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Russ Cox b5ddc42b46 io/fs, path, path/filepath, testing/fstest: validate patterns in Match, Glob
According to #28614, proposal review agreed in December 2018 that
Match should return an error for failed matches where the unmatched
part of the pattern has a syntax error. (The failed match has to date
caused the scan of the pattern to stop early.)

This change implements that behavior: the match loop continues
scanning to the end of the pattern, even after a confirmed mismatch,
to check whether the pattern is even well-formed.

The change applies to both path.Match and filepath.Match.
Then filepath.Glob and fs.Glob make a single validity-checking
call to Match before beginning their usual processing.

Also update fstest.TestFS to check for correct validation in custom
Glob implementations.

Fixes #28614.

Change-Id: Ic1d35a4bb9c3565184ae83dbefc425c5c96318e7
Reviewed-on: https://go-review.googlesource.com/c/go/+/264397
Trust: Russ Cox <rsc@golang.org>
Reviewed-by: Rob Pike <r@golang.org>
2020-10-23 14:59:03 +00:00
.github .github: add link to questions in ISSUE_TEMPLATE 2020-01-06 17:05:31 +00:00
api io/fs: move FileInfo, FileMode, PathError, ErrInvalid, ... from os to io/fs 2020-10-20 02:32:41 +00:00
doc doc/go1.16: document ASLR support for -buildmode=c-shared on windows 2020-10-22 23:00:42 +00:00
lib/time lib/time, time, time/tzdata: use slim tz data format 2020-10-14 09:00:41 +00:00
misc cmd/cgo: avoid exporting all symbols on windows buildmode=c-shared 2020-10-22 22:40:17 +00:00
src io/fs, path, path/filepath, testing/fstest: validate patterns in Match, Glob 2020-10-23 14:59:03 +00:00
test cmd/internal/obj: reject too large symbols 2020-10-20 18:51:03 +00:00
.gitattributes all: treat all files as binary, but check in .bat with CRLF 2020-06-08 15:31:43 +00:00
.gitignore .gitignore: ignore src/cmd/dist/dist 2017-10-28 21:55:49 +00:00
AUTHORS A+C: add Kush Patel (corporate CLA for Hootsuite Inc) 2020-07-08 00:10:44 +00:00
CONTRIBUTING.md all: restore changes from faulty merge/revert 2018-02-12 20:13:59 +00:00
CONTRIBUTORS CONTRIBUTORS: update for the Go 1.15 release 2020-08-10 21:51:48 +00:00
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README.md README: linkify some paths 2018-06-06 18:07:01 +00:00
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