From 2057bf1eb5aaf0a9fea2beb8083a3052936b34ea Mon Sep 17 00:00:00 2001
From: Galin Simeonov <gts@volconst.com>
Date: Sun, 26 Sep 2021 19:12:03 +0300
Subject: generates a tree dump for the HEAD of all the branches

---
 git_part.c | 68 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 67 insertions(+), 1 deletion(-)

(limited to 'git_part.c')

diff --git a/git_part.c b/git_part.c
index f3b0877..0467206 100644
--- a/git_part.c
+++ b/git_part.c
@@ -44,6 +44,7 @@ void print_commits(int dir_fd,const git_reference *branch, git_repository *repo)
 	FILE *log_file;
 	FILE *diff_file;
 	int diff_directory_fd;
+	int files_directory_fd;
 
 	git_revwalk *walker;
 	git_oid current;
@@ -58,17 +59,24 @@ void print_commits(int dir_fd,const git_reference *branch, git_repository *repo)
 
 
 	log_file=create_file(dir_fd,"log");
-	diff_directory_fd=create_diff_dir(dir_fd);
+	diff_directory_fd=create_dir(dir_fd,"diffs");
+	files_directory_fd=create_dir(dir_fd,"files");
 	
 	while(!git_revwalk_next(&current,walker))
 	{
 		git_commit_lookup(&current_commit,repo,&current);
 		git_commit_tree(&current_tree,current_commit);
+
 		if(parent_tree!=NULL)
 		{
 			diff_file=create_file(diff_directory_fd,git_oid_tostr_s(&current));
+
 			print_diff(diff_file,parent_tree,current_tree,repo);
+
 			git_tree_free(parent_tree);
+		}else/*we only print the files of the HEAD*/
+		{
+			print_files(files_directory_fd,current_tree,repo);
 		}
 		
 		print_headers_and_commit_message(log_file,current_commit,&current);
@@ -108,4 +116,62 @@ void print_branches(git_repository *repo)
 
 	git_branch_iterator_free(it);
 }
+void print_files(int dir_fd,git_tree *tree,git_repository *repo)
+{
+	size_t number_of_entries;
+	size_t i;
+	const git_tree_entry *current_entry;
+
+	number_of_entries=git_tree_entrycount(tree);
+	
+	for(i=0;i<number_of_entries;++i)
+	{
+		current_entry=git_tree_entry_byindex(tree,i);
+		print_entry(current_entry,dir_fd,repo);
+	}
+}
+int print_entry(const git_tree_entry *entry,int base_dir_fd,git_repository *repo)
+{
+	git_object *obj;
+	const char *entry_name;
+
+	git_tree_entry_to_object(&obj,repo,entry);
+	entry_name=git_tree_entry_name(entry);
+
+	switch(git_object_type(obj))
+	{
+		case GIT_OBJECT_TREE:
+			{
+				int new_dir_fd;
+				git_tree *tree;
+
+				tree=(git_tree*)obj;
+				
+				new_dir_fd=create_dir(base_dir_fd,entry_name);
+				print_files(new_dir_fd,tree,repo);
+			}
+			break;
+		case GIT_OBJECT_BLOB:
+			{
+				FILE *blob_file;
+				const void *blob_data;
+				size_t blob_size;
+				git_blob *blob;
+
+				blob=(git_blob*)obj;
+
+				blob_file=create_file(base_dir_fd,entry_name);
+				blob_size=git_blob_rawsize(blob);
+				blob_data=git_blob_rawcontent(blob);
+
+				fwrite(blob_data,blob_size,1,blob_file);
+
+				fclose(blob_file);
+			}
+			break;
+	}
+
+	git_object_free(obj);
+	return 0;
+}
 #endif
-- 
cgit v1.2.3