Update WordPress plugin in plugin directory

gistfile1.txt

# CD into local directory of files (Or checkout if don't have).
cd my-local-dir/

# Check it's up to date.
svn up

# Make changes to the files in the trunk directory then check them against the remote.
# Files are flagged with M for modified.
svn stat

# Commit the changes with a message.
svn ci -m "New features"

# Copy the new release from trunk to a new tags folder and tag in the repository.
svn cp trunk tags/version-number
svn ci -m "tagging version version-number"