bundle2: support chunk iterator as part data
When the `part.data` attribute is an iterator, we assume it is an iterator of
chunks and use it.
We use a chunkbuffer to yield chunks of 4096 bytes.
The tests are updated to use this feature.
$ hg init a
$ cd a
$ echo a > a
$ hg add -n
adding a
$ hg st
? a
$ hg add
adding a
$ hg st
A a
$ hg forget a
$ hg add
adding a
$ hg st
A a
$ echo b > b
$ hg add -n b
$ hg st
A a
? b
$ hg add b
$ hg st
A a
A b
should fail
$ hg add b
b already tracked!
$ hg st
A a
A b
#if no-windows
$ echo foo > con.xml
$ hg --config ui.portablefilenames=jump add con.xml
abort: ui.portablefilenames value is invalid ('jump')
[255]
$ hg --config ui.portablefilenames=abort add con.xml
abort: filename contains 'con', which is reserved on Windows: 'con.xml'
[255]
$ hg st
A a
A b
? con.xml
$ hg add con.xml
warning: filename contains 'con', which is reserved on Windows: 'con.xml'
$ hg st
A a
A b
A con.xml
$ hg forget con.xml
$ rm con.xml
#endif
#if eol-in-paths
$ echo bla > 'hello:world'
$ hg --config ui.portablefilenames=abort add
adding hello:world
abort: filename contains ':', which is reserved on Windows: 'hello:world'
[255]
$ hg st
A a
A b
? hello:world
$ hg --config ui.portablefilenames=ignore add
adding hello:world
$ hg st
A a
A b
A hello:world
#endif
$ hg ci -m 0 --traceback
should fail
$ hg add a
a already tracked!
$ echo aa > a
$ hg ci -m 1
$ hg up 0
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ echo aaa > a
$ hg ci -m 2
created new head
$ hg merge
merging a
warning: conflicts during merge.
merging a incomplete! (edit conflicts, then use 'hg resolve --mark')
0 files updated, 0 files merged, 0 files removed, 1 files unresolved
use 'hg resolve' to retry unresolved file merges or 'hg update -C .' to abandon
[1]
$ hg st
M a
? a.orig
should fail
$ hg add a
a already tracked!
$ hg st
M a
? a.orig
$ hg resolve -m a
$ hg ci -m merge
Issue683: peculiarity with hg revert of an removed then added file
$ hg forget a
$ hg add a
$ hg st
? a.orig
$ hg rm a
$ hg st
R a
? a.orig
$ echo a > a
$ hg add a
$ hg st
M a
? a.orig
$ hg add c && echo "unexpected addition of missing file"
c: * (glob)
[1]
$ echo c > c
$ hg add d c && echo "unexpected addition of missing file"
d: * (glob)
[1]
$ hg st
M a
A c
? a.orig
$ hg up -C
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
forget and get should have the right order: added but missing dir should be
forgotten before file with same name is added
$ echo file d > d
$ hg add d
$ hg ci -md
$ hg rm d
$ mkdir d
$ echo a > d/a
$ hg add d/a
$ rm -r d
$ hg up -C
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ cat d
file d
$ cd ..