mirror of
https://github.com/git/git.git
synced 2024-11-18 21:54:49 +01:00
d14e7407b3
"git update-index --refresh", "git reset" and "git add --refresh" have reported paths that have local modifications as "needs update" since the beginning of git. Although this is logically correct in that you need to update the index at that path before you can commit that change, it is now becoming more and more clear, especially with the continuous push for user friendliness since 1.5.0 series, that the message is suboptimal. After all, the change may be something the user might want to get rid of, and "updating" would be absolutely a wrong thing to do if that is the case. I prepared two alternatives to solve this. Both aim to reword the message to more neutral "locally modified". This patch is a more intrusive variant that changes the message for only Porcelain commands ("add" and "reset") while keeping the plumbing "update-index" intact. Signed-off-by: Junio C Hamano <gitster@pobox.com>
294 lines
7.2 KiB
C
294 lines
7.2 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 "diff.h"
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#include "diffcore.h"
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#include "commit.h"
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#include "revision.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 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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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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struct update_callback_data
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{
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int flags;
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int add_errors;
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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 (p->status) {
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default:
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die("unexpected diff status %c", p->status);
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case DIFF_STATUS_UNMERGED:
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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_cache(path, data->flags)) {
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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_PRETEND))
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remove_file_from_cache(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 char **pathspec, int flags)
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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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init_revisions(&rev, prefix);
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setup_revisions(0, NULL, &rev, NULL);
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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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data.flags = flags;
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data.add_errors = 0;
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rev.diffopt.format_callback_data = &data;
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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 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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if (read_cache() < 0)
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die("index file corrupt");
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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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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;
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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( 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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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 i, 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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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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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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(ignore_add_errors ? ADD_CACHE_IGNORE_ERRORS : 0));
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if (take_worktree_changes) {
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const char **pathspec;
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if (read_cache() < 0)
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die("index file corrupt");
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pathspec = get_pathspec(prefix, argv);
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exit_status = add_files_to_cache(prefix, pathspec, flags);
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goto finish;
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}
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if (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 = get_pathspec(prefix, argv);
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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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fill_directory(&dir, pathspec, ignored_too);
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if (read_cache() < 0)
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die("index file corrupt");
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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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}
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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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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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