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![Brandon Williams](/assets/img/avatar_default.png)
Convert ls-files to use a repository struct and recurse submodules inprocess. Signed-off-by: Brandon Williams <bmwill@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
683 lines
19 KiB
C
683 lines
19 KiB
C
/*
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* This merges the file listing in the directory cache index
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* with the actual working directory list, and shows different
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* combinations of the two.
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*
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* Copyright (C) Linus Torvalds, 2005
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*/
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#define NO_THE_INDEX_COMPATIBILITY_MACROS
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#include "cache.h"
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#include "repository.h"
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#include "config.h"
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#include "quote.h"
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#include "dir.h"
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#include "builtin.h"
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#include "tree.h"
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#include "parse-options.h"
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#include "resolve-undo.h"
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#include "string-list.h"
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#include "pathspec.h"
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#include "run-command.h"
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#include "submodule.h"
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static int abbrev;
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static int show_deleted;
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static int show_cached;
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static int show_others;
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static int show_stage;
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static int show_unmerged;
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static int show_resolve_undo;
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static int show_modified;
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static int show_killed;
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static int show_valid_bit;
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static int line_terminator = '\n';
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static int debug_mode;
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static int show_eol;
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static int recurse_submodules;
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static const char *prefix;
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static int max_prefix_len;
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static int prefix_len;
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static struct pathspec pathspec;
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static int error_unmatch;
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static char *ps_matched;
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static const char *with_tree;
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static int exc_given;
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static int exclude_args;
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static const char *tag_cached = "";
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static const char *tag_unmerged = "";
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static const char *tag_removed = "";
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static const char *tag_other = "";
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static const char *tag_killed = "";
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static const char *tag_modified = "";
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static const char *tag_skip_worktree = "";
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static const char *tag_resolve_undo = "";
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static void write_eolinfo(const struct index_state *istate,
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const struct cache_entry *ce, const char *path)
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{
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if (show_eol) {
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struct stat st;
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const char *i_txt = "";
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const char *w_txt = "";
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const char *a_txt = get_convert_attr_ascii(path);
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if (ce && S_ISREG(ce->ce_mode))
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i_txt = get_cached_convert_stats_ascii(istate,
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ce->name);
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if (!lstat(path, &st) && S_ISREG(st.st_mode))
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w_txt = get_wt_convert_stats_ascii(path);
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printf("i/%-5s w/%-5s attr/%-17s\t", i_txt, w_txt, a_txt);
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}
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}
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static void write_name(const char *name)
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{
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/*
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* With "--full-name", prefix_len=0; this caller needs to pass
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* an empty string in that case (a NULL is good for "").
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*/
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write_name_quoted_relative(name, prefix_len ? prefix : NULL,
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stdout, line_terminator);
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}
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static const char *get_tag(const struct cache_entry *ce, const char *tag)
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{
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static char alttag[4];
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if (tag && *tag && show_valid_bit && (ce->ce_flags & CE_VALID)) {
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memcpy(alttag, tag, 3);
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if (isalpha(tag[0])) {
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alttag[0] = tolower(tag[0]);
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} else if (tag[0] == '?') {
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alttag[0] = '!';
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} else {
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alttag[0] = 'v';
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alttag[1] = tag[0];
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alttag[2] = ' ';
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alttag[3] = 0;
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}
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tag = alttag;
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}
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return tag;
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}
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static void print_debug(const struct cache_entry *ce)
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{
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if (debug_mode) {
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const struct stat_data *sd = &ce->ce_stat_data;
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printf(" ctime: %d:%d\n", sd->sd_ctime.sec, sd->sd_ctime.nsec);
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printf(" mtime: %d:%d\n", sd->sd_mtime.sec, sd->sd_mtime.nsec);
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printf(" dev: %d\tino: %d\n", sd->sd_dev, sd->sd_ino);
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printf(" uid: %d\tgid: %d\n", sd->sd_uid, sd->sd_gid);
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printf(" size: %d\tflags: %x\n", sd->sd_size, ce->ce_flags);
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}
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}
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static void show_dir_entry(const char *tag, struct dir_entry *ent)
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{
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int len = max_prefix_len;
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if (len > ent->len)
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die("git ls-files: internal error - directory entry not superset of prefix");
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if (!dir_path_match(ent, &pathspec, len, ps_matched))
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return;
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fputs(tag, stdout);
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write_eolinfo(NULL, NULL, ent->name);
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write_name(ent->name);
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}
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static void show_other_files(const struct index_state *istate,
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const struct dir_struct *dir)
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{
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int i;
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for (i = 0; i < dir->nr; i++) {
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struct dir_entry *ent = dir->entries[i];
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if (!index_name_is_other(istate, ent->name, ent->len))
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continue;
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show_dir_entry(tag_other, ent);
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}
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}
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static void show_killed_files(const struct index_state *istate,
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const struct dir_struct *dir)
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{
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int i;
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for (i = 0; i < dir->nr; i++) {
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struct dir_entry *ent = dir->entries[i];
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char *cp, *sp;
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int pos, len, killed = 0;
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for (cp = ent->name; cp - ent->name < ent->len; cp = sp + 1) {
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sp = strchr(cp, '/');
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if (!sp) {
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/* If ent->name is prefix of an entry in the
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* cache, it will be killed.
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*/
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pos = index_name_pos(istate, ent->name, ent->len);
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if (0 <= pos)
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die("BUG: killed-file %.*s not found",
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ent->len, ent->name);
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pos = -pos - 1;
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while (pos < istate->cache_nr &&
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ce_stage(istate->cache[pos]))
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pos++; /* skip unmerged */
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if (istate->cache_nr <= pos)
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break;
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/* pos points at a name immediately after
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* ent->name in the cache. Does it expect
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* ent->name to be a directory?
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*/
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len = ce_namelen(istate->cache[pos]);
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if ((ent->len < len) &&
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!strncmp(istate->cache[pos]->name,
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ent->name, ent->len) &&
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istate->cache[pos]->name[ent->len] == '/')
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killed = 1;
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break;
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}
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if (0 <= index_name_pos(istate, ent->name, sp - ent->name)) {
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/* If any of the leading directories in
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* ent->name is registered in the cache,
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* ent->name will be killed.
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*/
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killed = 1;
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break;
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}
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}
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if (killed)
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show_dir_entry(tag_killed, dir->entries[i]);
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}
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}
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static void show_files(struct repository *repo, struct dir_struct *dir);
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static void show_submodule(struct repository *superproject,
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struct dir_struct *dir, const char *path)
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{
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struct repository submodule;
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if (repo_submodule_init(&submodule, superproject, path))
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return;
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if (repo_read_index(&submodule) < 0)
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die("index file corrupt");
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repo_read_gitmodules(&submodule);
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show_files(&submodule, dir);
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repo_clear(&submodule);
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}
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static void show_ce(struct repository *repo, struct dir_struct *dir,
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const struct cache_entry *ce, const char *fullname,
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const char *tag)
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{
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if (max_prefix_len > strlen(fullname))
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die("git ls-files: internal error - cache entry not superset of prefix");
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if (recurse_submodules && S_ISGITLINK(ce->ce_mode) &&
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is_submodule_active(repo, ce->name)) {
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show_submodule(repo, dir, ce->name);
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} else if (match_pathspec(&pathspec, fullname, strlen(fullname),
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max_prefix_len, ps_matched,
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S_ISDIR(ce->ce_mode) ||
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S_ISGITLINK(ce->ce_mode))) {
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tag = get_tag(ce, tag);
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if (!show_stage) {
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fputs(tag, stdout);
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} else {
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printf("%s%06o %s %d\t",
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tag,
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ce->ce_mode,
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find_unique_abbrev(ce->oid.hash, abbrev),
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ce_stage(ce));
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}
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write_eolinfo(repo->index, ce, fullname);
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write_name(fullname);
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print_debug(ce);
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}
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}
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static void show_ru_info(const struct index_state *istate)
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{
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struct string_list_item *item;
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if (!istate->resolve_undo)
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return;
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for_each_string_list_item(item, istate->resolve_undo) {
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const char *path = item->string;
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struct resolve_undo_info *ui = item->util;
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int i, len;
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len = strlen(path);
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if (len < max_prefix_len)
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continue; /* outside of the prefix */
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if (!match_pathspec(&pathspec, path, len,
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max_prefix_len, ps_matched, 0))
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continue; /* uninterested */
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for (i = 0; i < 3; i++) {
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if (!ui->mode[i])
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continue;
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printf("%s%06o %s %d\t", tag_resolve_undo, ui->mode[i],
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find_unique_abbrev(ui->sha1[i], abbrev),
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i + 1);
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write_name(path);
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}
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}
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}
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static int ce_excluded(struct dir_struct *dir, struct index_state *istate,
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const char *fullname, const struct cache_entry *ce)
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{
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int dtype = ce_to_dtype(ce);
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return is_excluded(dir, istate, fullname, &dtype);
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}
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static void construct_fullname(struct strbuf *out, const struct repository *repo,
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const struct cache_entry *ce)
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{
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strbuf_reset(out);
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if (repo->submodule_prefix)
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strbuf_addstr(out, repo->submodule_prefix);
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strbuf_addstr(out, ce->name);
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}
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static void show_files(struct repository *repo, struct dir_struct *dir)
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{
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int i;
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struct strbuf fullname = STRBUF_INIT;
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/* For cached/deleted files we don't need to even do the readdir */
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if (show_others || show_killed) {
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if (!show_others)
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dir->flags |= DIR_COLLECT_KILLED_ONLY;
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fill_directory(dir, repo->index, &pathspec);
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if (show_others)
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show_other_files(repo->index, dir);
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if (show_killed)
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show_killed_files(repo->index, dir);
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}
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if (show_cached || show_stage) {
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for (i = 0; i < repo->index->cache_nr; i++) {
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const struct cache_entry *ce = repo->index->cache[i];
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construct_fullname(&fullname, repo, ce);
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if ((dir->flags & DIR_SHOW_IGNORED) &&
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!ce_excluded(dir, repo->index, fullname.buf, ce))
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continue;
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if (show_unmerged && !ce_stage(ce))
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continue;
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if (ce->ce_flags & CE_UPDATE)
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continue;
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show_ce(repo, dir, ce, fullname.buf,
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ce_stage(ce) ? tag_unmerged :
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(ce_skip_worktree(ce) ? tag_skip_worktree :
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tag_cached));
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}
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}
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if (show_deleted || show_modified) {
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for (i = 0; i < repo->index->cache_nr; i++) {
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const struct cache_entry *ce = repo->index->cache[i];
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struct stat st;
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int err;
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construct_fullname(&fullname, repo, ce);
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if ((dir->flags & DIR_SHOW_IGNORED) &&
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!ce_excluded(dir, repo->index, fullname.buf, ce))
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continue;
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if (ce->ce_flags & CE_UPDATE)
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continue;
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if (ce_skip_worktree(ce))
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continue;
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err = lstat(fullname.buf, &st);
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if (show_deleted && err)
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show_ce(repo, dir, ce, fullname.buf, tag_removed);
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if (show_modified && ie_modified(repo->index, ce, &st, 0))
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show_ce(repo, dir, ce, fullname.buf, tag_modified);
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}
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}
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strbuf_release(&fullname);
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}
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/*
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* Prune the index to only contain stuff starting with "prefix"
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*/
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static void prune_index(struct index_state *istate,
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const char *prefix, size_t prefixlen)
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{
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int pos;
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unsigned int first, last;
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if (!prefix)
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return;
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pos = index_name_pos(istate, prefix, prefixlen);
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if (pos < 0)
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pos = -pos-1;
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first = pos;
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last = istate->cache_nr;
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while (last > first) {
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int next = (last + first) >> 1;
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const struct cache_entry *ce = istate->cache[next];
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if (!strncmp(ce->name, prefix, prefixlen)) {
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first = next+1;
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continue;
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}
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last = next;
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}
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memmove(istate->cache, istate->cache + pos,
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(last - pos) * sizeof(struct cache_entry *));
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istate->cache_nr = last - pos;
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}
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static int get_common_prefix_len(const char *common_prefix)
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{
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int common_prefix_len;
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if (!common_prefix)
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return 0;
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common_prefix_len = strlen(common_prefix);
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/*
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* If the prefix has a trailing slash, strip it so that submodules wont
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* be pruned from the index.
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*/
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if (common_prefix[common_prefix_len - 1] == '/')
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common_prefix_len--;
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return common_prefix_len;
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}
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/*
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* Read the tree specified with --with-tree option
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* (typically, HEAD) into stage #1 and then
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* squash them down to stage #0. This is used for
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* --error-unmatch to list and check the path patterns
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* that were given from the command line. We are not
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* going to write this index out.
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*/
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void overlay_tree_on_index(struct index_state *istate,
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const char *tree_name, const char *prefix)
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{
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struct tree *tree;
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struct object_id oid;
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struct pathspec pathspec;
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struct cache_entry *last_stage0 = NULL;
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int i;
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if (get_oid(tree_name, &oid))
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die("tree-ish %s not found.", tree_name);
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tree = parse_tree_indirect(&oid);
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if (!tree)
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die("bad tree-ish %s", tree_name);
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/* Hoist the unmerged entries up to stage #3 to make room */
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for (i = 0; i < istate->cache_nr; i++) {
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struct cache_entry *ce = istate->cache[i];
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if (!ce_stage(ce))
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continue;
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ce->ce_flags |= CE_STAGEMASK;
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}
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if (prefix) {
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static const char *(matchbuf[1]);
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matchbuf[0] = NULL;
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parse_pathspec(&pathspec, PATHSPEC_ALL_MAGIC,
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PATHSPEC_PREFER_CWD, prefix, matchbuf);
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} else
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memset(&pathspec, 0, sizeof(pathspec));
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if (read_tree(tree, 1, &pathspec, istate))
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die("unable to read tree entries %s", tree_name);
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for (i = 0; i < istate->cache_nr; i++) {
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struct cache_entry *ce = istate->cache[i];
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switch (ce_stage(ce)) {
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case 0:
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last_stage0 = ce;
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/* fallthru */
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default:
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continue;
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case 1:
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/*
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* If there is stage #0 entry for this, we do not
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* need to show it. We use CE_UPDATE bit to mark
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* such an entry.
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*/
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if (last_stage0 &&
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!strcmp(last_stage0->name, ce->name))
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ce->ce_flags |= CE_UPDATE;
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}
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}
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}
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static const char * const ls_files_usage[] = {
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N_("git ls-files [<options>] [<file>...]"),
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NULL
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};
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static int option_parse_exclude(const struct option *opt,
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const char *arg, int unset)
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{
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struct string_list *exclude_list = opt->value;
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exc_given = 1;
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string_list_append(exclude_list, arg);
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return 0;
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}
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static int option_parse_exclude_from(const struct option *opt,
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const char *arg, int unset)
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{
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struct dir_struct *dir = opt->value;
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exc_given = 1;
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add_excludes_from_file(dir, arg);
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return 0;
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}
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static int option_parse_exclude_standard(const struct option *opt,
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const char *arg, int unset)
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{
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struct dir_struct *dir = opt->value;
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exc_given = 1;
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setup_standard_excludes(dir);
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return 0;
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}
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int cmd_ls_files(int argc, const char **argv, const char *cmd_prefix)
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{
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int require_work_tree = 0, show_tag = 0, i;
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const char *max_prefix;
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struct dir_struct dir;
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struct exclude_list *el;
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struct string_list exclude_list = STRING_LIST_INIT_NODUP;
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struct option builtin_ls_files_options[] = {
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/* Think twice before adding "--nul" synonym to this */
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OPT_SET_INT('z', NULL, &line_terminator,
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N_("paths are separated with NUL character"), '\0'),
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OPT_BOOL('t', NULL, &show_tag,
|
|
N_("identify the file status with tags")),
|
|
OPT_BOOL('v', NULL, &show_valid_bit,
|
|
N_("use lowercase letters for 'assume unchanged' files")),
|
|
OPT_BOOL('c', "cached", &show_cached,
|
|
N_("show cached files in the output (default)")),
|
|
OPT_BOOL('d', "deleted", &show_deleted,
|
|
N_("show deleted files in the output")),
|
|
OPT_BOOL('m', "modified", &show_modified,
|
|
N_("show modified files in the output")),
|
|
OPT_BOOL('o', "others", &show_others,
|
|
N_("show other files in the output")),
|
|
OPT_BIT('i', "ignored", &dir.flags,
|
|
N_("show ignored files in the output"),
|
|
DIR_SHOW_IGNORED),
|
|
OPT_BOOL('s', "stage", &show_stage,
|
|
N_("show staged contents' object name in the output")),
|
|
OPT_BOOL('k', "killed", &show_killed,
|
|
N_("show files on the filesystem that need to be removed")),
|
|
OPT_BIT(0, "directory", &dir.flags,
|
|
N_("show 'other' directories' names only"),
|
|
DIR_SHOW_OTHER_DIRECTORIES),
|
|
OPT_BOOL(0, "eol", &show_eol, N_("show line endings of files")),
|
|
OPT_NEGBIT(0, "empty-directory", &dir.flags,
|
|
N_("don't show empty directories"),
|
|
DIR_HIDE_EMPTY_DIRECTORIES),
|
|
OPT_BOOL('u', "unmerged", &show_unmerged,
|
|
N_("show unmerged files in the output")),
|
|
OPT_BOOL(0, "resolve-undo", &show_resolve_undo,
|
|
N_("show resolve-undo information")),
|
|
{ OPTION_CALLBACK, 'x', "exclude", &exclude_list, N_("pattern"),
|
|
N_("skip files matching pattern"),
|
|
0, option_parse_exclude },
|
|
{ OPTION_CALLBACK, 'X', "exclude-from", &dir, N_("file"),
|
|
N_("exclude patterns are read from <file>"),
|
|
0, option_parse_exclude_from },
|
|
OPT_STRING(0, "exclude-per-directory", &dir.exclude_per_dir, N_("file"),
|
|
N_("read additional per-directory exclude patterns in <file>")),
|
|
{ OPTION_CALLBACK, 0, "exclude-standard", &dir, NULL,
|
|
N_("add the standard git exclusions"),
|
|
PARSE_OPT_NOARG, option_parse_exclude_standard },
|
|
{ OPTION_SET_INT, 0, "full-name", &prefix_len, NULL,
|
|
N_("make the output relative to the project top directory"),
|
|
PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL },
|
|
OPT_BOOL(0, "recurse-submodules", &recurse_submodules,
|
|
N_("recurse through submodules")),
|
|
OPT_BOOL(0, "error-unmatch", &error_unmatch,
|
|
N_("if any <file> is not in the index, treat this as an error")),
|
|
OPT_STRING(0, "with-tree", &with_tree, N_("tree-ish"),
|
|
N_("pretend that paths removed since <tree-ish> are still present")),
|
|
OPT__ABBREV(&abbrev),
|
|
OPT_BOOL(0, "debug", &debug_mode, N_("show debugging data")),
|
|
OPT_END()
|
|
};
|
|
|
|
if (argc == 2 && !strcmp(argv[1], "-h"))
|
|
usage_with_options(ls_files_usage, builtin_ls_files_options);
|
|
|
|
memset(&dir, 0, sizeof(dir));
|
|
prefix = cmd_prefix;
|
|
if (prefix)
|
|
prefix_len = strlen(prefix);
|
|
git_config(git_default_config, NULL);
|
|
|
|
if (repo_read_index(the_repository) < 0)
|
|
die("index file corrupt");
|
|
|
|
argc = parse_options(argc, argv, prefix, builtin_ls_files_options,
|
|
ls_files_usage, 0);
|
|
el = add_exclude_list(&dir, EXC_CMDL, "--exclude option");
|
|
for (i = 0; i < exclude_list.nr; i++) {
|
|
add_exclude(exclude_list.items[i].string, "", 0, el, --exclude_args);
|
|
}
|
|
if (show_tag || show_valid_bit) {
|
|
tag_cached = "H ";
|
|
tag_unmerged = "M ";
|
|
tag_removed = "R ";
|
|
tag_modified = "C ";
|
|
tag_other = "? ";
|
|
tag_killed = "K ";
|
|
tag_skip_worktree = "S ";
|
|
tag_resolve_undo = "U ";
|
|
}
|
|
if (show_modified || show_others || show_deleted || (dir.flags & DIR_SHOW_IGNORED) || show_killed)
|
|
require_work_tree = 1;
|
|
if (show_unmerged)
|
|
/*
|
|
* There's no point in showing unmerged unless
|
|
* you also show the stage information.
|
|
*/
|
|
show_stage = 1;
|
|
if (dir.exclude_per_dir)
|
|
exc_given = 1;
|
|
|
|
if (require_work_tree && !is_inside_work_tree())
|
|
setup_work_tree();
|
|
|
|
if (recurse_submodules)
|
|
repo_read_gitmodules(the_repository);
|
|
|
|
if (recurse_submodules &&
|
|
(show_stage || show_deleted || show_others || show_unmerged ||
|
|
show_killed || show_modified || show_resolve_undo || with_tree))
|
|
die("ls-files --recurse-submodules unsupported mode");
|
|
|
|
if (recurse_submodules && error_unmatch)
|
|
die("ls-files --recurse-submodules does not support "
|
|
"--error-unmatch");
|
|
|
|
parse_pathspec(&pathspec, 0,
|
|
PATHSPEC_PREFER_CWD,
|
|
prefix, argv);
|
|
|
|
/*
|
|
* Find common prefix for all pathspec's
|
|
* This is used as a performance optimization which unfortunately cannot
|
|
* be done when recursing into submodules because when a pathspec is
|
|
* given which spans repository boundaries you can't simply remove the
|
|
* submodule entry because the pathspec may match something inside the
|
|
* submodule.
|
|
*/
|
|
if (recurse_submodules)
|
|
max_prefix = NULL;
|
|
else
|
|
max_prefix = common_prefix(&pathspec);
|
|
max_prefix_len = get_common_prefix_len(max_prefix);
|
|
|
|
prune_index(the_repository->index, max_prefix, max_prefix_len);
|
|
|
|
/* Treat unmatching pathspec elements as errors */
|
|
if (pathspec.nr && error_unmatch)
|
|
ps_matched = xcalloc(pathspec.nr, 1);
|
|
|
|
if ((dir.flags & DIR_SHOW_IGNORED) && !exc_given)
|
|
die("ls-files --ignored needs some exclude pattern");
|
|
|
|
/* With no flags, we default to showing the cached files */
|
|
if (!(show_stage || show_deleted || show_others || show_unmerged ||
|
|
show_killed || show_modified || show_resolve_undo))
|
|
show_cached = 1;
|
|
|
|
if (with_tree) {
|
|
/*
|
|
* Basic sanity check; show-stages and show-unmerged
|
|
* would not make any sense with this option.
|
|
*/
|
|
if (show_stage || show_unmerged)
|
|
die("ls-files --with-tree is incompatible with -s or -u");
|
|
overlay_tree_on_index(the_repository->index, with_tree, max_prefix);
|
|
}
|
|
|
|
show_files(the_repository, &dir);
|
|
|
|
if (show_resolve_undo)
|
|
show_ru_info(the_repository->index);
|
|
|
|
if (ps_matched) {
|
|
int bad;
|
|
bad = report_path_error(ps_matched, &pathspec, prefix);
|
|
if (bad)
|
|
fprintf(stderr, "Did you forget to 'git add'?\n");
|
|
|
|
return bad ? 1 : 0;
|
|
}
|
|
|
|
return 0;
|
|
}
|