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-rw-r--r--ui-diff.c83
1 files changed, 8 insertions, 75 deletions
diff --git a/ui-diff.c b/ui-diff.c
index c77ca2f..13c1e32 100644
--- a/ui-diff.c
+++ b/ui-diff.c
@@ -366,21 +366,6 @@ static void cgit_print_ref_select(const char *name, const char *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;
@@ -412,63 +397,25 @@ void cgit_print_diff_ctrls(void)
/* 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 *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);
- 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;
- }
+ cgit_diff_link("flip", "swap from and to", "button",
+ ctx.qry.head,
+ is_null_oid(old_rev_oid) ? NULL :
+ oid_to_hex(old_rev_oid),
+ new_ref, ctx.qry.path);
html("</td></tr>");
}
html("</table>");
@@ -521,7 +468,6 @@ 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 +482,8 @@ 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 +497,7 @@ 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);