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authorC. McEnroe <june@causal.agency>2019-12-19T21·55+0000
committerVincent Ambo <tazjin@google.com>2020-02-21T21·03+0000
commitb503c2afcf166ea002a15fa84f42a998caafa152 (patch)
tree3dd2d95b3160c6d40ea31b6b406b34f10068dd26 /third_party/cgit
parent6932c431bb4374ae357d08577f52ede0929502ef (diff)
feat(cgit/ui-tree): show symlink targets in tree listing
Add links to symbolic link targets in tree listings, formatted like
"ls -l".  Path normalization collapses any ".." components of the link.
Diffstat (limited to 'third_party/cgit')
-rw-r--r--third_party/cgit/ui-tree.c22
1 files changed, 20 insertions, 2 deletions
diff --git a/third_party/cgit/ui-tree.c b/third_party/cgit/ui-tree.c
index c4f2dac466aa..2c6d23ec519a 100644
--- a/third_party/cgit/ui-tree.c
+++ b/third_party/cgit/ui-tree.c
@@ -206,9 +206,11 @@ static int ls_item(const struct object_id *oid, struct strbuf *base,
 	struct walk_tree_context *walk_tree_ctx = cbdata;
 	char *name;
 	struct strbuf fullpath = STRBUF_INIT;
+	struct strbuf linkpath = STRBUF_INIT;
 	struct strbuf class = STRBUF_INIT;
 	enum object_type type;
 	unsigned long size = 0;
+	char *buf;
 
 	name = xstrdup(pathname);
 	strbuf_addf(&fullpath, "%s%s%s", ctx.qry.path ? ctx.qry.path : "",
@@ -220,8 +222,7 @@ static int ls_item(const struct object_id *oid, struct strbuf *base,
 			htmlf("<tr><td colspan='3'>Bad object: %s %s</td></tr>",
 			      name,
 			      oid_to_hex(oid));
-			free(name);
-			return 0;
+			goto cleanup;
 		}
 	}
 
@@ -241,6 +242,21 @@ static int ls_item(const struct object_id *oid, struct strbuf *base,
 		cgit_tree_link(name, NULL, class.buf, ctx.qry.head,
 			       walk_tree_ctx->curr_rev, fullpath.buf);
 	}
+	if (S_ISLNK(mode)) {
+		html(" -> ");
+		buf = read_object_file(oid, &type, &size);
+		if (!buf) {
+			htmlf("Error reading object: %s", oid_to_hex(oid));
+			goto cleanup;
+		}
+		strbuf_addbuf(&linkpath, &fullpath);
+		strbuf_addf(&linkpath, "/../%s", buf);
+		strbuf_normalize_path(&linkpath);
+		cgit_tree_link(buf, NULL, class.buf, ctx.qry.head,
+			walk_tree_ctx->curr_rev, linkpath.buf);
+		free(buf);
+		strbuf_release(&linkpath);
+	}
 	htmlf("</td><td class='ls-size'>%li</td>", size);
 
 	html("<td>");
@@ -257,6 +273,8 @@ static int ls_item(const struct object_id *oid, struct strbuf *base,
 		cgit_blame_link("blame", NULL, "button", ctx.qry.head,
 				walk_tree_ctx->curr_rev, fullpath.buf);
 	html("</td></tr>\n");
+
+cleanup:
 	free(name);
 	strbuf_release(&fullpath);
 	strbuf_release(&class);