X-Git-Url: https://gitweb.ps.run/ps-cgit/blobdiff_plain/fb3655df3bf85bd405c5921bbd4b3a54c705c839..dcbc0438b2543a733858d62170f3110a89edbed6:/cgit.c

diff --git a/cgit.c b/cgit.c
index f73c7b0..f0a9acf 100644
--- a/cgit.c
+++ b/cgit.c
@@ -1,7 +1,7 @@
 /* cgit.c: cgi for the git scm
  *
  * Copyright (C) 2006 Lars Hjemli
- * Copyright (C) 2010, 2012 Jason A. Donenfeld <Jason@zx2c4.com>
+ * Copyright (C) 2010-2013 Jason A. Donenfeld <Jason@zx2c4.com>
  *
  * Licensed under GNU General Public License v2
  *   (see COPYING for full license text)
@@ -14,6 +14,8 @@
 #include "html.h"
 #include "ui-shared.h"
 #include "ui-stats.h"
+#include "ui-blob.h"
+#include "ui-summary.h"
 #include "scan-tree.h"
 
 const char *cgit_version = CGIT_VERSION;
@@ -37,10 +39,10 @@ static struct cgit_filter *new_filter(const char *cmd, filter_type filtertype)
 
 	switch (filtertype) {
 		case SOURCE:
+		case ABOUT:
 			extra_args = 1;
 			break;
 
-		case ABOUT:
 		case COMMIT:
 		default:
 			extra_args = 0;
@@ -84,7 +86,12 @@ static void repo_config(struct cgit_repo *repo, const char *name, const char *va
 		repo->enable_remote_branches = atoi(value);
 	else if (!strcmp(name, "enable-subject-links"))
 		repo->enable_subject_links = atoi(value);
-	else if (!strcmp(name, "commit-sort")) {
+	else if (!strcmp(name, "branch-sort")) {
+		if (!strcmp(value, "age"))
+			repo->branch_sort = 1;
+		if (!strcmp(value, "name"))
+			repo->branch_sort = 0;
+	} else if (!strcmp(name, "commit-sort")) {
 		if (!strcmp(value, "date"))
 			repo->commit_sort = 1;
 		if (!strcmp(value, "topo"))
@@ -94,13 +101,15 @@ static void repo_config(struct cgit_repo *repo, const char *name, const char *va
 	else if (!strcmp(name, "module-link"))
 		repo->module_link= xstrdup(value);
 	else if (!prefixcmp(name, "module-link.")) {
-		item = string_list_append(&repo->submodules, name + 12);
+		item = string_list_append(&repo->submodules, xstrdup(name + 12));
 		item->util = xstrdup(value);
 	} else if (!strcmp(name, "section"))
 		repo->section = xstrdup(value);
-	else if (!strcmp(name, "readme") && value != NULL)
-		repo->readme = xstrdup(value);
-	else if (!strcmp(name, "logo") && value != NULL)
+	else if (!strcmp(name, "readme") && value != NULL) {
+		if (repo->readme.items == ctx.cfg.readme.items)
+			memset(&repo->readme, 0, sizeof(repo->readme));
+		string_list_append(&repo->readme, xstrdup(value));
+	} else if (!strcmp(name, "logo") && value != NULL)
 		repo->logo = xstrdup(value);
 	else if (!strcmp(name, "logo-link") && value != NULL)
 		repo->logo_link = xstrdup(value);
@@ -124,8 +133,8 @@ static void config_cb(const char *name, const char *value)
 		ctx.repo->path = trim_end(value, '/');
 	else if (ctx.repo && !prefixcmp(name, "repo."))
 		repo_config(ctx.repo, name + 5, value);
-	else if (!strcmp(name, "readme"))
-		ctx.cfg.readme = xstrdup(value);
+	else if (!strcmp(name, "readme") && value != NULL)
+		string_list_append(&ctx.cfg.readme, xstrdup(value));
 	else if (!strcmp(name, "root-title"))
 		ctx.cfg.root_title = xstrdup(value);
 	else if (!strcmp(name, "root-desc"))
@@ -271,6 +280,11 @@ static void config_cb(const char *name, const char *value)
 			ctx.cfg.commit_sort = 1;
 		if (!strcmp(value, "topo"))
 			ctx.cfg.commit_sort = 2;
+	} else if (!strcmp(name, "branch-sort")) {
+		if (!strcmp(value, "age"))
+			ctx.cfg.branch_sort = 1;
+		if (!strcmp(value, "name"))
+			ctx.cfg.branch_sort = 0;
 	} else if (!prefixcmp(name, "mimetype."))
 		add_mimetype(name + 9, value);
 	else if (!strcmp(name, "include"))
@@ -345,6 +359,8 @@ static void prepare_context(struct cgit_context *ctx)
 	ctx->cfg.cache_scanrc_ttl = 15;
 	ctx->cfg.cache_static_ttl = -1;
 	ctx->cfg.case_sensitive_sort = 1;
+	ctx->cfg.branch_sort = 0;
+	ctx->cfg.commit_sort = 0;
 	ctx->cfg.css = "/cgit.css";
 	ctx->cfg.logo = "/cgit.png";
 	ctx->cfg.local_time = 0;
@@ -456,6 +472,77 @@ static char *guess_defbranch(void)
 		return "master";
 	return xstrdup(ref + 11);
 }
+/* The caller must free filename and ref after calling this. */
+static inline void parse_readme(const char *readme, char **filename, char **ref, struct cgit_repo *repo)
+{
+	const char *colon;
+
+	*filename = NULL;
+	*ref = NULL;
+
+	if (!readme || !readme[0])
+		return;
+
+	/* Check if the readme is tracked in the git repo. */
+	colon = strchr(readme, ':');
+	if (colon && strlen(colon) > 1) {
+		/* If it starts with a colon, we want to use
+		 * the default branch */
+		if (colon == readme && repo->defbranch)
+			*ref = xstrdup(repo->defbranch);
+		else
+			*ref = xstrndup(readme, colon - readme);
+		readme = colon + 1;
+	}
+
+	/* Prepend repo path to relative readme path unless tracked. */
+	if (!(*ref) && readme[0] != '/')
+		*filename = fmtalloc("%s/%s", repo->path, readme);
+	else
+		*filename = xstrdup(readme);
+}
+static void choose_readme(struct cgit_repo *repo)
+{
+	int found;
+	char *filename, *ref;
+	struct string_list_item *entry;
+
+	if (!repo->readme.nr)
+		return;
+
+	found = 0;
+	for_each_string_list_item(entry, &repo->readme) {
+		parse_readme(entry->string, &filename, &ref, repo);
+		if (!filename) {
+			free(filename);
+			free(ref);
+			continue;
+		}
+		/* If there's only one item, we skip the possibly expensive
+		 * selection process. */
+		if (repo->readme.nr == 1) {
+			found = 1;
+			break;
+		}
+		if (ref) {
+			if (cgit_ref_path_exists(filename, ref, 1)) {
+				found = 1;
+				break;
+			}
+		}
+		else if (!access(filename, R_OK)) {
+			found = 1;
+			break;
+		}
+		free(filename);
+		free(ref);
+	}
+	repo->readme.strdup_strings = 1;
+	string_list_clear(&repo->readme, 0);
+	repo->readme.strdup_strings = 0;
+	if (found)
+		string_list_append(&repo->readme, filename)->util = ref;
+}
 
 static int prepare_repo_cmd(struct cgit_context *ctx)
 {
@@ -463,8 +550,21 @@ static int prepare_repo_cmd(struct cgit_context *ctx)
 	int nongit = 0;
 	int rc;
 
+	/* The path to the git repository. */
 	setenv("GIT_DIR", ctx->repo->path, 1);
+
+	/* Do not look in /etc/ for gitconfig and gitattributes. */
+	setenv("GIT_CONFIG_NOSYSTEM", "1", 1);
+	setenv("GIT_ATTR_NOSYSTEM", "1", 1);
+	unsetenv("HOME");
+	unsetenv("XDG_CONFIG_HOME");
+
+	/* Setup the git directory and initialize the notes system. Both of these
+	 * load local configuration from the git repository, so we do them both while
+	 * the HOME variables are unset. */
 	setup_git_directory_gently(&nongit);
+	init_display_notes(NULL);
+
 	if (nongit) {
 		const char *name = ctx->repo->name;
 		rc = errno;
@@ -512,6 +612,7 @@ static int prepare_repo_cmd(struct cgit_context *ctx)
 	}
 	sort_string_list(&ctx->repo->submodules);
 	cgit_prepare_repo_env(ctx->repo);
+	choose_readme(ctx->repo);
 	return 0;
 }
 
@@ -600,6 +701,7 @@ static char *get_first_line(char *txt)
 
 static void print_repo(FILE *f, struct cgit_repo *repo)
 {
+	struct string_list_item *item;
 	fprintf(f, "repo.url=%s\n", repo->url);
 	fprintf(f, "repo.name=%s\n", repo->name);
 	fprintf(f, "repo.path=%s\n", repo->path);
@@ -610,8 +712,12 @@ static void print_repo(FILE *f, struct cgit_repo *repo)
 		fprintf(f, "repo.desc=%s\n", tmp);
 		free(tmp);
 	}
-	if (repo->readme)
-		fprintf(f, "repo.readme=%s\n", repo->readme);
+	for_each_string_list_item(item, &repo->readme) {
+		if (item->util)
+			fprintf(f, "repo.readme=%s:%s\n", (char *)item->util, item->string);
+		else
+			fprintf(f, "repo.readme=%s\n", item->string);
+	}
 	if (repo->defbranch)
 		fprintf(f, "repo.defbranch=%s\n", repo->defbranch);
 	if (repo->module_link)
@@ -640,6 +746,20 @@ static void print_repo(FILE *f, struct cgit_repo *repo)
 	if (repo->max_stats != ctx.cfg.max_stats)
 		fprintf(f, "repo.max-stats=%s\n",
 		        cgit_find_stats_periodname(repo->max_stats));
+	if (repo->logo)
+		fprintf(f, "repo.logo=%s\n", repo->logo);
+	if (repo->logo_link)
+		fprintf(f, "repo.logo-link=%s\n", repo->logo_link);
+	fprintf(f, "repo.enable-remote-branches=%d\n", repo->enable_remote_branches);
+	fprintf(f, "repo.enable-subject-links=%d\n", repo->enable_subject_links);
+	if (repo->branch_sort == 1)
+		fprintf(f, "repo.branch-sort=age\n");
+	if (repo->commit_sort) {
+		if (repo->commit_sort == 1)
+			fprintf(f, "repo.commit-sort=date\n");
+		else if (repo->commit_sort == 2)
+			fprintf(f, "repo.commit-sort=topo\n");
+	}
 	fprintf(f, "\n");
 }