X-Git-Url: https://git.cameronkatri.com/cgit.git/blobdiff_plain/aa25ff3c8b548077f2793c1162f3610af03e63df..2da46fe5aa7f18839238c37d9bcb63657f89be26:/ui-diff.c

diff --git a/ui-diff.c b/ui-diff.c
index c6bad63..7395c45 100644
--- a/ui-diff.c
+++ b/ui-diff.c
@@ -7,6 +7,7 @@
  */
 
 #include "cgit.h"
+#include "ui-diff.h"
 #include "html.h"
 #include "ui-shared.h"
 #include "ui-ssdiff.h"
@@ -166,8 +167,9 @@ static void inspect_filepair(struct diff_filepair *pair)
 	total_rems += lines_removed;
 }
 
-void cgit_print_diffstat(const unsigned char *old_sha1,
-			 const unsigned char *new_sha1, const char *prefix)
+static void cgit_print_diffstat(const unsigned char *old_sha1,
+				const unsigned char *new_sha1,
+				const char *prefix)
 {
 	int i;
 
@@ -184,7 +186,7 @@ void cgit_print_diffstat(const unsigned char *old_sha1,
 	max_changes = 0;
 	cgit_diff_tree(old_sha1, new_sha1, inspect_filepair, prefix,
 		       ctx.qry.ignorews);
-	for(i = 0; i<files; i++)
+	for (i = 0; i<files; i++)
 		print_fileinfo(&items[i]);
 	html("</table>");
 	html("<div class='diffstat-summary'>");
@@ -229,11 +231,6 @@ static void header(unsigned char *sha1, char *path1, int mode1,
 	html(" b/");
 	html_txt(path2);
 
-	if (is_null_sha1(sha1))
-		path1 = "dev/null";
-	if (is_null_sha1(sha2))
-		path2 = "dev/null";
-
 	if (mode1 == 0)
 		htmlf("<br/>new file mode %.6o", mode2);
 
@@ -251,13 +248,21 @@ static void header(unsigned char *sha1, char *path1, int mode1,
 			if (mode2 != mode1)
 				htmlf("..%.6o", mode2);
 		}
-		html("<br/>--- a/");
+		if (is_null_sha1(sha1)) {
+			path1 = "dev/null";
+			html("<br/>--- /");
+		} else
+			html("<br/>--- a/");
 		if (mode1 != 0)
 			cgit_tree_link(path1, NULL, NULL, ctx.qry.head,
 				       sha1_to_hex(old_rev_sha1), path1);
 		else
 			html_txt(path1);
-		html("<br/>+++ b/");
+		if (is_null_sha1(sha2)) {
+			path2 = "dev/null";
+			html("<br/>+++ /");
+		} else
+			html("<br/>+++ b/");
 		if (mode2 != 0)
 			cgit_tree_link(path2, NULL, NULL, ctx.qry.head,
 				       sha1_to_hex(new_rev_sha1), path2);
@@ -353,44 +358,66 @@ void cgit_print_diff_ctrls()
 }
 
 void cgit_print_diff(const char *new_rev, const char *old_rev,
-		     const char *prefix, int show_ctrls)
+		     const char *prefix, int show_ctrls, int raw)
 {
-	enum object_type type;
-	unsigned long size;
 	struct commit *commit, *commit2;
+	const unsigned char *old_tree_sha1, *new_tree_sha1;
 
 	if (!new_rev)
 		new_rev = ctx.qry.head;
-	get_sha1(new_rev, new_rev_sha1);
-	type = sha1_object_info(new_rev_sha1, &size);
-	if (type == OBJ_BAD) {
-		cgit_print_error(fmt("Bad object name: %s", new_rev));
+	if (get_sha1(new_rev, new_rev_sha1)) {
+		cgit_print_error("Bad object name: %s", new_rev);
 		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)));
+		cgit_print_error("Bad commit: %s", sha1_to_hex(new_rev_sha1));
 		return;
 	}
+	new_tree_sha1 = commit->tree->object.sha1;
 
-	if (old_rev)
-		get_sha1(old_rev, old_rev_sha1);
-	else if (commit->parents && commit->parents->item)
+	if (old_rev) {
+		if (get_sha1(old_rev, old_rev_sha1)) {
+			cgit_print_error("Bad object name: %s", old_rev);
+			return;
+		}
+	} else if (commit->parents && commit->parents->item) {
 		hashcpy(old_rev_sha1, commit->parents->item->object.sha1);
-	else
+	} else {
 		hashclr(old_rev_sha1);
+	}
 
 	if (!is_null_sha1(old_rev_sha1)) {
-		type = sha1_object_info(old_rev_sha1, &size);
-		if (type == OBJ_BAD) {
-			cgit_print_error(fmt("Bad object name: %s", sha1_to_hex(old_rev_sha1)));
-			return;
-		}
 		commit2 = lookup_commit_reference(old_rev_sha1);
 		if (!commit2 || parse_commit(commit2)) {
-			cgit_print_error(fmt("Bad commit: %s", sha1_to_hex(old_rev_sha1)));
+			cgit_print_error("Bad commit: %s", sha1_to_hex(old_rev_sha1));
 			return;
 		}
+		old_tree_sha1 = commit2->tree->object.sha1;
+	} else {
+		old_tree_sha1 = NULL;
+	}
+
+	if (raw) {
+		struct diff_options diffopt;
+
+		diff_setup(&diffopt);
+		diffopt.output_format = DIFF_FORMAT_PATCH;
+		DIFF_OPT_SET(&diffopt, RECURSIVE);
+		diff_setup_done(&diffopt);
+
+		ctx.page.mimetype = "text/plain";
+		cgit_print_http_headers(&ctx);
+		if (old_tree_sha1) {
+			diff_tree_sha1(old_tree_sha1, new_tree_sha1, "",
+				       &diffopt);
+		} else {
+			diff_root_tree_sha1(new_tree_sha1, "", &diffopt);
+		}
+		diffcore_std(&diffopt);
+		diff_flush(&diffopt);
+
+		return;
 	}
 
 	use_ssdiff = ctx.qry.has_ssdiff ? ctx.qry.ssdiff : ctx.cfg.ssdiff;