summaryrefslogtreecommitdiff
path: root/builtin/reset.c
diff options
context:
space:
mode:
Diffstat (limited to 'builtin/reset.c')
-rw-r--r--builtin/reset.c135
1 files changed, 121 insertions, 14 deletions
diff --git a/builtin/reset.c b/builtin/reset.c
index 43e855cb88..b97745ee94 100644
--- a/builtin/reset.c
+++ b/builtin/reset.c
@@ -25,6 +25,7 @@
#include "cache-tree.h"
#include "submodule.h"
#include "submodule-config.h"
+#include "dir.h"
#define REFRESH_INDEX_DELAY_WARNING_IN_MS (2 * 1000)
@@ -67,12 +68,18 @@ static int reset_index(const char *ref, const struct object_id *oid, int reset_t
case KEEP:
case MERGE:
opts.update = 1;
+ opts.preserve_ignored = 0; /* FIXME: !overwrite_ignore */
break;
case HARD:
opts.update = 1;
- /* fallthrough */
+ opts.reset = UNPACK_RESET_OVERWRITE_UNTRACKED;
+ break;
+ case MIXED:
+ opts.reset = UNPACK_RESET_PROTECT_UNTRACKED;
+ /* but opts.update=0, so working tree not updated */
+ break;
default:
- opts.reset = 1;
+ BUG("invalid reset_type passed to reset_index");
}
read_cache_unmerged();
@@ -130,21 +137,36 @@ static void update_index_from_diff(struct diff_queue_struct *q,
int intent_to_add = *(int *)data;
for (i = 0; i < q->nr; i++) {
+ int pos;
struct diff_filespec *one = q->queue[i]->one;
- int is_missing = !(one->mode && !is_null_oid(&one->oid));
+ int is_in_reset_tree = one->mode && !is_null_oid(&one->oid);
struct cache_entry *ce;
- if (is_missing && !intent_to_add) {
+ if (!is_in_reset_tree && !intent_to_add) {
remove_file_from_cache(one->path);
continue;
}
ce = make_cache_entry(&the_index, one->mode, &one->oid, one->path,
0, 0);
+
+ /*
+ * If the file 1) corresponds to an existing index entry with
+ * skip-worktree set, or 2) does not exist in the index but is
+ * outside the sparse checkout definition, add a skip-worktree bit
+ * to the new index entry. Note that a sparse index will be expanded
+ * if this entry is outside the sparse cone - this is necessary
+ * to properly construct the reset sparse directory.
+ */
+ pos = cache_name_pos(one->path, strlen(one->path));
+ if ((pos >= 0 && ce_skip_worktree(active_cache[pos])) ||
+ (pos < 0 && !path_in_sparse_checkout(one->path, &the_index)))
+ ce->ce_flags |= CE_SKIP_WORKTREE;
+
if (!ce)
die(_("make_cache_entry failed for path '%s'"),
one->path);
- if (is_missing) {
+ if (!is_in_reset_tree) {
ce->ce_flags |= CE_INTENT_TO_ADD;
set_object_name_for_intent_to_add_entry(ce);
}
@@ -152,6 +174,82 @@ static void update_index_from_diff(struct diff_queue_struct *q,
}
}
+static int pathspec_needs_expanded_index(const struct pathspec *pathspec)
+{
+ unsigned int i, pos;
+ int res = 0;
+ char *skip_worktree_seen = NULL;
+
+ /*
+ * When using a magic pathspec, assume for the sake of simplicity that
+ * the index needs to be expanded to match all matchable files.
+ */
+ if (pathspec->magic)
+ return 1;
+
+ for (i = 0; i < pathspec->nr; i++) {
+ struct pathspec_item item = pathspec->items[i];
+
+ /*
+ * If the pathspec item has a wildcard, the index should be expanded
+ * if the pathspec has the possibility of matching a subset of entries inside
+ * of a sparse directory (but not the entire directory).
+ *
+ * If the pathspec item is a literal path, the index only needs to be expanded
+ * if a) the pathspec isn't in the sparse checkout cone (to make sure we don't
+ * expand for in-cone files) and b) it doesn't match any sparse directories
+ * (since we can reset whole sparse directories without expanding them).
+ */
+ if (item.nowildcard_len < item.len) {
+ /*
+ * Special case: if the pattern is a path inside the cone
+ * followed by only wildcards, the pattern cannot match
+ * partial sparse directories, so we don't expand the index.
+ */
+ if (path_in_cone_mode_sparse_checkout(item.original, &the_index) &&
+ strspn(item.original + item.nowildcard_len, "*") == item.len - item.nowildcard_len)
+ continue;
+
+ for (pos = 0; pos < active_nr; pos++) {
+ struct cache_entry *ce = active_cache[pos];
+
+ if (!S_ISSPARSEDIR(ce->ce_mode))
+ continue;
+
+ /*
+ * If the pre-wildcard length is longer than the sparse
+ * directory name and the sparse directory is the first
+ * component of the pathspec, need to expand the index.
+ */
+ if (item.nowildcard_len > ce_namelen(ce) &&
+ !strncmp(item.original, ce->name, ce_namelen(ce))) {
+ res = 1;
+ break;
+ }
+
+ /*
+ * If the pre-wildcard length is shorter than the sparse
+ * directory and the pathspec does not match the whole
+ * directory, need to expand the index.
+ */
+ if (!strncmp(item.original, ce->name, item.nowildcard_len) &&
+ wildmatch(item.original, ce->name, 0)) {
+ res = 1;
+ break;
+ }
+ }
+ } else if (!path_in_cone_mode_sparse_checkout(item.original, &the_index) &&
+ !matches_skip_worktree(pathspec, i, &skip_worktree_seen))
+ res = 1;
+
+ if (res > 0)
+ break;
+ }
+
+ free(skip_worktree_seen);
+ return res;
+}
+
static int read_from_tree(const struct pathspec *pathspec,
struct object_id *tree_oid,
int intent_to_add)
@@ -164,7 +262,13 @@ static int read_from_tree(const struct pathspec *pathspec,
opt.format_callback = update_index_from_diff;
opt.format_callback_data = &intent_to_add;
opt.flags.override_submodule_config = 1;
+ opt.flags.recursive = 1;
opt.repo = the_repository;
+ opt.change = diff_change;
+ opt.add_remove = diff_addremove;
+
+ if (pathspec->nr && the_index.sparse_index && pathspec_needs_expanded_index(pathspec))
+ ensure_full_index(&the_index);
if (do_diff_cache(tree_oid, &opt))
return 1;
@@ -243,9 +347,6 @@ static void parse_args(struct pathspec *pathspec,
}
*rev_ret = rev;
- if (read_cache() < 0)
- die(_("index file corrupt"));
-
parse_pathspec(pathspec, 0,
PATHSPEC_PREFER_FULL |
(patch_mode ? PATHSPEC_PREFIX_ORIGIN : 0),
@@ -322,16 +423,16 @@ int cmd_reset(int argc, const char **argv, const char *prefix)
if (pathspec_from_file) {
if (patch_mode)
- die(_("--pathspec-from-file is incompatible with --patch"));
+ die(_("options '%s' and '%s' cannot be used together"), "--pathspec-from-file", "--patch");
if (pathspec.nr)
- die(_("--pathspec-from-file is incompatible with pathspec arguments"));
+ die(_("'%s' and pathspec arguments cannot be used together"), "--pathspec-from-file");
parse_pathspec_file(&pathspec, 0,
PATHSPEC_PREFER_FULL,
prefix, pathspec_from_file, pathspec_file_nul);
} else if (pathspec_file_nul) {
- die(_("--pathspec-file-nul requires --pathspec-from-file"));
+ die(_("the option '%s' requires '%s'"), "--pathspec-file-nul", "--pathspec-from-file");
}
unborn = !strcmp(rev, "HEAD") && get_oid("HEAD", &oid);
@@ -358,7 +459,7 @@ int cmd_reset(int argc, const char **argv, const char *prefix)
if (patch_mode) {
if (reset_type != NONE)
- die(_("--patch is incompatible with --{hard,mixed,soft}"));
+ die(_("options '%s' and '%s' cannot be used together"), "--patch", "--{hard,mixed,soft}");
trace2_cmd_mode("patch-interactive");
return run_add_interactive(rev, "--patch=reset", &pathspec);
}
@@ -389,7 +490,13 @@ int cmd_reset(int argc, const char **argv, const char *prefix)
_(reset_type_names[reset_type]));
if (intent_to_add && reset_type != MIXED)
- die(_("-N can only be used with --mixed"));
+ die(_("the option '%s' requires '%s'"), "-N", "--mixed");
+
+ prepare_repo_settings(the_repository);
+ the_repository->settings.command_requires_full_index = 0;
+
+ if (read_cache() < 0)
+ die(_("index file corrupt"));
/* Soft reset does not touch the index file nor the working tree
* at all, but requires them in a good order. Other resets reset
@@ -412,7 +519,7 @@ int cmd_reset(int argc, const char **argv, const char *prefix)
refresh_index(&the_index, flags, NULL, NULL,
_("Unstaged changes after reset:"));
t_delta_in_ms = (getnanotime() - t_begin) / 1000000;
- if (advice_reset_quiet_warning && t_delta_in_ms > REFRESH_INDEX_DELAY_WARNING_IN_MS) {
+ if (advice_enabled(ADVICE_RESET_QUIET_WARNING) && t_delta_in_ms > REFRESH_INDEX_DELAY_WARNING_IN_MS) {
printf(_("\nIt took %.2f seconds to enumerate unstaged changes after reset. You can\n"
"use '--quiet' to avoid this. Set the config setting reset.quiet to true\n"
"to make this the default.\n"), t_delta_in_ms / 1000.0);