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pathspec: don't error out on all-exclusionary pathspec patterns

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Instead of erroring out and telling the user that they should add a
positive pattern that covers everything else, just _do_ that.

For commands where we honor the current cwd by default (ie grep, ls-files
etc), we make that default positive pathspec be the current working
directory.  And for commands that default to the whole project (ie diff,
log, etc), the default positive pathspec is the whole project.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Linus Torvalds
2017-02-07 21:08:15 -08:00
committed by Junio C Hamano
parent 42ebeb9d07
commit 859b7f1d0e
3 changed files with 17 additions and 8 deletions
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15
pathspec.c
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@ -522,7 +522,7 @@ void parse_pathspec(struct pathspec *pathspec,
}
pathspec->nr = n;
ALLOC_ARRAY(pathspec->items, n);
ALLOC_ARRAY(pathspec->items, n + 1);
item = pathspec->items;
prefixlen = prefix ? strlen(prefix) : 0;
@ -546,10 +546,15 @@ void parse_pathspec(struct pathspec *pathspec,
pathspec->magic |= item[i].magic;
}
if (nr_exclude == n)
die(_("There is nothing to exclude from by :(exclude) patterns.\n"
"Perhaps you forgot to add either ':/' or '.' ?"));
/*
* If everything is an exclude pattern, add one positive pattern
* that matches everyting. We allocated an extra one for this.
*/
if (nr_exclude == n) {
int plen = (!(flags & PATHSPEC_PREFER_CWD)) ? 0 : prefixlen;
init_pathspec_item(item + n, 0, prefix, plen, "");
pathspec->nr++;
}
if (pathspec->magic & PATHSPEC_MAXDEPTH) {
if (flags & PATHSPEC_KEEP_ORDER)