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[PATCH 5/5] git-p4: don't exclude other files with same prefix




Make sure not to exclude files unintentionally
if exclude paths are specified without a trailing /.
I.e., don't exclude "//depot/file_dont_exclude" if run with "-//depot/file".

Do this by ensuring that paths without a trailing "/" are only matched completely.

Also, abort path search on the first match as a micro-optimization.

Signed-off-by: Andrey Mazo <amazo@xxxxxxxxxxxxxx>
---
 git-p4.py                 | 21 ++++++++++++++-------
 t/t9817-git-p4-exclude.sh |  4 ++--
 2 files changed, 16 insertions(+), 9 deletions(-)

diff --git a/git-p4.py b/git-p4.py
index a9f53e5b88..162877aa82 100755
--- a/git-p4.py
+++ b/git-p4.py
@@ -2621,22 +2621,29 @@ def checkpoint(self):
         self.gitStream.write("progress checkpoint\n\n")
         out = self.gitOutput.readline()
         if self.verbose:
             print("checkpoint finished: " + out)
 
+    def isPathWanted(self, path):
+        for p in self.cloneExclude:
+            if p.endswith("/"):
+                if p4PathStartsWith(path, p):
+                    return False
+            # "-//depot/file1" without a trailing "/" should only exclude "file1", but not "file111" or "file1_dir/file2"
+            elif path.lower() == p.lower():
+                return False
+        for p in self.depotPaths:
+            if p4PathStartsWith(path, p):
+                return True
+        return False
+
     def extractFilesFromCommit(self, commit, shelved=False, shelved_cl = 0):
         files = []
         fnum = 0
         while "depotFile%s" % fnum in commit:
             path =  commit["depotFile%s" % fnum]
-
-            if [p for p in self.cloneExclude
-                if p4PathStartsWith(path, p)]:
-                found = False
-            else:
-                found = [p for p in self.depotPaths
-                         if p4PathStartsWith(path, p)]
+            found = self.isPathWanted(path)
             if not found:
                 fnum = fnum + 1
                 continue
 
             file = {}
diff --git a/t/t9817-git-p4-exclude.sh b/t/t9817-git-p4-exclude.sh
index 1c22570797..275dd30425 100755
--- a/t/t9817-git-p4-exclude.sh
+++ b/t/t9817-git-p4-exclude.sh
@@ -51,11 +51,11 @@ test_expect_success 'clone, excluding part of repo' '
 		test_path_is_file discard_file &&
 		test_path_is_file discard_file_not
 	)
 '
 
-test_expect_failure 'clone, excluding single file, no trailing /' '
+test_expect_success 'clone, excluding single file, no trailing /' '
 	test_when_finished cleanup_git &&
 	git p4 clone -//depot/discard_file --dest="$git" //depot/...@all &&
 	(
 		cd "$git" &&
 		test_path_is_file wanted/foo &&
@@ -83,11 +83,11 @@ test_expect_success 'clone, then sync with exclude' '
 		test_path_is_file discard_file &&
 		test_path_is_file discard_file_not
 	)
 '
 
-test_expect_failure 'clone, then sync with exclude, no trailing /' '
+test_expect_success 'clone, then sync with exclude, no trailing /' '
 	test_when_finished cleanup_git &&
 	git p4 clone -//depot/discard/... -//depot/discard_file --dest="$git" //depot/...@all &&
 	(
 		cd "$cli" &&
 		p4 edit wanted/foo discard/foo discard_file_not &&
-- 
2.19.2