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$ hg init
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|
|
|
|
|
$ 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 error
|
|
|
> def stripprefix(s, cmd, filename, **kwargs):
|
|
|
> header = b'%s\n' % cmd
|
|
|
> if s[:len(header)] != header:
|
|
|
> raise error.Abort(b'missing header "%s" in %s' % (cmd, filename))
|
|
|
> return s[len(header):]
|
|
|
> def insertprefix(s, cmd):
|
|
|
> return b'%s\n%s' % (cmd, s)
|
|
|
> def reposetup(ui, repo):
|
|
|
> repo.adddatafilter(b'stripprefix:', stripprefix)
|
|
|
> repo.adddatafilter(b'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
|
|
|
|
|
|
Repository data:
|
|
|
|
|
|
$ hg cat stuff.txt
|
|
|
Some stuff to ponder very carefully.
|
|
|
|
|
|
Fresh checkout:
|
|
|
|
|
|
$ rm stuff.txt
|
|
|
$ hg up -C
|
|
|
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
|
|
|
$ cat stuff.txt
|
|
|
Copyright 2046, The Masters
|
|
|
Some stuff to ponder very carefully.
|
|
|
$ echo "Very very carefully." >> stuff.txt
|
|
|
$ hg stat
|
|
|
M stuff.txt
|
|
|
|
|
|
$ echo "Unauthorized material subject to destruction." > morestuff.txt
|
|
|
|
|
|
Problem encoding:
|
|
|
|
|
|
$ hg add morestuff.txt
|
|
|
$ hg ci -m morestuff
|
|
|
abort: missing header "Copyright 2046, The Masters" in morestuff.txt
|
|
|
[255]
|
|
|
$ hg stat
|
|
|
M stuff.txt
|
|
|
A morestuff.txt
|
|
|
|
