From 31edfcd65064468d35e66f4018c3c91af728601d Mon Sep 17 00:00:00 2001
From: "Artem V. Navrotskiy" <bozaro@yandex.ru>
Date: Sun, 30 Oct 2016 21:40:12 +0300
Subject: [PATCH] Fix .gitattributes pattern matching (fix #20)

---
 src/main/java/git/path/WildcardHelper.java       | 11 +----------
 .../path/matcher/path/RecursivePathMatcher.java  | 11 +++++++++--
 src/test/java/git/path/WildcardTest.java         | 16 ++++++++--------
 3 files changed, 18 insertions(+), 20 deletions(-)

diff --git a/src/main/java/git/path/WildcardHelper.java b/src/main/java/git/path/WildcardHelper.java
index 325b876..d566d51 100644
--- a/src/main/java/git/path/WildcardHelper.java
+++ b/src/main/java/git/path/WildcardHelper.java
@@ -129,7 +129,7 @@ public static List<String> splitPattern(@NotNull String pattern) {
   @NotNull
   public static List<String> normalizePattern(@NotNull List<String> tokens) {
     // By default without slashes using mask for files in all subdirectories
-    if (tokens.size() == 1 && !tokens.get(0).contains("/")) {
+    if ((tokens.size() == 1) && !tokens.get(0).startsWith("/")) {
       tokens.add(0, "**/");
     }
     // Normalized pattern always starts with "/"
@@ -165,15 +165,6 @@ public static List<String> normalizePattern(@NotNull List<String> tokens) {
       }
       index++;
     }
-    // Remove tailing "**/" and "*"
-    while (!tokens.isEmpty()) {
-      final String token = tokens.get(tokens.size() - 1);
-      if (token.equals("**/")) {
-        tokens.remove(tokens.size() - 1);
-      } else {
-        break;
-      }
-    }
     return tokens;
   }
 
diff --git a/src/main/java/git/path/matcher/path/RecursivePathMatcher.java b/src/main/java/git/path/matcher/path/RecursivePathMatcher.java
index b1e44ac..3afde3c 100644
--- a/src/main/java/git/path/matcher/path/RecursivePathMatcher.java
+++ b/src/main/java/git/path/matcher/path/RecursivePathMatcher.java
@@ -42,15 +42,22 @@ public PathMatcher createChild(@NotNull String name, boolean isDir) {
       if (index < nameMatchers.length && nameMatchers[index].isMatch(name, isDir)) {
         if (nameMatchers[index].isRecursive()) {
           childs[count++] = index;
-          if (nameMatchers[index + 1].isMatch(name, isDir)) {
+          if (index + 1 == nameMatchers.length) {
+            if (!exact) {
+              return AlwaysMatcher.INSTANCE;
+            }
+            if (isDir) {
+              childs[count++] = index + 1;
+            }
+          } else if (nameMatchers[index + 1].isMatch(name, isDir)) {
             if (index + 2 == nameMatchers.length) {
               if (!exact || !isDir) {
                 return AlwaysMatcher.INSTANCE;
               }
             }
             childs[count++] = index + 2;
-            changed = true;
           }
+          changed = true;
         } else {
           if (index + 1 == nameMatchers.length) {
             if (!exact || !isDir) {
diff --git a/src/test/java/git/path/WildcardTest.java b/src/test/java/git/path/WildcardTest.java
index 4b6024e..eff8c5f 100644
--- a/src/test/java/git/path/WildcardTest.java
+++ b/src/test/java/git/path/WildcardTest.java
@@ -42,12 +42,12 @@ public static Object[][] normalizePatternData() {
     return new Object[][]{
         // Simple mask
         new Object[]{"/", new String[0]},
-        new Object[]{"*/", new String[]{"*/"}},
+        new Object[]{"*/", new String[]{"*/", "**/"}},
         new Object[]{"*", new String[]{"**/", "*"}},
         new Object[]{"**", new String[]{"**/", "*"}},
-        new Object[]{"**/", new String[]{}},
+        new Object[]{"**/", new String[]{"**/"}},
         new Object[]{"foo", new String[]{"**/", "foo"}},
-        new Object[]{"foo/", new String[]{"foo/"}},
+        new Object[]{"foo/", new String[]{"**/", "foo/"}},
         new Object[]{"/foo", new String[]{"foo"}},
 
         // Convert path file mask
@@ -70,9 +70,9 @@ public static Object[][] normalizePatternData() {
         new Object[]{"foo/**", new String[]{"foo/", "**/", "*"}},
         new Object[]{"foo/**/*", new String[]{"foo/", "**/", "*"}},
         new Object[]{"foo/**/*/*", new String[]{"foo/", "*/", "**/", "*"}},
-        new Object[]{"foo/**/", new String[]{"foo/"}},
-        new Object[]{"foo/**/*/", new String[]{"foo/", "*/"}},
-        new Object[]{"foo/**/*/*/", new String[]{"foo/", "*/", "*/"}},
+        new Object[]{"foo/**/", new String[]{"foo/", "**/"}},
+        new Object[]{"foo/**/*/", new String[]{"foo/", "*/", "**/"}},
+        new Object[]{"foo/**/*/*/", new String[]{"foo/", "*/", "*/", "**/"}},
     };
   }
 
@@ -112,8 +112,8 @@ public static Object[][] pathMatcherData() {
         new Object[]{"/bar", "foo/bar", null, null},
         new Object[]{"bar/", "foo/bar", null, null},
         new Object[]{"b*r/", "foo/bar", null, null},
-        new Object[]{"bar/", "foo/bar/", null, true},
-        new Object[]{"b*r/", "foo/bar/", null, true},
+        new Object[]{"bar/", "foo/bar/", true, true},
+        new Object[]{"b*r/", "foo/bar/", true, true},
         new Object[]{"b[a-z]r", "foo/bar", true, true},
         new Object[]{"b[a-z]r", "foo/b0r", null, null},
         new Object[]{"b[a-z]r", "foo/b0r/", false, false},