Merge branch 'lh/repo-scan'

This commit is contained in:
Lars Hjemli
2009-09-13 22:02:07 +02:00
11 changed files with 331 additions and 82 deletions

269
cgit.c
View File

@ -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)
{
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");
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;
}
void print_repolist(struct cgit_repolist *list)
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)
{
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)
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)
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(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);
}
}