tests: dump journal file by python script instead of sed for portability

Before this patch, test-repair-strip.t fails on Solaris, because of
"sed" on it doesn't work as expected if input contains null ('\0')
character.

tests/test-repair-strip.t

@@ -1,132 +1,139 b''
 #require unix-permissions no-root
 
+  $ cat > $TESTTMP/dumpjournal.py <<EOF
+  > import sys
+  > for entry in sys.stdin.read().split('\n'):
+  >     if entry:
+  >         print entry.split('\x00')[0]
+  > EOF
+
   $ echo "[extensions]" >> $HGRCPATH
   $ echo "mq=">> $HGRCPATH
 
   $ teststrip() {
   >   hg -q up -C $1
   >   echo % before update $1, strip $2
   >   hg parents
   >   chmod -$3 $4
   >   hg strip $2 2>&1 | sed 's/\(bundle\).*/\1/' | sed 's/Permission denied.*\.hg\/store\/\(.*\)/Permission denied \.hg\/store\/\1/'
   >   echo % after update $1, strip $2
   >   chmod +$3 $4
   >   hg verify
   >   echo % journal contents
   >   if [ -f .hg/store/journal ]; then
-  >       sed -e 's/\.i[^\n]*/\.i/' .hg/store/journal
+  >       cat .hg/store/journal | python $TESTTMP/dumpjournal.py
   >   else
   >       echo "(no journal)"
   >   fi
   >   ls .hg/store/journal >/dev/null 2>&1 && hg recover
   >   ls .hg/strip-backup/* >/dev/null 2>&1 && hg unbundle -q .hg/strip-backup/*
   >   rm -rf .hg/strip-backup
   > }
 
   $ hg init test
   $ cd test
   $ echo a > a
   $ hg -q ci -m "a" -A
   $ echo b > b
   $ hg -q ci -m "b" -A
   $ echo b2 >> b
   $ hg -q ci -m "b2" -A
   $ echo c > c
   $ hg -q ci -m "c" -A
   $ teststrip 0 2 w .hg/store/data/b.i
   % before update 0, strip 2
   changeset:   0:cb9a9f314b8b
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     a
   
   saved backup bundle
   transaction abort!
   failed to truncate data/b.i
   rollback failed - please run hg recover
   strip failed, full bundle
   abort: Permission denied .hg/store/data/b.i
   % after update 0, strip 2
   abandoned transaction found - run hg recover
   checking changesets
   checking manifests
   crosschecking files in changesets and manifests
   checking files
    b@?: rev 1 points to nonexistent changeset 2
    (expected 1)
    b@?: 736c29771fba not in manifests
   warning: orphan revlog 'data/c.i'
   2 files, 2 changesets, 3 total revisions
   2 warnings encountered!
   2 integrity errors encountered!
   % journal contents
   00changelog.i
   00manifest.i
   data/b.i
   data/c.i
   rolling back interrupted transaction
   checking changesets
   checking manifests
   crosschecking files in changesets and manifests
   checking files
   2 files, 2 changesets, 2 total revisions
   $ teststrip 0 2 r .hg/store/data/b.i
   % before update 0, strip 2
   changeset:   0:cb9a9f314b8b
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     a
   
   abort: Permission denied .hg/store/data/b.i
   % after update 0, strip 2
   checking changesets
   checking manifests
   crosschecking files in changesets and manifests
   checking files
   3 files, 4 changesets, 4 total revisions
   % journal contents
   (no journal)
   $ teststrip 0 2 w .hg/store/00manifest.i
   % before update 0, strip 2
   changeset:   0:cb9a9f314b8b
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     a
   
   saved backup bundle
   transaction abort!
   failed to truncate 00manifest.i
   rollback failed - please run hg recover
   strip failed, full bundle
   abort: Permission denied .hg/store/00manifest.i
   % after update 0, strip 2
   abandoned transaction found - run hg recover
   checking changesets
   checking manifests
    manifest@?: rev 2 points to nonexistent changeset 2
    manifest@?: 3362547cdf64 not in changesets
    manifest@?: rev 3 points to nonexistent changeset 3
    manifest@?: 265a85892ecb not in changesets
   crosschecking files in changesets and manifests
    c@3: in manifest but not in changeset
   checking files
    b@?: rev 1 points to nonexistent changeset 2
    (expected 1)
    c@?: rev 0 points to nonexistent changeset 3
   3 files, 2 changesets, 4 total revisions
   1 warnings encountered!
   7 integrity errors encountered!
   (first damaged changeset appears to be 3)
   % journal contents
   00changelog.i
   00manifest.i
   data/b.i
   data/c.i
   rolling back interrupted transaction
   checking changesets
   checking manifests
   crosschecking files in changesets and manifests
   checking files
   2 files, 2 changesets, 2 total revisions
 
   $ cd ..