neocgit

a more 'modern' version of cgit
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commit 000cf294c4d3f3a72b31d8bd0186ac989f596890
parent 7e67c64894b1093fbc009edd811fee1e76daa2d7
Author: John Keeping <john@keeping.me.uk>
Date:   Wed, 13 Jul 2016 20:19:42 +0100

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>

Diffstat:
Mui-tree.c | 70++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++--
1 file changed, 68 insertions(+), 2 deletions(-)

diff --git 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");