diff options
| -rw-r--r-- | README.md | 2 | ||||
| -rwxr-xr-x | tests/t0106-diff.sh | 56 | ||||
| -rw-r--r-- | ui-diff.c | 66 |
3 files changed, 123 insertions, 1 deletions
@@ -12,6 +12,8 @@ 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/tests/t0106-diff.sh b/tests/t0106-diff.sh index 82b645e..0c167d4 100755 --- a/tests/t0106-diff.sh +++ b/tests/t0106-diff.sh @@ -16,4 +16,60 @@ 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 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 @@ -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) @@ -336,6 +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; @@ -343,9 +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'>"); |