New seq with basic functionality to install OliveTin from github

seqs/olivetin.sh

@@ -0,0 +1,76 @@
+#!/bin/bash
+
+toolName=olivetin
+latestUrl="https://api.github.com/repos/OliveTin/OliveTin/releases/latest"
+latestVersion=
+tempExtract=
+tempInstall=
+
+# Get script working directory
+# (when called from a different directory)
+WDIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" >>/dev/null 2>&1 && pwd)"
+APTOPT=
+CONFIG=0
+SCRIPT_FILE=$(basename -- $0)
+SCRIPT_NAME=${SCRIPT_FILE%%.*}
+CONFIG_FILE_NAME="${SCRIPT_NAME}.cfg"
+CONFIG_FILE_TEMPLATE="$WDIR/${CONFIG_FILE_NAME}.example"
+
+step_config() {
+  ## or to use sequencer api with global config file:
+  #initSeqConfig "$CONFIG_FILE_NAME" "$CONFIG_FILE_TEMPLATE"
+  
+  ## or to use sequencer api with profile config file support:
+  #initSeqConfig -p "$SCRIPT_NAME" "$CONFIG_FILE_TEMPLATE"
+  #if [ $? -eq 0 ] ; then
+  #  CONFIG=1
+  #else
+  #  # End if no configuration file exists
+  #  [ $DRY -eq 0 ] && return -1
+  #fi
+
+  ## Apt cmdline option to suppress user interaction
+  [ $QUIET -ne 0 ] && APTOPT="-y"
+
+  ## Return of non zero value will abort the sequence
+  return 0
+}
+
+step_1_info() { echo "Install $toolName"; }
+step_1_alias() { ALIAS="install"; }
+step_1() {
+  downloadLatest
+
+  if [ -e "$tempInstall" ]; then
+    exe dpkg -i "$tempInstall"
+    exe systemctl --now enable OliveTin
+  fi
+}
+
+fetchLatestVersion() {
+  if [ ! -z $latestVersion ] ; then
+    return 0
+  fi
+
+  latestVersion=$(curl --silent "$latestUrl" | grep -Po '"tag_name": "\K.*(?=")')
+}
+
+downloadLatest() {
+  fetchLatestVersion
+
+  local downUrl="https://github.com/OliveTin/OliveTin/releases/download/${latestVersion}/OliveTin_${latestVersion}_linux_armv7.deb"
+
+  if [ ! -e "$tempInstall" ] ; then
+    exe mkdir -p "$tempDown"
+    exe wget -O "$tempInstall" $downUrl
+    endReturn -o $? "Download failed: $downUrl"
+  else
+    echo " [I] Found existing download: $tempInstall"
+  fi
+}
+tempDown="/tmp/olivetin"
+tempInstall="$tempDown/olivetin.deb"
+
+
+VERSION_SEQREV=13
+. /usr/local/bin/sequencer.sh