1 files changed, 75 insertions, 0 deletions
diff --git a/dscip b/dscip
new file mode 100755
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+++ b/dscip
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+#!/bin/sh
+set -e
+# Variables that control the program. #
+# GIT Repo #
+DSCIP_GITREPO="https://www.example.com/example/example.git"
+# GIT MODE:                                                   #
+# pull: Doesn't delete previous clone and just pulls changes. #
+# clone: Deletes previous clone, and creates a fresh clone.   #
+DSCIP_GITMODE="clone"
+# Branch to check #
+DSCIP_BRANCH="master"
+WORKING_DIRECTORY="/tmp/example"
+# Commands to run before building. #
+DSCIP_PRE_CMD="$WORKING_DIRECTORY/pre.sh"
+# Commands to run to build program. #
+DSCIP_BUILD_CMD="$WORKING_DIRECTORY/build.sh"
+# Commands to run after building is done. #
+DSCIP_POST_CMD="$WORKING_DIRECTORY/post.sh"
+# Daemon mode options #
+DSCIP_DAEMON="false"
+DSCIP_SLEEP="60" # How many seconds before the daemon re-runs itself. #
+
+################################################################################
+
+build () {
+	if [ "$DSCIP_GITMODE" = "clone" ]; then
+		rm -rf "$WORKING_DIRECTORY/wrkdir" # Clean Up #
+		git clone -b $DSCIP_BRANCH $DSCIP_GITREPO wrkdir # Clone git #
+	elif [ "$DSCIP_GITMODE" = "pull" ]; then
+		if [ ! -d "$WORKING_DIRECTORY/wrkdir" ]; then
+			git clone -b $DSCIP_BRANCH $DSCIP_GITREPO wrkdir
+		fi
+		cd wrkdir
+		git pull
+	else
+		echo "Invalid GITMODE, choose either 'clone' or 'pull'"
+		exit 1
+	fi
+	cd $WORKING_DIRECTORY/wrkdir
+	$DSCIP_PRE_CMD
+	cd $WORKING_DIRECTORY/wrkdir
+	$DSCIP_BUILD_CMD
+	cd $WORKING_DIRECTORY/wrkdir
+	$DSCIP_POST_CMD
+	mkdir -p $WORKING_DIRECTORY/meta
+	echo "$CURRENT_COMMIT" > $WORKING_DIRECTORY/meta/LAST_COMMIT # Save commit #
+}
+
+run () {
+	mkdir -p $WORKING_DIRECTORY
+	cd $WORKING_DIRECTORY
+
+	# Loads last commit hash if it exists. # 
+	if [ -f "$WORKING_DIRECTORY/meta/LAST_COMMIT" ]; then
+		LAST_COMMIT="$(cat $WORKING_DIRECTORY/meta/LAST_COMMIT)"
+	fi
+
+	# Loads current commit hash #
+	CURRENT_COMMIT=$(git ls-remote $DSCIP_GITREPO | awk "/refs\/(heads|tags)\/$DSCIP_BRANCH/{print \$1}")
+
+	# If LAST_COMMIT doesn't exist, that means it's a first run and we can go ahead and build. #
+	if [ -z "$LAST_COMMIT" ]; then
+		build
+	elif [ ! "$LAST_COMMIT" = "$CURRENT_COMMIT" ]; then # If the last commit and current commit don't match, then we go ahead and build.
+		build
+	fi
+}
+
+run
+while [ "$DSCIP_DAEMON" = "true" ]; do
+	sleep $DSCIP_SLEEP
+	run
+done
+
+exit 0