/* ui-diff.c: show diff between two blobs
*
- * Copyright (C) 2006 Lars Hjemli
+ * Copyright (C) 2006-2014 cgit Development Team <cgit@lists.zx2c4.com>
*
* Licensed under GNU General Public License v2
* (see COPYING for full license text)
*/
#include "cgit.h"
+#include "ui-diff.h"
#include "html.h"
#include "ui-shared.h"
#include "ui-ssdiff.h"
unsigned int removed;
unsigned long old_size;
unsigned long new_size;
- int binary:1;
+ unsigned int binary:1;
} *items;
static int use_ssdiff = 0;
+static struct diff_filepair *current_filepair;
+
+struct diff_filespec *cgit_get_current_old_file(void)
+{
+ return current_filepair->one;
+}
+
+struct diff_filespec *cgit_get_current_new_file(void)
+{
+ return current_filepair->two;
+}
static void print_fileinfo(struct fileinfo *info)
{
}
htmlf("</td><td class='%s'>", class);
cgit_diff_link(info->new_path, NULL, NULL, ctx.qry.head, ctx.qry.sha1,
- ctx.qry.sha2, info->new_path, 0);
- 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);
+ ctx.qry.sha2, info->new_path);
+ if (info->status == DIFF_STATUS_COPIED || info->status == DIFF_STATUS_RENAMED) {
+ htmlf(" (%s from ",
+ info->status == DIFF_STATUS_COPIED ? "copied" : "renamed");
+ html_txt(info->old_path);
+ html(")");
+ }
html("</td><td class='right'>");
if (info->binary) {
- htmlf("bin</td><td class='graph'>%d -> %d bytes",
+ htmlf("bin</td><td class='graph'>%ld -> %ld bytes",
info->old_size, info->new_size);
return;
}
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, save_context = ctx.qry.context;
+ int i;
html("<div class='diffstat-header'>");
cgit_diff_link("Diffstat", NULL, NULL, ctx.qry.head, ctx.qry.sha1,
- ctx.qry.sha2, NULL, 0);
- if (prefix)
- htmlf(" (limited to '%s')", prefix);
- html(" (");
- ctx.qry.context = (save_context > 0 ? save_context : 3) << 1;
- cgit_self_link("more", NULL, NULL, &ctx);
- html("/");
- ctx.qry.context = (save_context > 3 ? save_context : 3) >> 1;
- cgit_self_link("less", NULL, NULL, &ctx);
- ctx.qry.context = save_context;
- html(" context)");
- html(" (");
- ctx.qry.ignorews = (ctx.qry.ignorews + 1) % 2;
- cgit_self_link(ctx.qry.ignorews ? "ignore" : "show", NULL, NULL, &ctx);
- ctx.qry.ignorews = (ctx.qry.ignorews + 1) % 2;
- html(" whitespace changes)");
+ ctx.qry.sha2, NULL);
+ if (prefix) {
+ html(" (limited to '");
+ html_txt(prefix);
+ html("')");
+ }
html("</div>");
html("<table summary='diffstat' class='diffstat'>");
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'>");
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);
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);
html("</div>");
}
-static void print_ssdiff_link()
-{
- if (!strcmp(ctx.qry.page, "diff")) {
- if (use_ssdiff)
- cgit_diff_link("Unidiff", NULL, NULL, ctx.qry.head,
- ctx.qry.sha1, ctx.qry.sha2, ctx.qry.path, 1);
- else
- cgit_diff_link("Side-by-side diff", NULL, NULL,
- ctx.qry.head, ctx.qry.sha1,
- ctx.qry.sha2, ctx.qry.path, 1);
- }
-}
-
static void filepair_cb(struct diff_filepair *pair)
{
unsigned long old_size = 0;
int binary = 0;
linediff_fn print_line_fn = print_line;
+ current_filepair = pair;
if (use_ssdiff) {
cgit_ssdiff_header_begin();
print_line_fn = cgit_ssdiff_line_cb;
cgit_ssdiff_footer();
}
-void cgit_print_diff(const char *new_rev, const char *old_rev, const char *prefix)
+void cgit_print_diff_ctrls(void)
+{
+ int i, curr;
+
+ html("<div class='cgit-panel'>");
+ html("<b>diff options</b>");
+ html("<form method='get' action='.'>");
+ cgit_add_hidden_formfields(1, 0, ctx.qry.page);
+ html("<table>");
+ html("<tr><td colspan='2'/></tr>");
+ html("<tr>");
+ html("<td class='label'>context:</td>");
+ html("<td class='ctrl'>");
+ html("<select name='context' onchange='this.form.submit();'>");
+ curr = ctx.qry.context;
+ if (!curr)
+ curr = 3;
+ for (i = 1; i <= 10; i++)
+ html_intoption(i, fmt("%d", i), curr);
+ for (i = 15; i <= 40; i += 5)
+ html_intoption(i, fmt("%d", i), curr);
+ html("</select>");
+ html("</td>");
+ html("</tr><tr>");
+ html("<td class='label'>space:</td>");
+ html("<td class='ctrl'>");
+ html("<select name='ignorews' onchange='this.form.submit();'>");
+ html_intoption(0, "include", ctx.qry.ignorews);
+ html_intoption(1, "ignore", ctx.qry.ignorews);
+ html("</select>");
+ html("</td>");
+ html("</tr><tr>");
+ html("<td class='label'>mode:</td>");
+ html("<td class='ctrl'>");
+ html("<select name='dt' onchange='this.form.submit();'>");
+ curr = ctx.qry.has_difftype ? ctx.qry.difftype : ctx.cfg.difftype;
+ html_intoption(0, "unified", curr);
+ html_intoption(1, "ssdiff", curr);
+ html_intoption(2, "stat only", curr);
+ html("</select></td></tr>");
+ html("<tr><td/><td class='ctrl'>");
+ html("<noscript><input type='submit' value='reload'/></noscript>");
+ html("</td></tr></table>");
+ html("</form>");
+ html("</div>");
+}
+
+void cgit_print_diff(const char *new_rev, const char *old_rev,
+ 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;
+ diff_type difftype;
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)));
+ if (!commit || parse_commit(commit)) {
+ 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)));
+ commit2 = lookup_commit_reference(old_rev_sha1);
+ if (!commit2 || parse_commit(commit2)) {
+ cgit_print_error("Bad commit: %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)));
+ old_tree_sha1 = commit2->tree->object.sha1;
+ } else {
+ old_tree_sha1 = NULL;
}
- if ((ctx.qry.ssdiff && !ctx.cfg.ssdiff) || (!ctx.qry.ssdiff && ctx.cfg.ssdiff))
- use_ssdiff = 1;
+ 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();
+ 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;
+ }
+
+ difftype = ctx.qry.has_difftype ? ctx.qry.difftype : ctx.cfg.difftype;
+ use_ssdiff = difftype == DIFF_SSDIFF;
+
+ if (show_ctrls)
+ cgit_print_diff_ctrls();
+
+ /*
+ * Clicking on a link to a file in the diff stat should show a diff
+ * of the file, showing the diff stat limited to a single file is
+ * pretty useless. All links from this point on will be to
+ * individual files, so we simply reset the difftype in the query
+ * here to avoid propagating DIFF_STATONLY to the individual files.
+ */
+ if (difftype == DIFF_STATONLY)
+ ctx.qry.difftype = ctx.cfg.difftype;
- print_ssdiff_link();
cgit_print_diffstat(old_rev_sha1, new_rev_sha1, prefix);
+ if (difftype == DIFF_STATONLY)
+ return;
+
if (use_ssdiff) {
html("<table summary='ssdiff' class='ssdiff'>");
} else {
git.ckatri.com / cgit.git / blobdiff