snap-sync.bash: rename bash version of snap-sync to snap-sync.bash

Signed-off-by: Ralf Zerres <ralf.zerres@networkx.de>

bin/snap-sync.bash

@@ -34,9 +34,9 @@ name="snap-sync"
 SNAPPER_CONFIG=/etc/conf.d/snapper
 
 TMPDIR=$(mktemp -d)
-PIPE=$TMPDIR/$name.out
+PIPE=$TMPDIR/$progname.out
 mkfifo $PIPE
-systemd-cat -t "$name" < $PIPE &
+systemd-cat -t "$progname" < $PIPE &
 exec 3>$PIPE
 
 donotify=0
@@ -49,7 +49,7 @@ notify() {
     for u in $(users | sed 's/ /\n/' | sort -u); do
         sudo -u $u DISPLAY=:0 \
         DBUS_SESSION_BUS_ADDRESS=unix:path=/run/user/$(sudo -u $u id -u)/bus \
-        notify-send -a $name "$1" "$2" --icon="dialog-$3"
+        notify-send -a $progname "$1" "$2" --icon="dialog-$3"
     done
 }
 
@@ -84,7 +84,7 @@ traperror() {
     printf "exit status: %s\n" "$2"
     printf "command: %s\n" "$3"
     printf "bash line: %s\n" "$4"
-    printf "function name: %s\n" "$5"
+    printf "function progname: %s\n" "$5"
     exit 1
 }
 
@@ -92,13 +92,13 @@ trapkill() {
     die "Exited due to user intervention."
 }
 
-trap 'traperror ${LINENO} $? "$BASH_COMMAND" $BASH_LINENO "${FUNCNAME[@]}"' ERR
+trap 'traperror ${LINENO} $? "$BASH_COMMAND" $BASH_LINENO "${FUNCPROGNAME[@]}"' ERR
 trap trapkill SIGTERM SIGINT
 
 usage() {
   cat <<EOF
-$name $version
+$progname $version
-Usage: $name [options]
+Usage: $progname [options]
 
 Options:
  -d, --description <desc> Change the snapper description. Default: "latest incremental backup"
@@ -110,7 +110,7 @@ Options:
  -u, --UUID <UUID>        Specify the UUID of the mounted BTRFS subvolume to back up to. Otherwise will prompt.
                           If multiple mount points are found with the same UUID, will prompt user.
  -s, --subvolid <subvlid> Specify the subvolume id of the mounted BTRFS subvolume to back up to. Defaults to 5.
- --remote <address>       Send the snapshot backup to a remote machine. The snapshot will be sent via ssh. You 
+     --remote <address>   Send the snapshot backup to a remote machine. The snapshot will be sent via ssh. You 
                           should specify the remote machine's hostname or ip address. The 'root' user must be 
                           permitted to login on the remote machine.
 EOF
@@ -151,7 +151,7 @@ while [[ $# -gt 0 ]]; do
             shift 2
 	    ;;
         *)
-            die "Unknown option: $key\nRun '$name -h' for valid options.\n"
+            die "Unknown option: $key\nRun '$progname -h' for valid options.\n"
         ;;
     esac
 done
@@ -280,8 +280,8 @@ for x in $selected_configs; do
         continue
     fi
 
-    if [[ "$(snapper -c $x list -t single | awk '/'$name' backup in progress/ {cnt++} END {print cnt}')" -gt 0 ]]; then
+    if [[ "$(snapper -c $x list -t single | awk '/'$progname' backup in progress/ {cnt++} END {print cnt}')" -gt 0 ]]; then
-        printf "\nNOTE: Previous failed %s backup snapshots found for '%s'.\n" "$name" "$x" | tee $PIPE
+        printf "\nNOTE: Previous failed %s backup snapshots found for '%s'.\n" "$progname" "$x" | tee $PIPE
         read -r -p "Delete failed backup snapshots [y/N]? " delete_failed
         while [[ -n "$delete_failed" && "$delete_failed" != [Yy]"es" &&
             "$delete_failed" != [Yy] && "$delete_failed" != [Nn]"o" &&
@@ -294,7 +294,7 @@ for x in $selected_configs; do
             fi
         done
         if [[ "$delete_failed" == [Yy]"es" || "$delete_failed" == [Yy] ]]; then
-            snapper -c $x delete $(snapper -c $x list | awk '/'$name' backup in progress/ {print $3}')
+            snapper -c $x delete $(snapper -c $x list | awk '/'$progname' backup in progress/ {print $3}')
         fi
     fi
 
@@ -333,7 +333,7 @@ for x in $selected_configs; do
     MYBACKUPDIR_ARRAY[$i]="$mybackupdir"
 
     printf "Creating new snapshot for %s...\n" "$x" | tee $PIPE
-    new_num=$(snapper -c "$x" create --print-number -d "$name backup in progress")
+    new_num=$(snapper -c "$x" create --print-number -d "$progname backup in progress")
     new_snap=$SUBVOLUME/.snapshots/$new_num/snapshot
     new_info=$SUBVOLUME/.snapshots/$new_num/info.xml
     sync