create ignored packages file if not existent in ignore command

pman.sh

@@ -7,6 +7,7 @@ shift
 command=""
 more_arguments=false
 su_needed=false
+ignoredpkgs_file="/etc/pacman.d/ignorepkg"
 
 # If sudo is needed and necessary (and installed), prepend it, if not installed throw error
 check_sudo() {
@@ -14,7 +15,7 @@ check_sudo() {
     if command -v "sudo" &>/dev/null; then
       command="sudo $command"
     else
-      echo "sudo command needed but not found" > /dev/stderr
+      echo "\`sudo\` command needed but not found" >&2
       exit 1
     fi
   fi
@@ -42,31 +43,47 @@ elif [ "$command_args" = "reflector" ]; then
   command_args=$(cat /etc/pacman.d/mirrorlist 2>/dev/null | grep -e "With.*reflector" | sed 's/#.*reflector //')
   # Check if reflector was actually used to generate the mirrorlist
   if [ "$command_args" = "" ]; then
-    echo "Error: reflector was not used to generate mirrorlist or mirrorlist location differ from standard"
+    echo "Error: reflector was not used to generate mirrorlist or mirrorlist location differ from standard" >&2
     exit 1
   fi
   su_needed=true
 elif [ "$command_args" = "ignored" ]; then
+  if [ ! -f "$ignoredpkgs_file" ]; then
+    echo "Error: $ignoredpkgs_file does not exist, no packages ignored" >&2
+    echo "use $0 ignore <pkgname> to start" >&2
+    exit 1
+  fi
   command="echo"
-  command_args="$(cat /etc/pacman.d/ignorepkg | sed 's/IgnorePkg = //' | sort)"
+  command_args="$(cat $ignoredpkgs_file | sed 's/IgnorePkg = //' | sort)"
 elif [ "$command_args" = "ignore" ]; then
+  if [ ! -f "$ignoredpkgs_file" ]; then
+    su_needed=true
+    command="touch"
+    command_args="$ignoredpkgs_file"
+    execute_command
+  fi
   for pkg in "${@}"; do
-    if [ "$(grep -e "$pkg$" /etc/pacman.d/ignorepkg)" != "" ]; then
+    if [ "$(grep -e "$pkg$" $ignoredpkgs_file)" != "" ]; then
       echo "$pkg is already ignored, skipping..."
       continue
     fi
     command="tee"
-    command_args="-a /etc/pacman.d/ignorepkg"
+    command_args="-a $ignoredpkgs_file"
     su_needed=true
     echo "IgnorePkg = $pkg" | execute_command &>/dev/null
   done
   exit 0
 elif [ "$command_args" = "unignore" ]; then
+  if [ ! -f "$ignoredpkgs_file" ]; then
+    echo "Error: $ignoredpkgs_file does not exist, no packages ignored" >&2
+    echo "use $0 ignore <pkgname> to start" >&2
+    exit 1
+  fi
   for pkg in "${@}"; do
     command="sed"
     su_needed=true
     check_sudo
-    $command -i "/IgnorePkg = $pkg/d" /etc/pacman.d/ignorepkg
+    $command -i "/IgnorePkg = $pkg/d" $ignoredpkgs_file
   done
   exit 0
 fi
@@ -92,7 +109,7 @@ case "$command_args" in
     # Update the cache
     su_needed=true
     command_args="-Fy"
-    execute_command "${@}"
+    execute_command
 
     su_needed=false
     command_args="-F"
@@ -101,7 +118,7 @@ case "$command_args" in
     # Update the cache
     su_needed=true
     command_args="-Fy"
-    execute_command "${@}"
+    execute_command
 
     su_needed=false
     command_args="-Fl"