Initial updater implementation

1 files changed, 142 insertions, 39 deletions

diff --git a/installer.sh b/installer.sh
index fd4dd91..527904c 100755
--- a/installer.sh
+++ b/installer.sh
@@ -4,8 +4,11 @@
 deps=(libasound2-dev libevdev-dev liblua5.3-dev libjack-jackd2-dev pkg-config libssl-dev gcc make wget git)
 user=$(whoami)                  # for bypassing user check replace "$(whoami)" with "root".
 
-script_path="`cd $0; pwd`"      # Script dir
 tmp_path=$(mktemp -d)           # Repo download path
+updater_dir=/etc/midimonster-updater-installer       # Updater download + config path
+updater_file=$updater_dir/updater.conf                   # 
+
+latest_version=$(curl --silent "https://api.github.com/repos/cbdevnet/midimonster/releases/latest" | grep '"tag_name":' | sed -E 's/.*"([^"]+)".*/\1/')
 
 makeargs=all                    # Build args
 
@@ -15,6 +18,9 @@ VAR_PLUGINS="$VAR_PREFIX/lib/midimonster"
 VAR_DEFAULT_CFG="/etc/midimonster/midimonster.cfg"
 VAR_EXAMPLE_CFGS="$VAR_PREFIX/share/midimonster"
 
+bold=$(tput bold)
+normal=$(tput sgr0)
+
 ################################################ SETUP ################################################
 
 ############################################## FUNCTIONS ##############################################
@@ -23,58 +29,127 @@ INSTALL-DEPS () {           ##Install deps from array "$deps"
 for t in ${deps[@]}; do
     if [ $(dpkg-query -W -f='${Status}' $t 2>/dev/null | grep -c "ok installed") -eq 0 ];
     then
-        echo "Installing "$t"";
+        printf "\nInstalling "$t"";
         apt-get install $t;
-        echo "Done.";
+        printf "\nDone.";
     else
-        echo ""$t" already installed!"
-
+        printf "\n"$t" already installed!"
     fi
 done
-echo ""
+printf "\n"
 }
 
 INSTALL-PREP () {
 (#### Subshell make things like cd $tmp_path easier to revert
-    echo "Starting download..."
+    printf "\nStarting download..."
     git clone https://github.com/cbdevnet/midimonster.git "$tmp_path" # Gets Midimonster   
-    echo ""
-    echo ""
-    echo "Initializing repository..."
+    printf "\n\n\nInitializing repository..."
     cd $tmp_path
     git init $tmp_path
-    echo ""
-    echo "Finding latest stable version..."
-    Iversion=$(git describe --abbrev=0)                            # Get last tag(stable version)
-    echo "Starting Git checkout to "$Iversion"..."
-    git checkout -f -q $Iversion
-    echo "Done."
- )
+    printf "\n"
+    
+    read -p "Do you want to install the nightly version? (y/n)? " magic      #Asks for nightly version
+    case "$magic" in 
+    y|Y )   printf "\nOK! You´re a risky person ;D"
+            NIGHTLY=1
+            ;;
+    n|N )   printf "\nThat´s ok I´ll install the latest stable version for you ;-)"
+            NIGHTLY=0
+            ;;
+      * )   printf "\nInvalid input"
+            ERROR
+            ;;
+    esac
+
+    if [ $NIGHTLY != 1 ]; then printf "\nFinding latest stable version..."; Iversion=$(git describe --abbrev=0); printf "\nStarting Git checkout to "$Iversion"..."; git checkout -f -q $Iversion; fi # Git checkout if NIGHTLY !=1
+    printf "\nPreparing Done.\n\n\n"
+)
+printf "${bold}If you don't know what you're doing, just hit enter 4 times.${normal}\n"
+
+read -e -i "$VAR_PREFIX" -p "PREFIX (Install root directory): " input # Reads VAR_PREFIX
+VAR_PREFIX="${input:-$VAR_PREFIX}"
+
+read -e -i "$VAR_PLUGINS" -p "PLUGINS (Plugin directory): " input # Reads VAR_PLUGINS
+VAR_PLUGINS="${input:-$VAR_PLUGINS}"
+
+read -e -i "$VAR_DEFAULT_CFG" -p "Default config path: " input # Reads VAR_DEFAULT_CFG
+VAR_DEFAULT_CFG="${input:-$VAR_DEFAULT_CFG}"
+
+read -e -i "$VAR_EXAMPLE_CFGS" -p "Example config directory: " input # Reads VAR_EXAMPLE_CFGS
+VAR_EXAMPLE_CFGS="${input:-$VAR_EXAMPLE_CFGS}"
+
+UPDATER_SAVE
+
+export PREFIX=$VAR_PREFIX
+export PLUGINS=$VAR_PLUGINS
+export DEFAULT_CFG=$VAR_DEFAULT_CFG
+export DESTDIR=$VAR_DESTDIR
+export EXAMPLES=$VAR_EXAMPLE_CFGS
+}
+
+UPDATER-PREP () {
+(#### Subshell make things like cd $tmp_path easier to revert
 
-    echo ""
-    echo ""
-    echo ""
 
-    read -e -i "$VAR_PREFIX" -p "PREFIX (Install root directory): " input # Reads VAR_PREFIX
-    VAR_PREFIX="${input:-$VAR_PREFIX}"
+    printf "\nStarting download..."
+    git clone https://github.com/cbdevnet/midimonster.git "$tmp_path" # Gets Midimonster   
+    printf "\n\n"
+    printf "\nInitializing repository..."
+    cd $tmp_path
+    git init $tmp_path
+    printf "\n"
+
+    read -p "Do you want to install the nightly version? (y/n)? " magic      #Asks for nightly version
+    case "$magic" in 
+    y|Y )   printf "\nOK! You´re a risky person ;D"
+            NIGHTLY=1
+            ;;
+    n|N )   printf "\nThat´s ok I´ll install the latest stable version for you ;-)"
+            NIGHTLY=0
+            ;;
+      * )   printf "\nInvalid input"
+            ERROR
+            ;;
+    esac
+
+    if [ $NIGHTLY != 1 ]; then printf "\nFinding latest stable version..."; Iversion=$(git describe --abbrev=0); printf "\nStarting Git checkout to "$Iversion"..."; git checkout -f -q $Iversion; fi # Git checkout if NIGHTLY !=1
+    printf "\nDone.\n\n\n"
+ )
 
-    read -e -i "$VAR_PLUGINS" -p "PLUGINS (Plugin directory): " input # Reads VAR_PLUGINS
-    VAR_PLUGINS="${input:-$VAR_PLUGINS}"
 
-    read -e -i "$VAR_DEFAULT_CFG" -p "Default config path: " input # Reads VAR_DEFAULT_CFG
-    VAR_DEFAULT_CFG="${input:-$VAR_DEFAULT_CFG}"
+rm -f "$VAR_PREFIX/bin/midimonster"
+rm -rf "$VAR_PLUGINS/"
 
-    read -e -i "$VAR_EXAMPLE_CFGS" -p "Example config directory: " input # Reads VAR_EXAMPLE_CFGS
-    VAR_EXAMPLE_CFGS="${input:-$VAR_EXAMPLE_CFGS}"
+UPDATER_SAVE
 
+export PREFIX=$VAR_PREFIX
+export PLUGINS=$VAR_PLUGINS
+export DEFAULT_CFG=$VAR_DEFAULT_CFG
+export DESTDIR=$VAR_DESTDIR
+export EXAMPLES=$VAR_EXAMPLE_CFGS
 
-    export PREFIX=$VAR_PREFIX
-    export PLUGINS=$VAR_PLUGINS
-    export DEFAULT_CFG=$VAR_DEFAULT_CFG
-    export DESTDIR=$VAR_DESTDIR
-    export EXAMPLES=$VAR_EXAMPLE_CFGS
+printf "\nSucessfully imported Updater settings from $updater_file."
 }
 
+UPDATER () {
+    installed_version="$(midimonster --version)"
+    #installed_version="MIDIMonster v0.3-40-gafed325" # FOR TESTING ONLY! (or bypassing updater version check)
+    if [[ "$installed_version" =~ "$latest_version" ]]; then
+        printf "\nNewest Version is already installed! ${bold}($installed_version)${normal}\n\n"
+        ERROR
+    else
+        printf "\nThe installed Version ${bold}´$installed_version´${normal} equals not the newest stable version ${bold}´$latest_version´${normal} ( Maybe you are running on nightly? )\n\n"
+    fi
+
+    UPDATER-PREP
+    INSTALL-RUN
+
+    printf "\nUpdating updater/installer script in $updater_dir"
+    wget "https://raw.githubusercontent.com/cbdevnet/midimonster/master/installer.sh" -O $updater_dir
+    chmod +x $updater_dir/installer.sh
+    DONE
+    }
+
 INSTALL-RUN () {                                    # Build
     cd "$tmp_path"
     make clean
@@ -82,20 +157,33 @@ INSTALL-RUN () {                                    # Build
     make install
 }
 
+UPDATER_SAVE () {                                   # Saves file for the auto updater in this script
+    rm -rf $updater_dir
+    printf "\nSaving updater to $updater_dir/installer.sh" 
+    mkdir -p "$updater_dir"
+    wget https://raw.githubusercontent.com/cbdevnet/midimonster/master/installer.sh -O $updater_dir/installer.sh
+    printf "\nCreating symlink to updater/installer in /usr/bin/midimonster-updater-installer"
+    ln -s "$updater_dir/installer.sh" "/usr/bin/midimonster-updater-installer"
+    chmod +x "$updater_dir/installer.sh"
+    printf "\nExporting updater config to $updater_file"
+    printf "VAR_PREFIX=%s\nVAR_PLUGINS=%s\nVAR_DEFAULT_CFG=%s\nVAR_DESTDIR=%s\nVAR_EXAMPLE_CFGS=%s\n" "$VAR_PREFIX" "$VAR_PLUGINS" "$VAR_DEFAULT_CFG" "$VAR_DESTDIR" "$VAR_EXAMPLE_CFGS" > $updater_file
+}
+
 ERROR () {
-    echo "Aborting..."
+    printf "\nAborting..."
     CLEAN
+    printf "Exiting...\n\n\n"
     exit 1
 }
 
 DONE () {
-    echo Done.
+    printf "\n\nDone."
     CLEAN
     exit 0
 }
 
 CLEAN () {
-    echo "Cleaning..."
+    printf "\nCleaning...\n\n"
     rm -rf $tmp_path
 }
 
@@ -106,11 +194,26 @@ CLEAN () {
 trap ERROR SIGINT SIGTERM SIGKILL
 clear
 
-if [ $user != "root" ]; then echo "Installer must be run as root"; ERROR; fi    # Check if $user = root!
+if [ "$user" != "root" ]; then printf "\nInstaller must be run as root"; ERROR; fi    # Check if $user = root!
+if [ $(wget -q --spider http://github.com) $? -eq 1 ]; then printf "\nYou need connection to the internet"; ERROR; fi
+
+if [ -f $updater_file ] # Checks if updater config file exist and import it(overwrite default values!)
+then
+    
+    printf "\nStarting updater...\n\n"
+    . $updater_file
+
+    if [ -x "$VAR_PREFIX/bin/midimonster" ] # Check if binary $updater/bin/midimonster exist. If yes start updater else skip.
+    then
+        UPDATER
+    else
+        printf "\nMidimonster binary not found, skipping updater.\n"
+    fi
 
-if [ $(wget -q --spider http://github.com) $? -eq 0 ]; then "INSTALL-DEPS"; else echo You need connection to the internet; ERROR ; fi
+fi
 
+INSTALL-DEPS
 INSTALL-PREP
-echo ""
+printf "\n"
 INSTALL-RUN
 DONE
\ No newline at end of file