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revision parsing: make "rev -- paths" checks stronger.

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If you don't have a "--" marker, then:

 - all of the arguments we are going to assume are pathspecs
   must exist in the working tree.

 - none of the arguments we parsed as revisions could be
   interpreted as a filename.

so that there really isn't any possibility of confusion in case
somebody does have a revision that looks like a pathname too.

The former rule has been in effect; this implements the latter.

Signed-off-by: Junio C Hamano <junkio@cox.net>
This commit is contained in:
Junio C Hamano
2006-04-26 15:09:27 -07:00
parent 69bcc43eca
commit ea92f41ff9
3 changed files with 36 additions and 3 deletions
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14
revision.c
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@ -740,6 +740,11 @@ int setup_revisions(int argc, const char **argv, struct rev_info *revs, const ch
include = get_reference(revs, next, sha1, flags);
if (!exclude || !include)
die("Invalid revision range %s..%s", arg, next);
if (!seen_dashdash) {
*dotdot = '.';
verify_non_filename(revs->prefix, arg);
}
add_pending_object(revs, exclude, this);
add_pending_object(revs, include, next);
continue;
@ -757,13 +762,20 @@ int setup_revisions(int argc, const char **argv, struct rev_info *revs, const ch
if (seen_dashdash || local_flags)
die("bad revision '%s'", arg);
/* If we didn't have a "--", all filenames must exist */
/* If we didn't have a "--":
* (1) all filenames must exist;
* (2) all rev-args must not be interpretable
* as a valid filename.
* but the latter we have checked in the main loop.
*/
for (j = i; j < argc; j++)
verify_filename(revs->prefix, argv[j]);
revs->prune_data = get_pathspec(revs->prefix, argv + i);
break;
}
if (!seen_dashdash)
verify_non_filename(revs->prefix, arg);
object = get_reference(revs, arg, sha1, flags ^ local_flags);
add_pending_object(revs, object, arg);
}