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[PATCH v4 4/8] dir: exit before wildcard fall-through if there is no wildcard

From
Elijah Newren via GitGitGadget <gitgitgadget@gmail.com>
Date
Dec 18, 2019, 19:29 UTC
Message-ID
<8d2d98eec3c620c55100a322087ef83e4f51c8cf.1576697386.git.gitgitgadget@gmail.com>
In-Reply-To
<pull.676.v4.git.git.1576697386.gitgitgadget@gmail.com>
From: Elijah Newren <newren@gmail.com>

The DO_MATCH_LEADING_PATHSPEC had a fall-through case for if there was a wildcard, noting that we don't yet have enough information to determine if a further paths under the current directory might match due to the presence of wildcards. But if we have no wildcards in our pathspec, then we shouldn't get to that fall-through case.

Signed-off-by: Elijah Newren <newren@gmail.com>
---
 dir.c                                              | 7 +++++++
 t/t3011-common-prefixes-and-directory-traversal.sh | 4 ++--
 2 files changed, 9 insertions(+), 2 deletions(-)
diff --git a/dir.c b/dir.c
index 5dacacd469..517a569e10 100644
--- a/dir.c
+++ b/dir.c
@@ -379,6 +379,13 @@ static int match_pathspec_item(const struct index_state *istate,
 			       item->nowildcard_len - prefix))
 			return 0;
 
+		/*
+		 * name has no wildcard, and it didn't match as a leading
+		 * pathspec so return.
+		 */
+		if (item->nowildcard_len == item->len)
+			return 0;
+
 		/*
 		 * Here is where we would perform a wildmatch to check if
 		 * "name" can be matched as a directory (or a prefix) against
diff --git a/t/t3011-common-prefixes-and-directory-traversal.sh b/t/t3011-common-prefixes-and-directory-traversal.sh
index 54f80c62b8..d6e161ddd8 100755
--- a/t/t3011-common-prefixes-and-directory-traversal.sh
+++ b/t/t3011-common-prefixes-and-directory-traversal.sh
@@ -92,7 +92,7 @@ test_expect_failure 'git ls-files -o untracked_repo/ does not recurse' '
 	test_cmp expect actual
 '
 
-test_expect_failure 'git ls-files -o untracked_dir untracked_repo recurses into untracked_dir only' '
+test_expect_success 'git ls-files -o untracked_dir untracked_repo recurses into untracked_dir only' '
 	cat <<-EOF >expect &&
 	untracked_dir/empty
 	untracked_repo/
@@ -110,7 +110,7 @@ test_expect_success 'git ls-files -o untracked_dir/ untracked_repo/ recurses int
 	test_cmp expect actual
 '
 
-test_expect_failure 'git ls-files -o --directory untracked_dir untracked_repo does not recurse' '
+test_expect_success 'git ls-files -o --directory untracked_dir untracked_repo does not recurse' '
 	cat <<-EOF >expect &&
 	untracked_dir/
 	untracked_repo/
-- 
gitgitgadget
Previous: Elijah Newren via GitGitGadgetNext: Elijah Newren via GitGitGadget
Message 49 of 69 in “Directory traversal bugs”
  1. 0/8 Directory traversal bugsElijah Newren via GitGitGadget, Dec 9, 2019
  2. 2/8 Revert "dir.c: make 'git-status --ignored' work within leading directories"Elijah Newren via GitGitGadget, Dec 9, 2019
  3. Denton LiuDec 9, 2019
  4. Elijah NewrenDec 9, 2019
  5. Eric SunshineDec 9, 2019
  6. 3/8 dir: remove stray quote character in commentElijah Newren via GitGitGadget, Dec 9, 2019
  7. 5/8 dir: break part of read_directory_recursive() out for reuseElijah Newren via GitGitGadget, Dec 9, 2019
  8. 7/8 dir: synchronize treat_leading_path() and read_directory_recursive()Elijah Newren via GitGitGadget, Dec 9, 2019
  9. 8/8 dir: consolidate similar code in treat_directory()Elijah Newren via GitGitGadget, Dec 9, 2019
  10. 6/8 dir: fix checks on common prefix directoryElijah Newren via GitGitGadget, Dec 9, 2019
  11. 4/8 dir: exit before wildcard fall-through if there is no wildcardElijah Newren via GitGitGadget, Dec 9, 2019
  12. 1/8 t3011: demonstrate directory traversal failuresElijah Newren via GitGitGadget, Dec 9, 2019
  13. Denton LiuDec 9, 2019
  14. 0/8 Directory traversal bugsElijah Newren via GitGitGadget, Dec 10, 2019
  15. 2/8 Revert "dir.c: make 'git-status --ignored' work within leading directories"Elijah Newren via GitGitGadget, Dec 10, 2019
  16. 1/8 t3011: demonstrate directory traversal failuresElijah Newren via GitGitGadget, Dec 10, 2019
  17. 6/8 dir: fix checks on common prefix directoryElijah Newren via GitGitGadget, Dec 10, 2019
  18. Johannes SchindelinDec 15, 2019
  19. Elijah NewrenDec 16, 2019
  20. Elijah NewrenDec 16, 2019
  21. Junio C HamanoDec 16, 2019
  22. Elijah NewrenDec 16, 2019
  23. Junio C HamanoDec 16, 2019
  24. Elijah NewrenDec 16, 2019
  25. Johannes SchindelinDec 17, 2019
  26. Junio C HamanoDec 17, 2019
  27. Johannes SchindelinDec 17, 2019
  28. Junio C HamanoDec 17, 2019
  29. Johannes SchindelinDec 17, 2019
  30. Elijah NewrenDec 17, 2019
  31. Johannes SchindelinDec 17, 2019
  32. Elijah NewrenDec 17, 2019
  33. 3/8 dir: remove stray quote character in commentElijah Newren via GitGitGadget, Dec 10, 2019
  34. 8/8 dir: consolidate similar code in treat_directory()Elijah Newren via GitGitGadget, Dec 10, 2019
  35. 5/8 dir: break part of read_directory_recursive() out for reuseElijah Newren via GitGitGadget, Dec 10, 2019
  36. 4/8 dir: exit before wildcard fall-through if there is no wildcardElijah Newren via GitGitGadget, Dec 10, 2019
  37. 7/8 dir: synchronize treat_leading_path() and read_directory_recursive()Elijah Newren via GitGitGadget, Dec 10, 2019
  38. 0/3 Directory traversal bugsElijah Newren via GitGitGadget, Dec 17, 2019
  39. 2/3 dir: remove stray quote character in commentElijah Newren via GitGitGadget, Dec 17, 2019
  40. 3/3 dir: exit before wildcard fall-through if there is no wildcardElijah Newren via GitGitGadget, Dec 17, 2019
  41. 1/3 t3011: demonstrate directory traversal failuresElijah Newren via GitGitGadget, Dec 17, 2019
  42. Johannes SchindelinDec 17, 2019
  43. Junio C HamanoDec 17, 2019
  44. Johannes SchindelinDec 21, 2019
  45. 0/8 Directory traversal bugsElijah Newren via GitGitGadget, Dec 18, 2019
  46. 2/8 Revert "dir.c: make 'git-status --ignored' work within leading directories"Elijah Newren via GitGitGadget, Dec 18, 2019
  47. 1/8 t3011: demonstrate directory traversal failuresElijah Newren via GitGitGadget, Dec 18, 2019
  48. 3/8 dir: remove stray quote character in commentElijah Newren via GitGitGadget, Dec 18, 2019
  49. 4/8 dir: exit before wildcard fall-through if there is no wildcardElijah Newren via GitGitGadget, Dec 18, 2019
  50. 5/8 dir: break part of read_directory_recursive() out for reuseElijah Newren via GitGitGadget, Dec 18, 2019
  51. 6/8 dir: fix checks on common prefix directoryElijah Newren via GitGitGadget, Dec 18, 2019
  52. Junio C HamanoDec 18, 2019
  53. Elijah NewrenDec 19, 2019
  54. Jeff KingDec 19, 2019
  55. Elijah NewrenDec 20, 2019
  56. Jeff KingDec 20, 2019
  57. Junio C HamanoDec 20, 2019
  58. Jeff KingDec 20, 2019
  59. 8/8 dir: consolidate similar code in treat_directory()Elijah Newren via GitGitGadget, Dec 18, 2019
  60. 7/8 dir: synchronize treat_leading_path() and read_directory_recursive()Elijah Newren via GitGitGadget, Dec 18, 2019
  61. 0/8 Directory traversal bugsElijah Newren via GitGitGadget, Dec 19, 2019
  62. 1/8 t3011: demonstrate directory traversal failuresElijah Newren via GitGitGadget, Dec 19, 2019
  63. 5/8 dir: break part of read_directory_recursive() out for reuseElijah Newren via GitGitGadget, Dec 19, 2019
  64. 4/8 dir: exit before wildcard fall-through if there is no wildcardElijah Newren via GitGitGadget, Dec 19, 2019
  65. 3/8 dir: remove stray quote character in commentElijah Newren via GitGitGadget, Dec 19, 2019
  66. 2/8 Revert "dir.c: make 'git-status --ignored' work within leading directories"Elijah Newren via GitGitGadget, Dec 19, 2019
  67. 6/8 dir: fix checks on common prefix directoryElijah Newren via GitGitGadget, Dec 19, 2019
  68. 8/8 dir: consolidate similar code in treat_directory()Elijah Newren via GitGitGadget, Dec 19, 2019
  69. 7/8 dir: synchronize treat_leading_path() and read_directory_recursive()Elijah Newren via GitGitGadget, Dec 19, 2019

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