improve remove prompt (see #153)

pubs/commands/remove_cmd.py

@@ -2,6 +2,7 @@ from __future__ import unicode_literals
 
 from .. import repo
 from .. import color
+from .. import pretty
 from ..uis import get_ui
 from ..utils import resolve_citekey_list
 from ..p3 import ustr, u_maybe
@@ -25,11 +26,15 @@ def command(conf, args):
     rp = repo.Repository(conf)
 
     keys = resolve_citekey_list(repo=rp, citekeys=args.citekeys, ui=ui, exit_on_fail=True)
+    plural = 's' if len(keys) > 1 else ''
 
     if force is None:
-        are_you_sure = (("Are you sure you want to delete the publication(s) [{}]"
-            " (this will also delete associated documents)?")
-            .format(', '.join([color.dye_out(c, 'citekey') for c in args.citekeys])))
+        to_remove_str = '\n'.join(pretty.paper_oneliner(rp.pull_paper(key),
+                                                        n_authors=conf['main']['n_authors'])
+                                  for key in keys)
+        are_you_sure = (("Are you sure you want to delete the following publication{}"
+            " (this will also delete associated documents)?:\n{}\n")
+            .format(plural, to_remove_str))
         sure = ui.input_yn(question=are_you_sure, default='n')
     if force or sure:
         failed = False  # Whether something failed
@@ -42,11 +47,12 @@ def command(conf, args):
         if failed:
             ui.exit()  # Exit with nonzero error code
         else:
-            ui.message('The publication(s) [{}] were removed'.format(
+
+            ui.message('The publication{} {} were removed'.format(plural,
                 ', '.join([color.dye_out(c, 'citekey') for c in keys])))
 
         # FIXME: print should check that removal proceeded well.
     else:
-        ui.message('The publication(s) [{}] were {} removed'.format(
+        ui.message('The publication{} {} were {} removed'.format(plural,
             ', '.join([color.dye_out(c, 'citekey') for c in keys]),
             color.dye_out('not','bold')))