Add support for --scan-tree=<path> option to cgit

This option makes cgit scan a directory tree looking for git repositories,
generating suitable definitions for a cgitrc file on stdout.

Signed-off-by: Lars Hjemli <hjemli@gmail.com>
This commit is contained in:
Lars Hjemli 2008-09-15 00:07:12 +02:00
parent e154edd807
commit 93397a765b
4 changed files with 184 additions and 3 deletions

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@ -54,6 +54,7 @@ OBJECTS += cmd.o
OBJECTS += configfile.o
OBJECTS += html.o
OBJECTS += parsing.o
OBJECTS += scan-tree.o
OBJECTS += shared.o
OBJECTS += ui-atom.o
OBJECTS += ui-blob.o

47
cgit.c
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@ -12,6 +12,7 @@
#include "configfile.h"
#include "html.h"
#include "ui-shared.h"
#include "scan-tree.h"
const char *cgit_version = CGIT_VERSION;
@ -320,9 +321,39 @@ static void process_request(void *cbdata)
cgit_print_docend();
}
int cmp_repos(const void *a, const void *b)
{
const struct cgit_repo *ra = a, *rb = b;
return strcmp(ra->url, rb->url);
}
void print_repo(struct cgit_repo *repo)
{
printf("repo.url=%s\n", repo->url);
printf("repo.name=%s\n", repo->name);
printf("repo.path=%s\n", repo->path);
if (repo->owner)
printf("repo.owner=%s\n", repo->owner);
if (repo->desc)
printf("repo.desc=%s\n", repo->desc);
if (repo->readme)
printf("repo.readme=%s\n", repo->readme);
printf("\n");
}
void print_repolist(struct cgit_repolist *list)
{
int i;
for(i = 0; i < list->count; i++)
print_repo(&list->repos[i]);
}
static void cgit_parse_args(int argc, const char **argv)
{
int i;
int scan = 0;
for (i = 1; i < argc; i++) {
if (!strncmp(argv[i], "--cache=", 8)) {
@ -351,6 +382,16 @@ static void cgit_parse_args(int argc, const char **argv)
if (!strncmp(argv[i], "--ofs=", 6)) {
ctx.qry.ofs = atoi(argv[i]+6);
}
if (!strncmp(argv[i], "--scan-tree=", 12)) {
scan++;
scan_tree(argv[i] + 12);
}
}
if (scan) {
qsort(cgit_repolist.repos, cgit_repolist.count,
sizeof(struct cgit_repo), cmp_repos);
print_repolist(&cgit_repolist);
exit(0);
}
}
@ -383,14 +424,14 @@ int main(int argc, const char **argv)
cgit_repolist.count = 0;
cgit_repolist.repos = NULL;
parse_configfile(cgit_config_env ? cgit_config_env : CGIT_CONFIG,
config_cb);
ctx.repo = NULL;
if (getenv("SCRIPT_NAME"))
ctx.cfg.script_name = xstrdup(getenv("SCRIPT_NAME"));
if (getenv("QUERY_STRING"))
ctx.qry.raw = xstrdup(getenv("QUERY_STRING"));
cgit_parse_args(argc, argv);
parse_configfile(cgit_config_env ? cgit_config_env : CGIT_CONFIG,
config_cb);
ctx.repo = NULL;
http_parse_querystring(ctx.qry.raw, querystring_cb);
/* If virtual-root isn't specified in cgitrc and no url

136
scan-tree.c Normal file
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@ -0,0 +1,136 @@
#include "cgit.h"
#include "html.h"
#define MAX_PATH 4096
/* return 1 if path contains a objects/ directory and a HEAD file */
static int is_git_dir(const char *path)
{
struct stat st;
static char buf[MAX_PATH];
if (snprintf(buf, MAX_PATH, "%s/objects", path) >= MAX_PATH) {
fprintf(stderr, "Insanely long path: %s\n", path);
return 0;
}
if (stat(buf, &st)) {
if (errno != ENOENT)
fprintf(stderr, "Error checking path %s: %s (%d)\n",
path, strerror(errno), errno);
return 0;
}
if (!S_ISDIR(st.st_mode))
return 0;
sprintf(buf, "%s/HEAD", path);
if (stat(buf, &st)) {
if (errno != ENOENT)
fprintf(stderr, "Error checking path %s: %s (%d)\n",
path, strerror(errno), errno);
return 0;
}
if (!S_ISREG(st.st_mode))
return 0;
return 1;
}
char *readfile(const char *path)
{
FILE *f;
static char buf[MAX_PATH];
if (!(f = fopen(path, "r")))
return NULL;
fgets(buf, MAX_PATH, f);
fclose(f);
return buf;
}
static void add_repo(const char *base, const char *path)
{
struct cgit_repo *repo;
struct stat st;
struct passwd *pwd;
char *p;
if (stat(path, &st)) {
fprintf(stderr, "Error accessing %s: %s (%d)\n",
path, strerror(errno), errno);
return;
}
if ((pwd = getpwuid(st.st_uid)) == NULL) {
fprintf(stderr, "Error reading owner-info for %s: %s (%d)\n",
path, strerror(errno), errno);
return;
}
if (base == path)
p = fmt("%s", path);
else
p = fmt("%s", path + strlen(base) + 1);
if (!strcmp(p + strlen(p) - 5, "/.git"))
p[strlen(p) - 5] = '\0';
repo = cgit_add_repo(xstrdup(p));
repo->name = repo->url;
repo->path = xstrdup(path);
repo->owner = (pwd ? xstrdup(pwd->pw_gecos ? pwd->pw_gecos : pwd->pw_name) : "");
p = fmt("%s/description", path);
if (!stat(p, &st))
repo->desc = xstrdup(readfile(p));
p = fmt("%s/README.html", path);
if (!stat(p, &st))
repo->readme = "README.html";
}
static void scan_path(const char *base, const char *path)
{
DIR *dir;
struct dirent *ent;
char *buf;
struct stat st;
if (is_git_dir(path)) {
add_repo(base, path);
return;
}
dir = opendir(path);
if (!dir) {
fprintf(stderr, "Error opening directory %s: %s (%d)\n",
path, strerror(errno), errno);
return;
}
while((ent = readdir(dir)) != NULL) {
if (ent->d_name[0] == '.') {
if (ent->d_name[1] == '\0')
continue;
if (ent->d_name[1] == '.' && ent->d_name[2] == '\0')
continue;
}
buf = malloc(strlen(path) + strlen(ent->d_name) + 2);
if (!buf) {
fprintf(stderr, "Alloc error on %s: %s (%d)\n",
path, strerror(errno), errno);
exit(1);
}
sprintf(buf, "%s/%s", path, ent->d_name);
if (stat(buf, &st)) {
fprintf(stderr, "Error checking path %s: %s (%d)\n",
buf, strerror(errno), errno);
free(buf);
continue;
}
if (S_ISDIR(st.st_mode))
scan_path(base, buf);
free(buf);
}
closedir(dir);
}
void scan_tree(const char *path)
{
scan_path(path, path);
}

3
scan-tree.h Normal file
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@ -0,0 +1,3 @@
extern void scan_tree(const char *path);