TEST_BUILTINS_OBJS += test-ctype.o
TEST_BUILTINS_OBJS += test-date.o
TEST_BUILTINS_OBJS += test-delta.o
+TEST_BUILTINS_OBJS += test-dir-iterator.o
TEST_BUILTINS_OBJS += test-drop-caches.o
TEST_BUILTINS_OBJS += test-dump-cache-tree.o
TEST_BUILTINS_OBJS += test-dump-fsmonitor.o
#include "transport.h"
#include "strbuf.h"
#include "dir.h"
+#include "dir-iterator.h"
+#include "iterator.h"
#include "sigchain.h"
#include "branch.h"
#include "remote.h"
fclose(in);
}
+static void mkdir_if_missing(const char *pathname, mode_t mode)
+{
+ struct stat st;
+
+ if (!mkdir(pathname, mode))
+ return;
+
+ if (errno != EEXIST)
+ die_errno(_("failed to create directory '%s'"), pathname);
+ else if (stat(pathname, &st))
+ die_errno(_("failed to stat '%s'"), pathname);
+ else if (!S_ISDIR(st.st_mode))
+ die(_("%s exists and is not a directory"), pathname);
+}
+
static void copy_or_link_directory(struct strbuf *src, struct strbuf *dest,
- const char *src_repo, int src_baselen)
+ const char *src_repo)
{
- struct dirent *de;
- struct stat buf;
int src_len, dest_len;
- DIR *dir;
-
- dir = opendir(src->buf);
- if (!dir)
- die_errno(_("failed to open '%s'"), src->buf);
-
- if (mkdir(dest->buf, 0777)) {
- if (errno != EEXIST)
- die_errno(_("failed to create directory '%s'"), dest->buf);
- else if (stat(dest->buf, &buf))
- die_errno(_("failed to stat '%s'"), dest->buf);
- else if (!S_ISDIR(buf.st_mode))
- die(_("%s exists and is not a directory"), dest->buf);
- }
+ struct dir_iterator *iter;
+ int iter_status;
+ unsigned int flags;
+
+ mkdir_if_missing(dest->buf, 0777);
+
+ flags = DIR_ITERATOR_PEDANTIC | DIR_ITERATOR_FOLLOW_SYMLINKS;
+ iter = dir_iterator_begin(src->buf, flags);
+
+ if (!iter)
+ die_errno(_("failed to start iterator over '%s'"), src->buf);
strbuf_addch(src, '/');
src_len = src->len;
strbuf_addch(dest, '/');
dest_len = dest->len;
- while ((de = readdir(dir)) != NULL) {
+ while ((iter_status = dir_iterator_advance(iter)) == ITER_OK) {
strbuf_setlen(src, src_len);
- strbuf_addstr(src, de->d_name);
+ strbuf_addstr(src, iter->relative_path);
strbuf_setlen(dest, dest_len);
- strbuf_addstr(dest, de->d_name);
- if (stat(src->buf, &buf)) {
- warning (_("failed to stat %s\n"), src->buf);
- continue;
- }
- if (S_ISDIR(buf.st_mode)) {
- if (de->d_name[0] != '.')
- copy_or_link_directory(src, dest,
- src_repo, src_baselen);
+ strbuf_addstr(dest, iter->relative_path);
+
+ if (S_ISDIR(iter->st.st_mode)) {
+ mkdir_if_missing(dest->buf, 0777);
continue;
}
/* Files that cannot be copied bit-for-bit... */
- if (!strcmp(src->buf + src_baselen, "/info/alternates")) {
+ if (!fspathcmp(iter->relative_path, "info/alternates")) {
copy_alternates(src, src_repo);
continue;
}
if (unlink(dest->buf) && errno != ENOENT)
die_errno(_("failed to unlink '%s'"), dest->buf);
if (!option_no_hardlinks) {
- if (!link(src->buf, dest->buf))
+ if (!link(real_path(src->buf), dest->buf))
continue;
if (option_local > 0)
die_errno(_("failed to create link '%s'"), dest->buf);
if (copy_file_with_time(dest->buf, src->buf, 0666))
die_errno(_("failed to copy file to '%s'"), dest->buf);
}
- closedir(dir);
+
+ if (iter_status != ITER_DONE) {
+ strbuf_setlen(src, src_len);
+ die(_("failed to iterate over '%s'"), src->buf);
+ }
}
static void clone_local(const char *src_repo, const char *dest_repo)
get_common_dir(&dest, dest_repo);
strbuf_addstr(&src, "/objects");
strbuf_addstr(&dest, "/objects");
- copy_or_link_directory(&src, &dest, src_repo, src.len);
+ copy_or_link_directory(&src, &dest, src_repo);
strbuf_release(&src);
strbuf_release(&dest);
}
#include "dir-iterator.h"
struct dir_iterator_level {
- int initialized;
-
DIR *dir;
/*
* (including a trailing '/'):
*/
size_t prefix_len;
-
- /*
- * The last action that has been taken with the current entry
- * (needed for directories, which have to be included in the
- * iteration and also iterated into):
- */
- enum {
- DIR_STATE_ITER,
- DIR_STATE_RECURSE
- } dir_state;
};
/*
struct dir_iterator base;
/*
- * The number of levels currently on the stack. This is always
- * at least 1, because when it becomes zero the iteration is
- * ended and this struct is freed.
+ * The number of levels currently on the stack. After the first
+ * call to dir_iterator_begin(), if it succeeds to open the
+ * first level's dir, this will always be at least 1. Then,
+ * when it comes to zero the iteration is ended and this
+ * struct is freed.
*/
size_t levels_nr;
* that will be included in this iteration.
*/
struct dir_iterator_level *levels;
+
+ /* Combination of flags for this dir-iterator */
+ unsigned int flags;
};
+/*
+ * Push a level in the iter stack and initialize it with information from
+ * the directory pointed by iter->base->path. It is assumed that this
+ * strbuf points to a valid directory path. Return 0 on success and -1
+ * otherwise, setting errno accordingly and leaving the stack unchanged.
+ */
+static int push_level(struct dir_iterator_int *iter)
+{
+ struct dir_iterator_level *level;
+
+ ALLOC_GROW(iter->levels, iter->levels_nr + 1, iter->levels_alloc);
+ level = &iter->levels[iter->levels_nr++];
+
+ if (!is_dir_sep(iter->base.path.buf[iter->base.path.len - 1]))
+ strbuf_addch(&iter->base.path, '/');
+ level->prefix_len = iter->base.path.len;
+
+ level->dir = opendir(iter->base.path.buf);
+ if (!level->dir) {
+ int saved_errno = errno;
+ if (errno != ENOENT) {
+ warning_errno("error opening directory '%s'",
+ iter->base.path.buf);
+ }
+ iter->levels_nr--;
+ errno = saved_errno;
+ return -1;
+ }
+
+ return 0;
+}
+
+/*
+ * Pop the top level on the iter stack, releasing any resources associated
+ * with it. Return the new value of iter->levels_nr.
+ */
+static int pop_level(struct dir_iterator_int *iter)
+{
+ struct dir_iterator_level *level =
+ &iter->levels[iter->levels_nr - 1];
+
+ if (level->dir && closedir(level->dir))
+ warning_errno("error closing directory '%s'",
+ iter->base.path.buf);
+ level->dir = NULL;
+
+ return --iter->levels_nr;
+}
+
+/*
+ * Populate iter->base with the necessary information on the next iteration
+ * entry, represented by the given dirent de. Return 0 on success and -1
+ * otherwise, setting errno accordingly.
+ */
+static int prepare_next_entry_data(struct dir_iterator_int *iter,
+ struct dirent *de)
+{
+ int err, saved_errno;
+
+ strbuf_addstr(&iter->base.path, de->d_name);
+ /*
+ * We have to reset these because the path strbuf might have
+ * been realloc()ed at the previous strbuf_addstr().
+ */
+ iter->base.relative_path = iter->base.path.buf +
+ iter->levels[0].prefix_len;
+ iter->base.basename = iter->base.path.buf +
+ iter->levels[iter->levels_nr - 1].prefix_len;
+
+ if (iter->flags & DIR_ITERATOR_FOLLOW_SYMLINKS)
+ err = stat(iter->base.path.buf, &iter->base.st);
+ else
+ err = lstat(iter->base.path.buf, &iter->base.st);
+
+ saved_errno = errno;
+ if (err && errno != ENOENT)
+ warning_errno("failed to stat '%s'", iter->base.path.buf);
+
+ errno = saved_errno;
+ return err;
+}
+
int dir_iterator_advance(struct dir_iterator *dir_iterator)
{
struct dir_iterator_int *iter =
(struct dir_iterator_int *)dir_iterator;
+ if (S_ISDIR(iter->base.st.st_mode) && push_level(iter)) {
+ if (errno != ENOENT && iter->flags & DIR_ITERATOR_PEDANTIC)
+ goto error_out;
+ if (iter->levels_nr == 0)
+ goto error_out;
+ }
+
+ /* Loop until we find an entry that we can give back to the caller. */
while (1) {
+ struct dirent *de;
struct dir_iterator_level *level =
&iter->levels[iter->levels_nr - 1];
- struct dirent *de;
- if (!level->initialized) {
- /*
- * Note: dir_iterator_begin() ensures that
- * path is not the empty string.
- */
- if (!is_dir_sep(iter->base.path.buf[iter->base.path.len - 1]))
- strbuf_addch(&iter->base.path, '/');
- level->prefix_len = iter->base.path.len;
-
- level->dir = opendir(iter->base.path.buf);
- if (!level->dir && errno != ENOENT) {
- warning("error opening directory %s: %s",
- iter->base.path.buf, strerror(errno));
- /* Popping the level is handled below */
- }
-
- level->initialized = 1;
- } else if (S_ISDIR(iter->base.st.st_mode)) {
- if (level->dir_state == DIR_STATE_ITER) {
- /*
- * The directory was just iterated
- * over; now prepare to iterate into
- * it.
- */
- level->dir_state = DIR_STATE_RECURSE;
- ALLOC_GROW(iter->levels, iter->levels_nr + 1,
- iter->levels_alloc);
- level = &iter->levels[iter->levels_nr++];
- level->initialized = 0;
- continue;
- } else {
- /*
- * The directory has already been
- * iterated over and iterated into;
- * we're done with it.
- */
+ strbuf_setlen(&iter->base.path, level->prefix_len);
+ errno = 0;
+ de = readdir(level->dir);
+
+ if (!de) {
+ if (errno) {
+ warning_errno("error reading directory '%s'",
+ iter->base.path.buf);
+ if (iter->flags & DIR_ITERATOR_PEDANTIC)
+ goto error_out;
+ } else if (pop_level(iter) == 0) {
+ return dir_iterator_abort(dir_iterator);
}
+ continue;
}
- if (!level->dir) {
- /*
- * This level is exhausted (or wasn't opened
- * successfully); pop up a level.
- */
- if (--iter->levels_nr == 0)
- return dir_iterator_abort(dir_iterator);
+ if (is_dot_or_dotdot(de->d_name))
+ continue;
+ if (prepare_next_entry_data(iter, de)) {
+ if (errno != ENOENT && iter->flags & DIR_ITERATOR_PEDANTIC)
+ goto error_out;
continue;
}
- /*
- * Loop until we find an entry that we can give back
- * to the caller:
- */
- while (1) {
- strbuf_setlen(&iter->base.path, level->prefix_len);
- errno = 0;
- de = readdir(level->dir);
-
- if (!de) {
- /* This level is exhausted; pop up a level. */
- if (errno) {
- warning("error reading directory %s: %s",
- iter->base.path.buf, strerror(errno));
- } else if (closedir(level->dir))
- warning("error closing directory %s: %s",
- iter->base.path.buf, strerror(errno));
-
- level->dir = NULL;
- if (--iter->levels_nr == 0)
- return dir_iterator_abort(dir_iterator);
- break;
- }
-
- if (is_dot_or_dotdot(de->d_name))
- continue;
-
- strbuf_addstr(&iter->base.path, de->d_name);
- if (lstat(iter->base.path.buf, &iter->base.st) < 0) {
- if (errno != ENOENT)
- warning("error reading path '%s': %s",
- iter->base.path.buf,
- strerror(errno));
- continue;
- }
-
- /*
- * We have to set these each time because
- * the path strbuf might have been realloc()ed.
- */
- iter->base.relative_path =
- iter->base.path.buf + iter->levels[0].prefix_len;
- iter->base.basename =
- iter->base.path.buf + level->prefix_len;
- level->dir_state = DIR_STATE_ITER;
-
- return ITER_OK;
- }
+ return ITER_OK;
}
+
+error_out:
+ dir_iterator_abort(dir_iterator);
+ return ITER_ERROR;
}
int dir_iterator_abort(struct dir_iterator *dir_iterator)
&iter->levels[iter->levels_nr - 1];
if (level->dir && closedir(level->dir)) {
+ int saved_errno = errno;
strbuf_setlen(&iter->base.path, level->prefix_len);
- warning("error closing directory %s: %s",
- iter->base.path.buf, strerror(errno));
+ errno = saved_errno;
+ warning_errno("error closing directory '%s'",
+ iter->base.path.buf);
}
}
return ITER_DONE;
}
-struct dir_iterator *dir_iterator_begin(const char *path)
+struct dir_iterator *dir_iterator_begin(const char *path, unsigned int flags)
{
struct dir_iterator_int *iter = xcalloc(1, sizeof(*iter));
struct dir_iterator *dir_iterator = &iter->base;
-
- if (!path || !*path)
- BUG("empty path passed to dir_iterator_begin()");
+ int saved_errno;
strbuf_init(&iter->base.path, PATH_MAX);
strbuf_addstr(&iter->base.path, path);
ALLOC_GROW(iter->levels, 10, iter->levels_alloc);
+ iter->levels_nr = 0;
+ iter->flags = flags;
- iter->levels_nr = 1;
- iter->levels[0].initialized = 0;
+ /*
+ * Note: stat already checks for NULL or empty strings and
+ * inexistent paths.
+ */
+ if (stat(iter->base.path.buf, &iter->base.st) < 0) {
+ saved_errno = errno;
+ goto error_out;
+ }
+
+ if (!S_ISDIR(iter->base.st.st_mode)) {
+ saved_errno = ENOTDIR;
+ goto error_out;
+ }
return dir_iterator;
+
+error_out:
+ dir_iterator_abort(dir_iterator);
+ errno = saved_errno;
+ return NULL;
}
*
* Iterate over a directory tree, recursively, including paths of all
* types and hidden paths. Skip "." and ".." entries and don't follow
- * symlinks except for the original path.
+ * symlinks except for the original path. Note that the original path
+ * is not included in the iteration.
*
* Every time dir_iterator_advance() is called, update the members of
* the dir_iterator structure to reflect the next path in the
* iteration. The order that paths are iterated over within a
- * directory is undefined, but directory paths are always iterated
- * over before the subdirectory contents.
+ * directory is undefined, directory paths are always given before
+ * their contents.
*
* A typical iteration looks like this:
*
* int ok;
- * struct iterator *iter = dir_iterator_begin(path);
+ * unsigned int flags = DIR_ITERATOR_PEDANTIC;
+ * struct dir_iterator *iter = dir_iterator_begin(path, flags);
+ *
+ * if (!iter)
+ * goto error_handler;
*
* while ((ok = dir_iterator_advance(iter)) == ITER_OK) {
* if (want_to_stop_iteration()) {
* dir_iterator_advance() again.
*/
+/*
+ * Flags for dir_iterator_begin:
+ *
+ * - DIR_ITERATOR_PEDANTIC: override dir-iterator's default behavior
+ * in case of an error at dir_iterator_advance(), which is to keep
+ * looking for a next valid entry. With this flag, resources are freed
+ * and ITER_ERROR is returned immediately. In both cases, a meaningful
+ * warning is emitted. Note: ENOENT errors are always ignored so that
+ * the API users may remove files during iteration.
+ *
+ * - DIR_ITERATOR_FOLLOW_SYMLINKS: make dir-iterator follow symlinks.
+ * i.e., linked directories' contents will be iterated over and
+ * iter->base.st will contain information on the referred files,
+ * not the symlinks themselves, which is the default behavior. Broken
+ * symlinks are ignored.
+ *
+ * Warning: circular symlinks are also followed when
+ * DIR_ITERATOR_FOLLOW_SYMLINKS is set. The iteration may end up with
+ * an ELOOP if they happen and DIR_ITERATOR_PEDANTIC is set.
+ */
+#define DIR_ITERATOR_PEDANTIC (1 << 0)
+#define DIR_ITERATOR_FOLLOW_SYMLINKS (1 << 1)
+
struct dir_iterator {
/* The current path: */
struct strbuf path;
/* The current basename: */
const char *basename;
- /* The result of calling lstat() on path: */
+ /*
+ * The result of calling lstat() on path; or stat(), if the
+ * DIR_ITERATOR_FOLLOW_SYMLINKS flag was set at
+ * dir_iterator's initialization.
+ */
struct stat st;
};
/*
- * Start a directory iteration over path. Return a dir_iterator that
- * holds the internal state of the iteration.
+ * Start a directory iteration over path with the combination of
+ * options specified by flags. On success, return a dir_iterator
+ * that holds the internal state of the iteration. In case of
+ * failure, return NULL and set errno accordingly.
*
* The iteration includes all paths under path, not including path
* itself and not including "." or ".." entries.
*
- * path is the starting directory. An internal copy will be made.
+ * Parameters are:
+ * - path is the starting directory. An internal copy will be made.
+ * - flags is a combination of the possible flags to initialize a
+ * dir-iterator or 0 for default behavior.
*/
-struct dir_iterator *dir_iterator_begin(const char *path);
+struct dir_iterator *dir_iterator_begin(const char *path, unsigned int flags);
/*
* Advance the iterator to the first or next item and return ITER_OK.
* If the iteration is exhausted, free the dir_iterator and any
- * resources associated with it and return ITER_DONE. On error, free
- * dir_iterator and associated resources and return ITER_ERROR. It is
- * a bug to use iterator or call this function again after it has
- * returned ITER_DONE or ITER_ERROR.
+ * resources associated with it and return ITER_DONE.
+ *
+ * It is a bug to use iterator or call this function again after it
+ * has returned ITER_DONE or ITER_ERROR (which may be returned iff
+ * the DIR_ITERATOR_PEDANTIC flag was set).
*/
int dir_iterator_advance(struct dir_iterator *iterator);
static struct ref_iterator *reflog_iterator_begin(struct ref_store *ref_store,
const char *gitdir)
{
- struct files_reflog_iterator *iter = xcalloc(1, sizeof(*iter));
- struct ref_iterator *ref_iterator = &iter->base;
+ struct dir_iterator *diter;
+ struct files_reflog_iterator *iter;
+ struct ref_iterator *ref_iterator;
struct strbuf sb = STRBUF_INIT;
- base_ref_iterator_init(ref_iterator, &files_reflog_iterator_vtable, 0);
strbuf_addf(&sb, "%s/logs", gitdir);
- iter->dir_iterator = dir_iterator_begin(sb.buf);
+
+ diter = dir_iterator_begin(sb.buf, 0);
+ if(!diter)
+ return empty_ref_iterator_begin();
+
+ iter = xcalloc(1, sizeof(*iter));
+ ref_iterator = &iter->base;
+
+ base_ref_iterator_init(ref_iterator, &files_reflog_iterator_vtable, 0);
+ iter->dir_iterator = diter;
iter->ref_store = ref_store;
strbuf_release(&sb);
--- /dev/null
+#include "test-tool.h"
+#include "git-compat-util.h"
+#include "strbuf.h"
+#include "iterator.h"
+#include "dir-iterator.h"
+
+/*
+ * usage:
+ * tool-test dir-iterator [--follow-symlinks] [--pedantic] directory_path
+ */
+int cmd__dir_iterator(int argc, const char **argv)
+{
+ struct strbuf path = STRBUF_INIT;
+ struct dir_iterator *diter;
+ unsigned int flags = 0;
+ int iter_status;
+
+ for (++argv, --argc; *argv && starts_with(*argv, "--"); ++argv, --argc) {
+ if (strcmp(*argv, "--follow-symlinks") == 0)
+ flags |= DIR_ITERATOR_FOLLOW_SYMLINKS;
+ else if (strcmp(*argv, "--pedantic") == 0)
+ flags |= DIR_ITERATOR_PEDANTIC;
+ else
+ die("invalid option '%s'", *argv);
+ }
+
+ if (!*argv || argc != 1)
+ die("dir-iterator needs exactly one non-option argument");
+
+ strbuf_add(&path, *argv, strlen(*argv));
+ diter = dir_iterator_begin(path.buf, flags);
+
+ if (!diter) {
+ printf("dir_iterator_begin failure: %d\n", errno);
+ exit(EXIT_FAILURE);
+ }
+
+ while ((iter_status = dir_iterator_advance(diter)) == ITER_OK) {
+ if (S_ISDIR(diter->st.st_mode))
+ printf("[d] ");
+ else if (S_ISREG(diter->st.st_mode))
+ printf("[f] ");
+ else if (S_ISLNK(diter->st.st_mode))
+ printf("[s] ");
+ else
+ printf("[?] ");
+
+ printf("(%s) [%s] %s\n", diter->relative_path, diter->basename,
+ diter->path.buf);
+ }
+
+ if (iter_status != ITER_DONE) {
+ printf("dir_iterator_advance failure\n");
+ return 1;
+ }
+
+ return 0;
+}
{ "ctype", cmd__ctype },
{ "date", cmd__date },
{ "delta", cmd__delta },
+ { "dir-iterator", cmd__dir_iterator },
{ "drop-caches", cmd__drop_caches },
{ "dump-cache-tree", cmd__dump_cache_tree },
{ "dump-fsmonitor", cmd__dump_fsmonitor },
int cmd__ctype(int argc, const char **argv);
int cmd__date(int argc, const char **argv);
int cmd__delta(int argc, const char **argv);
+int cmd__dir_iterator(int argc, const char **argv);
int cmd__drop_caches(int argc, const char **argv);
int cmd__dump_cache_tree(int argc, const char **argv);
int cmd__dump_fsmonitor(int argc, const char **argv);
--- /dev/null
+#!/bin/sh
+
+test_description='Test the dir-iterator functionality'
+
+. ./test-lib.sh
+
+test_expect_success 'setup' '
+ mkdir -p dir &&
+ mkdir -p dir/a/b/c/ &&
+ >dir/b &&
+ >dir/c &&
+ mkdir -p dir/d/e/d/ &&
+ >dir/a/b/c/d &&
+ >dir/a/e &&
+ >dir/d/e/d/a &&
+
+ mkdir -p dir2/a/b/c/ &&
+ >dir2/a/b/c/d
+'
+
+test_expect_success 'dir-iterator should iterate through all files' '
+ cat >expected-iteration-sorted-output <<-EOF &&
+ [d] (a) [a] ./dir/a
+ [d] (a/b) [b] ./dir/a/b
+ [d] (a/b/c) [c] ./dir/a/b/c
+ [d] (d) [d] ./dir/d
+ [d] (d/e) [e] ./dir/d/e
+ [d] (d/e/d) [d] ./dir/d/e/d
+ [f] (a/b/c/d) [d] ./dir/a/b/c/d
+ [f] (a/e) [e] ./dir/a/e
+ [f] (b) [b] ./dir/b
+ [f] (c) [c] ./dir/c
+ [f] (d/e/d/a) [a] ./dir/d/e/d/a
+ EOF
+
+ test-tool dir-iterator ./dir >out &&
+ sort out >./actual-iteration-sorted-output &&
+
+ test_cmp expected-iteration-sorted-output actual-iteration-sorted-output
+'
+
+test_expect_success 'dir-iterator should list files in the correct order' '
+ cat >expected-pre-order-output <<-EOF &&
+ [d] (a) [a] ./dir2/a
+ [d] (a/b) [b] ./dir2/a/b
+ [d] (a/b/c) [c] ./dir2/a/b/c
+ [f] (a/b/c/d) [d] ./dir2/a/b/c/d
+ EOF
+
+ test-tool dir-iterator ./dir2 >actual-pre-order-output &&
+
+ test_cmp expected-pre-order-output actual-pre-order-output
+'
+
+test_expect_success 'begin should fail upon inexistent paths' '
+ test_must_fail test-tool dir-iterator ./inexistent-path \
+ >actual-inexistent-path-output &&
+ echo "dir_iterator_begin failure: 2" >expected-inexistent-path-output &&
+ test_cmp expected-inexistent-path-output actual-inexistent-path-output
+'
+
+test_expect_success 'begin should fail upon non directory paths' '
+ test_must_fail test-tool dir-iterator ./dir/b >actual-non-dir-output &&
+ echo "dir_iterator_begin failure: 20" >expected-non-dir-output &&
+ test_cmp expected-non-dir-output actual-non-dir-output
+'
+
+test_expect_success POSIXPERM,SANITY 'advance should not fail on errors by default' '
+ cat >expected-no-permissions-output <<-EOF &&
+ [d] (a) [a] ./dir3/a
+ EOF
+
+ mkdir -p dir3/a &&
+ >dir3/a/b &&
+ chmod 0 dir3/a &&
+
+ test-tool dir-iterator ./dir3 >actual-no-permissions-output &&
+ test_cmp expected-no-permissions-output actual-no-permissions-output &&
+ chmod 755 dir3/a &&
+ rm -rf dir3
+'
+
+test_expect_success POSIXPERM,SANITY 'advance should fail on errors, w/ pedantic flag' '
+ cat >expected-no-permissions-pedantic-output <<-EOF &&
+ [d] (a) [a] ./dir3/a
+ dir_iterator_advance failure
+ EOF
+
+ mkdir -p dir3/a &&
+ >dir3/a/b &&
+ chmod 0 dir3/a &&
+
+ test_must_fail test-tool dir-iterator --pedantic ./dir3 \
+ >actual-no-permissions-pedantic-output &&
+ test_cmp expected-no-permissions-pedantic-output \
+ actual-no-permissions-pedantic-output &&
+ chmod 755 dir3/a &&
+ rm -rf dir3
+'
+
+test_expect_success SYMLINKS 'setup dirs with symlinks' '
+ mkdir -p dir4/a &&
+ mkdir -p dir4/b/c &&
+ >dir4/a/d &&
+ ln -s d dir4/a/e &&
+ ln -s ../b dir4/a/f &&
+
+ mkdir -p dir5/a/b &&
+ mkdir -p dir5/a/c &&
+ ln -s ../c dir5/a/b/d &&
+ ln -s ../ dir5/a/b/e &&
+ ln -s ../../ dir5/a/b/f
+'
+
+test_expect_success SYMLINKS 'dir-iterator should not follow symlinks by default' '
+ cat >expected-no-follow-sorted-output <<-EOF &&
+ [d] (a) [a] ./dir4/a
+ [d] (b) [b] ./dir4/b
+ [d] (b/c) [c] ./dir4/b/c
+ [f] (a/d) [d] ./dir4/a/d
+ [s] (a/e) [e] ./dir4/a/e
+ [s] (a/f) [f] ./dir4/a/f
+ EOF
+
+ test-tool dir-iterator ./dir4 >out &&
+ sort out >actual-no-follow-sorted-output &&
+
+ test_cmp expected-no-follow-sorted-output actual-no-follow-sorted-output
+'
+
+test_expect_success SYMLINKS 'dir-iterator should follow symlinks w/ follow flag' '
+ cat >expected-follow-sorted-output <<-EOF &&
+ [d] (a) [a] ./dir4/a
+ [d] (a/f) [f] ./dir4/a/f
+ [d] (a/f/c) [c] ./dir4/a/f/c
+ [d] (b) [b] ./dir4/b
+ [d] (b/c) [c] ./dir4/b/c
+ [f] (a/d) [d] ./dir4/a/d
+ [f] (a/e) [e] ./dir4/a/e
+ EOF
+
+ test-tool dir-iterator --follow-symlinks ./dir4 >out &&
+ sort out >actual-follow-sorted-output &&
+
+ test_cmp expected-follow-sorted-output actual-follow-sorted-output
+'
+
+test_done
( cd C && git fsck )
'
+test_expect_success 'setup repo with garbage in objects/*' '
+ git init S &&
+ (
+ cd S &&
+ test_commit A &&
+
+ cd .git/objects &&
+ >.some-hidden-file &&
+ >some-file &&
+ mkdir .some-hidden-dir &&
+ >.some-hidden-dir/some-file &&
+ >.some-hidden-dir/.some-dot-file &&
+ mkdir some-dir &&
+ >some-dir/some-file &&
+ >some-dir/.some-dot-file
+ )
+'
+
+test_expect_success 'clone a repo with garbage in objects/*' '
+ for option in --local --no-hardlinks --shared --dissociate
+ do
+ git clone $option S S$option || return 1 &&
+ git -C S$option fsck || return 1
+ done &&
+ find S-* -name "*some*" | sort >actual &&
+ cat >expected <<-EOF &&
+ S--dissociate/.git/objects/.some-hidden-dir
+ S--dissociate/.git/objects/.some-hidden-dir/.some-dot-file
+ S--dissociate/.git/objects/.some-hidden-dir/some-file
+ S--dissociate/.git/objects/.some-hidden-file
+ S--dissociate/.git/objects/some-dir
+ S--dissociate/.git/objects/some-dir/.some-dot-file
+ S--dissociate/.git/objects/some-dir/some-file
+ S--dissociate/.git/objects/some-file
+ S--local/.git/objects/.some-hidden-dir
+ S--local/.git/objects/.some-hidden-dir/.some-dot-file
+ S--local/.git/objects/.some-hidden-dir/some-file
+ S--local/.git/objects/.some-hidden-file
+ S--local/.git/objects/some-dir
+ S--local/.git/objects/some-dir/.some-dot-file
+ S--local/.git/objects/some-dir/some-file
+ S--local/.git/objects/some-file
+ S--no-hardlinks/.git/objects/.some-hidden-dir
+ S--no-hardlinks/.git/objects/.some-hidden-dir/.some-dot-file
+ S--no-hardlinks/.git/objects/.some-hidden-dir/some-file
+ S--no-hardlinks/.git/objects/.some-hidden-file
+ S--no-hardlinks/.git/objects/some-dir
+ S--no-hardlinks/.git/objects/some-dir/.some-dot-file
+ S--no-hardlinks/.git/objects/some-dir/some-file
+ S--no-hardlinks/.git/objects/some-file
+ EOF
+ test_cmp expected actual
+'
+
+test_expect_success SYMLINKS 'setup repo with manually symlinked or unknown files at objects/' '
+ git init T &&
+ (
+ cd T &&
+ git config gc.auto 0 &&
+ test_commit A &&
+ git gc &&
+ test_commit B &&
+
+ cd .git/objects &&
+ mv pack packs &&
+ ln -s packs pack &&
+ find ?? -type d >loose-dirs &&
+ last_loose=$(tail -n 1 loose-dirs) &&
+ mv $last_loose a-loose-dir &&
+ ln -s a-loose-dir $last_loose &&
+ first_loose=$(head -n 1 loose-dirs) &&
+ rm -f loose-dirs &&
+
+ cd $first_loose &&
+ obj=$(ls *) &&
+ mv $obj ../an-object &&
+ ln -s ../an-object $obj &&
+
+ cd ../ &&
+ find . -type f | sort >../../../T.objects-files.raw &&
+ find . -type l | sort >../../../T.objects-symlinks.raw &&
+ echo unknown_content >unknown_file
+ ) &&
+ git -C T fsck &&
+ git -C T rev-list --all --objects >T.objects
+'
+
+
+test_expect_success SYMLINKS 'clone repo with symlinked or unknown files at objects/' '
+ for option in --local --no-hardlinks --shared --dissociate
+ do
+ git clone $option T T$option || return 1 &&
+ git -C T$option fsck || return 1 &&
+ git -C T$option rev-list --all --objects >T$option.objects &&
+ test_cmp T.objects T$option.objects &&
+ (
+ cd T$option/.git/objects &&
+ find . -type f | sort >../../../T$option.objects-files.raw &&
+ find . -type l | sort >../../../T$option.objects-symlinks.raw
+ )
+ done &&
+
+ for raw in $(ls T*.raw)
+ do
+ sed -e "s!/../!/Y/!; s![0-9a-f]\{38,\}!Z!" -e "/commit-graph/d" \
+ -e "/multi-pack-index/d" <$raw >$raw.de-sha || return 1
+ done &&
+
+ cat >expected-files <<-EOF &&
+ ./Y/Z
+ ./Y/Z
+ ./a-loose-dir/Z
+ ./an-object
+ ./Y/Z
+ ./info/packs
+ ./pack/pack-Z.idx
+ ./pack/pack-Z.pack
+ ./packs/pack-Z.idx
+ ./packs/pack-Z.pack
+ ./unknown_file
+ EOF
+
+ for option in --local --no-hardlinks --dissociate
+ do
+ test_cmp expected-files T$option.objects-files.raw.de-sha || return 1 &&
+ test_must_be_empty T$option.objects-symlinks.raw.de-sha || return 1
+ done &&
+
+ echo ./info/alternates >expected-files &&
+ test_cmp expected-files T--shared.objects-files.raw &&
+ test_must_be_empty T--shared.objects-symlinks.raw
+'
+
test_done