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-rw-r--r--Makefile2
-rw-r--r--README.md10
-rw-r--r--cgit.css8
-rw-r--r--cgitrc.5.txt2
-rw-r--r--solarized.css140
-rwxr-xr-xtests/t0106-diff.sh61
-rw-r--r--ui-diff.c78
7 files changed, 296 insertions, 5 deletions
diff --git a/Makefile b/Makefile
index c75f67b..b87116a 100644
--- a/Makefile
+++ b/Makefile
@@ -87,6 +87,7 @@ install: all
$(INSTALL) -m 0755 cgit $(DESTDIR)$(CGIT_SCRIPT_PATH)/$(CGIT_SCRIPT_NAME)
$(INSTALL) -m 0755 -d $(DESTDIR)$(CGIT_DATA_PATH)
$(INSTALL) -m 0644 cgit.css $(DESTDIR)$(CGIT_DATA_PATH)/cgit.css
+ $(INSTALL) -m 0644 solarized.css $(DESTDIR)$(CGIT_DATA_PATH)/solarized.css
$(INSTALL) -m 0644 cgit.js $(DESTDIR)$(CGIT_DATA_PATH)/cgit.js
$(INSTALL) -m 0644 cgit.png $(DESTDIR)$(CGIT_DATA_PATH)/cgit.png
$(INSTALL) -m 0644 cgit.svg $(DESTDIR)$(CGIT_DATA_PATH)/cgit.svg
@@ -118,6 +119,7 @@ endef
uninstall:
rm -f $(DESTDIR)$(CGIT_SCRIPT_PATH)/$(CGIT_SCRIPT_NAME)
rm -f $(DESTDIR)$(CGIT_DATA_PATH)/cgit.css
+ rm -f $(DESTDIR)$(CGIT_DATA_PATH)/solarized.css
rm -f $(DESTDIR)$(CGIT_DATA_PATH)/cgit.js
rm -f $(DESTDIR)$(CGIT_DATA_PATH)/cgit.png
rm -f $(DESTDIR)$(CGIT_DATA_PATH)/cgit.svg
diff --git a/README.md b/README.md
index 2f7727e..1e13a37 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-## cgitext - CGI for Git extension by Saya Andy
+## cgitext – CGI for Git extension by Saya Andy
This is a custom expansion to cgit. Its most prominent changes by now are:
@@ -8,9 +8,15 @@ This is a custom expansion to cgit. Its most prominent changes by now are:
* Allow to use multiple favicons and of MIME type different from x-icon (f.ex. svg/png/webp).
+* Use vector-based format for favicon and cgit logo and make it default.
+
+* 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
+## cgit – CGI for Git
This is an attempt to create a fast web interface for the Git SCM, using a built-in cache to decrease server I/O pressure.
diff --git a/cgit.css b/cgit.css
index e52d424..7892eca 100644
--- a/cgit.css
+++ b/cgit.css
@@ -478,6 +478,14 @@ 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);
diff --git a/cgitrc.5.txt b/cgitrc.5.txt
index 6ddb977..527233d 100644
--- a/cgitrc.5.txt
+++ b/cgitrc.5.txt
@@ -921,8 +921,10 @@ cache-size=1000
# Specify some default clone urls using macro expansion
clone-url=git://foo.org/$CGIT_REPO_URL git@foo.org:$CGIT_REPO_URL
+
# Specify the css url
css=/css/cgit.css
+css=/css/solarized.css
# Add a "ci" tab pointing at a Jenkins multibranch pipeline
diff --git a/solarized.css b/solarized.css
new file mode 100644
index 0000000..2e6e3d4
--- /dev/null
+++ b/solarized.css
@@ -0,0 +1,140 @@
+/*
+ * Solarized theme (Ethan Schoonover) with automatic light/dark selection
+ * based on the prefers-color-scheme media query.
+ *
+ * Must be listed after cgit.css, e.g.
+ *
+ * css=/cgit.css
+ * css=/solarized.css
+ */
+
+:root {
+ --sol-base03: #002b36;
+ --sol-base02: #073642;
+ --sol-base01: #586e75;
+ --sol-base00: #657b83;
+ --sol-base0: #839496;
+ --sol-base1: #93a1a1;
+ --sol-base2: #eee8d5;
+ --sol-base3: #fdf6e3;
+
+ --sol-yellow: #b58900;
+ --sol-orange: #cb4b16;
+ --sol-red: #dc322f;
+ --sol-magenta: #d33682;
+ --sol-violet: #6c71c4;
+ --sol-blue: #268bd2;
+ --sol-cyan: #2aa198;
+ --sol-green: #859900;
+
+ --sol-canvas: var(--sol-base3);
+ --sol-panel: var(--sol-base2);
+ --sol-body: var(--sol-base00);
+ --sol-emph: var(--sol-base01);
+ --sol-muted: var(--sol-base0);
+ --sol-secondary: var(--sol-base1);
+ --sol-shade: var(--sol-base03);
+ --sol-page: var(--sol-panel);
+
+ --sol-tint-soft: 18%;
+ --sol-tint: 25%;
+ --sol-tint-strong: 45%;
+
+ color-scheme: light dark;
+}
+
+@media (prefers-color-scheme: dark) {
+ :root {
+ --sol-canvas: var(--sol-base03);
+ --sol-panel: var(--sol-base02);
+ --sol-body: var(--sol-base0);
+ --sol-emph: var(--sol-base1);
+ --sol-muted: var(--sol-base00);
+ --sol-secondary: var(--sol-base01);
+ --sol-shade: var(--sol-base3);
+
+ --sol-tint-soft: 30%;
+ --sol-tint: 35%;
+ --sol-tint-strong: 55%;
+ }
+}
+
+body:has(> div#cgit) {
+ margin: 0;
+ background-color: var(--sol-page);
+}
+
+div#cgit {
+ --bg: var(--sol-canvas);
+ --bg-zebra: color-mix(in srgb, var(--sol-panel) 40%, var(--sol-canvas));
+ --bg-hl: var(--sol-panel);
+ --bg-hl2: color-mix(in srgb, var(--sol-panel) 85%, var(--sol-shade));
+ --fg: var(--sol-body);
+ --fg-strong: var(--sol-emph);
+ --fg-mid: var(--sol-body);
+ --fg-mute: var(--sol-muted);
+ --fg-dim: var(--sol-secondary);
+ --fg-faint: color-mix(in srgb, var(--sol-secondary) 65%, var(--sol-canvas));
+ --fg-faintest: color-mix(in srgb, var(--sol-secondary) 45%, var(--sol-canvas));
+ --fg-on-tint: var(--sol-emph);
+ --fg-linenum: var(--sol-secondary);
+ --border: var(--sol-panel);
+ --border-mid: var(--sol-secondary);
+ --border-dark: var(--sol-muted);
+ --border-strong: var(--sol-emph);
+
+ --red: var(--sol-red);
+ --red-mid: color-mix(in srgb, var(--sol-red) 75%, var(--sol-shade));
+ --red-dark: color-mix(in srgb, var(--sol-red) 55%, var(--sol-shade));
+ --green: var(--sol-green);
+ --green-mid: color-mix(in srgb, var(--sol-green) 70%, var(--sol-shade));
+ --green-dark: color-mix(in srgb, var(--sol-green) 50%, var(--sol-shade));
+ --blue: var(--sol-blue);
+ --blue-dark: color-mix(in srgb, var(--sol-blue) 70%, var(--sol-shade));
+
+ --graph-col1: var(--sol-red);
+ --graph-col2: var(--sol-green);
+ --graph-col3: var(--sol-yellow);
+ --graph-col4: var(--sol-blue);
+ --graph-col5: var(--sol-magenta);
+ --graph-col6: var(--sol-cyan);
+
+ --graph-add-bg: var(--sol-green);
+ --graph-rem-bg: var(--sol-red);
+
+ --notes-bg: color-mix(in srgb, var(--sol-yellow) var(--sol-tint-soft), var(--sol-canvas));
+ --notes-border: var(--sol-yellow);
+ --add-bg: color-mix(in srgb, var(--sol-green) var(--sol-tint), var(--sol-canvas));
+ --add-bg-dark: color-mix(in srgb, var(--sol-green) var(--sol-tint-strong), var(--sol-canvas));
+ --del-bg: color-mix(in srgb, var(--sol-red) var(--sol-tint), var(--sol-canvas));
+ --del-bg-dark: color-mix(in srgb, var(--sol-red) var(--sol-tint-strong), var(--sol-canvas));
+ --changed-bg: color-mix(in srgb, var(--sol-yellow) var(--sol-tint), var(--sol-canvas));
+ --changed-bg-dark: color-mix(in srgb, var(--sol-yellow) var(--sol-tint-strong), var(--sol-canvas));
+ --hunk-bg: color-mix(in srgb, var(--sol-blue) var(--sol-tint), var(--sol-canvas));
+
+ --deco-branch-bg: color-mix(in srgb, var(--sol-green) var(--sol-tint-soft), var(--sol-canvas));
+ --deco-branch-border: var(--sol-green);
+ --deco-tag-bg: color-mix(in srgb, var(--sol-yellow) var(--sol-tint-soft), var(--sol-canvas));
+ --deco-tag-border: var(--sol-yellow);
+ --deco-tag-annotated-bg: color-mix(in srgb, var(--sol-orange) var(--sol-tint-soft), var(--sol-canvas));
+ --deco-tag-annotated-border: var(--sol-yellow);
+ --deco-remote-bg: color-mix(in srgb, var(--sol-violet) var(--sol-tint-soft), var(--sol-canvas));
+ --deco-remote-border: var(--sol-violet);
+ --deco-other-bg: color-mix(in srgb, var(--sol-red) var(--sol-tint-soft), var(--sol-canvas));
+ --deco-other-border: var(--sol-red);
+
+ --syn-keyword: var(--sol-emph);
+ --syn-keyword-alt: var(--sol-blue);
+ --syn-type: var(--blue-dark);
+ --syn-string: var(--sol-red);
+ --syn-string-alt: var(--sol-green);
+ --syn-escape: var(--sol-magenta);
+ --syn-comment: var(--sol-secondary);
+ --syn-number: var(--sol-yellow);
+ --syn-preproc: var(--green-mid);
+ --syn-operator: var(--sol-emph);
+ --syn-interpolation: var(--sol-blue);
+ --syn-linenum: var(--sol-secondary);
+ --syn-error: var(--sol-red);
+ --syn-mark-bg: color-mix(in srgb, var(--sol-yellow) var(--sol-tint), var(--sol-canvas));
+}
diff --git a/tests/t0106-diff.sh b/tests/t0106-diff.sh
index 82b645e..e4751e9 100755
--- a/tests/t0106-diff.sh
+++ b/tests/t0106-diff.sh
@@ -16,4 +16,65 @@ 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 '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_done
diff --git a/ui-diff.c b/ui-diff.c
index 6cfa697..5ee3830 100644
--- a/ui-diff.c
+++ b/ui-diff.c
@@ -1,6 +1,10 @@
/* 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)
@@ -336,16 +340,84 @@ 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;
+ 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.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("</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'>");
@@ -379,8 +451,8 @@ 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("</form>");
html("</div>");
+ html("</form>");
}
void cgit_print_diff(const char *new_rev, const char *old_rev,