aboutsummaryrefslogtreecommitdiff
path: root/ui-diff.c
diff refs
from: back
to: back
| flip
diff options
context:
space:
mode:
Diffstat (limited to 'ui-diff.c')
-rw-r--r--ui-diff.c104
1 files changed, 85 insertions, 19 deletions
diff --git a/ui-diff.c b/ui-diff.c
index a10ce8a..ae4c9de 100644
--- a/ui-diff.c
+++ b/ui-diff.c
@@ -1,11 +1,17 @@
/* ui-diff.c: show diff between two blobs
*
* Copyright (C) 2006-2014 cgit Development Team <cgit@lists.zx2c4.com>
+ * Copyright (C) 2026 Saya Andy <saya.andy@posteo.com>
+ *
+ * Modified 2026 by Saya Andy:
+ * Select variable refs from web ui for diff
*
* Licensed under GNU General Public License v2
* (see COPYING for full license text)
*/
+#define USE_THE_REPOSITORY_VARIABLE
+
#include "cgit.h"
#include "ui-diff.h"
#include "html.h"
@@ -82,7 +88,7 @@ static void print_fileinfo(struct fileinfo *info)
}
html("<tr>");
- htmlf("<td class='mode'>");
+ html("<td class='mode'>");
if (is_null_oid(info->new_oid)) {
cgit_print_filemode(info->old_mode);
} else {
@@ -97,8 +103,8 @@ static void print_fileinfo(struct fileinfo *info)
html("]</span>");
}
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);
+ cgit_diff_link(info->new_path, NULL, NULL, ctx.qry.head, ctx.qry.oid,
+ ctx.qry.oid2, info->new_path);
if (info->status == DIFF_STATUS_COPIED || info->status == DIFF_STATUS_RENAMED) {
htmlf(" (%s from ",
info->status == DIFF_STATUS_COPIED ? "copied" : "renamed");
@@ -194,8 +200,8 @@ static void cgit_print_diffstat(const struct object_id *old_oid,
int i;
html("<div class='diffstat-header'>");
- cgit_diff_link("Diffstat", NULL, NULL, ctx.qry.head, ctx.qry.sha1,
- ctx.qry.sha2, NULL);
+ cgit_diff_link("Diffstat", NULL, NULL, ctx.qry.head, ctx.qry.oid,
+ ctx.qry.oid2, NULL);
if (prefix) {
html(" (limited to '");
html_txt(prefix);
@@ -258,8 +264,8 @@ static void header(const struct object_id *oid1, char *path1, int mode1,
htmlf("<br/>deleted file mode %.6o", mode1);
if (!subproject) {
- abbrev1 = xstrdup(find_unique_abbrev(oid1->hash, DEFAULT_ABBREV));
- abbrev2 = xstrdup(find_unique_abbrev(oid2->hash, DEFAULT_ABBREV));
+ abbrev1 = xstrdup(repo_find_unique_abbrev(the_repository, oid1, DEFAULT_ABBREV));
+ abbrev2 = xstrdup(repo_find_unique_abbrev(the_repository, oid2, DEFAULT_ABBREV));
htmlf("<br/>index %s..%s", abbrev1, abbrev2);
free(abbrev1);
free(abbrev2);
@@ -334,6 +340,32 @@ static void filepair_cb(struct diff_filepair *pair)
cgit_ssdiff_footer();
}
+static int print_ref_option(const struct reference *ref, void *cb_data)
+{
+ const char **sel = (const char **)cb_data;
+
+ html_option(ref->name, ref->name, sel[0]);
+ return 0;
+}
+
+static void cgit_print_ref_select(const char *name, const char *selected)
+{
+ /*
+ * Offer every branch and tag so that any two refs can be compared.
+ */
+ html("<select name='");
+ html_attr(name);
+ html("' onchange='this.form.submit();'>");
+ refs_for_each_branch_ref(get_main_ref_store(the_repository),
+ print_ref_option, (void *)&selected);
+ if (ctx.repo->enable_remote_branches)
+ refs_for_each_remote_ref(get_main_ref_store(the_repository),
+ print_ref_option, (void *)&selected);
+ refs_for_each_tag_ref(get_main_ref_store(the_repository),
+ print_ref_option, (void *)&selected);
+ html("</select>");
+}
+
void cgit_print_diff_ctrls(void)
{
int i, curr;
@@ -341,9 +373,43 @@ void cgit_print_diff_ctrls(void)
html("<div class='cgit-panel'>");
html("<b>diff options</b>");
html("<form method='get'>");
- cgit_add_hidden_formfields(1, 0, ctx.qry.page);
+ /*
+ * Emit the same hidden fields as cgit_add_hidden_formfields(), except
+ * id/id2, which are carried by the ref-picker selects below.
+ */
+ if (!ctx.cfg.virtual_root) {
+ struct strbuf url = STRBUF_INIT;
+ strbuf_addf(&url, "%s/%s", ctx.qry.repo, ctx.qry.page);
+ if (ctx.qry.vpath)
+ strbuf_addf(&url, "/%s", ctx.qry.vpath);
+ html_hidden("url", url.buf);
+ strbuf_release(&url);
+ }
+ if (ctx.qry.head && ctx.repo->defbranch &&
+ strcmp(ctx.qry.head, ctx.repo->defbranch))
+ html_hidden("h", ctx.qry.head);
+ if (ctx.qry.showmsg)
+ html_hidden("showmsg", "1");
+
html("<table>");
html("<tr><td colspan='2'/></tr>");
+
+ /* ref pickers: compare any two refs (branches/tags) */
+ {
+ const char *new_ref = ctx.qry.oid ? ctx.qry.oid : ctx.qry.head;
+ const char *old_ref = ctx.qry.oid2;
+
+ html("<tr>");
+ html("<td class='label'>from:</td>");
+ html("<td class='ctrl'>");
+ cgit_print_ref_select("id2", old_ref);
+ html("</td></tr><tr>");
+ html("<td class='label'>to:</td>");
+ html("<td class='ctrl'>");
+ cgit_print_ref_select("id", new_ref);
+ html("</td></tr>");
+ }
+
html("<tr>");
html("<td class='label'>context:</td>");
html("<td class='ctrl'>");
@@ -393,7 +459,7 @@ void cgit_print_diff(const char *new_rev, const char *old_rev,
* entire commit to detect renames so we must limit the paths in our
* own callbacks and not pass the prefix to the diff machinery.
*/
- if (ctx.qry.follow && ctx.cfg.enable_follow_links) {
+ if (ctx.qry.follow && ctx.repo->enable_follow_links) {
current_prefix = prefix;
prefix = "";
} else {
@@ -402,21 +468,21 @@ void cgit_print_diff(const char *new_rev, const char *old_rev,
if (!new_rev)
new_rev = ctx.qry.head;
- if (get_oid(new_rev, new_rev_oid)) {
+ if (repo_get_oid(the_repository, new_rev, new_rev_oid)) {
cgit_print_error_page(404, "Not found",
"Bad object name: %s", new_rev);
return;
}
- commit = lookup_commit_reference(new_rev_oid);
- if (!commit || parse_commit(commit)) {
+ commit = lookup_commit_reference(the_repository, new_rev_oid);
+ if (!commit || repo_parse_commit(the_repository, commit)) {
cgit_print_error_page(404, "Not found",
"Bad commit: %s", oid_to_hex(new_rev_oid));
return;
}
- new_tree_oid = &commit->tree->object.oid;
+ new_tree_oid = get_commit_tree_oid(commit);
if (old_rev) {
- if (get_oid(old_rev, old_rev_oid)) {
+ if (repo_get_oid(the_repository, old_rev, old_rev_oid)) {
cgit_print_error_page(404, "Not found",
"Bad object name: %s", old_rev);
return;
@@ -424,17 +490,17 @@ void cgit_print_diff(const char *new_rev, const char *old_rev,
} else if (commit->parents && commit->parents->item) {
oidcpy(old_rev_oid, &commit->parents->item->object.oid);
} else {
- oidclr(old_rev_oid);
+ oidclr(old_rev_oid, the_repository->hash_algo);
}
if (!is_null_oid(old_rev_oid)) {
- commit2 = lookup_commit_reference(old_rev_oid);
- if (!commit2 || parse_commit(commit2)) {
+ commit2 = lookup_commit_reference(the_repository, old_rev_oid);
+ if (!commit2 || repo_parse_commit(the_repository, commit2)) {
cgit_print_error_page(404, "Not found",
"Bad commit: %s", oid_to_hex(old_rev_oid));
return;
}
- old_tree_oid = &commit2->tree->object.oid;
+ old_tree_oid = get_commit_tree_oid(commit2);
} else {
old_tree_oid = NULL;
}
@@ -442,7 +508,7 @@ void cgit_print_diff(const char *new_rev, const char *old_rev,
if (raw) {
struct diff_options diffopt;
- diff_setup(&diffopt);
+ repo_diff_setup(the_repository, &diffopt);
diffopt.output_format = DIFF_FORMAT_PATCH;
diffopt.flags.recursive = 1;
diff_setup_done(&diffopt);