init commit - from cookiecutter

1 files changed, 96 insertions, 0 deletions

diff --git a/utility/install_os_dependencies.sh b/utility/install_os_dependencies.sh
new file mode 100755
index 0000000..ec9372f
--- /dev/null
+++ b/utility/install_os_dependencies.sh
@@ -0,0 +1,96 @@
+#!/bin/bash
+
+WORK_DIR="$(dirname "$0")"
+DISTRO_NAME=$(lsb_release -sc)
+OS_REQUIREMENTS_FILENAME="requirements-$DISTRO_NAME.apt"
+
+cd $WORK_DIR
+
+# Check if a requirements file exist for the current distribution.
+if [ ! -r "$OS_REQUIREMENTS_FILENAME" ]; then
+    cat <<-EOF >&2
+		There is no requirements file for your distribution.
+		You can see one of the files listed below to help search the equivalent package in your system:
+		$(find ./ -name "requirements-*.apt" -printf "  - %f\n")
+	EOF
+    exit 1;
+fi
+
+# Handle call with wrong command
+function wrong_command()
+{
+    echo "${0##*/} - unknown command: '${1}'" >&2
+    usage_message
+}
+
+# Print help / script usage
+function usage_message()
+{
+    cat <<-EOF
+		Usage: $WORK_DIR/${0##*/} <command>
+		Available commands are:
+		    list        Print a list of all packages defined on ${OS_REQUIREMENTS_FILENAME} file
+		    help        Print this help
+
+		Commands that require superuser permission:
+		    install     Install packages defined on ${OS_REQUIREMENTS_FILENAME} file. Note: This
+		                does not upgrade the packages already installed for new versions, even if
+		                new version is available in the repository.
+		    upgrade     Same that install, but upgrade the already installed packages, if new
+		                version is available.
+	EOF
+}
+
+# Read the requirements.apt file, and remove comments and blank lines
+function list_packages(){
+    grep -v "#" "${OS_REQUIREMENTS_FILENAME}" | grep -v "^$";
+}
+
+function install_packages()
+{
+    list_packages | xargs apt-get --no-upgrade install -y;
+}
+
+function upgrade_packages()
+{
+    list_packages | xargs apt-get install -y;
+}
+
+function install_or_upgrade()
+{
+    P=${1}
+    PARAN=${P:-"install"}
+
+    if [[ $EUID -ne 0 ]]; then
+        cat <<-EOF >&2
+			You must run this script with root privilege
+			Please do:
+			sudo $WORK_DIR/${0##*/} $PARAN
+		EOF
+        exit 1
+    else
+
+        apt-get update
+
+        # Install the basic compilation dependencies and other required libraries of this project
+        if [ "$PARAN" == "install" ]; then
+            install_packages;
+        else
+            upgrade_packages;
+        fi
+
+        # cleaning downloaded packages from apt-get cache
+        apt-get clean
+
+        exit 0
+    fi
+}
+
+# Handle command argument
+case "$1" in
+    install) install_or_upgrade;;
+    upgrade) install_or_upgrade "upgrade";;
+    list) list_packages;;
+    help|"") usage_message;;
+    *) wrong_command "$1";;
+esac