evolve: check for uncommited change earlier
Before this patch we were checking for uncommited change multiple times and
quite late for uncommited change. This patch moves the check at the beginning
of the evolve method to avoid these shortcomings.
$ cat >> $HGRCPATH <<EOF
> [extensions]
> hgext.graphlog=
> EOF
$ echo "evolve=$(echo $(dirname $TESTDIR))/hgext/evolve.py" >> $HGRCPATH
hg prev -B should move active bookmark
$ hg init
$ touch a
$ hg add a
$ hg commit -m 'added a'
$ touch b
$ hg add b
$ hg commit -m 'added b'
$ hg bookmark mark
$ hg bookmarks
* mark 1:6e742c9127b3
$ hg prev -B
0 files updated, 0 files merged, 1 files removed, 0 files unresolved
[0] added a
$ hg bookmarks
* mark 0:a154386e50d1
hg next -B should move active bookmark
$ hg next -B
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
[1] added b
$ hg bookmarks
* mark 1:6e742c9127b3
hg prev should unset active bookmark
$ hg prev
0 files updated, 0 files merged, 1 files removed, 0 files unresolved
[0] added a
$ hg bookmarks
mark 1:6e742c9127b3
hg next should move active bookmark
$ hg bookmark mark2
$ hg bookmarks
mark 1:6e742c9127b3
* mark2 0:a154386e50d1
$ hg next
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
[1] added b
$ hg bookmarks
mark 1:6e742c9127b3
mark2 0:a154386e50d1
$ hg bookmark -d mark2
$ hg bookmark mark
hg next/prev should not interfere with inactive bookmarks
$ touch c
$ hg add c
$ hg commit -m 'added c'
$ hg bookmark -r2 no-move
$ hg prev -B
0 files updated, 0 files merged, 1 files removed, 0 files unresolved
[1] added b
$ hg bookmarks
* mark 1:6e742c9127b3
no-move 2:4e26ef31f919
$ hg next -B
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
[2] added c
$ hg bookmarks
* mark 2:4e26ef31f919
no-move 2:4e26ef31f919
$ hg up 1
0 files updated, 0 files merged, 1 files removed, 0 files unresolved
(leaving bookmark mark)
$ hg next -B
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
[2] added c
$ hg bookmarks
mark 2:4e26ef31f919
no-move 2:4e26ef31f919
$ hg prev -B
0 files updated, 0 files merged, 1 files removed, 0 files unresolved
[1] added b
$ hg bookmarks
mark 2:4e26ef31f919
no-move 2:4e26ef31f919