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-rw-r--r--scan-tree.c136
1 files changed, 136 insertions, 0 deletions
diff --git a/scan-tree.c b/scan-tree.c
new file mode 100644
index 0000000..cdafb02
--- a/dev/null
+++ b/scan-tree.c
@@ -0,0 +1,136 @@
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 fgets(buf, MAX_PATH, f);
46 fclose(f);
47 return buf;
48}
49
50static void add_repo(const char *base, const char *path)
51{
52 struct cgit_repo *repo;
53 struct stat st;
54 struct passwd *pwd;
55 char *p;
56
57 if (stat(path, &st)) {
58 fprintf(stderr, "Error accessing %s: %s (%d)\n",
59 path, strerror(errno), errno);
60 return;
61 }
62 if ((pwd = getpwuid(st.st_uid)) == NULL) {
63 fprintf(stderr, "Error reading owner-info for %s: %s (%d)\n",
64 path, strerror(errno), errno);
65 return;
66 }
67 if (base == path)
68 p = fmt("%s", path);
69 else
70 p = fmt("%s", path + strlen(base) + 1);
71
72 if (!strcmp(p + strlen(p) - 5, "/.git"))
73 p[strlen(p) - 5] = '\0';
74
75 repo = cgit_add_repo(xstrdup(p));
76 repo->name = repo->url;
77 repo->path = xstrdup(path);
78 repo->owner = (pwd ? xstrdup(pwd->pw_gecos ? pwd->pw_gecos : pwd->pw_name) : "");
79
80 p = fmt("%s/description", path);
81 if (!stat(p, &st))
82 repo->desc = xstrdup(readfile(p));
83
84 p = fmt("%s/README.html", path);
85 if (!stat(p, &st))
86 repo->readme = "README.html";
87}
88
89static void scan_path(const char *base, const char *path)
90{
91 DIR *dir;
92 struct dirent *ent;
93 char *buf;
94 struct stat st;
95
96 if (is_git_dir(path)) {
97 add_repo(base, path);
98 return;
99 }
100 dir = opendir(path);
101 if (!dir) {
102 fprintf(stderr, "Error opening directory %s: %s (%d)\n",
103 path, strerror(errno), errno);
104 return;
105 }
106 while((ent = readdir(dir)) != NULL) {
107 if (ent->d_name[0] == '.') {
108 if (ent->d_name[1] == '\0')
109 continue;
110 if (ent->d_name[1] == '.' && ent->d_name[2] == '\0')
111 continue;
112 }
113 buf = malloc(strlen(path) + strlen(ent->d_name) + 2);
114 if (!buf) {
115 fprintf(stderr, "Alloc error on %s: %s (%d)\n",
116 path, strerror(errno), errno);
117 exit(1);
118 }
119 sprintf(buf, "%s/%s", path, ent->d_name);
120 if (stat(buf, &st)) {
121 fprintf(stderr, "Error checking path %s: %s (%d)\n",
122 buf, strerror(errno), errno);
123 free(buf);
124 continue;
125 }
126 if (S_ISDIR(st.st_mode))
127 scan_path(base, buf);
128 free(buf);
129 }
130 closedir(dir);
131}
132
133void scan_tree(const char *path)
134{
135 scan_path(path, path);
136}