Petr Baudis <[EMAIL PROTECTED]> writes:
> Yes. There were several discussions about this in the past, with no
> clear outcome, IIRC. I would prefer:
> ~/.git/ignore per-user
> /.git/ignore per-repository
> .gitignore per-directory (cummulative with parent directories)
> Note that I also want to make use of some special characters in this
> file ... to make it at least as powerful as CVS' ignore.
I'd like to extend "--exclude" and friends git-ls-files takes
the following way (strawman). I'd appreciate your input from
the perspective of Porcelain writers, and somebody who ends up
having to use the bare Plumbing.
I'll be sending patches for actual implementation in separate messages.
'git-ls-files' can use a list of "exclude patterns" when
traversing the directory tree and finding files to show when the
flags --others or --ignored are specified.
These exclude patterns come from these places:
(1) command line flag --exclude=<pattern> specifies a single
(2) command line flag --exclude-from=<file> specifies a list of
patterns stored in a file.
(3) command line flag --exclude-per-directory=<name> specifies
a name of the file in each directory 'git-ls-files'
examines, and if exists, its contents are used as an
additional list of patterns.
An exclude pattern file used by (2) and (3) contains one pattern
per line. A line that starts with a '#' can be used as comment
The list of patterns that is in effect at a given time is
built and ordered in the following way:
* --exclude=<pattern> and lines read from --exclude-from=<file>
come at the beginning of the list of patterns, in the order
given on the command line. Patterns that come from the file
specified with --exclude-from are ordered in the same order
as they appear in the file.
* When --exclude-per-directory=<name> is specified, upon
entering a directory that has such a file, its contents are
appended at the end of the current "list of patterns". They
are popped off when leaving the directory.
Each pattern in the pattern list specifies "a match pattern" and
optionally the fate --- either a file that matches the pattern
is considered excluded or included. By default, this being
"exclude" mechanism, the fate is "excluded". A filename is
examined against the patterns in the list, and the first match
determines its fate.
A pattern specified on the command line with --exclude or read
from the file specified with --exclude-from is relative to the
top of the directory tree. A pattern read from a file specified
by --exclude-per-directory is relative to the directory that the
pattern file appears in.
An exclude pattern is of the following format:
- an optional prefix '!' which means that the fate this pattern
specifies is "include", not the usual "exclude"; the
remainder of the pattern string is interpreted according to
the following rules.
- if it does not contain a slash '/', it is a shell glob
pattern and used to match against the filename without
leading directories (i.e. the same way as the current
- otherwise, it is a shell glob pattern, suitable for
consumption by fnmatch(3) with FNM_PATHNAME flag. I.e. a
slash in the pattern must match a slash in the pathname.
"Documentation/*.html" matches "Documentation/git.html" but
not "ppc/ppc.html". As a natural exception, "/*.c" matches
"cat-file.c" but not "mozilla-sha1/sha1.c".
$ cat .git/ignore
# ignore objects and archives, anywhere in the tree.
$ cat Documentation/.gitignore
# ignore generated html files,
# except foo.html which is maintained by hand
$ git-ls-files --ignored \
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