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archive: don't queue excluded directories 

Reject directories with the attribute export-ignore already while
queuing them.  This prevents read_tree_recursive() from descending into
them and this avoids write_archive_entry() rejecting them later on,
which queue_or_write_archive_entry() is not prepared for.

Borrow the existing strbuf to build the full path to avoid string
copies and extra allocations; just make sure we restore the original
value before moving on.

Keep checking any other attributes in write_archive_entry() as before,
but avoid checking them twice.

Signed-off-by: Rene Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
René Scharfe 2017-08-19 07:32:37 +02:00 committed by Junio C Hamano
parent c6c08f7e9a
commit 5ff247ac0c
2 changed files with 27 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

32
archive.c
View File

@ -121,17 +121,21 @@ static int check_attr_export_subst(const struct attr_check *check)
return check && ATTR_TRUE(check->items[1].value);
}
static int should_queue_directories(const struct archiver_args *args)
{
return args->pathspec.has_wildcard;
}
static int write_archive_entry(const unsigned char *sha1, const char *base,
int baselen, const char *filename, unsigned mode, int stage,
void *context)
{
static struct strbuf path = STRBUF_INIT;
const struct attr_check *check;
struct archiver_context *c = context;
struct archiver_args *args = c->args;
write_archive_entry_fn_t write_entry = c->write_entry;
const char *path_without_prefix;
int err;
const char *path_without_prefix;
args->convert = 0;
strbuf_reset(&path);
@ -143,10 +147,13 @@ static int write_archive_entry(const unsigned char *sha1, const char *base,
strbuf_addch(&path, '/');
path_without_prefix = path.buf + args->baselen;
check = get_archive_attrs(path_without_prefix);
if (check_attr_export_ignore(check))
return 0;
args->convert = check_attr_export_subst(check);
if (!S_ISDIR(mode) || !should_queue_directories(args)) {
const struct attr_check *check;
check = get_archive_attrs(path_without_prefix);
if (check_attr_export_ignore(check))
return 0;
args->convert = check_attr_export_subst(check);
}
if (S_ISDIR(mode) || S_ISGITLINK(mode)) {
if (args->verbose)
@ -219,6 +226,17 @@ static int queue_or_write_archive_entry(const unsigned char *sha1,
}
if (S_ISDIR(mode)) {
size_t baselen = base->len;
const struct attr_check *check;
/* Borrow base, but restore its original value when done. */
strbuf_addstr(base, filename);
strbuf_addch(base, '/');
check = get_archive_attrs(base->buf);
strbuf_setlen(base, baselen);
if (check_attr_export_ignore(check))
return 0;
queue_directory(sha1, base, filename,
mode, stage, c);
return READ_TREE_RECURSIVE;
@ -272,7 +290,7 @@ int write_archive_entries(struct archiver_args *args,
}
err = read_tree_recursive(args->tree, "", 0, 0, &args->pathspec,
args->pathspec.has_wildcard ?
should_queue_directories(args) ?
queue_or_write_archive_entry :
write_archive_entry_buf,
&context);

4
t/t5001-archive-attr.sh
View File

@ -76,7 +76,7 @@ test_expect_exists archive-pathspec/ignored-by-worktree
test_expect_missing archive-pathspec/excluded-by-pathspec.d failure
test_expect_missing archive-pathspec/excluded-by-pathspec.d/file
test_expect_failure 'git archive with wildcard pathspec' '
test_expect_success 'git archive with wildcard pathspec' '
git archive HEAD ":!excluded-by-p*" >archive-pathspec-wildcard.tar &&
extract_tar_to_dir archive-pathspec-wildcard
'
@ -85,7 +85,7 @@ test_expect_missing archive-pathspec-wildcard/ignored
test_expect_missing archive-pathspec-wildcard/ignored-by-tree
test_expect_missing archive-pathspec-wildcard/ignored-by-tree.d
test_expect_missing archive-pathspec-wildcard/ignored-by-tree.d/file
test_expect_exists archive-pathspec-wildcard/ignored-by-worktree failure
test_expect_exists archive-pathspec-wildcard/ignored-by-worktree
test_expect_missing archive-pathspec-wildcard/excluded-by-pathspec.d
test_expect_missing archive-pathspec-wildcard/excluded-by-pathspec.d/file