X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=builtin-add.c;h=f9a65803d8dcbb9ae7eb3a3c61d8ac345b84d1cd;hb=c2e6b6d0d1e97c5bc2db24388e247bef62faf917;hp=9fcf514dbc4cb76e15b47142e77c4019997ecd5d;hpb=1589e0517fd22c198799504d6888d5a475024152;p=git.git

diff --git a/builtin-add.c b/builtin-add.c
index 9fcf514db..f9a65803d 100644
--- a/builtin-add.c
+++ b/builtin-add.c
@@ -8,10 +8,15 @@
 #include "dir.h"
 #include "exec_cmd.h"
 #include "cache-tree.h"
+#include "diff.h"
+#include "diffcore.h"
+#include "commit.h"
+#include "revision.h"
 
 static const char builtin_add_usage[] =
-"git-add [-n] [-v] [-f] [--interactive | -i] [--] <filepattern>...";
+"git-add [-n] [-v] [-f] [--interactive | -i] [-u] [--refresh] [--] <filepattern>...";
 
+static int take_worktree_changes;
 static const char *excludes_file;
 
 static void prune_directory(struct dir_struct *dir, const char **pathspec, int prefix)
@@ -35,42 +40,29 @@ static void prune_directory(struct dir_struct *dir, const char **pathspec, int p
 	dir->nr = dst - dir->entries;
 
 	for (i = 0; i < specs; i++) {
-		struct stat st;
-		const char *match;
-		if (seen[i])
-			continue;
-
-		match = pathspec[i];
-		if (!match[0])
-			continue;
-
-		/* Existing file? We must have ignored it */
-		if (!lstat(match, &st)) {
-			struct dir_entry *ent;
-
-			ent = dir_add_name(dir, match, strlen(match));
-			ent->ignored = 1;
-			if (S_ISDIR(st.st_mode))
-				ent->ignored_dir = 1;
-			continue;
-		}
-		die("pathspec '%s' did not match any files", match);
+		if (!seen[i] && !file_exists(pathspec[i]))
+			die("pathspec '%s' did not match any files",
+					pathspec[i]);
 	}
 }
 
-static void fill_directory(struct dir_struct *dir, const char **pathspec)
+static void fill_directory(struct dir_struct *dir, const char **pathspec,
+		int ignored_too)
 {
 	const char *path, *base;
 	int baselen;
 
 	/* Set up the default git porcelain excludes */
 	memset(dir, 0, sizeof(*dir));
-	dir->exclude_per_dir = ".gitignore";
-	path = git_path("info/exclude");
-	if (!access(path, R_OK))
-		add_excludes_from_file(dir, path);
-	if (!access(excludes_file, R_OK))
-		add_excludes_from_file(dir, excludes_file);
+	if (!ignored_too) {
+		dir->collect_ignored = 1;
+		dir->exclude_per_dir = ".gitignore";
+		path = git_path("info/exclude");
+		if (!access(path, R_OK))
+			add_excludes_from_file(dir, path);
+		if (excludes_file != NULL && !access(excludes_file, R_OK))
+			add_excludes_from_file(dir, excludes_file);
+	}
 
 	/*
 	 * Calculate common prefix for the pathspec, and
@@ -79,19 +71,72 @@ static void fill_directory(struct dir_struct *dir, const char **pathspec)
 	baselen = common_prefix(pathspec);
 	path = ".";
 	base = "";
-	if (baselen) {
-		char *common = xmalloc(baselen + 1);
-		memcpy(common, *pathspec, baselen);
-		common[baselen] = 0;
-		path = base = common;
-	}
+	if (baselen)
+		path = base = xmemdupz(*pathspec, baselen);
 
 	/* Read the directory and prune it */
-	read_directory(dir, path, base, baselen);
+	read_directory(dir, path, base, baselen, pathspec);
 	if (pathspec)
 		prune_directory(dir, pathspec, baselen);
 }
 
+static void update_callback(struct diff_queue_struct *q,
+			    struct diff_options *opt, void *cbdata)
+{
+	int i, verbose;
+
+	verbose = *((int *)cbdata);
+	for (i = 0; i < q->nr; i++) {
+		struct diff_filepair *p = q->queue[i];
+		const char *path = p->one->path;
+		switch (p->status) {
+		default:
+			die("unexpected diff status %c", p->status);
+		case DIFF_STATUS_UNMERGED:
+		case DIFF_STATUS_MODIFIED:
+		case DIFF_STATUS_TYPE_CHANGED:
+			add_file_to_cache(path, verbose);
+			break;
+		case DIFF_STATUS_DELETED:
+			remove_file_from_cache(path);
+			if (verbose)
+				printf("remove '%s'\n", path);
+			break;
+		}
+	}
+}
+
+static void update(int verbose, const char *prefix, const char **files)
+{
+	struct rev_info rev;
+	init_revisions(&rev, prefix);
+	setup_revisions(0, NULL, &rev, NULL);
+	rev.prune_data = get_pathspec(prefix, files);
+	rev.diffopt.output_format = DIFF_FORMAT_CALLBACK;
+	rev.diffopt.format_callback = update_callback;
+	rev.diffopt.format_callback_data = &verbose;
+	if (read_cache() < 0)
+		die("index file corrupt");
+	run_diff_files(&rev, 0);
+}
+
+static void refresh(int verbose, const char **pathspec)
+{
+	char *seen;
+	int i, specs;
+
+	for (specs = 0; pathspec[specs];  specs++)
+		/* nothing */;
+	seen = xcalloc(specs, 1);
+	if (read_cache() < 0)
+		die("index file corrupt");
+	refresh_index(&the_index, verbose ? 0 : REFRESH_QUIET, pathspec, seen);
+	for (i = 0; i < specs; i++) {
+		if (!seen[i])
+			die("pathspec '%s' did not match any files", pathspec[i]);
+	}
+}
+
 static int git_add_config(const char *var, const char *value)
 {
 	if (!strcmp(var, "core.excludesfile")) {
@@ -106,13 +151,13 @@ static int git_add_config(const char *var, const char *value)
 
 static struct lock_file lock_file;
 
-static const char ignore_warning[] =
+static const char ignore_error[] =
 "The following paths are ignored by one of your .gitignore files:\n";
 
 int cmd_add(int argc, const char **argv, const char *prefix)
 {
 	int i, newfd;
-	int verbose = 0, show_only = 0, ignored_too = 0;
+	int verbose = 0, show_only = 0, ignored_too = 0, refresh_only = 0;
 	const char **pathspec;
 	struct dir_struct dir;
 	int add_interactive = 0;
@@ -133,7 +178,7 @@ int cmd_add(int argc, const char **argv, const char *prefix)
 
 	git_config(git_add_config);
 
-	newfd = hold_lock_file_for_update(&lock_file, get_index_file(), 1);
+	newfd = hold_locked_index(&lock_file, 1);
 
 	for (i = 1; i < argc; i++) {
 		const char *arg = argv[i];
@@ -156,8 +201,22 @@ int cmd_add(int argc, const char **argv, const char *prefix)
 			verbose = 1;
 			continue;
 		}
+		if (!strcmp(arg, "-u")) {
+			take_worktree_changes = 1;
+			continue;
+		}
+		if (!strcmp(arg, "--refresh")) {
+			refresh_only = 1;
+			continue;
+		}
 		usage(builtin_add_usage);
 	}
+
+	if (take_worktree_changes) {
+		update(verbose, prefix, argv + i);
+		goto finish;
+	}
+
 	if (argc <= i) {
 		fprintf(stderr, "Nothing specified, nothing added.\n");
 		fprintf(stderr, "Maybe you wanted to say 'git add .'?\n");
@@ -165,13 +224,16 @@ int cmd_add(int argc, const char **argv, const char *prefix)
 	}
 	pathspec = get_pathspec(prefix, argv + i);
 
-	fill_directory(&dir, pathspec);
+	if (refresh_only) {
+		refresh(verbose, pathspec);
+		goto finish;
+	}
+
+	fill_directory(&dir, pathspec, ignored_too);
 
 	if (show_only) {
 		const char *sep = "", *eof = "";
 		for (i = 0; i < dir.nr; i++) {
-			if (!ignored_too && dir.entries[i]->ignored)
-				continue;
 			printf("%s%s", sep, dir.entries[i]->name);
 			sep = " ";
 			eof = "\n";
@@ -183,33 +245,22 @@ int cmd_add(int argc, const char **argv, const char *prefix)
 	if (read_cache() < 0)
 		die("index file corrupt");
 
-	if (!ignored_too) {
-		int has_ignored = 0;
-		for (i = 0; i < dir.nr; i++)
-			if (dir.entries[i]->ignored)
-				has_ignored = 1;
-		if (has_ignored) {
-			fprintf(stderr, ignore_warning);
-			for (i = 0; i < dir.nr; i++) {
-				if (!dir.entries[i]->ignored)
-					continue;
-				fprintf(stderr, "%s", dir.entries[i]->name);
-				if (dir.entries[i]->ignored_dir)
-					fprintf(stderr, " (directory)");
-				fputc('\n', stderr);
-			}
-			fprintf(stderr,
-				"Use -f if you really want to add them.\n");
-			exit(1);
+	if (dir.ignored_nr) {
+		fprintf(stderr, ignore_error);
+		for (i = 0; i < dir.ignored_nr; i++) {
+			fprintf(stderr, "%s\n", dir.ignored[i]->name);
 		}
+		fprintf(stderr, "Use -f if you really want to add them.\n");
+		die("no files added");
 	}
 
 	for (i = 0; i < dir.nr; i++)
-		add_file_to_index(dir.entries[i]->name, verbose);
+		add_file_to_cache(dir.entries[i]->name, verbose);
 
+ finish:
 	if (active_cache_changed) {
 		if (write_cache(newfd, active_cache, active_nr) ||
-		    close(newfd) || commit_lock_file(&lock_file))
+		    close(newfd) || commit_locked_index(&lock_file))
 			die("Unable to write new index file");
 	}