From 9868bd4ae045aadeb5cd9af6a13231462948077e Mon Sep 17 00:00:00 2001
From: Galin Simeonov <gts@volconst.com>
Date: Sat, 25 Sep 2021 11:43:15 +0300
Subject: separating git stuff into a different file

---
 git_part.c | 98 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 98 insertions(+)
 create mode 100644 git_part.c

(limited to 'git_part.c')

diff --git a/git_part.c b/git_part.c
new file mode 100644
index 0000000..6d91717
--- /dev/null
+++ b/git_part.c
@@ -0,0 +1,98 @@
+#ifndef VOLGIT_GIT_PART_C
+#define VOLGIT_GIT_PART_C VOLGIT_GIT_PART_C
+#include <git_part.h>
+
+int print_diff_line(const git_diff_delta *delta,const git_diff_hunk *hunk,const git_diff_line *line,void *payload)
+{
+	size_t i;
+	printf("%c ",line->origin);
+	for(i=0;i<line->content_len;++i)
+		printf("%c",line->content[i]);
+	return 0;
+}
+
+void print_diff(git_tree *parent_tree,git_tree *current_tree,git_repository *repo)
+{
+	git_diff *diff_from_parent;
+	size_t number_of_deltas=0;
+	size_t i;
+
+	git_diff_tree_to_tree(&diff_from_parent,repo,current_tree,parent_tree,NULL);
+
+	git_diff_print(diff_from_parent,GIT_DIFF_FORMAT_PATCH,print_diff_line,NULL);
+
+	if(diff_from_parent)
+		git_diff_free(diff_from_parent);
+}
+void print_headers_and_commit_message(git_commit *current_commit,git_oid *current)
+{
+	const git_signature *who_commited;
+	printf("COMMIT: %s\n",git_oid_tostr_s(current));
+
+	who_commited=git_commit_committer(current_commit);
+
+	printf("AUTHOR: %s <%s>\n",who_commited->name,who_commited->email);
+
+	printf("DATE: %s\n",ctime(&who_commited->when.time));
+
+
+	printf("\t%s\n",git_commit_message(current_commit));
+}
+void print_commits(const git_reference *branch, git_repository *repo)
+{
+	const git_oid *id;
+	git_revwalk *walker;
+	git_oid current;
+	git_commit *current_commit;
+	git_time_t time_of_commit;
+	git_tree *parent_tree=NULL;
+	git_tree *current_tree;
+
+	git_revwalk_new(&walker,repo);
+	id=git_reference_target(branch);
+	git_revwalk_push(walker,id);
+	
+	while(!git_revwalk_next(&current,walker))
+	{
+		git_commit_lookup(&current_commit,repo,&current);
+		git_commit_tree(&current_tree,current_commit);
+		if(parent_tree!=NULL)
+		{
+			print_diff(parent_tree,current_tree,repo);
+			git_tree_free(parent_tree);
+		}
+		
+		print_headers_and_commit_message(current_commit,&current);
+
+		parent_tree=current_tree;
+		git_commit_free(current_commit);
+	}
+
+
+}
+
+void print_branches(git_repository *repo)
+{
+	const char *branch_name;
+	git_branch_iterator *it;
+	git_reference *ref;
+	git_branch_t branch_type=GIT_BRANCH_LOCAL;
+
+	git_branch_iterator_new(&it,repo,branch_type);
+	while(git_branch_next(&ref,&branch_type,it)==0)
+	{
+		git_branch_name(&branch_name,ref);	
+		if(branch_name)
+		{
+			printf("------- %s -------\n",branch_name);
+			print_commits(ref,repo);	
+			printf("------------------\n");
+		}else
+		{
+			printf("NULL\n");
+		}
+	}
+
+	git_branch_iterator_free(it);
+}
+#endif
-- 
cgit v1.2.3