perl is starting to use git, so Im a new user.
I wrote a script to generate .gitignore from a MANIFEST,
so I used a universal ignore, followed by explicit *attends*
# ignore everything
*
# watch these files
!perl.h
...
while testing this, I discovered that trailing comments silently
invalidate the rule, so this line is ineffective:
* # ignore everything. We attend to MANIFEST entries next...
Explicit MANIFEST support / file inclusion
!<MANIFEST
the above could mean dont-ignore all files named in MANIFEST (1st field:
/^(\S+)/)
This describes use of other .gitignores (but Im not suggesting this be
supported)
<`find . -name .gitignore`
However, this might be useful
!<`cut -d\ -f2 MANIFEST-odd`
Id accept that this might be too much shell-ish magic for your tastes,
Preprocessor Support
Perl uses XS to interface to C libs etc, and needs to process foo.xs ->
foo.c
which is then compiled to make foo.o. Heres an excerpt from a makefile
# --- MakeMaker xs_c section:
.xs.c:
$(XSUBPPRUN) $(XSPROTOARG) $(XSUBPPARGS) $(XSUBPP_EXTRA_ARGS)
$*.xs > $*.xsc && $(MV) $*.xsc $*.c
It would be nice if this kind of dependency were usable as an
ignoral-directive,
ignore foo.c if foo.xs exists.
some alternatives:
:*.c:*.xs:
- colons signal different kind of line, and delimit 2 specs
- the 2 * must match same literals (perhaps why make dev's left them
out)
*.c!*.xs
- here '!' serves as separator of 2 fields
- also suggests attend to the 2nd field (which is arguably desirable)
if so, it needs to be attended even if *.c is missing (it is
until built)
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