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![Edward Thomson](/assets/img/avatar_default.png)
The executable bit will not be detected (and therefore will not be set) for paths in a repository with `core.filemode` set to false, though the users may still wish to add files as executable for compatibility with other users who _do_ have `core.filemode` functionality. For example, Windows users adding shell scripts may wish to add them as executable for compatibility with users on non-Windows. Although this can be done with a plumbing command (`git update-index --add --chmod=+x foo`), teaching the `git-add` command allows users to set a file executable with a command that they're already familiar with. Signed-off-by: Edward Thomson <ethomson@edwardthomson.com> Helped-by: Johannes Schindelin <johannes.schindelin@gmx.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
459 lines
13 KiB
C
459 lines
13 KiB
C
/*
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* "git add" builtin command
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*
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* Copyright (C) 2006 Linus Torvalds
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*/
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#include "cache.h"
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#include "builtin.h"
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#include "lockfile.h"
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#include "dir.h"
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#include "pathspec.h"
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#include "exec_cmd.h"
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#include "cache-tree.h"
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#include "run-command.h"
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#include "parse-options.h"
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#include "diff.h"
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#include "diffcore.h"
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#include "revision.h"
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#include "bulk-checkin.h"
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#include "argv-array.h"
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static const char * const builtin_add_usage[] = {
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N_("git add [<options>] [--] <pathspec>..."),
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NULL
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};
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static int patch_interactive, add_interactive, edit_interactive;
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static int take_worktree_changes;
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struct update_callback_data {
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int flags, force_mode;
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int add_errors;
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};
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static int fix_unmerged_status(struct diff_filepair *p,
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struct update_callback_data *data)
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{
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if (p->status != DIFF_STATUS_UNMERGED)
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return p->status;
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if (!(data->flags & ADD_CACHE_IGNORE_REMOVAL) && !p->two->mode)
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/*
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* This is not an explicit add request, and the
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* path is missing from the working tree (deleted)
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*/
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return DIFF_STATUS_DELETED;
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else
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/*
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* Either an explicit add request, or path exists
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* in the working tree. An attempt to explicitly
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* add a path that does not exist in the working tree
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* will be caught as an error by the caller immediately.
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*/
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return DIFF_STATUS_MODIFIED;
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}
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static void update_callback(struct diff_queue_struct *q,
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struct diff_options *opt, void *cbdata)
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{
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int i;
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struct update_callback_data *data = cbdata;
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for (i = 0; i < q->nr; i++) {
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struct diff_filepair *p = q->queue[i];
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const char *path = p->one->path;
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switch (fix_unmerged_status(p, data)) {
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default:
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die(_("unexpected diff status %c"), p->status);
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case DIFF_STATUS_MODIFIED:
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case DIFF_STATUS_TYPE_CHANGED:
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if (add_file_to_index(&the_index, path,
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data->flags, data->force_mode)) {
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if (!(data->flags & ADD_CACHE_IGNORE_ERRORS))
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die(_("updating files failed"));
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data->add_errors++;
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}
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break;
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case DIFF_STATUS_DELETED:
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if (data->flags & ADD_CACHE_IGNORE_REMOVAL)
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break;
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if (!(data->flags & ADD_CACHE_PRETEND))
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remove_file_from_index(&the_index, path);
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if (data->flags & (ADD_CACHE_PRETEND|ADD_CACHE_VERBOSE))
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printf(_("remove '%s'\n"), path);
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break;
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}
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}
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}
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int add_files_to_cache(const char *prefix, const struct pathspec *pathspec,
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int flags, int force_mode)
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{
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struct update_callback_data data;
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struct rev_info rev;
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memset(&data, 0, sizeof(data));
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data.flags = flags;
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data.force_mode = force_mode;
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init_revisions(&rev, prefix);
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setup_revisions(0, NULL, &rev, NULL);
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if (pathspec)
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copy_pathspec(&rev.prune_data, pathspec);
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rev.diffopt.output_format = DIFF_FORMAT_CALLBACK;
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rev.diffopt.format_callback = update_callback;
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rev.diffopt.format_callback_data = &data;
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rev.max_count = 0; /* do not compare unmerged paths with stage #2 */
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run_diff_files(&rev, DIFF_RACY_IS_MODIFIED);
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return !!data.add_errors;
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}
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static char *prune_directory(struct dir_struct *dir, struct pathspec *pathspec, int prefix)
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{
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char *seen;
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int i;
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struct dir_entry **src, **dst;
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seen = xcalloc(pathspec->nr, 1);
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src = dst = dir->entries;
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i = dir->nr;
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while (--i >= 0) {
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struct dir_entry *entry = *src++;
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if (dir_path_match(entry, pathspec, prefix, seen))
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*dst++ = entry;
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}
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dir->nr = dst - dir->entries;
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add_pathspec_matches_against_index(pathspec, seen);
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return seen;
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}
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static void refresh(int verbose, const struct pathspec *pathspec)
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{
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char *seen;
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int i;
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seen = xcalloc(pathspec->nr, 1);
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refresh_index(&the_index, verbose ? REFRESH_IN_PORCELAIN : REFRESH_QUIET,
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pathspec, seen, _("Unstaged changes after refreshing the index:"));
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for (i = 0; i < pathspec->nr; i++) {
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if (!seen[i])
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die(_("pathspec '%s' did not match any files"),
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pathspec->items[i].match);
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}
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free(seen);
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}
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int run_add_interactive(const char *revision, const char *patch_mode,
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const struct pathspec *pathspec)
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{
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int status, i;
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struct argv_array argv = ARGV_ARRAY_INIT;
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argv_array_push(&argv, "add--interactive");
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if (patch_mode)
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argv_array_push(&argv, patch_mode);
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if (revision)
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argv_array_push(&argv, revision);
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argv_array_push(&argv, "--");
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for (i = 0; i < pathspec->nr; i++)
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/* pass original pathspec, to be re-parsed */
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argv_array_push(&argv, pathspec->items[i].original);
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status = run_command_v_opt(argv.argv, RUN_GIT_CMD);
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argv_array_clear(&argv);
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return status;
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}
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int interactive_add(int argc, const char **argv, const char *prefix, int patch)
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{
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struct pathspec pathspec;
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parse_pathspec(&pathspec, 0,
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PATHSPEC_PREFER_FULL |
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PATHSPEC_SYMLINK_LEADING_PATH |
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PATHSPEC_PREFIX_ORIGIN,
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prefix, argv);
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return run_add_interactive(NULL,
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patch ? "--patch" : NULL,
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&pathspec);
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}
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static int edit_patch(int argc, const char **argv, const char *prefix)
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{
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char *file = git_pathdup("ADD_EDIT.patch");
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const char *apply_argv[] = { "apply", "--recount", "--cached",
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NULL, NULL };
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struct child_process child = CHILD_PROCESS_INIT;
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struct rev_info rev;
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int out;
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struct stat st;
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apply_argv[3] = file;
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git_config(git_diff_basic_config, NULL); /* no "diff" UI options */
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if (read_cache() < 0)
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die(_("Could not read the index"));
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init_revisions(&rev, prefix);
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rev.diffopt.context = 7;
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argc = setup_revisions(argc, argv, &rev, NULL);
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rev.diffopt.output_format = DIFF_FORMAT_PATCH;
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rev.diffopt.use_color = 0;
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DIFF_OPT_SET(&rev.diffopt, IGNORE_DIRTY_SUBMODULES);
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out = open(file, O_CREAT | O_WRONLY, 0666);
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if (out < 0)
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die(_("Could not open '%s' for writing."), file);
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rev.diffopt.file = xfdopen(out, "w");
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rev.diffopt.close_file = 1;
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if (run_diff_files(&rev, 0))
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die(_("Could not write patch"));
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if (launch_editor(file, NULL, NULL))
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die(_("editing patch failed"));
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if (stat(file, &st))
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die_errno(_("Could not stat '%s'"), file);
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if (!st.st_size)
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die(_("Empty patch. Aborted."));
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child.git_cmd = 1;
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child.argv = apply_argv;
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if (run_command(&child))
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die(_("Could not apply '%s'"), file);
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unlink(file);
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free(file);
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return 0;
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}
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static struct lock_file lock_file;
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static const char ignore_error[] =
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N_("The following paths are ignored by one of your .gitignore files:\n");
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static int verbose, show_only, ignored_too, refresh_only;
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static int ignore_add_errors, intent_to_add, ignore_missing;
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#define ADDREMOVE_DEFAULT 1
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static int addremove = ADDREMOVE_DEFAULT;
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static int addremove_explicit = -1; /* unspecified */
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static char *chmod_arg;
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static int ignore_removal_cb(const struct option *opt, const char *arg, int unset)
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{
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/* if we are told to ignore, we are not adding removals */
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*(int *)opt->value = !unset ? 0 : 1;
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return 0;
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}
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static struct option builtin_add_options[] = {
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OPT__DRY_RUN(&show_only, N_("dry run")),
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OPT__VERBOSE(&verbose, N_("be verbose")),
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OPT_GROUP(""),
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OPT_BOOL('i', "interactive", &add_interactive, N_("interactive picking")),
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OPT_BOOL('p', "patch", &patch_interactive, N_("select hunks interactively")),
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OPT_BOOL('e', "edit", &edit_interactive, N_("edit current diff and apply")),
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OPT__FORCE(&ignored_too, N_("allow adding otherwise ignored files")),
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OPT_BOOL('u', "update", &take_worktree_changes, N_("update tracked files")),
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OPT_BOOL('N', "intent-to-add", &intent_to_add, N_("record only the fact that the path will be added later")),
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OPT_BOOL('A', "all", &addremove_explicit, N_("add changes from all tracked and untracked files")),
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{ OPTION_CALLBACK, 0, "ignore-removal", &addremove_explicit,
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NULL /* takes no arguments */,
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N_("ignore paths removed in the working tree (same as --no-all)"),
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PARSE_OPT_NOARG, ignore_removal_cb },
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OPT_BOOL( 0 , "refresh", &refresh_only, N_("don't add, only refresh the index")),
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OPT_BOOL( 0 , "ignore-errors", &ignore_add_errors, N_("just skip files which cannot be added because of errors")),
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OPT_BOOL( 0 , "ignore-missing", &ignore_missing, N_("check if - even missing - files are ignored in dry run")),
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OPT_STRING( 0 , "chmod", &chmod_arg, N_("(+/-)x"), N_("override the executable bit of the listed files")),
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OPT_END(),
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};
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static int add_config(const char *var, const char *value, void *cb)
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{
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if (!strcmp(var, "add.ignoreerrors") ||
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!strcmp(var, "add.ignore-errors")) {
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ignore_add_errors = git_config_bool(var, value);
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return 0;
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}
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return git_default_config(var, value, cb);
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}
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static int add_files(struct dir_struct *dir, int flags, int force_mode)
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{
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int i, exit_status = 0;
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if (dir->ignored_nr) {
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fprintf(stderr, _(ignore_error));
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for (i = 0; i < dir->ignored_nr; i++)
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fprintf(stderr, "%s\n", dir->ignored[i]->name);
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fprintf(stderr, _("Use -f if you really want to add them.\n"));
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exit_status = 1;
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}
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for (i = 0; i < dir->nr; i++)
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if (add_file_to_index(&the_index, dir->entries[i]->name,
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flags, force_mode)) {
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if (!ignore_add_errors)
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die(_("adding files failed"));
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exit_status = 1;
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}
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return exit_status;
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}
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int cmd_add(int argc, const char **argv, const char *prefix)
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{
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int exit_status = 0;
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struct pathspec pathspec;
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struct dir_struct dir;
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int flags, force_mode;
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int add_new_files;
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int require_pathspec;
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char *seen = NULL;
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git_config(add_config, NULL);
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argc = parse_options(argc, argv, prefix, builtin_add_options,
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builtin_add_usage, PARSE_OPT_KEEP_ARGV0);
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if (patch_interactive)
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add_interactive = 1;
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if (add_interactive)
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exit(interactive_add(argc - 1, argv + 1, prefix, patch_interactive));
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if (edit_interactive)
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return(edit_patch(argc, argv, prefix));
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argc--;
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argv++;
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if (0 <= addremove_explicit)
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addremove = addremove_explicit;
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else if (take_worktree_changes && ADDREMOVE_DEFAULT)
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addremove = 0; /* "-u" was given but not "-A" */
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if (addremove && take_worktree_changes)
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die(_("-A and -u are mutually incompatible"));
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if (!take_worktree_changes && addremove_explicit < 0 && argc)
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/* Turn "git add pathspec..." to "git add -A pathspec..." */
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addremove = 1;
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if (!show_only && ignore_missing)
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die(_("Option --ignore-missing can only be used together with --dry-run"));
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if (!chmod_arg)
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force_mode = 0;
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else if (!strcmp(chmod_arg, "-x"))
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force_mode = 0666;
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else if (!strcmp(chmod_arg, "+x"))
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force_mode = 0777;
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else
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die(_("--chmod param '%s' must be either -x or +x"), chmod_arg);
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add_new_files = !take_worktree_changes && !refresh_only;
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require_pathspec = !(take_worktree_changes || (0 < addremove_explicit));
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hold_locked_index(&lock_file, 1);
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flags = ((verbose ? ADD_CACHE_VERBOSE : 0) |
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(show_only ? ADD_CACHE_PRETEND : 0) |
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(intent_to_add ? ADD_CACHE_INTENT : 0) |
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(ignore_add_errors ? ADD_CACHE_IGNORE_ERRORS : 0) |
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(!(addremove || take_worktree_changes)
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? ADD_CACHE_IGNORE_REMOVAL : 0));
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if (require_pathspec && argc == 0) {
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fprintf(stderr, _("Nothing specified, nothing added.\n"));
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fprintf(stderr, _("Maybe you wanted to say 'git add .'?\n"));
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return 0;
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}
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if (read_cache() < 0)
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die(_("index file corrupt"));
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/*
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* Check the "pathspec '%s' did not match any files" block
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* below before enabling new magic.
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*/
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parse_pathspec(&pathspec, 0,
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PATHSPEC_PREFER_FULL |
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PATHSPEC_SYMLINK_LEADING_PATH |
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PATHSPEC_STRIP_SUBMODULE_SLASH_EXPENSIVE,
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prefix, argv);
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if (add_new_files) {
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int baselen;
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/* Set up the default git porcelain excludes */
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memset(&dir, 0, sizeof(dir));
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if (!ignored_too) {
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dir.flags |= DIR_COLLECT_IGNORED;
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setup_standard_excludes(&dir);
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}
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/* This picks up the paths that are not tracked */
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baselen = fill_directory(&dir, &pathspec);
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if (pathspec.nr)
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seen = prune_directory(&dir, &pathspec, baselen);
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}
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if (refresh_only) {
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refresh(verbose, &pathspec);
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goto finish;
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}
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if (pathspec.nr) {
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int i;
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if (!seen)
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seen = find_pathspecs_matching_against_index(&pathspec);
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/*
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* file_exists() assumes exact match
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*/
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GUARD_PATHSPEC(&pathspec,
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PATHSPEC_FROMTOP |
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PATHSPEC_LITERAL |
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PATHSPEC_GLOB |
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PATHSPEC_ICASE |
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PATHSPEC_EXCLUDE);
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for (i = 0; i < pathspec.nr; i++) {
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const char *path = pathspec.items[i].match;
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if (pathspec.items[i].magic & PATHSPEC_EXCLUDE)
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continue;
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if (!seen[i] && path[0] &&
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((pathspec.items[i].magic &
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(PATHSPEC_GLOB | PATHSPEC_ICASE)) ||
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!file_exists(path))) {
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if (ignore_missing) {
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int dtype = DT_UNKNOWN;
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if (is_excluded(&dir, path, &dtype))
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dir_add_ignored(&dir, path, pathspec.items[i].len);
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} else
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die(_("pathspec '%s' did not match any files"),
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pathspec.items[i].original);
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}
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}
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free(seen);
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}
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plug_bulk_checkin();
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exit_status |= add_files_to_cache(prefix, &pathspec, flags, force_mode);
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if (add_new_files)
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exit_status |= add_files(&dir, flags, force_mode);
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unplug_bulk_checkin();
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finish:
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if (active_cache_changed) {
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if (write_locked_index(&the_index, &lock_file, COMMIT_LOCK))
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die(_("Unable to write new index file"));
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}
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return exit_status;
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}
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