$ echo "[extensions]" >> $HGRCPATH
$ echo "bookmarks=" >> $HGRCPATH
$ echo "[bookmarks]" >> $HGRCPATH
$ echo "track.current = True" >> $HGRCPATH
initialize
$ hg init a
$ cd a
$ echo 'test' > test
$ hg commit -Am'test'
adding test
set bookmarks
$ hg bookmark X
$ hg bookmark Y
$ hg bookmark Z
import bookmark by name
$ hg init ../b
$ cd ../b
$ hg pull ../a
pulling from ../a
requesting all changes
adding changesets
adding manifests
adding file changes
added 1 changesets with 1 changes to 1 files
(run 'hg update' to get a working copy)
$ hg bookmarks
no bookmarks set
$ hg pull -B X ../a
pulling from ../a
searching for changes
no changes found
importing bookmark X
$ hg bookmark
X 0:4e3505fd9583
export bookmark by name
$ hg bookmark W
$ hg bookmark foo
$ hg bookmark foobar
$ hg push -B W ../a
pushing to ../a
searching for changes
no changes found
exporting bookmark W
$ hg -R ../a bookmarks
Y 0:4e3505fd9583
X 0:4e3505fd9583
* Z 0:4e3505fd9583
W -1:000000000000
push/pull name that doesn't exist
$ hg push -B badname ../a
bookmark badname does not exist on the local or remote repository!
[2]
$ hg pull -B anotherbadname ../a
abort: remote bookmark anotherbadname not found!
[255]