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authorJason A. Donenfeld <Jason@zx2c4.com>2010-08-04 00:45:42 +0200
committerLars Hjemli <hjemli@gmail.com>2010-08-20 18:57:30 +0200
commit379e80e3a83481d3639c5d312eeddcce57c486b2 (patch)
tree474ac38e3812008532d4ebd0b095ac835b5478b5
parentMerge branch 'jd/gitolite' (diff)
downloadcgit-pink-379e80e3a83481d3639c5d312eeddcce57c486b2.tar.gz
cgit-pink-379e80e3a83481d3639c5d312eeddcce57c486b2.zip
Support refspecs in about-filter.
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Signed-off-by: Lars Hjemli <hjemli@gmail.com>
Diffstat (limited to '')
-rw-r--r--cgit.c4
-rw-r--r--cgitrc.5.txt4
-rw-r--r--ui-blob.c35
-rw-r--r--ui-blob.h1
-rw-r--r--ui-summary.c26
5 files changed, 63 insertions, 7 deletions
diff --git a/cgit.c b/cgit.c
index eff5b7a..4f2c752 100644
--- a/cgit.c
+++ b/cgit.c
@@ -1,6 +1,7 @@
 /* cgit.c: cgi for the git scm
  *
  * Copyright (C) 2006 Lars Hjemli
+ * Copyright (C) 2010 Jason A. Donenfeld <Jason@zx2c4.com>
  *
  * Licensed under GNU General Public License v2
  *   (see COPYING for full license text)
@@ -71,7 +72,8 @@ void repo_config(struct cgit_repo *repo, const char *name, const char *value)
 	else if (!strcmp(name, "section"))
 		repo->section = xstrdup(value);
 	else if (!strcmp(name, "readme") && value != NULL) {
-		if (*value == '/')
+		char *colon;
+		if (*value == '/' || ((colon = strchr(value, ':')) != NULL && colon != value && *(colon + 1) != '\0'))
 			repo->readme = xstrdup(value);
 		else
 			repo->readme = xstrdup(fmt("%s/%s", repo->path, value));
diff --git a/cgitrc.5.txt b/cgitrc.5.txt
index 5d77973..c643fae 100644
--- a/cgitrc.5.txt
+++ b/cgitrc.5.txt
@@ -371,7 +371,9 @@ repo.path::
 
 repo.readme::
 	A path (relative to <repo.path>) which specifies a file to include
-	verbatim as the "About" page for this repo. Default value: none.
+	verbatim as the "About" page for this repo. You may also specify a
+	git refspec by head or by hash by prepending the refspec followed by
+	a colon. For example, "master:docs/readme.mkd" Default value: none.
 
 repo.snapshots::
 	A mask of allowed snapshot-formats for this repo, restricted by the
diff --git a/ui-blob.c b/ui-blob.c
index 89330ce..667a451 100644
--- a/ui-blob.c
+++ b/ui-blob.c
@@ -1,6 +1,7 @@
 /* ui-blob.c: show blob content
  *
  * Copyright (C) 2008 Lars Hjemli
+ * Copyright (C) 2010 Jason A. Donenfeld <Jason@zx2c4.com>
  *
  * Licensed under GNU General Public License v2
  *   (see COPYING for full license text)
@@ -12,6 +13,7 @@
 
 static char *match_path;
 static unsigned char *matched_sha1;
+static int found_path;
 
 static int walk_tree(const unsigned char *sha1, const char *base,int baselen,
 	const char *pathname, unsigned mode, int stage, void *cbdata) {
@@ -19,12 +21,43 @@ static int walk_tree(const unsigned char *sha1, const char *base,int baselen,
 		|| strcmp(match_path+baselen,pathname) )
 		return READ_TREE_RECURSIVE;
 	memmove(matched_sha1,sha1,20);
+	found_path = 1;
 	return 0;
 }
 
-void cgit_print_blob(const char *hex, char *path, const char *head)
+int cgit_print_file(char *path, const char *head)
 {
+	unsigned char sha1[20];
+	enum object_type type;
+	char *buf;
+	unsigned long size;
+	struct commit *commit;
+	const char *paths[] = {path, NULL};
+	if (get_sha1(head, sha1))
+		return -1;
+	type = sha1_object_info(sha1, &size);
+	if(type == OBJ_COMMIT && path) {
+		commit = lookup_commit_reference(sha1);
+		match_path = path;
+		matched_sha1 = sha1;
+		found_path = 0;
+		read_tree_recursive(commit->tree, "", 0, 0, paths, walk_tree, NULL);
+		if (!found_path)
+			return -1;
+		type = sha1_object_info(sha1, &size);
+	}
+	if (type == OBJ_BAD)
+		return -1;
+	buf = read_sha1_file(sha1, &type, &size);
+	if (!buf)
+		return -1;
+	buf[size] = '\0';
+	write(htmlfd, buf, size);
+	return 0;
+}
 
+void cgit_print_blob(const char *hex, char *path, const char *head)
+{
 	unsigned char sha1[20];
 	enum object_type type;
 	char *buf;
diff --git a/ui-blob.h b/ui-blob.h
index dad275a..d7e7d45 100644
--- a/ui-blob.h
+++ b/ui-blob.h
@@ -1,6 +1,7 @@
 #ifndef UI_BLOB_H
 #define UI_BLOB_H
 
+extern int cgit_print_file(char *path, const char *head);
 extern void cgit_print_blob(const char *hex, char *path, const char *head);
 
 #endif /* UI_BLOB_H */
diff --git a/ui-summary.c b/ui-summary.c
index a2c018e..02f191e 100644
--- a/ui-summary.c
+++ b/ui-summary.c
@@ -1,6 +1,7 @@
 /* ui-summary.c: functions for generating repo summary page
  *
  * Copyright (C) 2006 Lars Hjemli
+ * Copyright (C) 2010 Jason A. Donenfeld <Jason@zx2c4.com>
  *
  * Licensed under GNU General Public License v2
  *   (see COPYING for full license text)
@@ -10,6 +11,7 @@
 #include "html.h"
 #include "ui-log.h"
 #include "ui-refs.h"
+#include "ui-blob.h"
 
 int urls = 0;
 
@@ -68,24 +70,40 @@ void cgit_print_summary()
 
 void cgit_print_repo_readme(char *path)
 {
-	char *slash, *tmp;
+	char *slash, *tmp, *colon, *ref = 0;
 
 	if (!ctx.repo->readme)
 		return;
 
 	if (path) {
 		slash = strrchr(ctx.repo->readme, '/');
-		if (!slash)
-			return;
+		if (!slash) {
+			slash = strchr(ctx.repo->readme, ':');
+			if (!slash)
+				return;
+		}
 		tmp = xmalloc(slash - ctx.repo->readme + 1 + strlen(path) + 1);
 		strncpy(tmp, ctx.repo->readme, slash - ctx.repo->readme + 1);
 		strcpy(tmp + (slash - ctx.repo->readme + 1), path);
 	} else
 		tmp = ctx.repo->readme;
+	colon = strchr(tmp, ':');
+	if (colon && strlen(colon) > 1) {
+		*colon = '\0';
+		ref = tmp;
+		tmp = colon + 1;
+		while ((*tmp == '/' || *tmp == ':') && *tmp != '\0')
+			++tmp;
+		if (!(*tmp))
+			return;
+	}
 	html("<div id='summary'>");
 	if (ctx.repo->about_filter)
 		cgit_open_filter(ctx.repo->about_filter);
-	html_include(tmp);
+	if (ref)
+		cgit_print_file(tmp, ref);
+	else
+		html_include(tmp);
 	if (ctx.repo->about_filter)
 		cgit_close_filter(ctx.repo->about_filter);
 	html("</div>");