Clarify that "git log x.c y.h" lists commits that touch either file
[gitweb.git] / builtin-add.c
index cf815a0b8ef0e588cfaf25f71747ba7248d19d70..fc3f96eaefff91e4e85adb92162716939f0ecd72 100644 (file)
 #include "parse-options.h"
 
 static const char * const builtin_add_usage[] = {
-       "git-add [options] [--] <filepattern>...",
+       "git add [options] [--] <filepattern>...",
        NULL
 };
-
+static int patch_interactive = 0, add_interactive = 0;
 static int take_worktree_changes;
 
 static void prune_directory(struct dir_struct *dir, const char **pathspec, int prefix)
@@ -79,12 +79,18 @@ static void fill_directory(struct dir_struct *dir, const char **pathspec,
                prune_directory(dir, pathspec, baselen);
 }
 
+struct update_callback_data
+{
+       int flags;
+       int add_errors;
+};
+
 static void update_callback(struct diff_queue_struct *q,
                            struct diff_options *opt, void *cbdata)
 {
-       int i, verbose;
+       int i;
+       struct update_callback_data *data = cbdata;
 
-       verbose = *((int *)cbdata);
        for (i = 0; i < q->nr; i++) {
                struct diff_filepair *p = q->queue[i];
                const char *path = p->one->path;
@@ -94,27 +100,36 @@ static void update_callback(struct diff_queue_struct *q,
                case DIFF_STATUS_UNMERGED:
                case DIFF_STATUS_MODIFIED:
                case DIFF_STATUS_TYPE_CHANGED:
-                       add_file_to_cache(path, verbose);
+                       if (add_file_to_cache(path, data->flags)) {
+                               if (!(data->flags & ADD_CACHE_IGNORE_ERRORS))
+                                       die("updating files failed");
+                               data->add_errors++;
+                       }
                        break;
                case DIFF_STATUS_DELETED:
-                       remove_file_from_cache(path);
-                       if (verbose)
+                       if (!(data->flags & ADD_CACHE_PRETEND))
+                               remove_file_from_cache(path);
+                       if (data->flags & (ADD_CACHE_PRETEND|ADD_CACHE_VERBOSE))
                                printf("remove '%s'\n", path);
                        break;
                }
        }
 }
 
-void add_files_to_cache(int verbose, const char *prefix, const char **files)
+int add_files_to_cache(const char *prefix, const char **pathspec, int flags)
 {
+       struct update_callback_data data;
        struct rev_info rev;
        init_revisions(&rev, prefix);
        setup_revisions(0, NULL, &rev, NULL);
-       rev.prune_data = get_pathspec(prefix, files);
+       rev.prune_data = pathspec;
        rev.diffopt.output_format = DIFF_FORMAT_CALLBACK;
        rev.diffopt.format_callback = update_callback;
-       rev.diffopt.format_callback_data = &verbose;
+       data.flags = flags;
+       data.add_errors = 0;
+       rev.diffopt.format_callback_data = &data;
        run_diff_files(&rev, DIFF_RACY_IS_MODIFIED);
+       return !!data.add_errors;
 }
 
 static void refresh(int verbose, const char **pathspec)
@@ -125,9 +140,8 @@ static void refresh(int verbose, const char **pathspec)
        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);
+       refresh_index(&the_index, verbose ? REFRESH_SAY_CHANGED : REFRESH_QUIET,
+                     pathspec, seen);
        for (i = 0; i < specs; i++) {
                if (!seen[i])
                        die("pathspec '%s' did not match any files", pathspec[i]);
@@ -135,11 +149,40 @@ static void refresh(int verbose, const char **pathspec)
         free(seen);
 }
 
-int interactive_add(void)
+static const char **validate_pathspec(int argc, const char **argv, const char *prefix)
 {
-       const char *argv[2] = { "add--interactive", NULL };
+       const char **pathspec = get_pathspec(prefix, argv);
+
+       return pathspec;
+}
+
+int interactive_add(int argc, const char **argv, const char *prefix)
+{
+       int status, ac;
+       const char **args;
+       const char **pathspec = NULL;
+
+       if (argc) {
+               pathspec = validate_pathspec(argc, argv, prefix);
+               if (!pathspec)
+                       return -1;
+       }
+
+       args = xcalloc(sizeof(const char *), (argc + 4));
+       ac = 0;
+       args[ac++] = "add--interactive";
+       if (patch_interactive)
+               args[ac++] = "--patch";
+       args[ac++] = "--";
+       if (argc) {
+               memcpy(&(args[ac]), pathspec, sizeof(const char *) * argc);
+               ac += argc;
+       }
+       args[ac] = NULL;
 
-       return run_command_v_opt(argv, RUN_GIT_CMD);
+       status = run_command_v_opt(args, RUN_GIT_CMD);
+       free(args);
+       return status;
 }
 
 static struct lock_file lock_file;
@@ -148,90 +191,123 @@ static const char ignore_error[] =
 "The following paths are ignored by one of your .gitignore files:\n";
 
 static int verbose = 0, show_only = 0, ignored_too = 0, refresh_only = 0;
-static int add_interactive = 0;
+static int ignore_add_errors, addremove;
 
 static struct option builtin_add_options[] = {
        OPT__DRY_RUN(&show_only),
        OPT__VERBOSE(&verbose),
        OPT_GROUP(""),
        OPT_BOOLEAN('i', "interactive", &add_interactive, "interactive picking"),
-       OPT_BOOLEAN('f', NULL, &ignored_too, "allow adding otherwise ignored files"),
-       OPT_BOOLEAN('u', NULL, &take_worktree_changes, "update tracked files"),
+       OPT_BOOLEAN('p', "patch", &patch_interactive, "interactive patching"),
+       OPT_BOOLEAN('f', "force", &ignored_too, "allow adding otherwise ignored files"),
+       OPT_BOOLEAN('u', "update", &take_worktree_changes, "update tracked files"),
+       OPT_BOOLEAN('A', "all", &addremove, "add all, noticing removal of tracked files"),
        OPT_BOOLEAN( 0 , "refresh", &refresh_only, "don't add, only refresh the index"),
+       OPT_BOOLEAN( 0 , "ignore-errors", &ignore_add_errors, "just skip files which cannot be added because of errors"),
        OPT_END(),
 };
 
+static int add_config(const char *var, const char *value, void *cb)
+{
+       if (!strcasecmp(var, "add.ignore-errors")) {
+               ignore_add_errors = git_config_bool(var, value);
+               return 0;
+       }
+       return git_default_config(var, value, cb);
+}
+
+static int add_files(struct dir_struct *dir, int flags)
+{
+       int i, exit_status = 0;
+
+       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++)
+               if (add_file_to_cache(dir->entries[i]->name, flags)) {
+                       if (!ignore_add_errors)
+                               die("adding files failed");
+                       exit_status = 1;
+               }
+       return exit_status;
+}
+
 int cmd_add(int argc, const char **argv, const char *prefix)
 {
-       int i, newfd, orig_argc = argc;
+       int exit_status = 0;
+       int newfd;
        const char **pathspec;
        struct dir_struct dir;
+       int flags;
+       int add_new_files;
+       int require_pathspec;
 
        argc = parse_options(argc, argv, builtin_add_options,
                          builtin_add_usage, 0);
-       if (add_interactive) {
-               if (add_interactive != 1 || orig_argc != 2)
-                       die("add --interactive does not take any parameters");
-               exit(interactive_add());
+       if (patch_interactive)
+               add_interactive = 1;
+       if (add_interactive)
+               exit(interactive_add(argc, argv, prefix));
+
+       git_config(add_config, NULL);
+
+       if (addremove && take_worktree_changes)
+               die("-A and -u are mutually incompatible");
+       if (addremove && !argc) {
+               static const char *here[2] = { ".", NULL };
+               argc = 1;
+               argv = here;
        }
 
-       git_config(git_default_config);
+       add_new_files = !take_worktree_changes && !refresh_only;
+       require_pathspec = !take_worktree_changes;
 
        newfd = hold_locked_index(&lock_file, 1);
 
-       if (take_worktree_changes) {
-               if (read_cache() < 0)
-                       die("index file corrupt");
-               add_files_to_cache(verbose, prefix, argv);
-               goto finish;
-       }
+       flags = ((verbose ? ADD_CACHE_VERBOSE : 0) |
+                (show_only ? ADD_CACHE_PRETEND : 0) |
+                (ignore_add_errors ? ADD_CACHE_IGNORE_ERRORS : 0));
 
-       if (argc == 0) {
+       if (require_pathspec && argc == 0) {
                fprintf(stderr, "Nothing specified, nothing added.\n");
                fprintf(stderr, "Maybe you wanted to say 'git add .'?\n");
                return 0;
        }
        pathspec = get_pathspec(prefix, argv);
 
-       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++) {
-                       printf("%s%s", sep, dir.entries[i]->name);
-                       sep = " ";
-                       eof = "\n";
-               }
-               fputs(eof, stdout);
-               return 0;
-       }
+       /*
+        * If we are adding new files, we need to scan the working
+        * tree to find the ones that match pathspecs; this needs
+        * to be done before we read the index.
+        */
+       if (add_new_files)
+               fill_directory(&dir, pathspec, ignored_too);
 
        if (read_cache() < 0)
                die("index file corrupt");
 
-       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");
+       if (refresh_only) {
+               refresh(verbose, pathspec);
+               goto finish;
        }
 
-       for (i = 0; i < dir.nr; i++)
-               add_file_to_cache(dir.entries[i]->name, verbose);
+       if (take_worktree_changes || addremove)
+               exit_status |= add_files_to_cache(prefix, pathspec, flags);
+
+       if (add_new_files)
+               exit_status |= add_files(&dir, flags);
 
  finish:
        if (active_cache_changed) {
                if (write_cache(newfd, active_cache, active_nr) ||
-                   close(newfd) || commit_locked_index(&lock_file))
+                   commit_locked_index(&lock_file))
                        die("Unable to write new index file");
        }
 
-       return 0;
+       return exit_status;
 }