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authorLars Hjemli <hjemli@gmail.com>2008-09-15 02:07:12 +0400
committerLars Hjemli <hjemli@gmail.com>2008-09-16 01:35:27 +0400
commit93397a765b9d9af11b7d10c114406e303ea4fb1c (patch)
treefa40c0c8df7549525123359bf817598ae7e9f43d
parente154edd8078020d6eba41b448afade0a68617f35 (diff)
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>
-rw-r--r--Makefile1
-rw-r--r--cgit.c47
-rw-r--r--scan-tree.c136
-rw-r--r--scan-tree.h3
4 files changed, 184 insertions, 3 deletions
diff --git a/Makefile b/Makefile
index a1caaf4..302ff4c 100644
--- a/Makefile
+++ b/Makefile
@@ -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
diff --git a/cgit.c b/cgit.c
index a47cad0..5a93fcd 100644
--- a/cgit.c
+++ b/cgit.c
@@ -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
diff --git a/scan-tree.c b/scan-tree.c
new file mode 100644
index 0000000..cdafb02
--- /dev/null
+++ b/scan-tree.c
@@ -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);
+}
diff --git a/scan-tree.h b/scan-tree.h
new file mode 100644
index 0000000..b103b16
--- /dev/null
+++ b/scan-tree.h
@@ -0,0 +1,3 @@
+
+
+extern void scan_tree(const char *path);