tests/test-bookmarks.out

branch heads: fix regression introduced in e67e5b60e55f (issue1726)

For merge nodes it is not adequate to only check a single possible
branch head for whether it is an ancestor of the latest head, but it
needs to be done for each possible branch head.

% no bookmarks
no bookmarks set
% bookmark rev -1
% list bookmarks
 * X                         -1:000000000000
% bookmark X moved to rev 0
 * X                         0:f7b1eb17ad24
% look up bookmark
changeset:   0:f7b1eb17ad24
tag:         X
tag:         tip
user:        test
date:        Thu Jan 01 00:00:00 1970 +0000
summary:     0

% second bookmark for rev 0
% bookmark rev -1 again
% list bookmarks
 * X2                        0:f7b1eb17ad24
 * X                         0:f7b1eb17ad24
   Y                         -1:000000000000
% bookmarks X and X2 moved to rev 1, Y at rev -1
 * X2                        1:925d80f479bb
 * X                         1:925d80f479bb
   Y                         -1:000000000000
% bookmark rev 0 again
% bookmarks X and X2 moved to rev 2, Y at rev -1, Z at rev 0
 * X2                        2:0316ce92851d
 * X                         2:0316ce92851d
   Z                         0:f7b1eb17ad24
   Y                         -1:000000000000
% rename nonexistent bookmark
abort: a bookmark of this name does not exist
% rename to existent bookmark
abort: a bookmark of the same name already exists
% force rename to existent bookmark
% list bookmarks
 * X2                        2:0316ce92851d
 * Y                         2:0316ce92851d
   Z                         0:f7b1eb17ad24
% rename without new name
abort: new bookmark name required
% delete without name
abort: bookmark name required
% delete nonexistent bookmark
abort: a bookmark of this name does not exist
% bookmark name with spaces should be stripped
% list bookmarks
 * X2                        2:0316ce92851d
 * Y                         2:0316ce92851d
   Z                         0:f7b1eb17ad24
 * x  y                      2:0316ce92851d
% look up stripped bookmark name
changeset:   2:0316ce92851d
tag:         X2
tag:         Y
tag:         tip
tag:         x  y
user:        test
date:        Thu Jan 01 00:00:00 1970 +0000
summary:     2

% reject bookmark name with newline
abort: bookmark name cannot contain newlines
% bookmark with existing name
abort: a bookmark of the same name already exists
% force bookmark with existing name
% list bookmarks
 * X2                        2:0316ce92851d
 * Y                         2:0316ce92851d
 * Z                         2:0316ce92851d
 * x  y                      2:0316ce92851d
% revision but no bookmark name
abort: bookmark name required