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changegroup: introduce safeversion()...
changegroup: introduce safeversion() In a few places (at least repair.py and shelve.py), we want to find the best changegroup version that we can assume users of the repo will understand. For example, we choose version 01 by default, but if it's a generaldelta repo, we expect clients to support version 02 anyway, so we choose that for new bundles (for e.g. "hg strip"). Let's create a helper for this functionality in changegroup, so we can reuse it elsewhere later.

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test-debugcommands.t
128 lines | 4.5 KiB | text/troff | Tads3Lexer
/ tests / test-debugcommands.t
$ 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%)
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():
> dst('hello world')
> def g():
> f()
> debugstacktrace(skip=-5, f=sys.stdout)
> g()
> EOF
$ python debugstacktrace.py
hello world at:
debugstacktrace.py:7 in * (glob)
debugstacktrace.py:5 in g
debugstacktrace.py:3 in f
stacktrace at:
debugstacktrace.py:7 *in * (glob)
debugstacktrace.py:6 *in g (glob)
*/util.py:* in debugstacktrace (glob)