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-rw-r--r--cgit.c16
-rw-r--r--cgit.h2
-rw-r--r--cmd.c9
-rw-r--r--html.c6
-rw-r--r--ui-commit.c146
-rw-r--r--ui-diff.c151
-rw-r--r--ui-diff.h3
-rw-r--r--ui-repolist.c15
-rw-r--r--ui-repolist.h1
-rw-r--r--ui-shared.c58
-rw-r--r--ui-summary.c14
-rw-r--r--ui-summary.h1
12 files changed, 257 insertions, 165 deletions
diff --git a/cgit.c b/cgit.c
index 4dc8eec..ccd61f4 100644
--- a/cgit.c
+++ b/cgit.c
@@ -19,6 +19,10 @@ void config_cb(const char *name, const char *value)
 {
 	if (!strcmp(name, "root-title"))
 		ctx.cfg.root_title = xstrdup(value);
+	else if (!strcmp(name, "root-desc"))
+		ctx.cfg.root_desc = xstrdup(value);
+	else if (!strcmp(name, "root-readme"))
+		ctx.cfg.root_readme = xstrdup(value);
 	else if (!strcmp(name, "css"))
 		ctx.cfg.css = xstrdup(value);
 	else if (!strcmp(name, "logo"))
@@ -163,6 +167,7 @@ static void prepare_context(struct cgit_context *ctx)
 	ctx->cfg.renamelimit = -1;
 	ctx->cfg.robots = "index, nofollow";
 	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->page.mimetype = "text/html";
 	ctx->page.charset = PAGE_ENCODING;
@@ -270,7 +275,16 @@ static void process_request(void *cbdata)
 		return;
 	}
 
-	if (cmd->want_repo && prepare_repo_cmd(ctx))
+	if (cmd->want_repo && !ctx->repo) {
+		cgit_print_http_headers(ctx);
+		cgit_print_docstart(ctx);
+		cgit_print_pageheader(ctx);
+		cgit_print_error(fmt("No repository selected"));
+		cgit_print_docend();
+		return;
+	}
+
+	if (ctx->repo && prepare_repo_cmd(ctx))
 		return;
 
 	if (cmd->want_layout) {
diff --git a/cgit.h b/cgit.h
index f04d227..bbb404e 100644
--- a/cgit.h
+++ b/cgit.h
@@ -132,6 +132,8 @@ struct cgit_config {
 	char *repo_group;
 	char *robots;
 	char *root_title;
+	char *root_desc;
+	char *root_readme;
 	char *script_name;
 	char *virtual_root;
 	int cache_size;
diff --git a/cmd.c b/cmd.c
index 07f4707..4edca6b 100644
--- a/cmd.c
+++ b/cmd.c
@@ -22,6 +22,14 @@
 #include "ui-tag.h"
 #include "ui-tree.h"
 
+static void about_fn(struct cgit_context *ctx)
+{
+	if (ctx->repo)
+		cgit_print_repo_readme();
+	else
+		cgit_print_site_readme();
+}
+
 static void blob_fn(struct cgit_context *ctx)
 {
 	cgit_print_blob(ctx->qry.sha1, ctx->qry.path);
@@ -94,6 +102,7 @@ static void tree_fn(struct cgit_context *ctx)
 struct cgit_cmd *cgit_get_cmd(struct cgit_context *ctx)
 {
 	static struct cgit_cmd cmds[] = {
+		def_cmd(about, 0, 1),
 		def_cmd(blob, 1, 0),
 		def_cmd(commit, 1, 1),
 		def_cmd(diff, 1, 1),
diff --git a/html.c b/html.c
index 937b5e7..bddb04d 100644
--- a/html.c
+++ b/html.c
@@ -11,6 +11,7 @@
 #include <stdlib.h>
 #include <stdarg.h>
 #include <string.h>
+#include <errno.h>
 
 int htmlfd = STDOUT_FILENO;
 
@@ -168,8 +169,11 @@ int html_include(const char *filename)
 	char buf[4096];
 	size_t len;
 
-	if (!(f = fopen(filename, "r")))
+	if (!(f = fopen(filename, "r"))) {
+		fprintf(stderr, "[cgit] Failed to include file %s: %s (%d).\n",
+			filename, strerror(errno), errno);
 		return -1;
+	}
 	while((len = fread(buf, 1, 4096, f)) > 0)
 		write(htmlfd, buf, len);
 	fclose(f);
diff --git a/ui-commit.c b/ui-commit.c
index 12a96fb..1aa5d34 100644
--- a/ui-commit.c
+++ b/ui-commit.c
@@ -11,131 +11,6 @@
 #include "ui-shared.h"
 #include "ui-diff.h"
 
-static int files, slots;
-static int total_adds, total_rems, max_changes;
-static int lines_added, lines_removed;
-static char *curr_rev;
-
-static struct fileinfo {
-	char status;
-	unsigned char old_sha1[20];
-	unsigned char new_sha1[20];
-	unsigned short old_mode;
-	unsigned short new_mode;
-	char *old_path;
-	char *new_path;
-	unsigned int added;
-	unsigned int removed;
-} *items;
-
-
-void print_fileinfo(struct fileinfo *info)
-{
-	char *class;
-
-	switch (info->status) {
-	case DIFF_STATUS_ADDED:
-		class = "add";
-		break;
-	case DIFF_STATUS_COPIED:
-		class = "cpy";
-		break;
-	case DIFF_STATUS_DELETED:
-		class = "del";
-		break;
-	case DIFF_STATUS_MODIFIED:
-		class = "upd";
-		break;
-	case DIFF_STATUS_RENAMED:
-		class = "mov";
-		break;
-	case DIFF_STATUS_TYPE_CHANGED:
-		class = "typ";
-		break;
-	case DIFF_STATUS_UNKNOWN:
-		class = "unk";
-		break;
-	case DIFF_STATUS_UNMERGED:
-		class = "stg";
-		break;
-	default:
-		die("bug: unhandled diff status %c", info->status);
-	}
-
-	html("<tr>");
-	htmlf("<td class='mode'>");
-	if (is_null_sha1(info->new_sha1)) {
-		cgit_print_filemode(info->old_mode);
-	} else {
-		cgit_print_filemode(info->new_mode);
-	}
-
-	if (info->old_mode != info->new_mode &&
-	    !is_null_sha1(info->old_sha1) &&
-	    !is_null_sha1(info->new_sha1)) {
-		html("<span class='modechange'>[");
-		cgit_print_filemode(info->old_mode);
-		html("]</span>");
-	}
-	htmlf("</td><td class='%s'>", class);
-	cgit_diff_link(info->new_path, NULL, NULL, ctx.qry.head, curr_rev,
-		       NULL, info->new_path);
-	if (info->status == DIFF_STATUS_COPIED || info->status == DIFF_STATUS_RENAMED)
-		htmlf(" (%s from %s)",
-		      info->status == DIFF_STATUS_COPIED ? "copied" : "renamed",
-		      info->old_path);
-	html("</td><td class='right'>");
-	htmlf("%d", info->added + info->removed);
-	html("</td><td class='graph'>");
-	htmlf("<table summary='file diffstat' width='%d%%'><tr>", (max_changes > 100 ? 100 : max_changes));
-	htmlf("<td class='add' style='width: %.1f%%;'/>",
-	      info->added * 100.0 / max_changes);
-	htmlf("<td class='rem' style='width: %.1f%%;'/>",
-	      info->removed * 100.0 / max_changes);
-	htmlf("<td class='none' style='width: %.1f%%;'/>",
-	      (max_changes - info->removed - info->added) * 100.0 / max_changes);
-	html("</tr></table></td></tr>\n");
-}
-
-void cgit_count_diff_lines(char *line, int len)
-{
-	if (line && (len > 0)) {
-		if (line[0] == '+')
-			lines_added++;
-		else if (line[0] == '-')
-			lines_removed++;
-	}
-}
-
-void inspect_filepair(struct diff_filepair *pair)
-{
-	files++;
-	lines_added = 0;
-	lines_removed = 0;
-	cgit_diff_files(pair->one->sha1, pair->two->sha1, cgit_count_diff_lines);
-	if (files >= slots) {
-		if (slots == 0)
-			slots = 4;
-		else
-			slots = slots * 2;
-		items = xrealloc(items, slots * sizeof(struct fileinfo));
-	}
-	items[files-1].status = pair->status;
-	hashcpy(items[files-1].old_sha1, pair->one->sha1);
-	hashcpy(items[files-1].new_sha1, pair->two->sha1);
-	items[files-1].old_mode = pair->one->mode;
-	items[files-1].new_mode = pair->two->mode;
-	items[files-1].old_path = xstrdup(pair->one->path);
-	items[files-1].new_path = xstrdup(pair->two->path);
-	items[files-1].added = lines_added;
-	items[files-1].removed = lines_removed;
-	if (lines_added + lines_removed > max_changes)
-		max_changes = lines_added + lines_removed;
-	total_adds += lines_added;
-	total_rems += lines_removed;
-}
-
-
 void cgit_print_commit(char *hex)
 {
 	struct commit *commit, *parent;
@@ -143,11 +18,9 @@ void cgit_print_commit(char *hex)
 	struct commit_list *p;
 	unsigned char sha1[20];
 	char *tmp;
-	int i;
 
 	if (!hex)
 		hex = ctx.qry.head;
-	curr_rev = hex;
 
 	if (get_sha1(hex, sha1)) {
 		cgit_print_error(fmt("Bad object id: %s", hex));
@@ -216,21 +89,10 @@ void cgit_print_commit(char *hex)
 	html("<div class='commit-msg'>");
 	html_txt(info->msg);
 	html("</div>");
-	if (!(commit->parents && commit->parents->next && commit->parents->next->next)) {
-		html("<div class='diffstat-header'>Diffstat</div>");
-		html("<table summary='diffstat' class='diffstat'>");
-		max_changes = 0;
-		cgit_diff_commit(commit, inspect_filepair);
-		for(i = 0; i<files; i++)
-			print_fileinfo(&items[i]);
-		html("</table>");
-		html("<div class='diffstat-summary'>");
-		htmlf("%d files changed, %d insertions, %d deletions",
-		      files, total_adds, total_rems);
-		html("</div>");
-		cgit_print_diff(ctx.qry.sha1,
-				sha1_to_hex(commit->parents->item->object.sha1),
-				NULL);
+	if (!(commit->parents && commit->parents->next &&
+	      commit->parents->next->next)) {
+		tmp = sha1_to_hex(commit->parents->item->object.sha1);
+		cgit_print_diff(ctx.qry.sha1, tmp, NULL);
 	}
 	cgit_free_commitinfo(info);
 }
diff --git a/ui-diff.c b/ui-diff.c
index 2a22009..12e78b1 100644
--- a/ui-diff.c
+++ b/ui-diff.c
@@ -13,6 +13,149 @@
 unsigned char old_rev_sha1[20];
 unsigned char new_rev_sha1[20];
 
+static int files, slots;
+static int total_adds, total_rems, max_changes;
+static int lines_added, lines_removed;
+static char *curr_rev;
+
+static struct fileinfo {
+	char status;
+	unsigned char old_sha1[20];
+	unsigned char new_sha1[20];
+	unsigned short old_mode;
+	unsigned short new_mode;
+	char *old_path;
+	char *new_path;
+	unsigned int added;
+	unsigned int removed;
+} *items;
+
+
+static void print_fileinfo(struct fileinfo *info)
+{
+	char *class;
+
+	switch (info->status) {
+	case DIFF_STATUS_ADDED:
+		class = "add";
+		break;
+	case DIFF_STATUS_COPIED:
+		class = "cpy";
+		break;
+	case DIFF_STATUS_DELETED:
+		class = "del";
+		break;
+	case DIFF_STATUS_MODIFIED:
+		class = "upd";
+		break;
+	case DIFF_STATUS_RENAMED:
+		class = "mov";
+		break;
+	case DIFF_STATUS_TYPE_CHANGED:
+		class = "typ";
+		break;
+	case DIFF_STATUS_UNKNOWN:
+		class = "unk";
+		break;
+	case DIFF_STATUS_UNMERGED:
+		class = "stg";
+		break;
+	default:
+		die("bug: unhandled diff status %c", info->status);
+	}
+
+	html("<tr>");
+	htmlf("<td class='mode'>");
+	if (is_null_sha1(info->new_sha1)) {
+		cgit_print_filemode(info->old_mode);
+	} else {
+		cgit_print_filemode(info->new_mode);
+	}
+
+	if (info->old_mode != info->new_mode &&
+	    !is_null_sha1(info->old_sha1) &&
+	    !is_null_sha1(info->new_sha1)) {
+		html("<span class='modechange'>[");
+		cgit_print_filemode(info->old_mode);
+		html("]</span>");
+	}
+	htmlf("</td><td class='%s'>", class);
+	cgit_diff_link(info->new_path, NULL, NULL, ctx.qry.head, curr_rev,
+		       NULL, info->new_path);
+	if (info->status == DIFF_STATUS_COPIED || info->status == DIFF_STATUS_RENAMED)
+		htmlf(" (%s from %s)",
+		      info->status == DIFF_STATUS_COPIED ? "copied" : "renamed",
+		      info->old_path);
+	html("</td><td class='right'>");
+	htmlf("%d", info->added + info->removed);
+	html("</td><td class='graph'>");
+	htmlf("<table summary='file diffstat' width='%d%%'><tr>", (max_changes > 100 ? 100 : max_changes));
+	htmlf("<td class='add' style='width: %.1f%%;'/>",
+	      info->added * 100.0 / max_changes);
+	htmlf("<td class='rem' style='width: %.1f%%;'/>",
+	      info->removed * 100.0 / max_changes);
+	htmlf("<td class='none' style='width: %.1f%%;'/>",
+	      (max_changes - info->removed - info->added) * 100.0 / max_changes);
+	html("</tr></table></td></tr>\n");
+}
+
+static void count_diff_lines(char *line, int len)
+{
+	if (line && (len > 0)) {
+		if (line[0] == '+')
+			lines_added++;
+		else if (line[0] == '-')
+			lines_removed++;
+	}
+}
+
+static void inspect_filepair(struct diff_filepair *pair)
+{
+	files++;
+	lines_added = 0;
+	lines_removed = 0;
+	cgit_diff_files(pair->one->sha1, pair->two->sha1, count_diff_lines);
+	if (files >= slots) {
+		if (slots == 0)
+			slots = 4;
+		else
+			slots = slots * 2;
+		items = xrealloc(items, slots * sizeof(struct fileinfo));
+	}
+	items[files-1].status = pair->status;
+	hashcpy(items[files-1].old_sha1, pair->one->sha1);
+	hashcpy(items[files-1].new_sha1, pair->two->sha1);
+	items[files-1].old_mode = pair->one->mode;
+	items[files-1].new_mode = pair->two->mode;
+	items[files-1].old_path = xstrdup(pair->one->path);
+	items[files-1].new_path = xstrdup(pair->two->path);
+	items[files-1].added = lines_added;
+	items[files-1].removed = lines_removed;
+	if (lines_added + lines_removed > max_changes)
+		max_changes = lines_added + lines_removed;
+	total_adds += lines_added;
+	total_rems += lines_removed;
+}
+
+void cgit_print_diffstat(const unsigned char *old_sha1,
+			 const unsigned char *new_sha1)
+{
+	int i;
+
+	html("<div class='diffstat-header'>Diffstat</div>");
+	html("<table summary='diffstat' class='diffstat'>");
+	max_changes = 0;
+	cgit_diff_tree(old_sha1, new_sha1, inspect_filepair, NULL);
+	for(i = 0; i<files; i++)
+		print_fileinfo(&items[i]);
+	html("</table>");
+	html("<div class='diffstat-summary'>");
+	htmlf("%d files changed, %d insertions, %d deletions",
+	      files, total_adds, total_rems);
+	html("</div>");
+}
+
+
 /*
  * print a single line returned from xdiff
  */
@@ -115,12 +258,6 @@ void cgit_print_diff(const char *new_rev, const char *old_rev, const char *prefi
 		cgit_print_error(fmt("Bad object name: %s", new_rev));
 		return;
 	}
-	if (type != OBJ_COMMIT) {
-		cgit_print_error(fmt("Unhandled object type: %s",
-				     typename(type)));
-		return;
-	}
-
 	commit = lookup_commit_reference(new_rev_sha1);
 	if (!commit || parse_commit(commit))
 		cgit_print_error(fmt("Bad commit: %s", sha1_to_hex(new_rev_sha1)));
@@ -142,6 +279,8 @@ void cgit_print_diff(const char *new_rev, const char *old_rev, const char *prefi
 		if (!commit2 || parse_commit(commit2))
 			cgit_print_error(fmt("Bad commit: %s", sha1_to_hex(old_rev_sha1)));
 	}
+	cgit_print_diffstat(old_rev_sha1, new_rev_sha1);
+
 	html("<table summary='diff' class='diff'>");
 	html("<tr><td>");
 	cgit_diff_tree(old_rev_sha1, new_rev_sha1, filepair_cb, prefix);
diff --git a/ui-diff.h b/ui-diff.h
index 2307322..70b2926 100644
--- a/ui-diff.h
+++ b/ui-diff.h
@@ -1,6 +1,9 @@
 #ifndef UI_DIFF_H
 #define UI_DIFF_H
 
+extern void cgit_print_diffstat(const unsigned char *old_sha1,
+				const unsigned char *new_sha1);
+
 extern void cgit_print_diff(const char *new_hex, const char *old_hex,
 			    const char *prefix);
 
diff --git a/ui-repolist.c b/ui-repolist.c
index 98009c0..3f78e28 100644
--- a/ui-repolist.c
+++ b/ui-repolist.c
@@ -61,12 +61,6 @@ int is_match(struct cgit_repo *repo)
 
 void print_header(int columns)
 {
-	if (ctx.cfg.index_header) {
-		htmlf("<tr class='nohover'><td colspan='%d' class='include-block'>",
-		      columns);
-		html_include(ctx.cfg.index_header);
-		html("</td></tr>");
-	}
 	html("<tr class='nohover'>"
 	     "<th class='left'>Name</th>"
 	     "<th class='left'>Description</th>"
@@ -90,6 +84,9 @@ void cgit_print_repolist()
 	cgit_print_docstart(&ctx);
 	cgit_print_pageheader(&ctx);
 
+	if (ctx.cfg.index_header)
+		html_include(ctx.cfg.index_header);
+
 	html("<table summary='repository list' class='list nowrap'>");
 	for (i=0; i<cgit_repolist.count; i++) {
 		ctx.repo = &cgit_repolist.repos[i];
@@ -139,3 +136,9 @@ void cgit_print_repolist()
 		cgit_print_error("No repositories found");
 	cgit_print_docend();
 }
+
+void cgit_print_site_readme()
+{
+	if (ctx.cfg.root_readme)
+		html_include(ctx.cfg.root_readme);
+}
diff --git a/ui-repolist.h b/ui-repolist.h
index c23e5d2..5b1e542 100644
--- a/ui-repolist.h
+++ b/ui-repolist.h
@@ -2,5 +2,6 @@
 #define UI_REPOLIST_H
 
 extern void cgit_print_repolist();
+extern void cgit_print_site_readme();
 
 #endif /* UI_REPOLIST_H */
diff --git a/ui-shared.c b/ui-shared.c
index 8a804c2..d08ede9 100644
--- a/ui-shared.c
+++ b/ui-shared.c
@@ -114,6 +114,49 @@ char *cgit_currurl()
 		return fmt("%s/", ctx.cfg.virtual_root);
 }
 
+static void site_url(char *page, char *search)
+{
+	char *delim = "?";
+
+	if (ctx.cfg.virtual_root) {
+		html_attr(ctx.cfg.virtual_root);
+		if (ctx.cfg.virtual_root[strlen(ctx.cfg.virtual_root) - 1] != '/')
+			html("/");
+	} else
+		html(ctx.cfg.script_name);
+
+	if (page) {
+		htmlf("?p=%s", page);
+		delim = "&";
+	}
+	if (search) {
+		html(delim);
+		html("q=");
+		html_attr(search);
+	}
+}
+
+static void site_link(char *page, char *name, char *title, char *class,
+		       char *search)
+{
+	html("<a");
+	if (title) {
+		html(" title='");
+		html_attr(title);
+		html("'");
+	}
+	if (class) {
+		html(" class='");
+		html_attr(class);
+		html("'");
+	}
+	html(" href='");
+	site_url(page, search);
+	html("'>");
+	html_txt(name);
+	html("</a>");
+}
+
 static char *repolink(char *title, char *class, char *page, char *head,
 		      char *path)
 {
@@ -510,7 +553,10 @@ void cgit_print_pageheader(struct cgit_context *ctx)
 		html_txt(ctx->repo->desc);
 	} else {
 		html(">");
-		html_txt("a fast webinterface for the git dscm");
+		if (ctx->cfg.root_desc)
+			html_txt(ctx->cfg.root_desc);
+		else if (ctx->cfg.index_info)
+			html_include(ctx->cfg.index_info);
 	}
 	html("</td></tr></table>\n");
 
@@ -528,6 +574,10 @@ void cgit_print_pageheader(struct cgit_context *ctx)
 				 ctx->qry.head, ctx->qry.sha1);
 		cgit_diff_link("diff", NULL, hc(cmd, "diff"), ctx->qry.head,
 			       ctx->qry.sha1, ctx->qry.sha2, NULL);
+		if (ctx->repo->readme)
+			reporevlink("about", "about", NULL,
+				    hc(cmd, "about"), ctx->qry.head, NULL,
+				    NULL);
 		html("</td><td class='form'>");
 		html("<form class='right' method='get' action='");
 		if (ctx->cfg.virtual_root)
@@ -546,9 +596,9 @@ void cgit_print_pageheader(struct cgit_context *ctx)
 		html("<input type='submit' value='search'/>\n");
 		html("</form>\n");
 	} else {
-		html("<a class='active' href='");
-		html_attr(cgit_rooturl());
-		html("'>index</a>\n");
+		site_link(NULL, "index", NULL, hc(cmd, "repolist"), NULL);
+		if (ctx->cfg.root_readme)
+			site_link("about", "about", NULL, hc(cmd, "about"), NULL);
 		html("</td><td class='form'>");
 		html("<form method='get' action='");
 		html_attr(cgit_rooturl());
diff --git a/ui-summary.c b/ui-summary.c
index 318148a..ad0b4a7 100644
--- a/ui-summary.c
+++ b/ui-summary.c
@@ -13,11 +13,6 @@
 
 void cgit_print_summary()
 {
-	if (ctx.repo->readme) {
-		html("<div id='summary'>");
-		html_include(ctx.repo->readme);
-		html("</div>");
-	}
 	html("<table summary='repository info' class='list nowrap'>");
 	cgit_print_branches(ctx.cfg.summary_branches);
 	html("<tr class='nohover'><td colspan='4'>&nbsp;</td></tr>");
@@ -29,3 +24,12 @@ void cgit_print_summary()
 	}
 	html("</table>");
 }
+
+void cgit_print_repo_readme()
+{
+	if (ctx.repo->readme) {
+		html("<div id='summary'>");
+		html_include(ctx.repo->readme);
+		html("</div>");
+	}
+}
diff --git a/ui-summary.h b/ui-summary.h
index 37aedd2..3e13039 100644
--- a/ui-summary.h
+++ b/ui-summary.h
@@ -2,5 +2,6 @@
 #define UI_SUMMARY_H
 
 extern void cgit_print_summary();
+extern void cgit_print_repo_readme();
 
 #endif /* UI_SUMMARY_H */
generated by cgit-pink 1.3.0-6-gf8a5 (git 2.35.1) at 2024-07-03 16:17:55 +0000