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![Junio C Hamano](/assets/img/avatar_default.png)
When get_pathspec() was originally made absolute-path capable, we botched the interface to it, without dying inside the function when given a path that is outside the work tree, and made it the responsibility of callers to check the condition in a roundabout way. This is made unnecessary with the previous patch. Signed-off-by: Junio C Hamano <gitster@pobox.com>
268 lines
6.3 KiB
C
268 lines
6.3 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 "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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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, verbose;
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verbose = *((int *)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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add_file_to_cache(path, verbose);
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break;
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case DIFF_STATUS_DELETED:
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remove_file_from_cache(path);
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if (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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void add_files_to_cache(int verbose, const char *prefix, const char **pathspec)
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{
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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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rev.diffopt.format_callback_data = &verbose;
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run_diff_files(&rev, DIFF_RACY_IS_MODIFIED);
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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 ? 0 : REFRESH_QUIET, 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 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', NULL, &ignored_too, "allow adding otherwise ignored files"),
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OPT_BOOLEAN('u', NULL, &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_END(),
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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 i, newfd;
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const char **pathspec;
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struct dir_struct dir;
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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(git_default_config);
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newfd = hold_locked_index(&lock_file, 1);
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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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add_files_to_cache(verbose, prefix, pathspec);
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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 (show_only) {
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const char *sep = "", *eof = "";
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for (i = 0; i < dir.nr; i++) {
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printf("%s%s", sep, dir.entries[i]->name);
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sep = " ";
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eof = "\n";
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}
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fputs(eof, stdout);
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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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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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add_file_to_cache(dir.entries[i]->name, verbose);
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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 0;
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}
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