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-rw-r--r--README.md2
-rw-r--r--cgit.c8
-rw-r--r--cgit.css24
-rw-r--r--cgit.h2
-rwxr-xr-xtests/t0106-diff.sh129
-rw-r--r--ui-diff.c157
-rw-r--r--ui-shared.c19
7 files changed, 5 insertions, 336 deletions
diff --git a/README.md b/README.md
index 1e13a37..68db236 100644
--- a/README.md
+++ b/README.md
@@ -12,8 +12,6 @@ This is a custom expansion to cgit. Its most prominent changes by now are:
* Include optional solarized.css addon theme.
-* Allow user to pick variable refs for diff in web ui.
-
The original cgit project is hosted at [git.zx2c4.com](https://git.zx2c4.com/cgit/about/)
## cgit – CGI for Git
diff --git a/cgit.c b/cgit.c
index ff4b8d9..bb32dc7 100644
--- a/cgit.c
+++ b/cgit.c
@@ -393,14 +393,6 @@ static void querystring_cb(const char *name, const char *value)
ctx.qry.ignorews = atoi(value);
} else if (!strcmp(name, "follow")) {
ctx.qry.follow = atoi(value);
- } else if (!strcmp(name, "idoff")) {
- ctx.qry.idoff = atoi(value);
- if (ctx.qry.idoff < 0)
- ctx.qry.idoff = 0;
- } else if (!strcmp(name, "id2off")) {
- ctx.qry.id2off = atoi(value);
- if (ctx.qry.id2off < 0)
- ctx.qry.id2off = 0;
}
}
diff --git a/cgit.css b/cgit.css
index 911cc45..e52d424 100644
--- a/cgit.css
+++ b/cgit.css
@@ -478,14 +478,6 @@ div#cgit div.cgit-panel {
margin-top: 1.5em;
}
-div#cgit form.diff-ctrls div.cgit-panel {
- float: none;
-}
-
-div#cgit form.diff-ctrls {
- float: right;
-}
-
div#cgit div.cgit-panel table {
border-collapse: collapse;
border: solid 1px var(--border-mid);
@@ -674,22 +666,6 @@ div#cgit a.button {
padding: 0em 0.5em;
}
-div#cgit form.diff-ctrls div.cgit-panel a.button,
-div#cgit form.diff-ctrls div.cgit-panel input[type=submit] {
- border: solid 1px var(--border-mid);
- background-color: var(--bg-hl);
-}
-
-div#cgit form.diff-ctrls div.cgit-panel input[type=submit] {
- font-size: 80%;
- padding: 0em 0.5em;
-}
-
-div#cgit span.hint {
- color: var(--fg-mute);
- font-size: 80%;
-}
-
div#cgit a.primary {
font-size: 100%;
}
diff --git a/cgit.h b/cgit.h
index 6911d16..e2b8cbc 100644
--- a/cgit.h
+++ b/cgit.h
@@ -181,8 +181,6 @@ struct cgit_query {
char *head;
char *oid;
char *oid2;
- int idoff;
- int id2off;
char *path;
char *name;
char *url;
diff --git a/tests/t0106-diff.sh b/tests/t0106-diff.sh
index 0e45087..82b645e 100755
--- a/tests/t0106-diff.sh
+++ b/tests/t0106-diff.sh
@@ -16,133 +16,4 @@ test_expect_success 'find added line' '
grep "<div class=.add.>+5</div>" tmp
'
-test_expect_success 'ref picker: from: select present' '
- grep "<select name=.id2." tmp
-'
-
-test_expect_success 'ref picker: to: select present' '
- grep "<select name=.id." tmp
-'
-
-test_expect_success 'ref picker: from: label present' '
- grep "from:" tmp
-'
-
-test_expect_success 'ref picker: to: label present' '
- grep "to:" tmp
-'
-
-test_expect_success 'ref pickers live in a separate refs panel' '
- grep "<b>diff refs</b>" tmp &&
- grep "<b>diff options</b>" tmp
-'
-
-test_expect_success 'ref picker: master branch listed' '
- grep "master" tmp
-'
-
-test_expect_success 'ref picker: auto-submit on change' '
- grep "onchange=.this.form.submit()." tmp
-'
-
-test_expect_success 'flip link present' '
- grep "<a title=.swap from and to. class=.button. href=./foo/diff/?" tmp
-'
-
-test_expect_success 'flip link swaps the default refs' '
- grep "/foo/diff/?id2=master&amp;idoff=1" tmp
-'
-
-test_expect_success 'compare two refs: foo/diff?id=master&id2=HEAD' '
- cgit_query "url=foo/diff&id=master&id2=HEAD" >tmp
-'
-
-test_expect_success 'diff with explicit refs shows diffstat' '
- grep "diffstat" tmp
-'
-
-test_expect_success 'diff with oid2 parameter uses it for old ref' '
- cgit_query "url=foo/diff&id=master&id2=HEAD" >tmp &&
- grep "from:" tmp
-'
-
-test_expect_success 'ref picker: to: shows master when id=master' '
- cgit_query "url=foo/diff&id=master" >tmp &&
- grep "master" tmp
-'
-
-test_expect_success 'ref picker: from: empty when no id2' '
- cgit_query "url=foo/diff" >tmp &&
- grep "<select name=.id2." tmp
-'
-
-test_expect_success 'compare initial commit with HEAD' '
- root=$(git --git-dir="$PWD/repos/foo/.git" rev-list --max-parents=0 HEAD) &&
- cgit_query "url=foo/diff&id=HEAD&id2=$root" >tmp
-'
-
-test_expect_success 'diff with HEAD and root shows content' '
- grep "diffstat" tmp
-'
-
-test_expect_success 'flip link swaps explicit refs' '
- cgit_query "url=foo/diff&id=master&id2=HEAD" >tmp &&
- grep "/foo/diff/?id=HEAD&amp;id2=master" tmp
-'
-
-test_expect_success 'flip link omits id for a diff against a root commit' '
- root=$(git --git-dir="$PWD/repos/foo/.git" rev-list --max-parents=0 HEAD) &&
- cgit_query "url=foo/diff&id=$root" >tmp &&
- grep "href=./foo/diff/?id2=$root." tmp
-'
-
-test_expect_success 'offset input: to: present' '
- grep "name=.idoff." tmp
-'
-
-test_expect_success 'offset input: from: present' '
- grep "name=.id2off." tmp
-'
-
-test_expect_success 'apply button present' '
- grep "value=.apply." tmp
-'
-
-test_expect_success 'offset: idoff steps back the to ref' '
- cgit_query "url=foo/diff&id=master&idoff=1" >tmp &&
- grep "a/file-4 b/file-4" tmp
-'
-
-test_expect_success 'offset: id2off steps back the from ref' '
- cgit_query "url=foo/diff&id=master&id2=master&id2off=2" >tmp &&
- grep "a/file-5 b/file-5" tmp
-'
-
-test_expect_success 'offset: filled input and hidden field' '
- cgit_query "url=foo/diff&id=master&idoff=1" >tmp &&
- grep "title=.N commits back from the selected ref. value=.1.>" tmp &&
- grep "type=.hidden. name=.idoff. value=.1./>" tmp
-'
-
-test_expect_success 'offset: too large 404s with the stepped rev' '
- cgit_query "url=foo/diff&id=master&id2=master&id2off=9" >tmp &&
- grep "Bad object name: master~9" tmp
-'
-
-test_expect_success 'empty id2 does not 404' '
- cgit_query "url=foo/diff&id=master&id2=" >tmp &&
- grep "diffstat" tmp &&
- ! grep "Bad object name" tmp
-'
-
-test_expect_success 'file link carries the offsets' '
- cgit_query "url=foo/diff&id=master&id2=master&id2off=2" >tmp &&
- grep "/foo/diff/file-5?id2=master&amp;id2off=2" tmp
-'
-
-test_expect_success 'flip link carries the offsets' '
- cgit_query "url=foo/diff&id=master&id2=master&idoff=1&id2off=2" >tmp &&
- grep "/foo/diff/?id2=master&amp;idoff=2&amp;id2off=1" tmp
-'
-
test_done
diff --git a/ui-diff.c b/ui-diff.c
index c77ca2f..6cfa697 100644
--- a/ui-diff.c
+++ b/ui-diff.c
@@ -1,10 +1,6 @@
/* 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)
@@ -340,145 +336,16 @@ 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>");
-}
-
-/*
- * The number of commits to step back from the selected ref, so that any
- * ancestor of a branch or tag can be picked without typing a rev into
- * the url by hand.
- */
-static void cgit_print_ref_offset(const char *name, int value)
-{
- html(" <input type='text' size='2' name='");
- html_attr(name);
- html("' title='N commits back from the selected ref'");
- if (value)
- htmlf(" value='%d'", value);
- html("> <span class='hint'>back</span>");
-}
-
void cgit_print_diff_ctrls(void)
{
int i, curr;
- html("<form class='diff-ctrls' method='get'>");
- /*
- * Emit the same hidden fields as cgit_add_hidden_formfields(), except
- * id/id2, which are carried by the ref-picker selects below. One
- * form wraps both panels so any submission carries all controls.
- */
- 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("<div class='cgit-panel'>");
- html("<b>diff refs</b>");
- 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.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);
- cgit_print_ref_offset("id2off", ctx.qry.id2off);
- html("</td></tr><tr>");
- html("<td class='label'>to:</td>");
- html("<td class='ctrl'>");
- cgit_print_ref_select("id", new_ref);
- cgit_print_ref_offset("idoff", ctx.qry.idoff);
- html("</td></tr>");
-
- html("<tr><td/><td class='ctrl'>");
- html("<input type='submit' value='apply'>");
- html(" | ");
- {
- const char *flip_new_ref;
- int flip_idoff;
- int idoff = ctx.qry.idoff;
- int id2off = ctx.qry.id2off;
-
- if (old_ref && *old_ref) {
- /* explicit from ref */
- flip_new_ref = old_ref;
- flip_idoff = id2off;
- } else if (!is_null_oid(old_rev_oid)) {
- /*
- * The from rev is the parent of the (stepped)
- * to rev, i.e. new_ref~(idoff+1); keep the
- * ref name in the url instead of a materialized
- * parent sha.
- */
- flip_new_ref = new_ref;
- flip_idoff = idoff + 1;
- } else {
- /* root: no from rev to flip to */
- flip_new_ref = NULL;
- flip_idoff = 0;
- }
-
- /*
- * cgit_diff_link() emits the offsets from ctx.qry;
- * swap them around the call so they follow the refs.
- */
- ctx.qry.idoff = flip_idoff;
- ctx.qry.id2off = idoff;
- cgit_diff_link("flip", "swap from and to", "button",
- ctx.qry.head,
- flip_new_ref, new_ref,
- ctx.qry.path);
- ctx.qry.idoff = idoff;
- ctx.qry.id2off = id2off;
- }
- html("</td></tr>");
- }
- html("</table>");
- html("</div>");
-
html("<div class='cgit-panel'>");
html("<b>diff options</b>");
+ html("<form method='get'>");
+ 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'>");
@@ -512,8 +379,8 @@ void cgit_print_diff_ctrls(void)
html("<tr><td/><td class='ctrl'>");
html("<noscript><input type='submit' value='reload'/></noscript>");
html("</td></tr></table>");
- html("</div>");
html("</form>");
+ html("</div>");
}
void cgit_print_diff(const char *new_rev, const char *old_rev,
@@ -521,7 +388,6 @@ void cgit_print_diff(const char *new_rev, const char *old_rev,
{
struct commit *commit, *commit2;
const struct object_id *old_tree_oid, *new_tree_oid;
- struct strbuf new_refbuf = STRBUF_INIT, old_refbuf = STRBUF_INIT;
diff_type difftype;
/*
@@ -536,16 +402,8 @@ void cgit_print_diff(const char *new_rev, const char *old_rev,
current_prefix = NULL;
}
- /*
- * An empty rev is the same as no rev; a zero offset means the ref
- * itself.
- */
- if (!new_rev || !*new_rev)
+ if (!new_rev)
new_rev = ctx.qry.head;
- if (ctx.qry.idoff) {
- strbuf_addf(&new_refbuf, "%s~%d", new_rev, ctx.qry.idoff);
- new_rev = new_refbuf.buf;
- }
if (repo_get_oid(the_repository, new_rev, new_rev_oid)) {
cgit_print_error_page(404, "Not found",
"Bad object name: %s", new_rev);
@@ -559,12 +417,7 @@ void cgit_print_diff(const char *new_rev, const char *old_rev,
}
new_tree_oid = get_commit_tree_oid(commit);
- if (old_rev && *old_rev) {
- if (ctx.qry.id2off) {
- strbuf_addf(&old_refbuf, "%s~%d", old_rev,
- ctx.qry.id2off);
- old_rev = old_refbuf.buf;
- }
+ if (old_rev) {
if (repo_get_oid(the_repository, old_rev, old_rev_oid)) {
cgit_print_error_page(404, "Not found",
"Bad object name: %s", old_rev);
diff --git a/ui-shared.c b/ui-shared.c
index 9eb48a9..686fde0 100644
--- a/ui-shared.c
+++ b/ui-shared.c
@@ -494,21 +494,6 @@ void cgit_diff_link(const char *name, const char *title, const char *class,
html_url_arg(old_rev);
delim = "&amp;";
}
- /*
- * Emit the ref offsets after the refs so that they follow the
- * refs through file-level links; a zero offset means the ref
- * itself.
- */
- if (ctx.qry.idoff) {
- html(delim);
- htmlf("idoff=%d", ctx.qry.idoff);
- delim = "&amp;";
- }
- if (ctx.qry.id2off) {
- html(delim);
- htmlf("id2off=%d", ctx.qry.id2off);
- delim = "&amp;";
- }
if (ctx.qry.difftype) {
html(delim);
htmlf("dt=%d", ctx.qry.difftype);
@@ -1066,10 +1051,6 @@ void cgit_add_hidden_formfields(int incl_head, int incl_search,
html_hidden("id", ctx.qry.oid);
if (ctx.qry.oid2)
html_hidden("id2", ctx.qry.oid2);
- if (ctx.qry.idoff)
- html_hidden("idoff", fmt("%d", ctx.qry.idoff));
- if (ctx.qry.id2off)
- html_hidden("id2off", fmt("%d", ctx.qry.id2off));
if (ctx.qry.showmsg)
html_hidden("showmsg", "1");