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-rw-r--r--cgit.c265
1 files changed, 211 insertions, 54 deletions
diff --git a/cgit.c b/cgit.c
index ec40e1f..bd37788 100644
--- a/cgit.c
+++ b/cgit.c
@@ -40,9 +40,58 @@ struct cgit_filter *new_filter(const char *cmd, int extra_args)
return f;
}
+static void process_cached_repolist(const char *path);
+
+void repo_config(struct cgit_repo *repo, const char *name, const char *value)
+{
+ if (!strcmp(name, "name"))
+ repo->name = xstrdup(value);
+ else if (!strcmp(name, "clone-url"))
+ repo->clone_url = xstrdup(value);
+ else if (!strcmp(name, "desc"))
+ repo->desc = xstrdup(value);
+ else if (!strcmp(name, "owner"))
+ repo->owner = xstrdup(value);
+ else if (!strcmp(name, "defbranch"))
+ repo->defbranch = xstrdup(value);
+ else if (!strcmp(name, "snapshots"))
+ repo->snapshots = ctx.cfg.snapshots & cgit_parse_snapshots_mask(value);
+ else if (!strcmp(name, "enable-log-filecount"))
+ repo->enable_log_filecount = ctx.cfg.enable_log_filecount * atoi(value);
+ else if (!strcmp(name, "enable-log-linecount"))
+ repo->enable_log_linecount = ctx.cfg.enable_log_linecount * atoi(value);
+ else if (!strcmp(name, "max-stats"))
+ repo->max_stats = cgit_find_stats_period(value, NULL);
+ else if (!strcmp(name, "module-link"))
+ repo->module_link= xstrdup(value);
+ else if (!strcmp(name, "section"))
+ repo->section = xstrdup(value);
+ else if (!strcmp(name, "readme") && value != NULL) {
+ if (*value == '/')
+ ctx.repo->readme = xstrdup(value);
+ else
+ ctx.repo->readme = xstrdup(fmt("%s/%s", ctx.repo->path, value));
+ } else if (ctx.cfg.enable_filter_overrides) {
+ if (!strcmp(name, "about-filter"))
+ repo->about_filter = new_filter(value, 0);
+ else if (!strcmp(name, "commit-filter"))
+ repo->commit_filter = new_filter(value, 0);
+ else if (!strcmp(name, "source-filter"))
+ repo->source_filter = new_filter(value, 1);
+ }
+}
+
void config_cb(const char *name, const char *value)
{
- if (!strcmp(name, "root-title"))
+ if (!strcmp(name, "section") || !strcmp(name, "repo.group"))
+ ctx.cfg.section = xstrdup(value);
+ else if (!strcmp(name, "repo.url"))
+ ctx.repo = cgit_add_repo(value);
+ else if (ctx.repo && !strcmp(name, "repo.path"))
+ ctx.repo->path = trim_end(value, '/');
+ else if (ctx.repo && !prefixcmp(name, "repo."))
+ repo_config(ctx.repo, name + 5, value);
+ else if (!strcmp(name, "root-title"))
ctx.cfg.root_title = xstrdup(value);
else if (!strcmp(name, "root-desc"))
ctx.cfg.root_desc = xstrdup(value);
@@ -80,6 +129,8 @@ void config_cb(const char *name, const char *value)
ctx.cfg.noheader = atoi(value);
else if (!strcmp(name, "snapshots"))
ctx.cfg.snapshots = cgit_parse_snapshots_mask(value);
+ else if (!strcmp(name, "enable-filter-overrides"))
+ ctx.cfg.enable_filter_overrides = atoi(value);
else if (!strcmp(name, "enable-index-links"))
ctx.cfg.enable_index_links = atoi(value);
else if (!strcmp(name, "enable-log-filecount"))
@@ -98,6 +149,8 @@ void config_cb(const char *name, const char *value)
ctx.cfg.cache_root_ttl = atoi(value);
else if (!strcmp(name, "cache-repo-ttl"))
ctx.cfg.cache_repo_ttl = atoi(value);
+ else if (!strcmp(name, "cache-scanrc-ttl"))
+ ctx.cfg.cache_scanrc_ttl = atoi(value);
else if (!strcmp(name, "cache-static-ttl"))
ctx.cfg.cache_static_ttl = atoi(value);
else if (!strcmp(name, "cache-dynamic-ttl"))
@@ -116,6 +169,11 @@ void config_cb(const char *name, const char *value)
ctx.cfg.max_repo_count = atoi(value);
else if (!strcmp(name, "max-commit-count"))
ctx.cfg.max_commit_count = atoi(value);
+ else if (!strcmp(name, "scan-path"))
+ if (!ctx.cfg.nocache && ctx.cfg.cache_size)
+ process_cached_repolist(value);
+ else
+ scan_tree(value, repo_config);
else if (!strcmp(name, "source-filter"))
ctx.cfg.source_filter = new_filter(value, 1);
else if (!strcmp(name, "summary-log"))
@@ -136,44 +194,7 @@ void config_cb(const char *name, const char *value)
ctx.cfg.local_time = atoi(value);
else if (!prefixcmp(name, "mimetype."))
add_mimetype(name + 9, value);
- else if (!strcmp(name, "repo.group"))
- ctx.cfg.repo_group = xstrdup(value);
- else if (!strcmp(name, "repo.url"))
- ctx.repo = cgit_add_repo(value);
- else if (!strcmp(name, "repo.name"))
- ctx.repo->name = xstrdup(value);
- else if (ctx.repo && !strcmp(name, "repo.path"))
- ctx.repo->path = trim_end(value, '/');
- else if (ctx.repo && !strcmp(name, "repo.clone-url"))
- ctx.repo->clone_url = xstrdup(value);
- else if (ctx.repo && !strcmp(name, "repo.desc"))
- ctx.repo->desc = xstrdup(value);
- else if (ctx.repo && !strcmp(name, "repo.owner"))
- ctx.repo->owner = xstrdup(value);
- else if (ctx.repo && !strcmp(name, "repo.defbranch"))
- ctx.repo->defbranch = xstrdup(value);
- else if (ctx.repo && !strcmp(name, "repo.snapshots"))
- ctx.repo->snapshots = ctx.cfg.snapshots & cgit_parse_snapshots_mask(value); /* XXX: &? */
- else if (ctx.repo && !strcmp(name, "repo.enable-log-filecount"))
- ctx.repo->enable_log_filecount = ctx.cfg.enable_log_filecount * atoi(value);
- else if (ctx.repo && !strcmp(name, "repo.enable-log-linecount"))
- ctx.repo->enable_log_linecount = ctx.cfg.enable_log_linecount * atoi(value);
- else if (ctx.repo && !strcmp(name, "repo.max-stats"))
- ctx.repo->max_stats = cgit_find_stats_period(value, NULL);
- else if (ctx.repo && !strcmp(name, "repo.module-link"))
- ctx.repo->module_link= xstrdup(value);
- else if (ctx.repo && !strcmp(name, "repo.about-filter"))
- ctx.repo->about_filter = new_filter(value, 0);
- else if (ctx.repo && !strcmp(name, "repo.commit-filter"))
- ctx.repo->commit_filter = new_filter(value, 0);
- else if (ctx.repo && !strcmp(name, "repo.source-filter"))
- ctx.repo->source_filter = new_filter(value, 1);
- else if (ctx.repo && !strcmp(name, "repo.readme") && value != NULL) {
- if (*value == '/')
- ctx.repo->readme = xstrdup(value);
- else
- ctx.repo->readme = xstrdup(fmt("%s/%s", ctx.repo->path, value));
- } else if (!strcmp(name, "include"))
+ else if (!strcmp(name, "include"))
parse_configfile(value, config_cb);
}
@@ -236,6 +257,7 @@ static void prepare_context(struct cgit_context *ctx)
ctx->cfg.cache_repo_ttl = 5;
ctx->cfg.cache_root = CGIT_CACHE_ROOT;
ctx->cfg.cache_root_ttl = 5;
+ ctx->cfg.cache_scanrc_ttl = 15;
ctx->cfg.cache_static_ttl = -1;
ctx->cfg.css = "/cgit.css";
ctx->cfg.logo = "/cgit.png";
@@ -253,6 +275,7 @@ static void prepare_context(struct cgit_context *ctx)
ctx->cfg.root_title = "Git repository browser";
ctx->cfg.root_desc = "a fast webinterface for the git dscm";
ctx->cfg.script_name = CGIT_SCRIPT_NAME;
+ ctx->cfg.section = "";
ctx->cfg.summary_branches = 10;
ctx->cfg.summary_log = 10;
ctx->cfg.summary_tags = 10;
@@ -417,28 +440,151 @@ int cmp_repos(const void *a, const void *b)
return strcmp(ra->url, rb->url);
}
-void print_repo(struct cgit_repo *repo)
+char *build_snapshot_setting(int bitmap)
+{
+ const struct cgit_snapshot_format *f;
+ char *result = xstrdup("");
+ char *tmp;
+ int len;
+
+ for (f = cgit_snapshot_formats; f->suffix; f++) {
+ if (f->bit & bitmap) {
+ tmp = result;
+ result = xstrdup(fmt("%s%s ", tmp, f->suffix));
+ free(tmp);
+ }
+ }
+ len = strlen(result);
+ if (len)
+ result[len - 1] = '\0';
+ return result;
+}
+
+char *get_first_line(char *txt)
+{
+ char *t = xstrdup(txt);
+ char *p = strchr(t, '\n');
+ if (p)
+ *p = '\0';
+ return t;
+}
+
+void print_repo(FILE *f, 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);
+ fprintf(f, "repo.url=%s\n", repo->url);
+ fprintf(f, "repo.name=%s\n", repo->name);
+ fprintf(f, "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);
+ fprintf(f, "repo.owner=%s\n", repo->owner);
+ if (repo->desc) {
+ char *tmp = get_first_line(repo->desc);
+ fprintf(f, "repo.desc=%s\n", tmp);
+ free(tmp);
+ }
if (repo->readme)
- printf("repo.readme=%s\n", repo->readme);
- printf("\n");
+ fprintf(f, "repo.readme=%s\n", repo->readme);
+ if (repo->defbranch)
+ fprintf(f, "repo.defbranch=%s\n", repo->defbranch);
+ if (repo->module_link)
+ fprintf(f, "repo.module-link=%s\n", repo->module_link);
+ if (repo->section)
+ fprintf(f, "repo.section=%s\n", repo->section);
+ if (repo->clone_url)
+ fprintf(f, "repo.clone-url=%s\n", repo->clone_url);
+ fprintf(f, "repo.enable-log-filecount=%d\n",
+ repo->enable_log_filecount);
+ fprintf(f, "repo.enable-log-linecount=%d\n",
+ repo->enable_log_linecount);
+ if (repo->about_filter && repo->about_filter != ctx.cfg.about_filter)
+ fprintf(f, "repo.about-filter=%s\n", repo->about_filter->cmd);
+ if (repo->commit_filter && repo->commit_filter != ctx.cfg.commit_filter)
+ fprintf(f, "repo.commit-filter=%s\n", repo->commit_filter->cmd);
+ if (repo->source_filter && repo->source_filter != ctx.cfg.source_filter)
+ fprintf(f, "repo.source-filter=%s\n", repo->source_filter->cmd);
+ if (repo->snapshots != ctx.cfg.snapshots) {
+ char *tmp = build_snapshot_setting(repo->snapshots);
+ fprintf(f, "repo.snapshots=%s\n", tmp);
+ free(tmp);
+ }
+ if (repo->max_stats != ctx.cfg.max_stats)
+ fprintf(f, "repo.max-stats=%s\n",
+ cgit_find_stats_periodname(repo->max_stats));
+ fprintf(f, "\n");
}
-void print_repolist(struct cgit_repolist *list)
+void print_repolist(FILE *f, struct cgit_repolist *list, int start)
{
int i;
- for(i = 0; i < list->count; i++)
- print_repo(&list->repos[i]);
+ for(i = start; i < list->count; i++)
+ print_repo(f, &list->repos[i]);
+}
+
+/* Scan 'path' for git repositories, save the resulting repolist in 'cached_rc'
+ * and return 0 on success.
+ */
+static int generate_cached_repolist(const char *path, const char *cached_rc)
+{
+ char *locked_rc;
+ int idx;
+ FILE *f;
+
+ locked_rc = xstrdup(fmt("%s.lock", cached_rc));
+ f = fopen(locked_rc, "wx");
+ if (!f) {
+ /* Inform about the error unless the lockfile already existed,
+ * since that only means we've got concurrent requests.
+ */
+ if (errno != EEXIST)
+ fprintf(stderr, "[cgit] Error opening %s: %s (%d)\n",
+ locked_rc, strerror(errno), errno);
+ return errno;
+ }
+ idx = cgit_repolist.count;
+ scan_tree(path, repo_config);
+ print_repolist(f, &cgit_repolist, idx);
+ if (rename(locked_rc, cached_rc))
+ fprintf(stderr, "[cgit] Error renaming %s to %s: %s (%d)\n",
+ locked_rc, cached_rc, strerror(errno), errno);
+ fclose(f);
+ return 0;
}
+static void process_cached_repolist(const char *path)
+{
+ struct stat st;
+ char *cached_rc;
+ time_t age;
+
+ cached_rc = xstrdup(fmt("%s/rc-%8x", ctx.cfg.cache_root,
+ hash_str(path)));
+
+ if (stat(cached_rc, &st)) {
+ /* Nothing is cached, we need to scan without forking. And
+ * if we fail to generate a cached repolist, we need to
+ * invoke scan_tree manually.
+ */
+ if (generate_cached_repolist(path, cached_rc))
+ scan_tree(path, repo_config);
+ return;
+ }
+
+ parse_configfile(cached_rc, config_cb);
+
+ /* If the cached configfile hasn't expired, lets exit now */
+ age = time(NULL) - st.st_mtime;
+ if (age <= (ctx.cfg.cache_scanrc_ttl * 60))
+ return;
+
+ /* The cached repolist has been parsed, but it was old. So lets
+ * rescan the specified path and generate a new cached repolist
+ * in a child-process to avoid latency for the current request.
+ */
+ if (fork())
+ return;
+
+ exit(generate_cached_repolist(path, cached_rc));
+}
static void cgit_parse_args(int argc, const char **argv)
{
@@ -475,15 +621,26 @@ 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)) {
+ if (!strncmp(argv[i], "--scan-tree=", 12) ||
+ !strncmp(argv[i], "--scan-path=", 12)) {
+ /* HACK: the global snapshot bitmask defines the
+ * set of allowed snapshot formats, but the config
+ * file hasn't been parsed yet so the mask is
+ * currently 0. By setting all bits high before
+ * scanning we make sure that any in-repo cgitrc
+ * snapshot setting is respected by scan_tree().
+ * BTW: we assume that there'll never be more than
+ * 255 different snapshot formats supported by cgit...
+ */
+ ctx.cfg.snapshots = 0xFF;
scan++;
- scan_tree(argv[i] + 12);
+ scan_tree(argv[i] + 12, repo_config);
}
}
if (scan) {
qsort(cgit_repolist.repos, cgit_repolist.count,
sizeof(struct cgit_repo), cmp_repos);
- print_repolist(&cgit_repolist);
+ print_repolist(stdout, &cgit_repolist, 0);
exit(0);
}
}