Fix empty format strings in some packages.

var/spack/packages/cfitsio/package.py

@@ -9,11 +9,10 @@ class Cfitsio(Package):
     version('3.370', 'abebd2d02ba5b0503c633581e3bfa116')
 
     def url_for_version(self, v):
-        url = 'ftp://heasarc.gsfc.nasa.gov/software/fitsio/c/cfitsio{}.tar.gz'
+        url = 'ftp://heasarc.gsfc.nasa.gov/software/fitsio/c/cfitsio{0}.tar.gz'
         return url.format(str(v).replace('.', ''))
 
     def install(self, spec, prefix):
         configure('--prefix=' + prefix)
         make()
         make('install')
-

var/spack/packages/global/package.py

@@ -4,7 +4,7 @@
 
 class Global(Package):
     """ The Gnu Global tagging system """
-    # FIXME: add a proper url for your package's homepage here.
+
     homepage = "http://www.gnu.org/software/global"
     url = "http://tamacom.com/global/global-6.5.tar.gz"
 
@@ -13,9 +13,9 @@ class Global(Package):
     depends_on('exuberant-ctags')
 
     def install(self, spec, prefix):
-        config_args = ['--prefix={}'.format(prefix)]
+        config_args = ['--prefix={0}'.format(prefix)]
 
-        config_args.append('--with-exuberant-ctags={}'.format(
+        config_args.append('--with-exuberant-ctags={0}'.format(
             os.path.join(spec['exuberant-ctags'].prefix.bin, 'ctags')))
 
         configure(*config_args)

var/spack/packages/tmuxinator/package.py

@@ -13,5 +13,4 @@ class Tmuxinator(Package):
 
     def install(self, spec, prefix):
       gem('build', 'tmuxinator.gemspec')
-      gem('install', 'tmuxinator-{}.gem'.format(self.version))
+      gem('install', 'tmuxinator-{0}.gem'.format(self.version))
-