1#include "cgit.h"
  2#include "html.h"
  3
  4#define MAX_PATH 4096
  5
  6/* return 1 if path contains a objects/ directory and a HEAD file */
  7static int is_git_dir(const char *path)
  8{
  9	struct stat st;
 10	static char buf[MAX_PATH];
 11
 12	if (snprintf(buf, MAX_PATH, "%s/objects", path) >= MAX_PATH) {
 13		fprintf(stderr, "Insanely long path: %s\n", path);
 14		return 0;
 15	}
 16	if (stat(buf, &st)) {
 17		if (errno != ENOENT)
 18			fprintf(stderr, "Error checking path %s: %s (%d)\n",
 19				path, strerror(errno), errno);
 20		return 0;
 21	}
 22	if (!S_ISDIR(st.st_mode))
 23		return 0;
 24
 25	sprintf(buf, "%s/HEAD", path);
 26	if (stat(buf, &st)) {
 27		if (errno != ENOENT)
 28			fprintf(stderr, "Error checking path %s: %s (%d)\n",
 29				path, strerror(errno), errno);
 30		return 0;
 31	}
 32	if (!S_ISREG(st.st_mode))
 33		return 0;
 34
 35	return 1;
 36}
 37
 38static void add_repo(const char *base, const char *path)
 39{
 40	struct cgit_repo *repo;
 41	struct stat st;
 42	struct passwd *pwd;
 43	char *p;
 44	size_t size;
 45
 46	if (stat(path, &st)) {
 47		fprintf(stderr, "Error accessing %s: %s (%d)\n",
 48			path, strerror(errno), errno);
 49		return;
 50	}
 51	if ((pwd = getpwuid(st.st_uid)) == NULL) {
 52		fprintf(stderr, "Error reading owner-info for %s: %s (%d)\n",
 53			path, strerror(errno), errno);
 54		return;
 55	}
 56	if (base == path)
 57		p = fmt("%s", path);
 58	else
 59		p = fmt("%s", path + strlen(base) + 1);
 60
 61	if (!strcmp(p + strlen(p) - 5, "/.git"))
 62		p[strlen(p) - 5] = '\0';
 63
 64	repo = cgit_add_repo(xstrdup(p));
 65	repo->name = repo->url;
 66	repo->path = xstrdup(path);
 67	repo->owner = (pwd ? xstrdup(pwd->pw_gecos ? pwd->pw_gecos : pwd->pw_name) : "");
 68
 69	p = fmt("%s/description", path);
 70	if (!stat(p, &st))
 71		readfile(p, &repo->desc, &size);
 72
 73	p = fmt("%s/README.html", path);
 74	if (!stat(p, &st))
 75		repo->readme = "README.html";
 76}
 77
 78static void scan_path(const char *base, const char *path)
 79{
 80	DIR *dir;
 81	struct dirent *ent;
 82	char *buf;
 83	struct stat st;
 84
 85	if (is_git_dir(path)) {
 86		add_repo(base, path);
 87		return;
 88	}
 89	dir = opendir(path);
 90	if (!dir) {
 91		fprintf(stderr, "Error opening directory %s: %s (%d)\n",
 92			path, strerror(errno), errno);
 93		return;
 94	}
 95	while((ent = readdir(dir)) != NULL) {
 96		if (ent->d_name[0] == '.') {
 97			if (ent->d_name[1] == '\0')
 98				continue;
 99			if (ent->d_name[1] == '.' && ent->d_name[2] == '\0')
100				continue;
101		}
102		buf = malloc(strlen(path) + strlen(ent->d_name) + 2);
103		if (!buf) {
104			fprintf(stderr, "Alloc error on %s: %s (%d)\n",
105				path, strerror(errno), errno);
106			exit(1);
107		}
108		sprintf(buf, "%s/%s", path, ent->d_name);
109		if (stat(buf, &st)) {
110			fprintf(stderr, "Error checking path %s: %s (%d)\n",
111				buf, strerror(errno), errno);
112			free(buf);
113			continue;
114		}
115		if (S_ISDIR(st.st_mode))
116			scan_path(base, buf);
117		free(buf);
118	}
119	closedir(dir);
120}
121
122void scan_tree(const char *path)
123{
124	scan_path(path, path);
125}