#include <stdio.h>
#include <stdlib.h>
#include <string.h>
+#include <errno.h>
+#include <sys/stat.h>
#include <git2.h>
+#include "repo.h"
+#include "md5.h"
-struct repofile {
- char *path;
-};
-
+static int add_file(const char *name, const char *path);
+static void calc_chksum(FILE *fp, uint32_t *sum);
static int proc_tree(git_repository *repo, git_tree *tree, const char *path);
-static struct repofile *files;
+static struct repo_file *files;
static int num_files, max_files;
+static const char *repo_path;
int repo_init(const char *path)
{
int res = -1;
git_repository *repo = 0;
- git_tree *tree;
+ git_object *tree;
git_libgit2_init();
files = 0;
num_files = max_files = 0;
+ repo_path = path;
- if(git_revparse_single((git_object**)&tree, repo, "HEAD^{tree}") != 0) {
+ if(git_revparse_single(&tree, repo, "HEAD^{tree}") != 0) {
fprintf(stderr, "repo_init: %s\n", git_error_last()->message);
goto end;
}
- if(proc_tree(repo, tree, 0) == -1) {
+ if(proc_tree(repo, (git_tree*)tree, 0) == -1) {
goto end;
}
+ git_object_free(tree);
res = 0;
end:
void repo_cleanup(void)
{
+ int i;
+ for(i=0; i<num_files; i++) {
+ free(files[i].fullpath);
+ }
free(files);
files = 0;
num_files = max_files = 0;
return num_files;
}
-const char *repo_file(int idx)
+struct repo_file *repo_file(int idx)
{
if(idx < 0 || idx >= num_files) return 0;
- return files[idx].path;
+ return files + idx;
}
static int add_file(const char *name, const char *path)
{
- struct repofile *file;
+ struct repo_file *file;
int pathlen;
+ struct stat st;
+ FILE *fp;
if(num_files >= max_files) {
int newmax = max_files ? max_files * 2 : 16;
max_files = newmax;
}
- pathlen = strlen(name);
+ pathlen = strlen(repo_path) + strlen(name) + 1;
if(path) {
pathlen += strlen(path) + 1;
}
file = files + num_files;
- if(!(file->path = malloc(pathlen + 1))) {
+ if(!(file->fullpath = malloc(pathlen + 1))) {
fprintf(stderr, "repo_init: failed to allocate file path buffer\n");
return -1;
}
if(path) {
- sprintf(file->path, "%s/%s", path, name);
+ sprintf(file->fullpath, "%s/%s/%s", repo_path, path, name);
} else {
- strcpy(file->path, name);
+ sprintf(file->fullpath, "%s/%s", repo_path, name);
}
+ file->path = file->fullpath + strlen(repo_path) + 1;
+
+ /* attempt to open the file */
+ if(!(fp = fopen(file->fullpath, "rb"))) {
+ fprintf(stderr, "repo_init: failed to open file: %s: %s\n", file->fullpath, strerror(errno));
+ free(file->fullpath);
+ return -1;
+ }
+
+ /* get size & modification time */
+ fstat(fileno(fp), &st);
+ file->size = st.st_size;
+ file->mtime = st.st_mtime;
+
+ /* calculate md5 checksum */
+ calc_chksum(fp, file->chksum);
+
+ fclose(fp);
num_files++;
return 0;
}
+static void calc_chksum(FILE *fp, uint32_t *sum)
+{
+ static char buf[4096];
+ int sz;
+ struct md5_state md;
+
+ md5_begin(&md);
+ while((sz = fread(buf, 1, sizeof buf, fp)) > 0) {
+ md5_msg(&md, buf, sz);
+ }
+ md5_end(&md);
+
+ memcpy(sum, md.sum, sizeof md.sum);
+}
+
static int proc_tree(git_repository *repo, git_tree *tree, const char *path)
{
int i, count = git_tree_entrycount(tree);
case GIT_OBJECT_TREE:
git_tree_entry_to_object(&obj, repo, ent);
if(path) {
- char *pathbuf = malloc(strlen(path) + strlen(name) + 1);
+ char *pathbuf = malloc(strlen(path) + strlen(name) + 2);
if(!pathbuf) {
fprintf(stderr, "repo_init: failed to allocate memory\n");
return -1;