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patch: support diff data loss detection and upgrade...
patch: support diff data loss detection and upgrade In worst case, generating diff in upgrade mode can be two times more expensive than generating it in git mode directly: we may have to regenerate the whole diff again whenever a git feature is detected. Also, the first diff attempt is completely buffered instead of being streamed. That said, even without having profiled it yet, I am convinced we can fast-path the upgrade mode if necessary were it to be used in regular diff commands, and not only in mq where avoiding data loss is worth the price.
Mads Kiilerich - - Load All Authors

File last commit:

r10147:27838bd9 stable
r10189:e451e599 default
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test-bisect
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#!/bin/sh
set -e
echo % init
hg init
echo % committing changes
count=0
echo > a
while test $count -lt 32 ; do
echo 'a' >> a
test $count -eq 0 && hg add
hg ci -m "msg $count" -d "$count 0"
echo % committed changeset $count
count=`expr $count + 1`
done
echo % log
hg log
echo % hg up -C
hg up -C
echo % bisect test
hg bisect -r
hg bisect -b
hg bisect -g 1
hg bisect -g
echo skip
hg bisect -s
hg bisect -g
hg bisect -g
hg bisect -b
hg bisect -g
echo % bisect reverse test
hg bisect -r
hg bisect -b null
hg bisect -g tip
hg bisect -g
echo skip
hg bisect -s
hg bisect -g
hg bisect -g
hg bisect -b
hg bisect -g
hg bisect -r
hg bisect -g tip
hg bisect -b tip || echo error
hg bisect -r
hg bisect -g null
hg bisect -bU tip
hg id
echo % reproduce AssertionError, issue1228 and issue1182
hg bisect -r
hg bisect -b 4
hg bisect -g 0
hg bisect -s
hg bisect -s
hg bisect -s
echo % reproduce non converging bisect, issue1182
hg bisect -r
hg bisect -g 0
hg bisect -b 2
hg bisect -s
echo % test no action
hg bisect -r
hg bisect || echo failure
echo % reproduce AssertionError, issue1445
hg bisect -r
hg bisect -b 6
hg bisect -g 0
hg bisect -s
hg bisect -s
hg bisect -s
hg bisect -s
hg bisect -g
set +e
echo % test invalid command
# assuming that the shell returns 127 if command not found ...
hg bisect -r
hg bisect --command 'exit 127'
echo % test bisecting command
cat > script.py <<EOF
#!/usr/bin/env python
import sys
from mercurial import ui, hg
repo = hg.repository(ui.ui(), '.')
if repo['.'].rev() < 6:
sys.exit(1)
EOF
chmod +x script.py
hg bisect -r
hg bisect --good tip
hg bisect --bad 0
hg bisect --command "`pwd`/script.py"
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