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
 38char *readfile(const char *path)
 39{
 40	FILE *f;
 41	static char buf[MAX_PATH];
 42
 43	if (!(f = fopen(path, "r")))
 44		return NULL;
 45	buf[0] = 0;
 46	fgets(buf, MAX_PATH, f);
 47	fclose(f);
 48	return buf;
 49}
 50
 51static void add_repo(const char *base, const char *path)
 52{
 53	struct cgit_repo *repo;
 54	struct stat st;
 55	struct passwd *pwd;
 56	char *p;
 57
 58	if (stat(path, &st)) {
 59		fprintf(stderr, "Error accessing %s: %s (%d)\n",
 60			path, strerror(errno), errno);
 61		return;
 62	}
 63	if ((pwd = getpwuid(st.st_uid)) == NULL) {
 64		fprintf(stderr, "Error reading owner-info for %s: %s (%d)\n",
 65			path, strerror(errno), errno);
 66		return;
 67	}
 68	if (base == path)
 69		p = fmt("%s", path);
 70	else
 71		p = fmt("%s", path + strlen(base) + 1);
 72
 73	if (!strcmp(p + strlen(p) - 5, "/.git"))
 74		p[strlen(p) - 5] = '\0';
 75
 76	repo = cgit_add_repo(xstrdup(p));
 77	repo->name = repo->url;
 78	repo->path = xstrdup(path);
 79	repo->owner = (pwd ? xstrdup(pwd->pw_gecos ? pwd->pw_gecos : pwd->pw_name) : "");
 80
 81	p = fmt("%s/description", path);
 82	if (!stat(p, &st))
 83		repo->desc = xstrdup(readfile(p));
 84
 85	p = fmt("%s/README.html", path);
 86	if (!stat(p, &st))
 87		repo->readme = "README.html";
 88}
 89
 90static void scan_path(const char *base, const char *path)
 91{
 92	DIR *dir;
 93	struct dirent *ent;
 94	char *buf;
 95	struct stat st;
 96
 97	if (is_git_dir(path)) {
 98		add_repo(base, path);
 99		return;
100	}
101	dir = opendir(path);
102	if (!dir) {
103		fprintf(stderr, "Error opening directory %s: %s (%d)\n",
104			path, strerror(errno), errno);
105		return;
106	}
107	while((ent = readdir(dir)) != NULL) {
108		if (ent->d_name[0] == '.') {
109			if (ent->d_name[1] == '\0')
110				continue;
111			if (ent->d_name[1] == '.' && ent->d_name[2] == '\0')
112				continue;
113		}
114		buf = malloc(strlen(path) + strlen(ent->d_name) + 2);
115		if (!buf) {
116			fprintf(stderr, "Alloc error on %s: %s (%d)\n",
117				path, strerror(errno), errno);
118			exit(1);
119		}
120		sprintf(buf, "%s/%s", path, ent->d_name);
121		if (stat(buf, &st)) {
122			fprintf(stderr, "Error checking path %s: %s (%d)\n",
123				buf, strerror(errno), errno);
124			free(buf);
125			continue;
126		}
127		if (S_ISDIR(st.st_mode))
128			scan_path(base, buf);
129		free(buf);
130	}
131	closedir(dir);
132}
133
134void scan_tree(const char *path)
135{
136	scan_path(path, path);
137}