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#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,FILE *out)
{
size_t i;
fprintf(out,"%c ",line->origin);
for(i=0;i<line->content_len;++i)
fprintf(out,"%c",line->content[i]);
return 0;
}
void print_diff(FILE *out,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_ID,(git_diff_line_cb)print_diff_line,out);
if(diff_from_parent)
git_diff_free(diff_from_parent);
}
void print_headers_and_commit_message(FILE *where,git_commit *current_commit,git_oid *current)
{
const git_signature *who_commited;
fprintf(where,"COMMIT: %s\n",git_oid_tostr_s(current));
who_commited=git_commit_committer(current_commit);
fprintf(where,"AUTHOR: %s <%s>\n",who_commited->name,who_commited->email);
fprintf(where,"DATE: %s\n",ctime(&who_commited->when.time));
fprintf(where,"\t%s\n",git_commit_message(current_commit));
}
void print_commits(int dir_fd,const git_reference *branch, git_repository *repo)
{
const git_oid *id;
FILE *log_file;
FILE *diff_file;
int diff_directory_fd;
int files_directory_fd;
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);
log_file=create_file(dir_fd,"log");
diff_directory_fd=create_dir(dir_fd,"diffs");
files_directory_fd=create_dir(dir_fd,"files");
while(!git_revwalk_next(¤t,walker))
{
git_commit_lookup(¤t_commit,repo,¤t);
git_commit_tree(¤t_tree,current_commit);
if(parent_tree!=NULL)
{
diff_file=create_file(diff_directory_fd,git_oid_tostr_s(¤t));
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,¤t);
parent_tree=current_tree;
git_commit_free(current_commit);
}
git_revwalk_free(walker);
fclose(log_file);
}
void print_branches(git_repository *repo)
{
const char *branch_name;
int branch_dir_fd;
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)
{
branch_dir_fd=create_branch_dir(branch_name);
print_commits(branch_dir_fd,ref,repo);
close(branch_dir_fd);
}else
{
printf("NULL\n");
}
}
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
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