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-rw-r--r--builtin/add.c134
1 files changed, 94 insertions, 40 deletions
diff --git a/builtin/add.c b/builtin/add.c
index ab1c9e8..daf02c6 100644
--- a/builtin/add.c
+++ b/builtin/add.c
@@ -26,8 +26,52 @@ static int take_worktree_changes;
struct update_callback_data {
int flags;
int add_errors;
+ const char *implicit_dot;
+ size_t implicit_dot_len;
};
+static const char *option_with_implicit_dot;
+static const char *short_option_with_implicit_dot;
+
+static void warn_pathless_add(void)
+{
+ static int shown;
+ assert(option_with_implicit_dot && short_option_with_implicit_dot);
+
+ if (shown)
+ return;
+ shown = 1;
+
+ /*
+ * To be consistent with "git add -p" and most Git
+ * commands, we should default to being tree-wide, but
+ * this is not the original behavior and can't be
+ * changed until users trained themselves not to type
+ * "git add -u" or "git add -A". For now, we warn and
+ * keep the old behavior. Later, the behavior can be changed
+ * to tree-wide, keeping the warning for a while, and
+ * eventually we can drop the warning.
+ */
+ warning(_("The behavior of 'git add %s (or %s)' with no path argument from a\n"
+ "subdirectory of the tree will change in Git 2.0 and should not be used anymore.\n"
+ "To add content for the whole tree, run:\n"
+ "\n"
+ " git add %s :/\n"
+ " (or git add %s :/)\n"
+ "\n"
+ "To restrict the command to the current directory, run:\n"
+ "\n"
+ " git add %s .\n"
+ " (or git add %s .)\n"
+ "\n"
+ "With the current Git version, the command is restricted to "
+ "the current directory.\n"
+ ""),
+ option_with_implicit_dot, short_option_with_implicit_dot,
+ option_with_implicit_dot, short_option_with_implicit_dot,
+ option_with_implicit_dot, short_option_with_implicit_dot);
+}
+
static int fix_unmerged_status(struct diff_filepair *p,
struct update_callback_data *data)
{
@@ -54,10 +98,26 @@ static void update_callback(struct diff_queue_struct *q,
{
int i;
struct update_callback_data *data = cbdata;
+ const char *implicit_dot = data->implicit_dot;
+ size_t implicit_dot_len = data->implicit_dot_len;
for (i = 0; i < q->nr; i++) {
struct diff_filepair *p = q->queue[i];
const char *path = p->one->path;
+ /*
+ * Check if "git add -A" or "git add -u" was run from a
+ * subdirectory with a modified file outside that directory,
+ * and warn if so.
+ *
+ * "git add -u" will behave like "git add -u :/" instead of
+ * "git add -u ." in the future. This warning prepares for
+ * that change.
+ */
+ if (implicit_dot &&
+ strncmp_icase(path, implicit_dot, implicit_dot_len)) {
+ warn_pathless_add();
+ continue;
+ }
switch (fix_unmerged_status(p, data)) {
default:
die(_("unexpected diff status %c"), p->status);
@@ -85,20 +145,34 @@ int add_files_to_cache(const char *prefix, const char **pathspec, int flags)
{
struct update_callback_data data;
struct rev_info rev;
+
+ memset(&data, 0, sizeof(data));
+ data.flags = flags & ~ADD_CACHE_IMPLICIT_DOT;
+ if ((flags & ADD_CACHE_IMPLICIT_DOT) && prefix) {
+ /*
+ * Check for modified files throughout the worktree so
+ * update_callback has a chance to warn about changes
+ * outside the cwd.
+ */
+ data.implicit_dot = prefix;
+ data.implicit_dot_len = strlen(prefix);
+ pathspec = NULL;
+ }
+
init_revisions(&rev, prefix);
setup_revisions(0, NULL, &rev, NULL);
init_pathspec(&rev.prune_data, pathspec);
rev.diffopt.output_format = DIFF_FORMAT_CALLBACK;
rev.diffopt.format_callback = update_callback;
- data.flags = flags;
- data.add_errors = 0;
rev.diffopt.format_callback_data = &data;
rev.max_count = 0; /* do not compare unmerged paths with stage #2 */
run_diff_files(&rev, DIFF_RACY_IS_MODIFIED);
return !!data.add_errors;
}
-static char *prune_directory(struct dir_struct *dir, const char **pathspec, int prefix)
+#define WARN_IMPLICIT_DOT (1u << 0)
+static char *prune_directory(struct dir_struct *dir, const char **pathspec,
+ int prefix, unsigned flag)
{
char *seen;
int i, specs;
@@ -115,6 +189,16 @@ static char *prune_directory(struct dir_struct *dir, const char **pathspec, int
if (match_pathspec(pathspec, entry->name, entry->len,
prefix, seen))
*dst++ = entry;
+ else if (flag & WARN_IMPLICIT_DOT)
+ /*
+ * "git add -A" was run from a subdirectory with a
+ * new file outside that directory.
+ *
+ * "git add -A" will behave like "git add -A :/"
+ * instead of "git add -A ." in the future.
+ * Warn about the coming behavior change.
+ */
+ warn_pathless_add();
}
dir->nr = dst - dir->entries;
add_pathspec_matches_against_index(pathspec, seen, specs);
@@ -321,35 +405,6 @@ static int add_files(struct dir_struct *dir, int flags)
return exit_status;
}
-static void warn_pathless_add(const char *option_name, const char *short_name) {
- /*
- * To be consistent with "git add -p" and most Git
- * commands, we should default to being tree-wide, but
- * this is not the original behavior and can't be
- * changed until users trained themselves not to type
- * "git add -u" or "git add -A". For now, we warn and
- * keep the old behavior. Later, the behavior can be changed
- * to tree-wide, keeping the warning for a while, and
- * eventually we can drop the warning.
- */
- warning(_("The behavior of 'git add %s (or %s)' with no path argument from a\n"
- "subdirectory of the tree will change in Git 2.0 and should not be used anymore.\n"
- "To add content for the whole tree, run:\n"
- "\n"
- " git add %s :/\n"
- " (or git add %s :/)\n"
- "\n"
- "To restrict the command to the current directory, run:\n"
- "\n"
- " git add %s .\n"
- " (or git add %s .)\n"
- "\n"
- "With the current Git version, the command is restricted to the current directory."),
- option_name, short_name,
- option_name, short_name,
- option_name, short_name);
-}
-
int cmd_add(int argc, const char **argv, const char *prefix)
{
int exit_status = 0;
@@ -360,8 +415,7 @@ int cmd_add(int argc, const char **argv, const char *prefix)
int add_new_files;
int require_pathspec;
char *seen = NULL;
- const char *option_with_implicit_dot = NULL;
- const char *short_option_with_implicit_dot = NULL;
+ int implicit_dot = 0;
git_config(add_config, NULL);
@@ -391,11 +445,9 @@ int cmd_add(int argc, const char **argv, const char *prefix)
}
if (option_with_implicit_dot && !argc) {
static const char *here[2] = { ".", NULL };
- if (prefix)
- warn_pathless_add(option_with_implicit_dot,
- short_option_with_implicit_dot);
argc = 1;
argv = here;
+ implicit_dot = 1;
}
add_new_files = !take_worktree_changes && !refresh_only;
@@ -408,7 +460,8 @@ int cmd_add(int argc, const char **argv, const char *prefix)
(intent_to_add ? ADD_CACHE_INTENT : 0) |
(ignore_add_errors ? ADD_CACHE_IGNORE_ERRORS : 0) |
(!(addremove || take_worktree_changes)
- ? ADD_CACHE_IGNORE_REMOVAL : 0));
+ ? ADD_CACHE_IGNORE_REMOVAL : 0)) |
+ (implicit_dot ? ADD_CACHE_IMPLICIT_DOT : 0);
if (require_pathspec && argc == 0) {
fprintf(stderr, _("Nothing specified, nothing added.\n"));
@@ -432,9 +485,10 @@ int cmd_add(int argc, const char **argv, const char *prefix)
}
/* This picks up the paths that are not tracked */
- baselen = fill_directory(&dir, pathspec);
+ baselen = fill_directory(&dir, implicit_dot ? NULL : pathspec);
if (pathspec)
- seen = prune_directory(&dir, pathspec, baselen);
+ seen = prune_directory(&dir, pathspec, baselen,
+ implicit_dot ? WARN_IMPLICIT_DOT : 0);
}
if (refresh_only) {