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https://github.com/git/git
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![Alexander Potashev](/assets/img/avatar_default.png)
Reported-by: Tim Daly <daly@axiom-developer.org> Signed-off-by: Alexander Potashev <aspotashev@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
288 lines
7.3 KiB
C
288 lines
7.3 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 "dir.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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static const char * const builtin_add_usage[] = {
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"git add [options] [--] <filepattern>...",
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NULL
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};
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static int patch_interactive = 0, add_interactive = 0;
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static int take_worktree_changes;
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static void fill_pathspec_matches(const char **pathspec, char *seen, int specs)
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{
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int num_unmatched = 0, i;
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/*
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* Since we are walking the index as if we were walking the directory,
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* we have to mark the matched pathspec as seen; otherwise we will
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* mistakenly think that the user gave a pathspec that did not match
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* anything.
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*/
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for (i = 0; i < specs; i++)
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if (!seen[i])
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num_unmatched++;
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if (!num_unmatched)
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return;
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for (i = 0; i < active_nr; i++) {
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struct cache_entry *ce = active_cache[i];
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match_pathspec(pathspec, ce->name, ce_namelen(ce), 0, seen);
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}
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}
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static void prune_directory(struct dir_struct *dir, const char **pathspec, int prefix)
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{
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char *seen;
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int i, specs;
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struct dir_entry **src, **dst;
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for (specs = 0; pathspec[specs]; specs++)
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/* nothing */;
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seen = xcalloc(specs, 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 (match_pathspec(pathspec, entry->name, entry->len,
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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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fill_pathspec_matches(pathspec, seen, specs);
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for (i = 0; i < specs; i++) {
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if (!seen[i] && !file_exists(pathspec[i]))
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die("pathspec '%s' did not match any files",
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pathspec[i]);
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}
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free(seen);
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}
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static void fill_directory(struct dir_struct *dir, const char **pathspec,
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int ignored_too)
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{
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const char *path, *base;
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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->collect_ignored = 1;
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setup_standard_excludes(dir);
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}
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/*
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* Calculate common prefix for the pathspec, and
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* use that to optimize the directory walk
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*/
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baselen = common_prefix(pathspec);
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path = ".";
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base = "";
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if (baselen)
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path = base = xmemdupz(*pathspec, baselen);
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/* Read the directory and prune it */
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read_directory(dir, path, base, baselen, pathspec);
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if (pathspec)
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prune_directory(dir, pathspec, baselen);
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}
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static void refresh(int verbose, const char **pathspec)
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{
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char *seen;
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int i, specs;
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for (specs = 0; pathspec[specs]; specs++)
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/* nothing */;
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seen = xcalloc(specs, 1);
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refresh_index(&the_index, verbose ? REFRESH_SAY_CHANGED : REFRESH_QUIET,
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pathspec, seen);
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for (i = 0; i < specs; i++) {
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if (!seen[i])
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die("pathspec '%s' did not match any files", pathspec[i]);
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}
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free(seen);
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}
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static const char **validate_pathspec(int argc, const char **argv, const char *prefix)
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{
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const char **pathspec = get_pathspec(prefix, argv);
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if (pathspec) {
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const char **p;
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for (p = pathspec; *p; p++) {
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if (has_symlink_leading_path(strlen(*p), *p)) {
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int len = prefix ? strlen(prefix) : 0;
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die("'%s' is beyond a symbolic link", *p + len);
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}
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}
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}
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return pathspec;
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}
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int interactive_add(int argc, const char **argv, const char *prefix)
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{
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int status, ac;
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const char **args;
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const char **pathspec = NULL;
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if (argc) {
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pathspec = validate_pathspec(argc, argv, prefix);
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if (!pathspec)
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return -1;
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}
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args = xcalloc(sizeof(const char *), (argc + 4));
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ac = 0;
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args[ac++] = "add--interactive";
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if (patch_interactive)
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args[ac++] = "--patch";
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args[ac++] = "--";
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if (argc) {
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memcpy(&(args[ac]), pathspec, sizeof(const char *) * argc);
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ac += argc;
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}
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args[ac] = NULL;
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status = run_command_v_opt(args, RUN_GIT_CMD);
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free(args);
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return status;
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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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"The following paths are ignored by one of your .gitignore files:\n";
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static int verbose = 0, show_only = 0, ignored_too = 0, refresh_only = 0;
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static int ignore_add_errors, addremove, intent_to_add;
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static struct option builtin_add_options[] = {
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OPT__DRY_RUN(&show_only),
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OPT__VERBOSE(&verbose),
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OPT_GROUP(""),
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OPT_BOOLEAN('i', "interactive", &add_interactive, "interactive picking"),
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OPT_BOOLEAN('p', "patch", &patch_interactive, "interactive patching"),
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OPT_BOOLEAN('f', "force", &ignored_too, "allow adding otherwise ignored files"),
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OPT_BOOLEAN('u', "update", &take_worktree_changes, "update tracked files"),
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OPT_BOOLEAN('N', "intent-to-add", &intent_to_add, "record only the fact that the path will be added later"),
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OPT_BOOLEAN('A', "all", &addremove, "add all, noticing removal of tracked files"),
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OPT_BOOLEAN( 0 , "refresh", &refresh_only, "don't add, only refresh the index"),
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OPT_BOOLEAN( 0 , "ignore-errors", &ignore_add_errors, "just skip files which cannot be added because of errors"),
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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 (!strcasecmp(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)
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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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die("no files added");
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}
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for (i = 0; i < dir->nr; i++)
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if (add_file_to_cache(dir->entries[i]->name, flags)) {
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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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int newfd;
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const char **pathspec;
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struct dir_struct dir;
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int flags;
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int add_new_files;
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int require_pathspec;
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argc = parse_options(argc, argv, builtin_add_options,
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builtin_add_usage, 0);
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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, argv, prefix));
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git_config(add_config, NULL);
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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 ((addremove || take_worktree_changes) && !argc) {
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static const char *here[2] = { ".", NULL };
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argc = 1;
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argv = here;
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}
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add_new_files = !take_worktree_changes && !refresh_only;
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require_pathspec = !take_worktree_changes;
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newfd = 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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pathspec = validate_pathspec(argc, argv, prefix);
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if (read_cache() < 0)
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die("index file corrupt");
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if (add_new_files)
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/* This picks up the paths that are not tracked */
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fill_directory(&dir, pathspec, ignored_too);
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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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exit_status |= add_files_to_cache(prefix, pathspec, flags);
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if (add_new_files)
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exit_status |= add_files(&dir, flags);
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finish:
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if (active_cache_changed) {
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if (write_cache(newfd, active_cache, active_nr) ||
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commit_locked_index(&lock_file))
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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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