[Bug 2017840] [NEW] ifupdown resolved script has typo

[CH]

Public bug reported:

This error happens when you try to run ifup or ifdown:

```
# ifdown enp3s0
/etc/network/if-down.d/resolved: 12: mystatedir: not found

# ifup enp3s0
/etc/network/if-up.d/resolved: 12: mystatedir: not found
```

Here's the first 12 lines of those scripts:
```
# head -n 12 /etc/network/if-up.d/resolved

#!/bin/sh
#
# Script fragment to make ifupdown supply DNS infromation to resolved
#

case "$ADDRFAM" in
    inet|inet6) : ;;
    *) exit 0 ;;
esac

if systemctl is-enabled systemd-resolved > /dev/null 2>&1; then
    mystatedir statedir ifindex interface
```

I'm thinking that the word `local` should appear before `mystatedir` on line 12.
The `shellcheck` command is ok with that line, but only because it's not checking to see if `mystatedir` is an executable in the $PATH.

** Affects: systemd (Ubuntu)
     Importance: Undecided
         Status: New

** Description changed:

  This error happens when you try to run ifup or ifdown:
  
  ```
  # ifdown enp3s0
  /etc/network/if-down.d/resolved: 12: mystatedir: not found
  
  # ifup enp3s0
  /etc/network/if-up.d/resolved: 12: mystatedir: not found
  ```
  
- Here's the first lines of that script:
+ Here's the first 12 lines of those scripts:
  ```
  # head -n 12 /etc/network/if-up.d/resolved
-  
+ 
  #!/bin/sh
  #
  # Script fragment to make ifupdown supply DNS infromation to resolved
  #
  
  case "$ADDRFAM" in
-     inet|inet6) : ;;
-     *) exit 0 ;;
- esac            
+     inet|inet6) : ;;
+     *) exit 0 ;;
+ esac
  
  if systemctl is-enabled systemd-resolved > /dev/null 2>&1; then
-     mystatedir statedir ifindex interface
+     mystatedir statedir ifindex interface
  ```
  
  I'm thinking that the word `local` should appear before `mystatedir` on line 12.
  The `shellcheck` command is ok with that line, but only because it's not checking to see if `mystatedir` is an executable in the $PATH.

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https://bugs.launchpad.net/bugs/2017840

Title:
  ifupdown resolved script has typo

Status in systemd package in Ubuntu:
  New

Bug description:
  This error happens when you try to run ifup or ifdown:

  ```
  # ifdown enp3s0
  /etc/network/if-down.d/resolved: 12: mystatedir: not found

  # ifup enp3s0
  /etc/network/if-up.d/resolved: 12: mystatedir: not found
  ```

  Here's the first 12 lines of those scripts:
  ```
  # head -n 12 /etc/network/if-up.d/resolved

  #!/bin/sh
  #
  # Script fragment to make ifupdown supply DNS infromation to resolved
  #

  case "$ADDRFAM" in
      inet|inet6) : ;;
      *) exit 0 ;;
  esac

  if systemctl is-enabled systemd-resolved > /dev/null 2>&1; then
      mystatedir statedir ifindex interface
  ```

  I'm thinking that the word `local` should appear before `mystatedir` on line 12.
  The `shellcheck` command is ok with that line, but only because it's not checking to see if `mystatedir` is an executable in the $PATH.

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