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authorJohn Keeping <john@keeping.me.uk>2016-07-13 20:19:42 +0100
committerJohn Keeping <john@keeping.me.uk>2016-10-01 11:45:17 +0100
commit000cf294c4d3f3a72b31d8bd0186ac989f596890 (patch)
tree8950b52925fd87b21b5fda1dd8ec7011fd22f8d8
parent7e67c64894b1093fbc009edd811fee1e76daa2d7 (diff)
tree: allow skipping through single-child trees
If we have only a single element in a directory (for example in Java package paths), display multiple directories in one go so that it is possible to navigate directly to the first directory that contains either files or multiple directories. Signed-off-by: John Keeping <john@keeping.me.uk>
-rw-r--r--ui-tree.c70
1 files changed, 68 insertions, 2 deletions
diff --git a/ui-tree.c b/ui-tree.c
index 120066c..5c31e6a 100644
--- a/ui-tree.c
+++ b/ui-tree.c
@@ -155,6 +155,72 @@ static void print_object(const unsigned char *sha1, char *path, const char *base
print_text_buffer(basename, buf, size);
}
+struct single_tree_ctx {
+ struct strbuf *path;
+ unsigned char sha1[GIT_SHA1_RAWSZ];
+ char *name;
+ size_t count;
+};
+
+static int single_tree_cb(const unsigned char *sha1, struct strbuf *base,
+ const char *pathname, unsigned mode, int stage,
+ void *cbdata)
+{
+ struct single_tree_ctx *ctx = cbdata;
+
+ if (++ctx->count > 1)
+ return -1;
+
+ if (!S_ISDIR(mode)) {
+ ctx->count = 2;
+ return -1;
+ }
+
+ ctx->name = xstrdup(pathname);
+ hashcpy(ctx->sha1, sha1);
+ strbuf_addf(ctx->path, "/%s", pathname);
+ return 0;
+}
+
+static void write_tree_link(const unsigned char *sha1, char *name,
+ char *rev, struct strbuf *fullpath)
+{
+ size_t initial_length = fullpath->len;
+ struct tree *tree;
+ struct single_tree_ctx tree_ctx = {
+ .path = fullpath,
+ .count = 1,
+ };
+ struct pathspec paths = {
+ .nr = 0
+ };
+
+ hashcpy(tree_ctx.sha1, sha1);
+
+ while (tree_ctx.count == 1) {
+ cgit_tree_link(name, NULL, "ls-dir", ctx.qry.head, rev,
+ fullpath->buf);
+
+ tree = lookup_tree(tree_ctx.sha1);
+ if (!tree)
+ return;
+
+ free(tree_ctx.name);
+ tree_ctx.name = NULL;
+ tree_ctx.count = 0;
+
+ read_tree_recursive(tree, "", 0, 1, &paths, single_tree_cb,
+ &tree_ctx);
+
+ if (tree_ctx.count != 1)
+ break;
+
+ html(" / ");
+ name = tree_ctx.name;
+ }
+
+ strbuf_setlen(fullpath, initial_length);
+}
static int ls_item(const unsigned char *sha1, struct strbuf *base,
const char *pathname, unsigned mode, int stage, void *cbdata)
@@ -187,8 +253,8 @@ static int ls_item(const unsigned char *sha1, struct strbuf *base,
if (S_ISGITLINK(mode)) {
cgit_submodule_link("ls-mod", fullpath.buf, sha1_to_hex(sha1));
} else if (S_ISDIR(mode)) {
- cgit_tree_link(name, NULL, "ls-dir", ctx.qry.head,
- walk_tree_ctx->curr_rev, fullpath.buf);
+ write_tree_link(sha1, name, walk_tree_ctx->curr_rev,
+ &fullpath);
} else {
char *ext = strrchr(name, '.');
strbuf_addstr(&class, "ls-blob");