add install.sh

install.sh

@@ -0,0 +1,51 @@
+#!/usr/bin/env bash
+
+[ "$(whoami)" != "root" ] && echo "Error: installation only works as root!" >&2 && exit 1
+
+API_ENDPOINT="https://git.ccc-rheintal.ch/api/v1/repos/spacefreak/pbc"
+
+TMPDIR=''
+function cleanup_tmpdir() {
+  [ -n "$TMPDIR" -a -d "$TMPDIR" ] && rm -r "$TMPDIR"
+  trap - EXIT
+}
+
+function download_files() {
+  local path
+  local query_params=''
+  [ -n "$GIT_TAG" ] && query_params="?ref=$GIT_TAG"
+
+  while [ -n "$1" ]; do
+    path=$1
+    shift
+    curl -s --output-dir "$TMPDIR/" --remote-name "$API_ENDPOINT/raw/$path$query_params"
+    rc=$?
+    if (( $rc != 0 )); then
+      return $rc
+    fi
+  done
+}
+
+GIT_TAG=$(curl -s "$API_ENDPOINT/tags" | jq -r '.[] | .name' | sort --version-sort | tail -n 1)
+if [ -n "$GIT_TAG" ]; then
+  echo "Info: installing pbc version $GIT_TAG"
+else
+  echo "Warning: no Git tag found, installing from repository default branch" >&2
+fi
+
+TMPDIR=$(mktemp -d)
+trap cleanup_tmpdir EXIT
+
+! download_files config.example pbc && echo "Error downloading files!" >&2 && exit 10
+chmod +x "$TMPDIR/pbc"
+
+"$TMPDIR/pbc" install
+rc=$?
+if (( $? != 0 )); then
+  echo "Error installing pbc requirements!" >&2
+  exit $rc
+fi
+
+! mv "$TMPDIR/pbc" /usr/local/bin/pbc && echo 'Error moving pbc to /usr/local/bin/pbc !' >&2 && exit 20
+
+echo "Success!"