view tests/test-custom-filters @ 7231:8e7130a10f3b

convert: ignore hg source errors with hg.ignoreerrors (issue 1357)

This flag makes missing revlog errors to be ignored which allow broken
repositories to be fixed by converting them from and to Mercurial.

#!/bin/sh

hg init

cat > .hg/hgrc <<EOF
[extensions]
prefixfilter = prefix.py
[encode]
*.txt = stripprefix: Copyright 2046, The Masters
[decode]
*.txt = insertprefix: Copyright 2046, The Masters
EOF

cat > prefix.py <<EOF
from mercurial import util
def stripprefix(s, cmd, filename, **kwargs):
    header = '%s\n' % cmd
    if s[:len(header)] != header:
        raise util.Abort('missing header "%s" in %s' % (cmd, filename))
    return s[len(header):]
def insertprefix(s, cmd):
    return '%s\n%s' % (cmd, s)
def reposetup(ui, repo):
    repo.adddatafilter('stripprefix:', stripprefix)
    repo.adddatafilter('insertprefix:', insertprefix)
EOF

cat > .hgignore <<EOF
.hgignore
prefix.py
prefix.pyc
EOF

cat > stuff.txt <<EOF
Copyright 2046, The Masters
Some stuff to ponder very carefully.
EOF
hg add stuff.txt
hg ci -m stuff

echo '% Repository data:'
hg cat stuff.txt

echo '% Fresh checkout:'
rm stuff.txt
hg up
cat stuff.txt
echo >> stuff.txt <<EOF
Very very carefully.
EOF
hg stat

cat > morestuff.txt <<EOF
Unauthorized material subject to destruction.
EOF

echo '% Problem encoding:'
hg add morestuff.txt
hg ci -m morestuff
hg stat