How do you install spotify for clementine 1.2

You can try to install the spotify plugin manually from the clementine repository.
You should grab the last blob & libspotify.so files.

1) Close Clementine application.

• pkill clementine

2) Intall wget to download the plugin.

• sudo apt-get install wget

For 32-bit

3) Create the folder structure for the plugin.

• mkdir -p -m 775 ~/.config/Clementine/spotifyblob/version14-32bit/

4) Go to the plugin folder.

• cd ~/.config/Clementine/spotifyblob/version14-32bit/

5) Download the plugin.

• wget http://spotify.clementine-player.org/version14-32bit/blob

• wget http://spotify.clementine-player.org/version14-32bit/libspotify.so.12.1.45

6) Give the correct perms to the plugin.

• chmod 775 blob libspotify.so.12.1.45

Edit as per relaytheurgency comment

7) Rename the libspotify.so.12.1.45 to libspotify.so.12

• mv libspotify.so.12.1.45 libspotify.so.12

For 64-bit

3) Create the folder structure for the plugin.

• mkdir -p -m 775 ~/.config/Clementine/spotifyblob/version14-64bit/

4) Go to the plugin folder.

• cd ~/.config/Clementine/spotifyblob/version14-64bit/

5) Download the plugin.

• wget http://spotify.clementine-player.org/version14-64bit/blob

• wget http://spotify.clementine-player.org/version14-64bit/libspotify.so.12.1.45

6) Give the correct perms to the plugin.

• chmod 775 blob libspotify.so.12.1.45

Edit as per relaytheurgency comment.

7) Rename the libspotify.so.12.1.45 to libspotify.so.12

• mv libspotify.so.12.1.45 libspotify.so.12

8) Open Clementine and go to Menubar > Tools > Preferences > Internet providers > Spotify to set your account.

Before:

After:

NOTE: In this example I'm running Ubuntu 13.04 64-bit with Clementine 1.2

Hope this helps.