bundle: allow bundle command to use changegroup3 in tests
Since bundle2 writes changegroup version, we can just reuse the bundle2
format for changegroup3.
This won't enable the bundle command to write changegroup3 in the wild,
since exchange.parsebundlespec only returns changegroup2. It unlocks tests
to override exchange.parsebundlespec and get "hg bundle" write changegroup3.
$ cat << EOF >> $HGRCPATH
> [format]
> usegeneraldelta=yes
> EOF
$ hg init debugrevlog
$ cd debugrevlog
$ echo a > a
$ hg ci -Am adda
adding a
$ hg debugrevlog -m
format : 1
flags : inline, generaldelta
revisions : 1
merges : 0 ( 0.00%)
normal : 1 (100.00%)
revisions : 1
full : 1 (100.00%)
deltas : 0 ( 0.00%)
revision size : 44
full : 44 (100.00%)
deltas : 0 ( 0.00%)
chunks : 1
0x75 (u) : 1 (100.00%)
chunks size : 44
0x75 (u) : 44 (100.00%)
avg chain length : 0
max chain length : 0
compression ratio : 0
uncompressed data size (min/max/avg) : 43 / 43 / 43
full revision size (min/max/avg) : 44 / 44 / 44
delta size (min/max/avg) : 0 / 0 / 0
Test debugindex, with and without the --debug flag
$ hg debugindex a
rev offset length ..... linkrev nodeid p1 p2 (re)
0 0 3 .... 0 b789fdd96dc2 000000000000 000000000000 (re)
$ hg --debug debugindex a
rev offset length ..... linkrev nodeid p1 p2 (re)
0 0 3 .... 0 b789fdd96dc2f3bd229c1dd8eedf0fc60e2b68e3 0000000000000000000000000000000000000000 0000000000000000000000000000000000000000 (re)
$ hg debugindex -f 1 a
rev flag offset length size ..... link p1 p2 nodeid (re)
0 0000 0 3 2 .... 0 -1 -1 b789fdd96dc2 (re)
$ hg --debug debugindex -f 1 a
rev flag offset length size ..... link p1 p2 nodeid (re)
0 0000 0 3 2 .... 0 -1 -1 b789fdd96dc2f3bd229c1dd8eedf0fc60e2b68e3 (re)
debugdelta chain basic output
$ hg debugdeltachain -m
rev chain# chainlen prev delta size rawsize chainsize ratio lindist extradist extraratio
0 1 1 -1 base 44 43 44 1.02326 44 0 0.00000
$ hg debugdeltachain -m -T '{rev} {chainid} {chainlen}\n'
0 1 1
$ hg debugdeltachain -m -Tjson
[
{
"chainid": 1,
"chainlen": 1,
"chainratio": 1.02325581395,
"chainsize": 44,
"compsize": 44,
"deltatype": "base",
"extradist": 0,
"extraratio": 0.0,
"lindist": 44,
"prevrev": -1,
"rev": 0,
"uncompsize": 43
}
]
Test max chain len
$ cat >> $HGRCPATH << EOF
> [format]
> maxchainlen=4
> EOF
$ printf "This test checks if maxchainlen config value is respected also it can serve as basic test for debugrevlog -d <file>.\n" >> a
$ hg ci -m a
$ printf "b\n" >> a
$ hg ci -m a
$ printf "c\n" >> a
$ hg ci -m a
$ printf "d\n" >> a
$ hg ci -m a
$ printf "e\n" >> a
$ hg ci -m a
$ printf "f\n" >> a
$ hg ci -m a
$ printf 'g\n' >> a
$ hg ci -m a
$ printf 'h\n' >> a
$ hg ci -m a
$ hg debugrevlog -d a
# rev p1rev p2rev start end deltastart base p1 p2 rawsize totalsize compression heads chainlen
0 -1 -1 0 ??? 0 0 0 0 ??? ???? ? 1 0 (glob)
1 0 -1 ??? ??? 0 0 0 0 ??? ???? ? 1 1 (glob)
2 1 -1 ??? ??? ??? ??? ??? 0 ??? ???? ? 1 2 (glob)
3 2 -1 ??? ??? ??? ??? ??? 0 ??? ???? ? 1 3 (glob)
4 3 -1 ??? ??? ??? ??? ??? 0 ??? ???? ? 1 4 (glob)
5 4 -1 ??? ??? ??? ??? ??? 0 ??? ???? ? 1 0 (glob)
6 5 -1 ??? ??? ??? ??? ??? 0 ??? ???? ? 1 1 (glob)
7 6 -1 ??? ??? ??? ??? ??? 0 ??? ???? ? 1 2 (glob)
8 7 -1 ??? ??? ??? ??? ??? 0 ??? ???? ? 1 3 (glob)
$ cd ..
Test internal debugstacktrace command
$ cat > debugstacktrace.py << EOF
> from mercurial.util import debugstacktrace, dst, sys
> def f():
> debugstacktrace(f=sys.stdout)
> g()
> def g():
> dst('hello from g\\n', skip=1)
> h()
> def h():
> dst('hi ...\\nfrom h hidden in g', 1, depth=2)
> f()
> EOF
$ python debugstacktrace.py
stacktrace at:
debugstacktrace.py:10 in * (glob)
debugstacktrace.py:3 in f
hello from g at:
debugstacktrace.py:10 in * (glob)
debugstacktrace.py:4 in f
hi ...
from h hidden in g at:
debugstacktrace.py:4 in f
debugstacktrace.py:7 in g