arUsage
+elif [ ! -f "${CACHEFILE}" ] && [ "${CACHEFORCE}" = "1" ]; then
+	# If we are forced to use the cache but it does not exist.
+	echo "error: Cache forced but no cache found." 1>&2
+	exit 1
+fi
+
+# Make sure that the path we are given is one we can source
+# (dash, we are looking at you).
+if [ ! -z "${CACHEFILE}" ] && ! echo "${CACHEFILE}" | grep -q '^\.*/'; then
+	CACHEFILE="./${CACHEFILE}"
+fi
+
+GENERATED_HEADER="Generated by autorevision - do not hand-hack!"
+
+# Functions to extract data from different repo types.
+# For git repos
+# shellcheck disable=SC2039,SC2164,SC2155
+gitRepo() {
+	local oldPath="${PWD}"
+
+	cd "$(git rev-parse --show-toplevel)"
+
+	VCS_TYPE="git"
+
+	VCS_BASENAME="$(basename "${PWD}")"
+
+	VCS_UUID="$(git rev-list --max-parents=0 --date-order --reverse HEAD 2>/dev/null | sed -n 1p)"
+	if [ -z "${VCS_UUID}" ]; then
+		VCS_UUID="$(git rev-list --topo-order HEAD | tail -n 1)"
+	fi
+
+	# Is the working copy clean?
+	test -z "$(git status --untracked-files=normal --porcelain)"
+	VCS_WC_MODIFIED="${?}"
+
+	# Enumeration of changesets
+	VCS_NUM="$(git rev-list --count HEAD 2>/dev/null)"
+	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
+
+	# This may be a git-svn remote.  If so, report the Subversion revision.
+	if [ -z "$(git config svn-remote.svn.url 2>/dev/null)" ]; then
+		# The full revision hash
+		VCS_FULL_HASH="$(git rev-parse HEAD)"
+
+		# The short hash
+		VCS_SHORT_HASH="$(echo "${VCS_FULL_HASH}" | cut -b 1-7)"
+	else
+		# The git-svn revision number
+		VCS_FULL_HASH="$(git svn find-rev HEAD)"
+		VCS_SHORT_HASH="${VCS_FULL_HASH}"
+	fi
+
+	# Current branch
+	VCS_BRANCH="$(git rev-parse --symbolic-full-name --verify "$(git name-rev --name-only --no-undefined HEAD 2>/dev/null)" 2>/dev/null | sed -e 's:refs/heads/::' | sed -e 's:refs/::')"
+
+	# Cache the description
+	local DESCRIPTION="$(git describe --long --tags 2>/dev/null)"
+
+	# Current or last tag ancestor (empty if no tags)
+	VCS_TAG="$(echo "${DESCRIPTION}" | sed -e "s:-g${VCS_SHORT_HASH}\$::" -e 's:-[0-9]*$::')"
+
+	# Distance to last tag or an alias of VCS_NUM if there is no tag
+	if [ ! -z "${DESCRIPTION}" ]; then
+		VCS_TICK="$(echo "${DESCRIPTION}" | sed -e "s:${VCS_TAG}-::" -e "s:-g${VCS_SHORT_HASH}::")"
+	else
+		VCS_TICK="${VCS_NUM}"
+	fi
+
+	# Date of the current commit
+	VCS_DATE="$(TZ=UTC git show -s --date=iso-strict-local --pretty=format:%ad | sed -e 's|+00:00|Z|')"
+	if [ -z "${VCS_DATE}" ]; then
+		echo "warning: Action stamps require git version 2.7+." 1>&2
+		VCS_DATE="$(git log -1 --pretty=format:%ci | sed -e 's: :T:' -e 's: ::' -e 's|+00:00|Z|')"
+		local ASdis="1"
+	fi
+
+	# Action Stamp
+	if [ -z "${ASdis}" ]; then
+		VCS_ACTION_STAMP="${VCS_DATE}!$(git show -s --pretty=format:%cE)"
+	else
+		VCS_ACTION_STAMP=""
+	fi
+
+	cd "${oldPath}"
+}
+
+# For hg repos
+# shellcheck disable=SC2039,SC2164
+hgRepo() {
+	local oldPath="${PWD}"
+
+	cd "$(hg root)"
+
+	VCS_TYPE="hg"
+
+	VCS_BASENAME="$(basename "${PWD}")"
+
+	VCS_UUID="$(hg log -r "0" -l 1 --template '{node}\n')"
+
+	# Is the working copy clean?
+	test -z "$(hg status -duram)"
+	VCS_WC_MODIFIED="${?}"
+
+	# Enumeration of changesets
+	VCS_NUM="$(hg id -n | tr -d '+')"
+
+	# The full revision hash
+	VCS_FULL_HASH="$(hg log -r "${VCS_NUM}" -l 1 --template '{node}\n')"
+
+	# The short hash
+	VCS_SHORT_HASH="$(hg id -i | tr -d '+')"
+
+	# Current bookmark (bookmarks are roughly equivalent to git's branches)
+	# or branch if no bookmark
+	VCS_BRANCH="$(hg id -B | cut -d ' ' -f 1)"
+	# Fall back to the branch if there are no bookmarks
+	if [ -z "${VCS_BRANCH}" ]; then
+		VCS_BRANCH="$(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:$(hg --config 'extensions.color=' --config 'extensions.mq=' --color never qtop 2>/dev/null)::" | cut -d ' ' -f 1)"
+
+	# Distance to last tag or an alias of VCS_NUM if there is no tag
+	if [ ! -z "${VCS_TAG}" ]; then
+		VCS_TICK="$(hg log -r "${VCS_NUM}" -l 1 --template '{latesttagdistance}\n' 2>/dev/null)"
+	else
+		VCS_TICK="${VCS_NUM}"
+	fi
+
+	# Date of the current commit
+	VCS_DATE="$(hg log -r "${VCS_NUM}" -l 1 --template '{date|isodatesec}\n' 2>/dev/null | sed -e 's: :T:' -e 's: ::' -e 's|+00:00|Z|')"
+
+	# Action Stamp
+	VCS_ACTION_STAMP="$(TZ=UTC hg log -r "${VCS_NUM}" -l 1 --template '{date|localdate|rfc3339date}\n' 2>/dev/null | sed -e 's|+00:00|Z|')!$(hg log -r "${VCS_NUM}" -l 1 --template '{author|email}\n' 2>/dev/null)"
+
+	cd "${oldPath}"
+}
+
+# For bzr repos
+# shellcheck disable=SC2039,SC2164
+bzrRepo() {
+	local oldPath="${PWD}"
+
+	cd "$(bzr root)"
+
+	VCS_TYPE="bzr"
+
+	VCS_BASENAME="$(basename "${PWD}")"
+
+	# Currently unimplemented because more investigation is needed.
+	VCS_UUID=""
+
+	# Is the working copy clean?
+	bzr version-info --custom --template='{clean}\n' | grep -q '1'
+	VCS_WC_MODIFIED="${?}"
+
+	# Enumeration of changesets
+	VCS_NUM="$(bzr revno)"
+
+	# The full revision hash
+	VCS_FULL_HASH="$(bzr version-info --custom --template='{revision_id}\n')"
+
+	# The short hash
+	VCS_SHORT_HASH="${VCS_NUM}"
+
+	# Nick of the current branch
+	VCS_BRANCH="$(bzr nick)"
+
+	# Current or last tag ancestor (excluding auto tags, empty if no tags)
+	VCS_TAG="$(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
+		VCS_TICK="$(bzr log --line -r "tag:${VCS_TAG}.." | tail -n +2 | wc -l | sed -e 's:^ *::')"
+	else
+		VCS_TICK="${VCS_NUM}"
+	fi
+
+	# Date of the current commit
+	VCS_DATE="$(bzr version-info --custom --template='{date}\n' | sed -e 's: :T:' -e 's: ::')"
+
+	# Action Stamp
+	# Currently unimplemented because more investigation is needed.
+	VCS_ACTION_STAMP=""
+
+	cd "${oldPath}"
+}
+
+# For svn repos
+# shellcheck disable=SC2039,SC2164,SC2155
+svnRepo() {
+	local oldPath="${PWD}"
+
+	VCS_TYPE="svn"
+
+	case "${PWD}" in
+	/*trunk*|/*branches*|/*tags*)
+		local fn="${PWD}"
+		while [ "$(basename "${fn}")" != 'trunk' ] && [ "$(basename "${fn}")" != 'branches' ] && [ "$(basename "${fn}")" != 'tags' ] && [ "$(basename "${fn}")" != '/' ]; do
+			local fn="$(dirname "${fn}")"
+		done
+		local fn="$(dirname "${fn}")"
+		if [ "${fn}" = '/' ]; then
+			VCS_BASENAME="$(basename "${PWD}")"
+		else
+			VCS_BASENAME="$(basename "${fn}")"
+		fi
+		;;
+	*) VCS_BASENAME="$(basename "${PWD}")" ;;
+	esac
+
+	VCS_UUID="$(svn info --xml | sed -n -e 's:<uuid>::' -e 's:</uuid>::p')"
+
+	# Cache svnversion output
+	local SVNVERSION="$(svnversion)"
+
+	# Is the working copy clean?
+	echo "${SVNVERSION}" | grep -q "M"
+	case "${?}" in
+		0)
+			VCS_WC_MODIFIED="1"
+		;;
+		1)
+			if [ ! -z "${UNTRACKEDFILES}" ]; then
+			# `svnversion` does not detect untracked files and `svn status` is really slow, so only run it if we really have to.
+				if [ -z "$(svn status)" ]; then
+					VCS_WC_MODIFIED="0"
+				else
+					VCS_WC_MODIFIED="1"
+				fi
+			else
+				VCS_WC_MODIFIED="0"
+			fi
+		;;
+	esac
+
+	# Enumeration of changesets
+	VCS_NUM="$(echo "${SVNVERSION}" | cut -d : -f 1 | sed -e 's:M::' -e 's:S::' -e 's:P::')"
+
+	# The full revision hash
+	VCS_FULL_HASH="${SVNVERSION}"
+
+	# The short hash
+	VCS_SHORT_HASH="${VCS_NUM}"
+
+	# Current branch
+	case "${PWD}" in
+	/*trunk*|/*branches*|/*tags*)
+		local lastbase=""
+		local fn="${PWD}"
+		while :
+		do
+			base="$(basename "${fn}")"
+			if [ "${base}" = 'trunk' ]; then
+				VCS_BRANCH='trunk'
+				break
+			elif [ "${base}" = 'branches' ] || [ "${base}" = 'tags' ]; then
+				VCS_BRANCH="${lastbase}"
+				break
+			elif [ "${base}" = '/' ]; then
+				VCS_BRANCH=""
+				break
+			fi
+			local lastbase="${base}"
+			local fn="$(dirname "${fn}")"
+		done
+		;;
+	*) VCS_BRANCH="" ;;
+	esac
+
+	# Current or last tag ancestor (empty if no tags). But "current
+	# tag" can't be extracted reliably because Subversion doesn't
+	# have tags the way other VCSes do.
+	VCS_TAG=""
+	VCS_TICK=""
+
+	# Date of the current commit
+	VCS_DATE="$(svn info --xml | sed -n -e 's:<date>::' -e 's:</date>::p')"
+
+	# Action Stamp
+	VCS_ACTION_STAMP="${VCS_DATE}!$(svn log --xml -l 1 -r "${VCS_SHORT_HASH}" | sed -n -e 's:<author>::' -e 's:</author>::p')"
+
+	cd "${oldPath}"
+}
+
+
+# Functions to output data in different formats.
+# For bash output
+shOutput() {
+	cat > "${TARGETFILE}" << EOF
+# ${GENERATED_HEADER}
+
+VCS_TYPE="${VCS_TYPE}"
+VCS_BASENAME="${VCS_BASENAME}"
+VCS_UUID="${VCS_UUID}"
+VCS_NUM="${VCS_NUM}"
+VCS_DATE="${VCS_DATE}"
+VCS_BRANCH="${VCS_BRANCH}"
+VCS_TAG="${VCS_TAG}"
+VCS_TICK="${VCS_TICK}"
+VCS_EXTRA="${VCS_EXTRA}"
+
+VCS_ACTION_STAMP="${VCS_ACTION_STAMP}"
+VCS_FULL_HASH="${VCS_FULL_HASH}"
+VCS_SHORT_HASH="${VCS_SHORT_HASH}"
+
+VCS_WC_MODIFIED="${VCS_WC_MODIFIED}"
+
+# end
+EOF
+}
+
+# For source C output
+cOutput() {
+	cat > "${TARGETFILE}" << EOF
+/* ${GENERATED_HEADER} */
+
+const char *VCS_TYPE         = "${VCS_TYPE}";
+const char *VCS_BASENAME     = "${VCS_BASENAME}";
+const char *VCS_UUID         = "${VCS_UUID}";
+const int VCS_NUM            = ${VCS_NUM};
+const char *VCS_DATE         = "${VCS_DATE}";
+const char *VCS_BRANCH       = "${VCS_BRANCH}";
+const char *VCS_TAG          = "${VCS_TAG}";
+const int VCS_TICK           = ${VCS_TICK};
+const char *VCS_EXTRA        = "${VCS_EXTRA}";
+
+const char *VCS_ACTION_STAMP = "${VCS_ACTION_STAMP}";
+const char *VCS_FULL_HASH    = "${VCS_FULL_HASH}";
+const char *VCS_SHORT_HASH   = "${VCS_SHORT_HASH}";
+
+const int VCS_WC_MODIFIED     = ${VCS_WC_MODIFIED};
+
+/* end */
+EOF
+}
+
+# For header output
+hOutput() {
+	cat > "${TARGETFILE}" << EOF
+/* ${GENERATED_HEADER} */
+#ifndef AUTOREVISION_H
+#define AUTOREVISION_H
+
+#define VCS_TYPE		"${VCS_TYPE}"
+#define VCS_BASENAME	"${VCS_BASENAME}"
+#define VCS_UUID		"${VCS_UUID}"
+#define VCS_NUM			${VCS_NUM}
+#define VCS_DATE		"${VCS_DATE}"
+#define VCS_BRANCH		"${VCS_BRANCH}"
+#define VCS_TAG			"${VCS_TAG}"
+#define VCS_TICK		${VCS_TICK}
+#define VCS_EXTRA		"${VCS_EXTRA}"
+
+#define VCS_ACTION_STAMP	"${VCS_ACTION_STAMP}"
+#define VCS_FULL_HASH		"${VCS_FULL_HASH}"
+#define VCS_SHORT_HASH		"${VCS_SHORT_HASH}"
+
+#define VCS_WC_MODIFIED		${VCS_WC_MODIFIED}
+
+#endif
+
+/* end */
+EOF
+}
+
+# A header output for use with xcode to populate info.plist strings
+xcodeOutput() {
+	cat > "${TARGETFILE}" << EOF
+/* ${GENERATED_HEADER} */
+#ifndef AUTOREVISION_H
+#define AUTOREVISION_H
+
+#define VCS_TYPE		${VCS_TYPE}
+#define VCS_BASENAME	${VCS_BASENAME}
+#define VCS_UUID		${VCS_UUID}
+#define VCS_NUM			${VCS_NUM}
+#define VCS_DATE		${VCS_DATE}
+#define VCS_BRANCH		${VCS_BRANCH}
+#define VCS_TAG			${VCS_TAG}
+#define VCS_TICK		${VCS_TICK}
+#define VCS_EXTRA		${VCS_EXTRA}
+
+#define VCS_ACTION_STAMP	${VCS_ACTION_STAMP}
+#define VCS_FULL_HASH		${VCS_FULL_HASH}
+#define VCS_SHORT_HASH		${VCS_SHORT_HASH}
+
+#define VCS_WC_MODIFIED		${VCS_WC_MODIFIED}
+
+#endif
+
+/* end */
+EOF
+}
+
+# For Swift output
+swiftOutput() {
+	case "${VCS_WC_MODIFIED}" in
+		0) VCS_WC_MODIFIED="false" ;;
+		1) VCS_WC_MODIFIED="true" ;;
+	esac
+	# For values that may not exist depending on the type of repo we
+	# have read from, set them to `nil` when they are empty.
+	if [ -z "${VCS_UUID}" ]; then
+		VCS_UUID="nil"
+	else
+		VCS_UUID="\"${VCS_UUID}\""
+	fi
+	if [ -z "${VCS_TAG}" ]; then
+		VCS_TAG="nil"
+	else
+		VCS_TAG="\"${VCS_TAG}\""
+	fi
+	: "${VCS_TICK:="nil"}"
+	if [ -z "${VCS_EXTRA}" ]; then
+		VCS_EXTRA="nil"
+	else
+		VCS_EXTRA="\"${VCS_EXTRA}\""
+	fi
+	if [ -z "${VCS_ACTION_STAMP}" ]; then
+		VCS_ACTION_STAMP="nil"
+	else
+		VCS_ACTION_STAMP="\"${VCS_ACTION_STAMP}\""
+	fi
+	cat > "${TARGETFILE}" << EOF
+/* ${GENERATED_HEADER} */
+
+let VCS_TYPE			= "${VCS_TYPE}"
+let VCS_BASENAME		= "${VCS_BASENAME}"
+let VCS_UUID:	String?	= ${VCS_UUID}
+let VCS_NUM:	Int		= ${VCS_NUM}
+let VCS_DATE			= "${VCS_DATE}"
+let VCS_BRANCH:	String	= "${VCS_BRANCH}"
+let VCS_TAG:	String?	= ${VCS_TAG}
+let VCS_TICK:	Int?	= ${VCS_TICK}
+let VCS_EXTRA:	String?	= ${VCS_EXTRA}
+
+let VCS_ACTION_STAMP:	String?	= ${VCS_ACTION_STAMP}
+let VCS_FULL_HASH:		String	= "${VCS_FULL_HASH}"
+let VCS_SHORT_HASH:		String	= "${VCS_SHORT_HASH}"
+
+let VCS_WC_MODIFIED:	Bool	= ${VCS_WC_MODIFIED}
+
+/* end */
+EOF
+}
+
+# For Python output
+pyOutput() {
+	case "${VCS_WC_MODIFIED}" in
+		0) VCS_WC_MODIFIED="False" ;;
+		1) VCS_WC_MODIFIED="True" ;;
+	esac
+	cat > "${TARGETFILE}" << EOF
+# ${GENERATED_HEADER}
+
+VCS_TYPE = "${VCS_TYPE}"
+VCS_BASENAME = "${VCS_BASENAME}"
+VCS_UUID = "${VCS_UUID}"
+VCS_NUM = ${VCS_NUM}
+VCS_DATE = "${VCS_DATE}"
+VCS_BRANCH = "${VCS_BRANCH}"
+VCS_TAG = "${VCS_TAG}"
+VCS_TICK = ${VCS_TICK}
+VCS_EXTRA = "${VCS_EXTRA}"
+
+VCS_ACTION_STAMP = "${VCS_ACTION_STAMP}"
+VCS_FULL_HASH = "${VCS_FULL_HASH}"
+VCS_SHORT_HASH = "${VCS_SHORT_HASH}"
+
+VCS_WC_MODIFIED = ${VCS_WC_MODIFIED}
+
+# end
+EOF
+}
+
+# For Perl output
+plOutput() {
+	cat << EOF
+# ${GENERATED_HEADER}
+
+\$VCS_TYPE = '${VCS_TYPE}';
+\$VCS_BASENAME = '${VCS_BASENAME}';
+\$VCS_UUID = '${VCS_UUID}';
+\$VCS_NUM = ${VCS_NUM};
+\$VCS_DATE = '${VCS_DATE}';
+\$VCS_BRANCH = '${VCS_BRANCH}';
+\$VCS_TAG = '${VCS_TAG}';
+\$VCS_TICK = ${VCS_TICK};
+\$VCS_EXTRA = '${VCS_EXTRA}';
+
+\$VCS_ACTION_STAMP = '${VCS_ACTION_STAMP}';
+\$VCS_FULL_HASH = '${VCS_FULL_HASH}';
+\$VCS_SHORT_HASH = '${VCS_SHORT_HASH}';
+
+\$VCS_WC_MODIFIED = ${VCS_WC_MODIFIED};
+
+# end
+1;
+EOF
+}
+
+# For lua output
+luaOutput() {
+	case "${VCS_WC_MODIFIED}" in
+		0) VCS_WC_MODIFIED="false" ;;
+		1) VCS_WC_MODIFIED="true" ;;
+	esac
+	cat > "${TARGETFILE}" << EOF
+-- ${GENERATED_HEADER}
+
+VCS_TYPE = "${VCS_TYPE}"
+VCS_BASENAME = "${VCS_BASENAME}"
+VCS_UUID = "${VCS_UUID}"
+VCS_NUM = ${VCS_NUM}
+VCS_DATE = "${VCS_DATE}"
+VCS_BRANCH = "${VCS_BRANCH}"
+VCS_TAG = "${VCS_TAG}"
+VCS_TICK = ${VCS_TICK}
+VCS_EXTRA = "${VCS_EXTRA}"
+
+VCS_ACTION_STAMP = "${VCS_ACTION_STAMP}"
+VCS_FULL_HASH = "${VCS_FULL_HASH}"
+VCS_SHORT_HASH = "${VCS_SHORT_HASH}"
+
+VCS_WC_MODIFIED = ${VCS_WC_MODIFIED}
+
+-- end
+EOF
+}
+
+# For php output
+phpOutput() {
+	case "${VCS_WC_MODIFIED}" in
+		0) VCS_WC_MODIFIED="false" ;;
+		1) VCS_WC_MODIFIED="true" ;;
+	esac
+	cat > "${TARGETFILE}" << EOF
+<?php
+# ${GENERATED_HEADER}
+
+return array(
+	"VCS_TYPE" => "${VCS_TYPE}",
+	"VCS_BASENAME" => "${VCS_BASENAME}",
+	"VCS_UUID" => "${VCS_UUID}",
+	"VCS_NUM" => ${VCS_NUM},
+	"VCS_DATE" => "${VCS_DATE}",
+	"VCS_BRANCH" => "${VCS_BRANCH}",
+	"VCS_TAG" => "${VCS_TAG}",
+	"VCS_TICK" => ${VCS_TICK},
+	"VCS_EXTRA" => "${VCS_EXTRA}",
+	"VCS_ACTION_STAMP" => "${VCS_ACTION_STAMP}",
+	"VCS_FULL_HASH" => "${VCS_FULL_HASH}",
+	"VCS_SHORT_HASH" => "${VCS_SHORT_HASH}",
+	"VCS_WC_MODIFIED" => ${VCS_WC_MODIFIED}
+);
+
+# end
+?>
+EOF
+}
+
+# For ini output
+iniOutput() {
+	case "${VCS_WC_MODIFIED}" in
+		0) VCS_WC_MODIFIED="false" ;;
+		1) VCS_WC_MODIFIED="true" ;;
+	esac
+	cat > "${TARGETFILE}" << EOF
+; ${GENERATED_HEADER}
+[VCS]
+VCS_TYPE = "${VCS_TYPE}"
+VCS_BASENAME = "${VCS_BASENAME}"
+VCS_UUID = "${VCS_UUID}"
+VCS_NUM = ${VCS_NUM}
+VCS_DATE = "${VCS_DATE}"
+VCS_BRANCH = "${VCS_BRANCH}"
+VCS_TAG = "${VCS_TAG}"
+VCS_TICK = ${VCS_TICK}
+VCS_EXTRA = "${VCS_EXTRA}"
+VCS_ACTION_STAMP = "${VCS_ACTION_STAMP}"
+VCS_FULL_HASH = "${VCS_FULL_HASH}"
+VCS_SHORT_HASH = "${VCS_SHORT_HASH}"
+VCS_WC_MODIFIED = ${VCS_WC_MODIFIED}
+; end
+EOF
+}
+
+# For javascript output
+jsOutput() {
+	case "${VCS_WC_MODIFIED}" in
+		1) VCS_WC_MODIFIED="true" ;;
+		0) VCS_WC_MODIFIED="false" ;;
+	esac
+	cat > "${TARGETFILE}" << EOF
+/** ${GENERATED_HEADER} */
+
+var autorevision = {
+	VCS_TYPE: "${VCS_TYPE}",
+	VCS_BASENAME: "${VCS_BASENAME}",
+	VCS_UUID: "${VCS_UUID}",
+	VCS_NUM: ${VCS_NUM},
+	VCS_DATE: "${VCS_DATE}",
+	VCS_BRANCH: "${VCS_BRANCH}",
+	VCS_TAG: "${VCS_TAG}",
+	VCS_TICK: ${VCS_TICK},
+	VCS_EXTRA: "${VCS_EXTRA}",
+
+	VCS_ACTION_STAMP: "${VCS_ACTION_STAMP}",
+	VCS_FULL_HASH: "${VCS_FULL_HASH}",
+	VCS_SHORT_HASH: "${VCS_SHORT_HASH}",
+
+	VCS_WC_MODIFIED: ${VCS_WC_MODIFIED}
+};
+
+/** Node.js compatibility */
+if (typeof module !== 'undefined') {
+	module.exports = autorevision;
+}
+
+/** end */
+EOF
+}
+
+# For JSON output
+jsonOutput() {
+	case "${VCS_WC_MODIFIED}" in
+		1) VCS_WC_MODIFIED="true" ;;
+		0) VCS_WC_MODIFIED="false" ;;
+	esac
+	cat > "${TARGETFILE}" << EOF
+{
+	"_comment": "${GENERATED_HEADER}",
+	"VCS_TYPE": "${VCS_TYPE}",
+	"VCS_BASENAME": "${VCS_BASENAME}",
+	"VCS_UUID": "${VCS_UUID}",
+	"VCS_NUM": ${VCS_NUM},
+	"VCS_DATE": "${VCS_DATE}",
+	"VCS_BRANCH":"${VCS_BRANCH}",
+	"VCS_TAG": "${VCS_TAG}",
+	"VCS_TICK": ${VCS_TICK},
+	"VCS_EXTRA": "${VCS_EXTRA}",
+
+	"VCS_ACTION_STAMP": "${VCS_ACTION_STAMP}",
+	"VCS_FULL_HASH": "${VCS_FULL_HASH}",
+	"VCS_SHORT_HASH": "${VCS_SHORT_HASH}",
+
+	"VCS_WC_MODIFIED": ${VCS_WC_MODIFIED}
+}
+EOF
+}
+
+# For Java output
+javaOutput() {
+	case "${VCS_WC_MODIFIED}" in
+		1) VCS_WC_MODIFIED="true" ;;
+		0) VCS_WC_MODIFIED="false" ;;
+	esac
+	cat > "${TARGETFILE}" << EOF
+/* ${GENERATED_HEADER} */
+
+public class autorevision {
+    public static final String VCS_TYPE = "${VCS_TYPE}";
+    public static final String VCS_BASENAME = "${VCS_BASENAME}";
+    public static final String VCS_UUID = "${VCS_UUID}";
+    public static final long VCS_NUM = ${VCS_NUM};
+    public static final String VCS_DATE = "${VCS_DATE}";
+    public static final String VCS_BRANCH = "${VCS_BRANCH}";
+    public static final String VCS_TAG = "${VCS_TAG}";
+    public static final long VCS_TICK = ${VCS_TICK};
+    public static final String VCS_EXTRA = "${VCS_EXTRA}";
+
+    public static final String VCS_ACTION_STAMP = "${VCS_ACTION_STAMP}";
+    public static final String VCS_FULL_HASH = "${VCS_FULL_HASH}";
+    public static final String VCS_SHORT_HASH = "${VCS_SHORT_HASH}";
+
+    public static final boolean VCS_WC_MODIFIED = ${VCS_WC_MODIFIED};
+}
+EOF
+}
+
+# For Java properties output
+javapropOutput() {
+	case "${VCS_WC_MODIFIED}" in
+		1) VCS_WC_MODIFIED="true" ;;
+		0) VCS_WC_MODIFIED="false" ;;
+	esac
+	cat > "${TARGETFILE}" << EOF
+# ${GENERATED_HEADER}
+
+VCS_TYPE=${VCS_TYPE}
+VCS_BASENAME=${VCS_BASENAME}
+VCS_UUID=${VCS_UUID}
+VCS_NUM=${VCS_NUM}
+VCS_DATE=${VCS_DATE}
+VCS_BRANCH=${VCS_BRANCH}
+VCS_TAG=${VCS_TAG}
+VCS_TICK=${VCS_TICK}
+VCS_EXTRA=${VCS_EXTRA}
+
+VCS_ACTION_STAMP=${VCS_ACTION_STAMP}
+VCS_FULL_HASH=${VCS_FULL_HASH}
+VCS_SHORT_HASH=${VCS_SHORT_HASH}
+
+VCS_WC_MODIFIED=${VCS_WC_MODIFIED}
+EOF
+}
+
+# For m4 output
+m4Output() {
+	cat > "${TARGETFILE}" << EOF
+dnl ${GENERATED_HEADER}
+define(\`VCS_TYPE', \`${VCS_TYPE}')dnl
+define(\`VCS_BASENAME', \`${VCS_BASENAME}')dnl
+define(\`VCS_UUID', \`${VCS_UUID}')dnl
+define(\`VCS_NUM', \`${VCS_NUM}')dnl
+define(\`VCS_DATE', \`${VCS_DATE}')dnl
+define(\`VCS_BRANCH', \`${VCS_BRANCH}')dnl
+define(\`VCS_TAG', \`${VCS_TAG}')dnl
+define(\`VCS_TICK', \`${VCS_TICK}')dnl
+define(\`VCS_EXTRA', \`${VCS_EXTRA}')dnl
+define(\`VCS_ACTIONSTAMP', \`${VCS_ACTION_STAMP}')dnl
+define(\`VCS_FULLHASH', \`${VCS_FULL_HASH}')dnl
+define(\`VCS_SHORTHASH', \`${VCS_SHORT_HASH}')dnl
+define(\`VCS_WC_MODIFIED', \`${VCS_WC_MODIFIED}')dnl
+EOF
+}
+
+# For (La)TeX output
+texOutput() {
+	case "${VCS_WC_MODIFIED}" in
+		0) VCS_WC_MODIFIED="false" ;;
+		1) VCS_WC_MODIFIED="true" ;;
+	esac
+	cat > "${TARGETFILE}" << EOF
+% ${GENERATED_HEADER}
+\def \vcsType {${VCS_TYPE}}
+\def \vcsBasename {${VCS_BASENAME}}
+\def \vcsUUID {${VCS_UUID}}
+\def \vcsNum {${VCS_NUM}}
+\def \vcsDate {${VCS_DATE}}
+\def \vcsBranch {${VCS_BRANCH}}
+\def \vcsTag {${VCS_TAG}}
+\def \vcsTick {${VCS_TICK}}
+\def \vcsExtra {${VCS_EXTRA}}
+\def \vcsACTIONSTAMP {${VCS_ACTION_STAMP}}
+\def \vcsFullHash {${VCS_FULL_HASH}}
+\def \vcsShortHash {${VCS_SHORT_HASH}}
+\def \vcsWCModified {${VCS_WC_MODIFIED}}
+\endinput
+EOF
+}
+
+# For scheme output
+schemeOutput() {
+	case "${VCS_WC_MODIFIED}" in
+		0) VCS_WC_MODIFIED="#f" ;;
+		1) VCS_WC_MODIFIED="#t" ;;
+	esac
+	cat > "${TARGETFILE}" << EOF
+;; ${GENERATED_HEADER}
+(define VCS_TYPE        "${VCS_TYPE}")
+(define VCS_BASENAME    "${VCS_BASENAME}")
+(define VCS_UUID        "${VCS_UUID}")
+(define VCS_NUM         ${VCS_NUM})
+(define VCS_DATE        "${VCS_DATE}")
+(define VCS_BRANCH      "${VCS_BRANCH}")
+(define VCS_TAG         "${VCS_TAG}")
+(define VCS_TICK        ${VCS_TICK})
+(define VCS_EXTRA       "${VCS_EXTRA}")
+
+(define VCS_ACTION_STAMP   "${VCS_ACTION_STAMP}")
+(define VCS_FULL_HASH   "${VCS_FULL_HASH}")
+(define VCS_SHORT_HASH  "${VCS_SHORT_HASH}")
+
+(define VCS_WC_MODIFIED ${VCS_WC_MODIFIED})
+;; end
+EOF
+}
+
+# For clojure output
+clojureOutput() {
+	case "${VCS_WC_MODIFIED}" in
+		0) VCS_WC_MODIFIED="false" ;;
+		1) VCS_WC_MODIFIED="true" ;;
+	esac
+	cat > "${TARGETFILE}" << EOF
+;; ${GENERATED_HEADER}
+(def VCS_TYPE        "${VCS_TYPE}")
+(def VCS_BASENAME    "${VCS_BASENAME}")
+(def VCS_UUID        "${VCS_UUID}")
+(def VCS_NUM         ${VCS_NUM})
+(def VCS_DATE        "${VCS_DATE}")
+(def VCS_BRANCH      "${VCS_BRANCH}")
+(def VCS_TAG         "${VCS_TAG}")
+(def VCS_TICK        ${VCS_TICK})
+(def VCS_EXTRA       "${VCS_EXTRA}")
+
+(def VCS_ACTION_STAMP   "${VCS_ACTION_STAMP}")
+(def VCS_FULL_HASH      "${VCS_FULL_HASH}")
+(def VCS_SHORT_HASH     "${VCS_SHORT_HASH}")
+
+(def VCS_WC_MODIFIED ${VCS_WC_MODIFIED})
+;; end
+EOF
+}
+
+# For rpm spec file output
+rpmOutput() {
+	cat > "${TARGETFILE}" << EOF
+# ${GENERATED_HEADER}
+$([ "${VCS_TYPE}" ] && echo "%define vcs_type		${VCS_TYPE}")
+$([ "${VCS_BASENAME}" ] && echo "%define vcs_basename		${VCS_BASENAME}")
+$([ "${VCS_UUID}" ] && echo "%define vcs_uuid		${VCS_UUID}")
+$([ "${VCS_NUM}" ] && echo "%define vcs_num			${VCS_NUM}")
+$([ "${VCS_DATE}" ] && echo "%define vcs_date		${VCS_DATE}")
+$([ "${VCS_BRANCH}" ] && echo "%define vcs_branch		${VCS_BRANCH}")
+$([ "${VCS_TAG}" ] && echo "%define vcs_tag			${VCS_TAG}")
+$([ "${VCS_TICK}" ] && echo "%define vcs_tick		${VCS_TICK}")
+$([ "${VCS_EXTRA}" ] && echo "%define vcs_extra		${VCS_EXTRA}")
+
+$([ "${VCS_ACTION_STAMP}" ] && echo "%define vcs_action_stamp		${VCS_ACTION_STAMP}")
+$([ "${VCS_FULL_HASH}" ] && echo "%define vcs_full_hash		${VCS_FULL_HASH}")
+$([ "${VCS_SHORT_HASH}" ] && echo "%define vcs_short_hash		${VCS_SHORT_HASH}")
+
+$([ "${VCS_WC_MODIFIED}" ] && echo "%define vcs_wc_modified		${VCS_WC_MODIFIED}")
+# end
+EOF
+}
+
+# shellcheck disable=SC2155,SC2039
+hppOutput() {
+	local NAMESPACE="$(echo "${VCS_BASENAME}" | sed -e 's:_::g' | tr '[:lower:]' '[:upper:]')"
+	cat > "${TARGETFILE}" << EOF
+/* ${GENERATED_HEADER} */
+
+#ifndef ${NAMESPACE}_AUTOREVISION_H
+#define ${NAMESPACE}_AUTOREVISION_H
+
+#include <string>
+
+namespace $(echo "${NAMESPACE}" | tr '[:upper:]' '[:lower:]')
+{
+	const std::string VCS_TYPE		= "${VCS_TYPE}";
+	const std::string VCS_BASENAME	= "${VCS_BASENAME}";
+	const std::string VCS_UUID		= "${VCS_UUID}";
+	const int VCS_NUM				= ${VCS_NUM};
+	const std::string VCS_DATE		= "${VCS_DATE}";
+	const std::string VCS_BRANCH	= "${VCS_BRANCH}";
+	const std::string VCS_TAG		= "${VCS_TAG}";
+	const int VCS_TICK				= ${VCS_TICK};
+	const std::string VCS_EXTRA		= "${VCS_EXTRA}";
+
+	const std::string VCS_ACTION_STAMP	= "${VCS_ACTION_STAMP}";
+	const std::string VCS_FULL_HASH		= "${VCS_FULL_HASH}";
+	const std::string VCS_SHORT_HASH	= "${VCS_SHORT_HASH}";
+
+	const int VCS_WC_MODIFIED			= ${VCS_WC_MODIFIED};
+}
+
+#endif
+
+/* end */
+EOF
+}
+
+matlabOutput() {
+	case "${VCS_WC_MODIFIED}" in
+		0) VCS_WC_MODIFIED="FALSE" ;;
+		1) VCS_WC_MODIFIED="TRUE" ;;
+	esac
+	cat > "${TARGETFILE}" << EOF
+% ${GENERATED_HEADER}
+
+VCS_TYPE = '${VCS_TYPE}';
+VCS_BASENAME = '${VCS_BASENAME}';
+VCS_UUID = '${VCS_UUID}';
+VCS_NUM = ${VCS_NUM};
+VCS_DATE = '${VCS_DATE}';
+VCS_BRANCH = '${VCS_BRANCH}';
+VCS_TAG = '${VCS_TAG}';
+VCS_TICK = ${VCS_TICK};
+VCS_EXTRA = '${VCS_EXTRA}';
+
+VCS_ACTION_STAMP = '${VCS_ACTION_STAMP}';
+VCS_FULL_HASH = '${VCS_FULL_HASH}';
+VCS_SHORT_HASH = '${VCS_SHORT_HASH}';
+
+VCS_WC_MODIFIED = ${VCS_WC_MODIFIED};
+
+% end
+EOF
+}
+
+octaveOutput() {
+	cat > "${TARGETFILE}" << EOF
+% ${GENERATED_HEADER}
+
+VCS_TYPE = '${VCS_TYPE}';
+VCS_BASENAME = '${VCS_BASENAME}';
+VCS_UUID = '${VCS_UUID}';
+VCS_NUM = ${VCS_NUM};
+VCS_DATE = '${VCS_DATE}';
+VCS_BRANCH = '${VCS_BRANCH}';
+VCS_TAG = '${VCS_TAG}';
+VCS_TICK = ${VCS_TICK};
+VCS_EXTRA = '${VCS_EXTRA}';
+
+VCS_ACTION_STAMP = '${VCS_ACTION_STAMP}';
+VCS_FULL_HASH = '${VCS_FULL_HASH}';
+VCS_SHORT_HASH = '${VCS_SHORT_HASH}';
+
+VCS_WC_MODIFIED = ${VCS_WC_MODIFIED};
+
+% end
+EOF
+}
+
+cmakeOutput() {
+	cat > "${TARGETFILE}" << EOF
+# ${GENERATED_HEADER}
+
+set(VCS_TYPE ${VCS_TYPE})
+set(VCS_BASENAME ${VCS_BASENAME})
+set(VCS_UUID ${VCS_UUID})
+set(VCS_NUM ${VCS_NUM})
+set(VCS_DATE ${VCS_DATE})
+set(VCS_BRANCH ${VCS_BRANCH})
+set(VCS_TAG ${VCS_TAG})
+set(VCS_TICK ${VCS_TICK})
+set(VCS_EXTRA ${VCS_EXTRA})
+
+set(VCS_ACTION_STAMP ${VCS_ACTION_STAMP})
+set(VCS_FULL_HASH ${VCS_FULL_HASH})
+set(VCS_SHORT_HASH ${VCS_SHORT_HASH})
+
+set(VCS_WC_MODIFIED ${VCS_WC_MODIFIED})
+
+# end
+EOF
+}
+
+
+# Helper functions
+# Count path segments
+# shellcheck disable=SC2039
+pathSegment() {
+	local pathz="${1}"
+	local depth="0"
+
+	if [ ! -z "${pathz}" ]; then
+		# Continue until we are at / or there are no path separators left.
+		while [ ! "${pathz}" = "/" ] && [ ! "${pathz}" = "$(echo "${pathz}" | sed -e 's:/::')" ]; do
+			pathz="$(dirname "${pathz}")"
+			depth="$((depth+1))"
+		done
+	fi
+	echo "${depth}"
+}
+
+# Largest of four numbers
+# shellcheck disable=SC2039
+multiCompare() {
+	local larger="${1}"
+	local numA="${2}"
+	local numB="${3}"
+	local numC="${4}"
+
+	[ "${numA}" -gt "${larger}" ] && larger="${numA}"
+	[ "${numB}" -gt "${larger}" ] && larger="${numB}"
+	[ "${numC}" -gt "${larger}" ] && larger="${numC}"
+	echo "${larger}"
+}
+
+# Test for repositories
+# shellcheck disable=SC2155,SC2039
+repoTest() {
+	REPONUM="0"
+	if [ ! -z "$(git rev-parse HEAD 2>/dev/null)" ]; then
+		local gitPath="$(git rev-parse --show-toplevel)"
+		local gitDepth="$(pathSegment "${gitPath}")"
+		REPONUM="$((REPONUM+1))"
+	else
+		local gitDepth="0"
+	fi
+	if [ ! -z "$(hg root 2>/dev/null)" ]; then
+		local hgPath="$(hg root 2>/dev/null)"
+		local hgDepth="$(pathSegment "${hgPath}")"
+		REPONUM="$((REPONUM+1))"
+	else
+		local hgDepth="0"
+	fi
+	if [ ! -z "$(bzr root 2>/dev/null)" ]; then
+		local bzrPath="$(bzr root 2>/dev/null)"
+		local bzrDepth="$(pathSegment "${bzrPath}")"
+		REPONUM="$((REPONUM+1))"
+	else
+		local bzrDepth="0"
+	fi
+	if [ ! -z "$(svn info 2>/dev/null)" ]; then
+		local stringz="<wcroot-abspath>"
+		local stringx="</wcroot-abspath>"
+		local svnPath="$(svn info --xml | sed -n -e "s:${stringz}::" -e "s:${stringx}::p")"
+		# An old enough svn will not be able give us a path; default
+		# to 1 for that case.
+		if [ -z  "${svnPath}" ]; then
+			local svnDepth="1"
+		else
+			local svnDepth="$(pathSegment "${svnPath}")"
+		fi
+		REPONUM="$((REPONUM+1))"
+	else
+		local svnDepth="0"
+	fi
+
+	# Do not do more work then we have to.
+	if [ "${REPONUM}" = "0" ]; then
+		return
+	fi
+
+	# Figure out which repo is the deepest and use it.
+	local wonRepo="$(multiCompare "${gitDepth}" "${hgDepth}" "${bzrDepth}" "${svnDepth}")"
+	if [ "${wonRepo}" = "${gitDepth}" ]; then
+		gitRepo
+	elif [ "${wonRepo}" = "${hgDepth}" ]; then
+		hgRepo
+	elif [ "${wonRepo}" = "${bzrDepth}" ]; then
+		bzrRepo
+	elif [ "${wonRepo}" = "${svnDepth}" ]; then
+		svnRepo
+	fi
+}
+
+
+
+# Detect which repos we are in and gather data.
+# shellcheck source=/dev/null
+if [ -f "${CACHEFILE}" ] && [ "${CACHEFORCE}" = "1" ]; then
+	# When requested only read from the cache to populate our symbols.
+	. "${CACHEFILE}"
+else
+	# If a value is not set through the environment set VCS_EXTRA to nothing.
+	: "${VCS_EXTRA:=""}"
+	repoTest
+
+	if [ -f "${CACHEFILE}" ] && [ "${REPONUM}" = "0" ]; then
+		# We are not in a repo; try to use a previously generated cache to populate our symbols.
+		. "${CACHEFILE}"
+		# Do not overwrite the cache if we know we are not going to write anything new.
+		CACHEFORCE="1"
+	elif [ "${REPONUM}" = "0" ]; then
+		echo "error: No repo or cache detected." 1>&2
+		exit 1
+	fi
+fi
+
+
+# -s output is handled here.
+if [ ! -z "${VAROUT}" ]; then
+	if [ "${VAROUT}" = "VCS_TYPE" ]; then
+		echo "${VCS_TYPE}"
+	elif [ "${VAROUT}" = "VCS_BASENAME" ]; then
+		echo "${VCS_BASENAME}"
+	elif [ "${VAROUT}" = "VCS_NUM" ]; then
+		echo "${VCS_NUM}"
+	elif [ "${VAROUT}" = "VCS_DATE" ]; then
+		echo "${VCS_DATE}"
+	elif [ "${VAROUT}" = "VCS_BRANCH" ]; then
+		echo "${VCS_BRANCH}"
+	elif [ "${VAROUT}" = "VCS_TAG" ]; then
+		echo "${VCS_TAG}"
+	elif [ "${VAROUT}" = "VCS_TICK" ]; then
+		echo "${VCS_TICK}"
+	elif [ "${VAROUT}" = "VCS_FULL_HASH" ]; then
+		echo "${VCS_FULL_HASH}"
+	elif [ "${VAROUT}" = "VCS_SHORT_HASH" ]; then
+		echo "${VCS_SHORT_HASH}"
+	elif [ "${VAROUT}" = "VCS_WC_MODIFIED" ]; then
+		echo "${VCS_WC_MODIFIED}"
+	elif [ "${VAROUT}" = "VCS_ACTION_STAMP" ]; then
+		echo "${VCS_ACTION_STAMP}"
+	else
+		echo "error: Not a valid output symbol." 1>&2
+		exit 1
+	fi
+fi
+
+
+# Detect requested output type and use it.
+if [ ! -z "${AFILETYPE}" ]; then
+	if [ "${AFILETYPE}" = "c" ]; then
+		cOutput
+	elif [ "${AFILETYPE}" = "h" ]; then
+		hOutput
+	elif [ "${AFILETYPE}" = "xcode" ]; then
+		xcodeOutput
+	elif [ "${AFILETYPE}" = "swift" ]; then
+		swiftOutput
+	elif [ "${AFILETYPE}" = "sh" ]; then
+		shOutput
+	elif [ "${AFILETYPE}" = "py" ] || [ "${AFILETYPE}" = "python" ]; then
+		pyOutput
+	elif [ "${AFILETYPE}" = "pl" ] || [ "${AFILETYPE}" = "perl" ]; then
+		plOutput
+	elif [ "${AFILETYPE}" = "lua" ]; then
+		luaOutput
+	elif [ "${AFILETYPE}" = "php" ]; then
+		phpOutput
+	elif [ "${AFILETYPE}" = "ini" ]; then
+		iniOutput
+	elif [ "${AFILETYPE}" = "js" ]; then
+		jsOutput
+	elif [ "${AFILETYPE}" = "json" ]; then
+		jsonOutput
+	elif [ "${AFILETYPE}" = "java" ]; then
+		javaOutput
+	elif [ "${AFILETYPE}" = "javaprop" ]; then
+		javapropOutput
+	elif [ "${AFILETYPE}" = "tex" ]; then
+		texOutput
+	elif [ "${AFILETYPE}" = "m4" ]; then
+		m4Output
+	elif [ "${AFILETYPE}" = "scheme" ]; then
+		schemeOutput
+	elif [ "${AFILETYPE}" = "clojure" ]; then
+		clojureOutput
+	elif [ "${AFILETYPE}" = "rpm" ]; then
+		rpmOutput
+	elif [ "${AFILETYPE}" = "hpp" ]; then
+		hppOutput
+	elif [ "${AFILETYPE}" = "matlab" ]; then
+		matlabOutput
+	elif [ "${AFILETYPE}" = "octave" ]; then
+		octaveOutput
+	elif [ "${AFILETYPE}" = "cmake" ]; then
+		cmakeOutput
+	else
+		echo "error: Not a valid output type." 1>&2
+		exit 1
+	fi
+fi
+
+
+# If requested, make a cache file.
+if [ ! -z "${CACHEFILE}" ] && [ ! "${CACHEFORCE}" = "1" ]; then
+	TARGETFILE="${CACHEFILE}.tmp"
+	shOutput
+
+	# Check to see if there have been any actual changes.
+	if [ ! -f "${CACHEFILE}" ]; then
+		mv -f "${CACHEFILE}.tmp" "${CACHEFILE}"
+	elif cmp -s "${CACHEFILE}.tmp" "${CACHEFILE}"; then
+		rm -f "${CACHEFILE}.tmp"
+	else
+		mv -f "${CACHEFILE}.tmp" "${CACHEFILE}"
+	fi
+fi