From 7ec57556b29c3ed42769c122228ee4621676b642 Mon Sep 17 00:00:00 2001 From: Linus Torvalds Date: Tue, 31 Jan 2006 14:13:40 -0800 Subject: [PATCH] Make git-tar-tree use the tree_desc abstractions Signed-off-by: Linus Torvalds Signed-off-by: Junio C Hamano --- tar-tree.c | 47 ++++++++++++++++++++++++----------------------- 1 file changed, 24 insertions(+), 23 deletions(-) diff --git a/tar-tree.c b/tar-tree.c index d36baed5..e85a1ed6 100644 --- a/tar-tree.c +++ b/tar-tree.c @@ -3,7 +3,7 @@ */ #include #include "cache.h" -#include "tree.h" +#include "diff.h" #include "commit.h" #define RECORDSIZE (512) @@ -336,37 +336,38 @@ static void write_header(const unsigned char *sha1, char typeflag, const char *b write_if_needed(); } -static void traverse_tree(struct tree *tree, +static void traverse_tree(struct tree_desc *tree, struct path_prefix *prefix) { struct path_prefix this_prefix; - struct tree_entry_list *item; this_prefix.prev = prefix; - parse_tree(tree); - item = tree->entries; - - while (item) { + while (tree->size) { + const char *name; + const unsigned char *sha1; + unsigned mode; void *eltbuf; char elttype[20]; unsigned long eltsize; - eltbuf = read_sha1_file(item->item.any->sha1, - elttype, &eltsize); + sha1 = tree_entry_extract(tree, &name, &mode); + update_tree_entry(tree); + + eltbuf = read_sha1_file(sha1, elttype, &eltsize); if (!eltbuf) - die("cannot read %s", - sha1_to_hex(item->item.any->sha1)); - write_header(item->item.any->sha1, TYPEFLAG_AUTO, basedir, - prefix, item->name, - item->mode, eltbuf, eltsize); - if (item->directory) { - this_prefix.name = item->name; - traverse_tree(item->item.tree, &this_prefix); - } else if (!item->symlink) { + die("cannot read %s", sha1_to_hex(sha1)); + write_header(sha1, TYPEFLAG_AUTO, basedir, + prefix, name, mode, eltbuf, eltsize); + if (S_ISDIR(mode)) { + struct tree_desc subtree; + subtree.buf = eltbuf; + subtree.size = eltsize; + this_prefix.name = name; + traverse_tree(&subtree, &this_prefix); + } else if (!S_ISLNK(mode)) { write_blocked(eltbuf, eltsize); } free(eltbuf); - item = item->next; } } @@ -374,7 +375,7 @@ int main(int argc, char **argv) { unsigned char sha1[20]; struct commit *commit; - struct tree *tree; + struct tree_desc tree; setup_git_directory(); @@ -395,8 +396,8 @@ int main(int argc, char **argv) write_global_extended_header(commit->object.sha1); archive_time = commit->date; } - tree = parse_tree_indirect(sha1); - if (!tree) + tree.buf = read_object_with_reference(sha1, "tree", &tree.size, NULL); + if (!tree.buf) die("not a reference to a tag, commit or tree object: %s", sha1_to_hex(sha1)); if (!archive_time) @@ -404,7 +405,7 @@ int main(int argc, char **argv) if (basedir) write_header((unsigned char *)"0", TYPEFLAG_DIR, NULL, NULL, basedir, 040777, NULL, 0); - traverse_tree(tree, NULL); + traverse_tree(&tree, NULL); write_trailer(); return 0; } -- 2.11.0