Move some important utilities to GitVersion

The same will probably be done with GitUtils#getRelativePath, moving
those to file-utils when it is created.

Author: Jonathing

src/main/java/net/minecraftforge/gitver/api/GitVersion.java

@@ -127,7 +127,7 @@ public GitVersion build() {
                 throw new IllegalArgumentException("Either the root or project directory must be set");
 
             if (this.root == null)
-                this.root = GitUtils.findGitRoot(this.project);
+                this.root = findGitRoot(this.project);
 
             if (this.project == null)
                 this.project = this.root;
@@ -377,6 +377,30 @@ default String getRelativePath(boolean fromRoot, File file) {
         return GitUtils.getRelativePath(fromRoot ? this.getRoot() : this.getProject(), file);
     }
 
+    /**
+     * Attempts to find the git root from the given directory, using {@linkplain File#getAbsoluteFile() absolute files}
+     * to walk the filesystem.
+     *
+     * @param from The file to find the Git root from
+     * @return The Git root, or the given file if no Git root was found
+     */
+    static File findGitRoot(File from) {
+        for (var dir = from.getAbsoluteFile(); dir != null; dir = dir.getParentFile())
+            if (isGitRoot(dir)) return dir;
+
+        return from;
+    }
+
+    /**
+     * Checks if a given file is a Git root.
+     *
+     * @param dir The directory to check
+     * @return {@code true} if the directory is a Git root
+     */
+    static boolean isGitRoot(File dir) {
+        return new File(dir, ".git").exists();
+    }
+
     /**
      * Attempts to get the relative path of the given file from the root of its Git repository. This is exposed
      * primarily to allow Gradle plugins to get the relative path without needing to declare the path directory
@@ -390,7 +414,7 @@ default String getRelativePath(boolean fromRoot, File file) {
      */
     @Deprecated(forRemoval = true)
     static String findRelativePath(File file) {
-        return GitUtils.getRelativePath(GitUtils.findGitRoot(file), file);
+        return GitUtils.getRelativePath(findGitRoot(file), file);
     }
 
 

src/main/java/net/minecraftforge/gitver/internal/GitUtils.java

@@ -58,29 +58,6 @@ static String getRelativePath(File root, File file) {
         return getRelativePath(root.toPath(), file.toPath());
     }
 
-    /**
-     * Attempts to find the git root from the given directory.
-     *
-     * @param from The file to find the Git root from
-     * @return The Git root, or the given file if no Git root was found
-     */
-    static File findGitRoot(File from) {
-        for (var dir = from.getAbsoluteFile(); dir != null; dir = dir.getParentFile())
-            if (isGitRoot(dir)) return dir;
-
-        return from;
-    }
-
-    /**
-     * Checks if a given file is a Git root.
-     *
-     * @param dir The directory to check
-     * @return {@code true} if the directory is a Git root
-     */
-    static boolean isGitRoot(File dir) {
-        return new File(dir, ".git").exists();
-    }
-
     /**
      * Counts commits, for the given Git repository, from the given tag to {@linkplain Constants#HEAD HEAD}. If the
      * given tag cannot be found, this method will return {@code -1}.