gendoc: automatically create help for default extensions.
Adds a section in the hg.1 manpage and corresponding hg.1.html
file. Each extension is listed with its module docstring, followed by
the commands defined by that extendsion.
Creates help for extensions by extracting doc strings from the extension modules
and its commands.
$ echo "[extensions]" >> $HGRCPATH
$ echo "bookmarks=" >> $HGRCPATH
$ echo "mq=" >> $HGRCPATH
$ hg init
$ echo qqq>qqq.txt
add file
$ hg add
adding qqq.txt
commit first revision
$ hg ci -m 1
set bookmark
$ hg book test
$ echo www>>qqq.txt
commit second revision
$ hg ci -m 2
set bookmark
$ hg book test2
update to -2
$ hg update -r -2
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ echo eee>>qqq.txt
commit new head
$ hg ci -m 3
created new head
bookmarks updated?
$ hg book
test 1:25e1ee7a0081
test2 1:25e1ee7a0081
strip to revision 1
$ hg strip 1
saved backup bundle to $TESTTMP/.hg/strip-backup/*-backup.hg (glob)
list bookmarks
$ hg book
* test 1:8cf31af87a2b
* test2 1:8cf31af87a2b
immediate rollback and reentrancy issue
$ echo "mq=!" >> $HGRCPATH
$ hg init repo
$ cd repo
$ echo a > a
$ hg ci -Am adda
adding a
$ echo b > b
$ hg ci -Am addb
adding b
$ hg bookmarks markb
$ hg rollback
rolling back to revision 0 (undo commit)
are you there?
$ hg bookmarks
no bookmarks set
can you be added again?
$ hg bookmarks markb
$ hg bookmarks
* markb 0:07f494440405
$ cd ..