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https://github.com/git/git.git
synced 2024-05-23 04:26:10 +02:00
366bfcb68f
This brings the power of the index up front using a proper mental model without talking about the index at all. See for example how all the technical discussion has been evacuated from the git-add man page. Any content to be committed must be added together. Whether that content comes from new files or modified files doesn't matter. You just need to "add" it, either with git-add, or by providing git-commit with -a (for already known files only of course). No need for a separate command to distinguish new vs modified files please. That would only screw the mental model everybody should have when using GIT. Signed-off-by: Nicolas Pitre <nico@cam.org> Signed-off-by: Junio C Hamano <junkio@cox.net>
145 lines
3.0 KiB
C
145 lines
3.0 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 <fnmatch.h>
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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 "cache-tree.h"
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static const char builtin_add_usage[] =
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"git-add [-n] [-v] <filepattern>...";
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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, prefix, seen)) {
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free(entry);
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continue;
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}
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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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struct stat st;
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const char *match;
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if (seen[i])
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continue;
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/* Existing file? We must have ignored it */
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match = pathspec[i];
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if (!match[0] || !lstat(match, &st))
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continue;
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die("pathspec '%s' did not match any files", match);
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}
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}
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static void fill_directory(struct dir_struct *dir, const char **pathspec)
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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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dir->exclude_per_dir = ".gitignore";
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path = git_path("info/exclude");
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if (!access(path, R_OK))
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add_excludes_from_file(dir, path);
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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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char *common = xmalloc(baselen + 1);
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memcpy(common, *pathspec, baselen);
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common[baselen] = 0;
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path = base = common;
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}
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/* Read the directory and prune it */
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read_directory(dir, path, base, baselen);
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if (pathspec)
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prune_directory(dir, pathspec, baselen);
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}
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static struct lock_file lock_file;
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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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int verbose = 0, show_only = 0;
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const char **pathspec;
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struct dir_struct dir;
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git_config(git_default_config);
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newfd = hold_lock_file_for_update(&lock_file, get_index_file(), 1);
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for (i = 1; i < argc; i++) {
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const char *arg = argv[i];
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if (arg[0] != '-')
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break;
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if (!strcmp(arg, "--")) {
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i++;
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break;
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}
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if (!strcmp(arg, "-n")) {
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show_only = 1;
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continue;
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}
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if (!strcmp(arg, "-v")) {
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verbose = 1;
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continue;
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}
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usage(builtin_add_usage);
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}
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pathspec = get_pathspec(prefix, argv + i);
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fill_directory(&dir, pathspec);
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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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for (i = 0; i < dir.nr; i++)
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add_file_to_index(dir.entries[i]->name, verbose);
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if (active_cache_changed) {
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if (write_cache(newfd, active_cache, active_nr) ||
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close(newfd) || commit_lock_file(&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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