Giving sudo keyword in templates

Author: Heshdude

generate.py

@@ -20,6 +20,10 @@ def get_method_case(method):
       logging.error('Unpupported method in the TOML file, method: '+method)
       exit(1)
 
+def parse_line(line):
+    line = line.replace('@sudo', '$SUDO')
+    return line
+
 def generate(path):
 
    installer_toml_path = path+"/installer.toml"
@@ -38,6 +42,21 @@ def generate(path):
 PACMAN_CMD=$(which pacman) # pacman package manager for ArchLinux
 APK_CMD=$(which apk) # apk package manager for Alpine
 GIT_CMD=$(which git) # to build from source pulling from git
+SUDO_CMD=$(which sudo) # check if sudo command is there
+
+USER="$(id -un 2>/dev/null || true)"
+SUDO=''
+if [ "$USER" != 'root' ]; then
+	if $SUDO_CMD; then
+		SUDO='sudo'
+	else
+		cat >&2 <<-'EOF'
+		Error: this installer needs the ability to run commands as root.
+		We are unable to find "sudo". Make sure its available to make this happen
+		EOF
+		exit 1
+	fi
+fi
 
 """)
 
@@ -47,7 +66,8 @@ def generate(path):
          lines = parsed_toml[section]['sh']
          installer_sh.write(seperator+" "+get_method_case(section))
          for line in lines.split("\n"):
-            installer_sh.write("   "+line+"\n")
+             step = parse_line(line)
+             installer_sh.write("   "+step+"\n")
          seperator = "elif"
 
       installer_sh.write("""

installers/git/installer.sh

@@ -1,16 +1,18 @@
 #!/bin/sh
-
+      
 YUM_CMD=$(which yum) # yum package manager for RHEL & CentOS
 DNF_CMD=$(which dnf) # dnf package manager for new RHEL & CentOS
 APT_GET_CMD=$(which apt-get) # apt package manager for Ubuntu & other Debian based distributions
 PACMAN_CMD=$(which pacman) # pacman package manager for ArchLinux
 APK_CMD=$(which apk) # apk package manager for Alpine
+GIT_CMD=$(which git) # to build from source pulling from git
+SUDO_CMD=$(which sudo) # check if sudo command is there
 
 USER="$(id -un 2>/dev/null || true)"
-PREFIX=''
+SUDO=''
 if [ "$USER" != 'root' ]; then
-	if command_exists sudo; then
-		PREFIX='sudo'
+	if [ ! -z $SUDO_CMD ]; then
+		SUDO='sudo'
 	else
 		cat >&2 <<-'EOF'
 		Error: this installer needs the ability to run commands as root.
@@ -20,20 +22,25 @@ if [ "$USER" != 'root' ]; then
 	fi
 fi
 
- if [ ! -z $APT_GET_CMD ]; then
-    $PREFIX apt-get update
-    $PREFIX apt-get install git
- elif [ ! -z $DNF_CMD ]; then
-    $PREFIX dnf install git
- elif [ ! -z $YUM_CMD ]; then
-    $PREFIX yum install git
- elif [ ! -z $PACMAN_CMD ]; then
-    pacman -Sy git
- elif [ ! -z $APK_CMD ]; then
-    $PREFIX apk add git
- else
-    echo "Couldn't find an installer matching to this package"
-    exit 1;
- fi
+echo $SUDO
 
-git --version
+if [ ! -z $APT_GET_CMD ]; then
+   $SUDO apt-get update
+   $SUDO apt-get install git
+   
+elif [ ! -z $YUM_CMD ]; then
+   $SUDO yum install git
+   
+elif [ ! -z $PACMAN_CMD ]; then
+   pacman -Sy git
+   
+elif [ ! -z $DNF_CMD ]; then
+   $SUDO dnf install git
+   
+elif [ ! -z $APK_CMD ]; then
+   $SUDO apk add git
+   
+else
+   echo "Couldn't install package"
+   exit 1;
+fi

installers/git/installer.toml

@@ -1,12 +1,12 @@
 [apt]
 sh = """
-sudo apt-get update
-sudo apt-get install git
+@sudo apt-get update
+@sudo apt-get install git
 """
 
 [yum]
 sh = """
-sudo yum install git
+@sudo yum install git
 """
 
 [pacman]
@@ -16,10 +16,10 @@ pacman -Sy git
 
 [dnf]
 sh = """
-sudo dnf install git
+@sudo dnf install git
 """
 
 [apk]
 sh = """
-sudo apk add git
+@sudo apk add git
 """