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![Jim Meyering](/assets/img/avatar_default.png)
Signed-off-by: Jim Meyering <meyering@redhat.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
893 lines
24 KiB
C
893 lines
24 KiB
C
/*
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* GIT - The information manager from hell
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*
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* Copyright (C) Linus Torvalds, 2005
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*/
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#include "cache.h"
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#include "quote.h"
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#include "cache-tree.h"
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#include "tree-walk.h"
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#include "builtin.h"
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#include "refs.h"
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#include "resolve-undo.h"
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#include "parse-options.h"
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/*
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* Default to not allowing changes to the list of files. The
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* tool doesn't actually care, but this makes it harder to add
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* files to the revision control by mistake by doing something
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* like "git update-index *" and suddenly having all the object
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* files be revision controlled.
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*/
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static int allow_add;
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static int allow_remove;
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static int allow_replace;
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static int info_only;
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static int force_remove;
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static int verbose;
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static int mark_valid_only;
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static int mark_skip_worktree_only;
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#define MARK_FLAG 1
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#define UNMARK_FLAG 2
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__attribute__((format (printf, 1, 2)))
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static void report(const char *fmt, ...)
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{
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va_list vp;
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if (!verbose)
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return;
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va_start(vp, fmt);
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vprintf(fmt, vp);
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putchar('\n');
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va_end(vp);
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}
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static int mark_ce_flags(const char *path, int flag, int mark)
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{
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int namelen = strlen(path);
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int pos = cache_name_pos(path, namelen);
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if (0 <= pos) {
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if (mark)
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active_cache[pos]->ce_flags |= flag;
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else
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active_cache[pos]->ce_flags &= ~flag;
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cache_tree_invalidate_path(active_cache_tree, path);
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active_cache_changed = 1;
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return 0;
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}
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return -1;
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}
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static int remove_one_path(const char *path)
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{
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if (!allow_remove)
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return error("%s: does not exist and --remove not passed", path);
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if (remove_file_from_cache(path))
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return error("%s: cannot remove from the index", path);
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return 0;
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}
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/*
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* Handle a path that couldn't be lstat'ed. It's either:
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* - missing file (ENOENT or ENOTDIR). That's ok if we're
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* supposed to be removing it and the removal actually
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* succeeds.
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* - permission error. That's never ok.
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*/
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static int process_lstat_error(const char *path, int err)
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{
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if (err == ENOENT || err == ENOTDIR)
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return remove_one_path(path);
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return error("lstat(\"%s\"): %s", path, strerror(errno));
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}
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static int add_one_path(struct cache_entry *old, const char *path, int len, struct stat *st)
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{
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int option, size;
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struct cache_entry *ce;
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/* Was the old index entry already up-to-date? */
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if (old && !ce_stage(old) && !ce_match_stat(old, st, 0))
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return 0;
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size = cache_entry_size(len);
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ce = xcalloc(1, size);
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memcpy(ce->name, path, len);
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ce->ce_flags = len;
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fill_stat_cache_info(ce, st);
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ce->ce_mode = ce_mode_from_stat(old, st->st_mode);
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if (index_path(ce->sha1, path, st,
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info_only ? 0 : HASH_WRITE_OBJECT)) {
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free(ce);
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return -1;
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}
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option = allow_add ? ADD_CACHE_OK_TO_ADD : 0;
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option |= allow_replace ? ADD_CACHE_OK_TO_REPLACE : 0;
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if (add_cache_entry(ce, option))
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return error("%s: cannot add to the index - missing --add option?", path);
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return 0;
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}
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/*
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* Handle a path that was a directory. Four cases:
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*
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* - it's already a gitlink in the index, and we keep it that
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* way, and update it if we can (if we cannot find the HEAD,
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* we're going to keep it unchanged in the index!)
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*
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* - it's a *file* in the index, in which case it should be
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* removed as a file if removal is allowed, since it doesn't
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* exist as such any more. If removal isn't allowed, it's
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* an error.
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*
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* (NOTE! This is old and arguably fairly strange behaviour.
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* We might want to make this an error unconditionally, and
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* use "--force-remove" if you actually want to force removal).
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*
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* - it used to exist as a subdirectory (ie multiple files with
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* this particular prefix) in the index, in which case it's wrong
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* to try to update it as a directory.
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*
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* - it doesn't exist at all in the index, but it is a valid
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* git directory, and it should be *added* as a gitlink.
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*/
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static int process_directory(const char *path, int len, struct stat *st)
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{
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unsigned char sha1[20];
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int pos = cache_name_pos(path, len);
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/* Exact match: file or existing gitlink */
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if (pos >= 0) {
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struct cache_entry *ce = active_cache[pos];
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if (S_ISGITLINK(ce->ce_mode)) {
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/* Do nothing to the index if there is no HEAD! */
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if (resolve_gitlink_ref(path, "HEAD", sha1) < 0)
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return 0;
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return add_one_path(ce, path, len, st);
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}
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/* Should this be an unconditional error? */
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return remove_one_path(path);
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}
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/* Inexact match: is there perhaps a subdirectory match? */
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pos = -pos-1;
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while (pos < active_nr) {
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struct cache_entry *ce = active_cache[pos++];
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if (strncmp(ce->name, path, len))
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break;
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if (ce->name[len] > '/')
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break;
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if (ce->name[len] < '/')
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continue;
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/* Subdirectory match - error out */
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return error("%s: is a directory - add individual files instead", path);
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}
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/* No match - should we add it as a gitlink? */
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if (!resolve_gitlink_ref(path, "HEAD", sha1))
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return add_one_path(NULL, path, len, st);
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/* Error out. */
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return error("%s: is a directory - add files inside instead", path);
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}
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static int process_path(const char *path)
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{
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int pos, len;
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struct stat st;
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struct cache_entry *ce;
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len = strlen(path);
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if (has_symlink_leading_path(path, len))
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return error("'%s' is beyond a symbolic link", path);
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pos = cache_name_pos(path, len);
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ce = pos < 0 ? NULL : active_cache[pos];
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if (ce && ce_skip_worktree(ce)) {
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/*
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* working directory version is assumed "good"
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* so updating it does not make sense.
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* On the other hand, removing it from index should work
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*/
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if (allow_remove && remove_file_from_cache(path))
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return error("%s: cannot remove from the index", path);
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return 0;
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}
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/*
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* First things first: get the stat information, to decide
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* what to do about the pathname!
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*/
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if (lstat(path, &st) < 0)
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return process_lstat_error(path, errno);
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if (S_ISDIR(st.st_mode))
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return process_directory(path, len, &st);
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/*
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* Process a regular file
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*/
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if (ce && S_ISGITLINK(ce->ce_mode))
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return error("%s is already a gitlink, not replacing", path);
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return add_one_path(ce, path, len, &st);
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}
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static int add_cacheinfo(unsigned int mode, const unsigned char *sha1,
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const char *path, int stage)
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{
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int size, len, option;
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struct cache_entry *ce;
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if (!verify_path(path))
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return error("Invalid path '%s'", path);
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len = strlen(path);
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size = cache_entry_size(len);
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ce = xcalloc(1, size);
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hashcpy(ce->sha1, sha1);
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memcpy(ce->name, path, len);
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ce->ce_flags = create_ce_flags(len, stage);
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ce->ce_mode = create_ce_mode(mode);
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if (assume_unchanged)
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ce->ce_flags |= CE_VALID;
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option = allow_add ? ADD_CACHE_OK_TO_ADD : 0;
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option |= allow_replace ? ADD_CACHE_OK_TO_REPLACE : 0;
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if (add_cache_entry(ce, option))
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return error("%s: cannot add to the index - missing --add option?",
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path);
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report("add '%s'", path);
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return 0;
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}
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static void chmod_path(int flip, const char *path)
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{
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int pos;
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struct cache_entry *ce;
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unsigned int mode;
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pos = cache_name_pos(path, strlen(path));
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if (pos < 0)
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goto fail;
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ce = active_cache[pos];
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mode = ce->ce_mode;
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if (!S_ISREG(mode))
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goto fail;
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switch (flip) {
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case '+':
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ce->ce_mode |= 0111; break;
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case '-':
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ce->ce_mode &= ~0111; break;
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default:
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goto fail;
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}
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cache_tree_invalidate_path(active_cache_tree, path);
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active_cache_changed = 1;
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report("chmod %cx '%s'", flip, path);
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return;
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fail:
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die("git update-index: cannot chmod %cx '%s'", flip, path);
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}
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static void update_one(const char *path, const char *prefix, int prefix_length)
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{
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const char *p = prefix_path(prefix, prefix_length, path);
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if (!verify_path(p)) {
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fprintf(stderr, "Ignoring path %s\n", path);
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goto free_return;
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}
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if (mark_valid_only) {
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if (mark_ce_flags(p, CE_VALID, mark_valid_only == MARK_FLAG))
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die("Unable to mark file %s", path);
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goto free_return;
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}
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if (mark_skip_worktree_only) {
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if (mark_ce_flags(p, CE_SKIP_WORKTREE, mark_skip_worktree_only == MARK_FLAG))
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die("Unable to mark file %s", path);
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goto free_return;
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}
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if (force_remove) {
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if (remove_file_from_cache(p))
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die("git update-index: unable to remove %s", path);
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report("remove '%s'", path);
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goto free_return;
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}
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if (process_path(p))
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die("Unable to process path %s", path);
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report("add '%s'", path);
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free_return:
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if (p < path || p > path + strlen(path))
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free((char *)p);
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}
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static void read_index_info(int line_termination)
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{
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struct strbuf buf = STRBUF_INIT;
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struct strbuf uq = STRBUF_INIT;
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while (strbuf_getline(&buf, stdin, line_termination) != EOF) {
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char *ptr, *tab;
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char *path_name;
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unsigned char sha1[20];
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unsigned int mode;
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unsigned long ul;
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int stage;
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/* This reads lines formatted in one of three formats:
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*
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* (1) mode SP sha1 TAB path
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* The first format is what "git apply --index-info"
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* reports, and used to reconstruct a partial tree
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* that is used for phony merge base tree when falling
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* back on 3-way merge.
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*
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* (2) mode SP type SP sha1 TAB path
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* The second format is to stuff "git ls-tree" output
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* into the index file.
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*
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* (3) mode SP sha1 SP stage TAB path
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* This format is to put higher order stages into the
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* index file and matches "git ls-files --stage" output.
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*/
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errno = 0;
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ul = strtoul(buf.buf, &ptr, 8);
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if (ptr == buf.buf || *ptr != ' '
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|| errno || (unsigned int) ul != ul)
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goto bad_line;
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mode = ul;
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tab = strchr(ptr, '\t');
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if (!tab || tab - ptr < 41)
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goto bad_line;
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if (tab[-2] == ' ' && '0' <= tab[-1] && tab[-1] <= '3') {
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stage = tab[-1] - '0';
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ptr = tab + 1; /* point at the head of path */
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tab = tab - 2; /* point at tail of sha1 */
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}
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else {
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stage = 0;
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ptr = tab + 1; /* point at the head of path */
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}
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if (get_sha1_hex(tab - 40, sha1) || tab[-41] != ' ')
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goto bad_line;
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path_name = ptr;
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if (line_termination && path_name[0] == '"') {
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strbuf_reset(&uq);
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if (unquote_c_style(&uq, path_name, NULL)) {
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die("git update-index: bad quoting of path name");
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}
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path_name = uq.buf;
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}
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if (!verify_path(path_name)) {
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fprintf(stderr, "Ignoring path %s\n", path_name);
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continue;
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}
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if (!mode) {
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/* mode == 0 means there is no such path -- remove */
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if (remove_file_from_cache(path_name))
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die("git update-index: unable to remove %s",
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ptr);
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}
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else {
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/* mode ' ' sha1 '\t' name
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* ptr[-1] points at tab,
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* ptr[-41] is at the beginning of sha1
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*/
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ptr[-42] = ptr[-1] = 0;
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if (add_cacheinfo(mode, sha1, path_name, stage))
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die("git update-index: unable to update %s",
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path_name);
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}
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continue;
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bad_line:
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die("malformed index info %s", buf.buf);
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}
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strbuf_release(&buf);
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strbuf_release(&uq);
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}
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static const char * const update_index_usage[] = {
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"git update-index [options] [--] [<file>...]",
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NULL
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};
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static unsigned char head_sha1[20];
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static unsigned char merge_head_sha1[20];
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static struct cache_entry *read_one_ent(const char *which,
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unsigned char *ent, const char *path,
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int namelen, int stage)
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{
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unsigned mode;
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unsigned char sha1[20];
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int size;
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struct cache_entry *ce;
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if (get_tree_entry(ent, path, sha1, &mode)) {
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if (which)
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error("%s: not in %s branch.", path, which);
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return NULL;
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}
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if (mode == S_IFDIR) {
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if (which)
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error("%s: not a blob in %s branch.", path, which);
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return NULL;
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}
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size = cache_entry_size(namelen);
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ce = xcalloc(1, size);
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hashcpy(ce->sha1, sha1);
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memcpy(ce->name, path, namelen);
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ce->ce_flags = create_ce_flags(namelen, stage);
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ce->ce_mode = create_ce_mode(mode);
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return ce;
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}
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static int unresolve_one(const char *path)
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{
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int namelen = strlen(path);
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int pos;
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int ret = 0;
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struct cache_entry *ce_2 = NULL, *ce_3 = NULL;
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/* See if there is such entry in the index. */
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pos = cache_name_pos(path, namelen);
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if (0 <= pos) {
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/* already merged */
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pos = unmerge_cache_entry_at(pos);
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if (pos < active_nr) {
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struct cache_entry *ce = active_cache[pos];
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if (ce_stage(ce) &&
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ce_namelen(ce) == namelen &&
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!memcmp(ce->name, path, namelen))
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return 0;
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}
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/* no resolve-undo information; fall back */
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} else {
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/* If there isn't, either it is unmerged, or
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* resolved as "removed" by mistake. We do not
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* want to do anything in the former case.
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*/
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pos = -pos-1;
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if (pos < active_nr) {
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struct cache_entry *ce = active_cache[pos];
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if (ce_namelen(ce) == namelen &&
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!memcmp(ce->name, path, namelen)) {
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fprintf(stderr,
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"%s: skipping still unmerged path.\n",
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path);
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goto free_return;
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}
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}
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}
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/* Grab blobs from given path from HEAD and MERGE_HEAD,
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* stuff HEAD version in stage #2,
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* stuff MERGE_HEAD version in stage #3.
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*/
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ce_2 = read_one_ent("our", head_sha1, path, namelen, 2);
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ce_3 = read_one_ent("their", merge_head_sha1, path, namelen, 3);
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if (!ce_2 || !ce_3) {
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ret = -1;
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goto free_return;
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}
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if (!hashcmp(ce_2->sha1, ce_3->sha1) &&
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ce_2->ce_mode == ce_3->ce_mode) {
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fprintf(stderr, "%s: identical in both, skipping.\n",
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path);
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goto free_return;
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}
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remove_file_from_cache(path);
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if (add_cache_entry(ce_2, ADD_CACHE_OK_TO_ADD)) {
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error("%s: cannot add our version to the index.", path);
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ret = -1;
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goto free_return;
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}
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if (!add_cache_entry(ce_3, ADD_CACHE_OK_TO_ADD))
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return 0;
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error("%s: cannot add their version to the index.", path);
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ret = -1;
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free_return:
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free(ce_2);
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free(ce_3);
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return ret;
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}
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static void read_head_pointers(void)
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{
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if (read_ref("HEAD", head_sha1))
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die("No HEAD -- no initial commit yet?");
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if (read_ref("MERGE_HEAD", merge_head_sha1)) {
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fprintf(stderr, "Not in the middle of a merge.\n");
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exit(0);
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|
}
|
|
}
|
|
|
|
static int do_unresolve(int ac, const char **av,
|
|
const char *prefix, int prefix_length)
|
|
{
|
|
int i;
|
|
int err = 0;
|
|
|
|
/* Read HEAD and MERGE_HEAD; if MERGE_HEAD does not exist, we
|
|
* are not doing a merge, so exit with success status.
|
|
*/
|
|
read_head_pointers();
|
|
|
|
for (i = 1; i < ac; i++) {
|
|
const char *arg = av[i];
|
|
const char *p = prefix_path(prefix, prefix_length, arg);
|
|
err |= unresolve_one(p);
|
|
if (p < arg || p > arg + strlen(arg))
|
|
free((char *)p);
|
|
}
|
|
return err;
|
|
}
|
|
|
|
static int do_reupdate(int ac, const char **av,
|
|
const char *prefix, int prefix_length)
|
|
{
|
|
/* Read HEAD and run update-index on paths that are
|
|
* merged and already different between index and HEAD.
|
|
*/
|
|
int pos;
|
|
int has_head = 1;
|
|
const char **paths = get_pathspec(prefix, av + 1);
|
|
struct pathspec pathspec;
|
|
|
|
init_pathspec(&pathspec, paths);
|
|
|
|
if (read_ref("HEAD", head_sha1))
|
|
/* If there is no HEAD, that means it is an initial
|
|
* commit. Update everything in the index.
|
|
*/
|
|
has_head = 0;
|
|
redo:
|
|
for (pos = 0; pos < active_nr; pos++) {
|
|
struct cache_entry *ce = active_cache[pos];
|
|
struct cache_entry *old = NULL;
|
|
int save_nr;
|
|
|
|
if (ce_stage(ce) || !ce_path_match(ce, &pathspec))
|
|
continue;
|
|
if (has_head)
|
|
old = read_one_ent(NULL, head_sha1,
|
|
ce->name, ce_namelen(ce), 0);
|
|
if (old && ce->ce_mode == old->ce_mode &&
|
|
!hashcmp(ce->sha1, old->sha1)) {
|
|
free(old);
|
|
continue; /* unchanged */
|
|
}
|
|
/* Be careful. The working tree may not have the
|
|
* path anymore, in which case, under 'allow_remove',
|
|
* or worse yet 'allow_replace', active_nr may decrease.
|
|
*/
|
|
save_nr = active_nr;
|
|
update_one(ce->name + prefix_length, prefix, prefix_length);
|
|
if (save_nr != active_nr)
|
|
goto redo;
|
|
}
|
|
free_pathspec(&pathspec);
|
|
return 0;
|
|
}
|
|
|
|
struct refresh_params {
|
|
unsigned int flags;
|
|
int *has_errors;
|
|
};
|
|
|
|
static int refresh(struct refresh_params *o, unsigned int flag)
|
|
{
|
|
setup_work_tree();
|
|
*o->has_errors |= refresh_cache(o->flags | flag);
|
|
return 0;
|
|
}
|
|
|
|
static int refresh_callback(const struct option *opt,
|
|
const char *arg, int unset)
|
|
{
|
|
return refresh(opt->value, 0);
|
|
}
|
|
|
|
static int really_refresh_callback(const struct option *opt,
|
|
const char *arg, int unset)
|
|
{
|
|
return refresh(opt->value, REFRESH_REALLY);
|
|
}
|
|
|
|
static int chmod_callback(const struct option *opt,
|
|
const char *arg, int unset)
|
|
{
|
|
char *flip = opt->value;
|
|
if ((arg[0] != '-' && arg[0] != '+') || arg[1] != 'x' || arg[2])
|
|
return error("option 'chmod' expects \"+x\" or \"-x\"");
|
|
*flip = arg[0];
|
|
return 0;
|
|
}
|
|
|
|
static int resolve_undo_clear_callback(const struct option *opt,
|
|
const char *arg, int unset)
|
|
{
|
|
resolve_undo_clear();
|
|
return 0;
|
|
}
|
|
|
|
static int cacheinfo_callback(struct parse_opt_ctx_t *ctx,
|
|
const struct option *opt, int unset)
|
|
{
|
|
unsigned char sha1[20];
|
|
unsigned int mode;
|
|
|
|
if (ctx->argc <= 3)
|
|
return error("option 'cacheinfo' expects three arguments");
|
|
if (strtoul_ui(*++ctx->argv, 8, &mode) ||
|
|
get_sha1_hex(*++ctx->argv, sha1) ||
|
|
add_cacheinfo(mode, sha1, *++ctx->argv, 0))
|
|
die("git update-index: --cacheinfo cannot add %s", *ctx->argv);
|
|
ctx->argc -= 3;
|
|
return 0;
|
|
}
|
|
|
|
static int stdin_cacheinfo_callback(struct parse_opt_ctx_t *ctx,
|
|
const struct option *opt, int unset)
|
|
{
|
|
int *line_termination = opt->value;
|
|
|
|
if (ctx->argc != 1)
|
|
return error("option '%s' must be the last argument", opt->long_name);
|
|
allow_add = allow_replace = allow_remove = 1;
|
|
read_index_info(*line_termination);
|
|
return 0;
|
|
}
|
|
|
|
static int stdin_callback(struct parse_opt_ctx_t *ctx,
|
|
const struct option *opt, int unset)
|
|
{
|
|
int *read_from_stdin = opt->value;
|
|
|
|
if (ctx->argc != 1)
|
|
return error("option '%s' must be the last argument", opt->long_name);
|
|
*read_from_stdin = 1;
|
|
return 0;
|
|
}
|
|
|
|
static int unresolve_callback(struct parse_opt_ctx_t *ctx,
|
|
const struct option *opt, int flags)
|
|
{
|
|
int *has_errors = opt->value;
|
|
const char *prefix = startup_info->prefix;
|
|
|
|
/* consume remaining arguments. */
|
|
*has_errors = do_unresolve(ctx->argc, ctx->argv,
|
|
prefix, prefix ? strlen(prefix) : 0);
|
|
if (*has_errors)
|
|
active_cache_changed = 0;
|
|
|
|
ctx->argv += ctx->argc - 1;
|
|
ctx->argc = 1;
|
|
return 0;
|
|
}
|
|
|
|
static int reupdate_callback(struct parse_opt_ctx_t *ctx,
|
|
const struct option *opt, int flags)
|
|
{
|
|
int *has_errors = opt->value;
|
|
const char *prefix = startup_info->prefix;
|
|
|
|
/* consume remaining arguments. */
|
|
setup_work_tree();
|
|
*has_errors = do_reupdate(ctx->argc, ctx->argv,
|
|
prefix, prefix ? strlen(prefix) : 0);
|
|
if (*has_errors)
|
|
active_cache_changed = 0;
|
|
|
|
ctx->argv += ctx->argc - 1;
|
|
ctx->argc = 1;
|
|
return 0;
|
|
}
|
|
|
|
int cmd_update_index(int argc, const char **argv, const char *prefix)
|
|
{
|
|
int newfd, entries, has_errors = 0, line_termination = '\n';
|
|
int read_from_stdin = 0;
|
|
int prefix_length = prefix ? strlen(prefix) : 0;
|
|
char set_executable_bit = 0;
|
|
struct refresh_params refresh_args = {0, &has_errors};
|
|
int lock_error = 0;
|
|
struct lock_file *lock_file;
|
|
struct parse_opt_ctx_t ctx;
|
|
int parseopt_state = PARSE_OPT_UNKNOWN;
|
|
struct option options[] = {
|
|
OPT_BIT('q', NULL, &refresh_args.flags,
|
|
"continue refresh even when index needs update",
|
|
REFRESH_QUIET),
|
|
OPT_BIT(0, "ignore-submodules", &refresh_args.flags,
|
|
"refresh: ignore submodules",
|
|
REFRESH_IGNORE_SUBMODULES),
|
|
OPT_SET_INT(0, "add", &allow_add,
|
|
"do not ignore new files", 1),
|
|
OPT_SET_INT(0, "replace", &allow_replace,
|
|
"let files replace directories and vice-versa", 1),
|
|
OPT_SET_INT(0, "remove", &allow_remove,
|
|
"notice files missing from worktree", 1),
|
|
OPT_BIT(0, "unmerged", &refresh_args.flags,
|
|
"refresh even if index contains unmerged entries",
|
|
REFRESH_UNMERGED),
|
|
{OPTION_CALLBACK, 0, "refresh", &refresh_args, NULL,
|
|
"refresh stat information",
|
|
PARSE_OPT_NOARG | PARSE_OPT_NONEG,
|
|
refresh_callback},
|
|
{OPTION_CALLBACK, 0, "really-refresh", &refresh_args, NULL,
|
|
"like --refresh, but ignore assume-unchanged setting",
|
|
PARSE_OPT_NOARG | PARSE_OPT_NONEG,
|
|
really_refresh_callback},
|
|
{OPTION_LOWLEVEL_CALLBACK, 0, "cacheinfo", NULL,
|
|
"<mode> <object> <path>",
|
|
"add the specified entry to the index",
|
|
PARSE_OPT_NOARG | /* disallow --cacheinfo=<mode> form */
|
|
PARSE_OPT_NONEG | PARSE_OPT_LITERAL_ARGHELP,
|
|
(parse_opt_cb *) cacheinfo_callback},
|
|
{OPTION_CALLBACK, 0, "chmod", &set_executable_bit, "(+/-)x",
|
|
"override the executable bit of the listed files",
|
|
PARSE_OPT_NONEG | PARSE_OPT_LITERAL_ARGHELP,
|
|
chmod_callback},
|
|
{OPTION_SET_INT, 0, "assume-unchanged", &mark_valid_only, NULL,
|
|
"mark files as \"not changing\"",
|
|
PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL, MARK_FLAG},
|
|
{OPTION_SET_INT, 0, "no-assume-unchanged", &mark_valid_only, NULL,
|
|
"clear assumed-unchanged bit",
|
|
PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL, UNMARK_FLAG},
|
|
{OPTION_SET_INT, 0, "skip-worktree", &mark_skip_worktree_only, NULL,
|
|
"mark files as \"index-only\"",
|
|
PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL, MARK_FLAG},
|
|
{OPTION_SET_INT, 0, "no-skip-worktree", &mark_skip_worktree_only, NULL,
|
|
"clear skip-worktree bit",
|
|
PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL, UNMARK_FLAG},
|
|
OPT_SET_INT(0, "info-only", &info_only,
|
|
"add to index only; do not add content to object database", 1),
|
|
OPT_SET_INT(0, "force-remove", &force_remove,
|
|
"remove named paths even if present in worktree", 1),
|
|
OPT_SET_INT('z', NULL, &line_termination,
|
|
"with --stdin: input lines are terminated by null bytes", '\0'),
|
|
{OPTION_LOWLEVEL_CALLBACK, 0, "stdin", &read_from_stdin, NULL,
|
|
"read list of paths to be updated from standard input",
|
|
PARSE_OPT_NONEG | PARSE_OPT_NOARG,
|
|
(parse_opt_cb *) stdin_callback},
|
|
{OPTION_LOWLEVEL_CALLBACK, 0, "index-info", &line_termination, NULL,
|
|
"add entries from standard input to the index",
|
|
PARSE_OPT_NONEG | PARSE_OPT_NOARG,
|
|
(parse_opt_cb *) stdin_cacheinfo_callback},
|
|
{OPTION_LOWLEVEL_CALLBACK, 0, "unresolve", &has_errors, NULL,
|
|
"repopulate stages #2 and #3 for the listed paths",
|
|
PARSE_OPT_NONEG | PARSE_OPT_NOARG,
|
|
(parse_opt_cb *) unresolve_callback},
|
|
{OPTION_LOWLEVEL_CALLBACK, 'g', "again", &has_errors, NULL,
|
|
"only update entries that differ from HEAD",
|
|
PARSE_OPT_NONEG | PARSE_OPT_NOARG,
|
|
(parse_opt_cb *) reupdate_callback},
|
|
OPT_BIT(0, "ignore-missing", &refresh_args.flags,
|
|
"ignore files missing from worktree",
|
|
REFRESH_IGNORE_MISSING),
|
|
OPT_SET_INT(0, "verbose", &verbose,
|
|
"report actions to standard output", 1),
|
|
{OPTION_CALLBACK, 0, "clear-resolve-undo", NULL, NULL,
|
|
"(for porcelains) forget saved unresolved conflicts",
|
|
PARSE_OPT_NOARG | PARSE_OPT_NONEG,
|
|
resolve_undo_clear_callback},
|
|
OPT_END()
|
|
};
|
|
|
|
if (argc == 2 && !strcmp(argv[1], "-h"))
|
|
usage(update_index_usage[0]);
|
|
|
|
git_config(git_default_config, NULL);
|
|
|
|
/* We can't free this memory, it becomes part of a linked list parsed atexit() */
|
|
lock_file = xcalloc(1, sizeof(struct lock_file));
|
|
|
|
newfd = hold_locked_index(lock_file, 0);
|
|
if (newfd < 0)
|
|
lock_error = errno;
|
|
|
|
entries = read_cache();
|
|
if (entries < 0)
|
|
die("cache corrupted");
|
|
|
|
/*
|
|
* Custom copy of parse_options() because we want to handle
|
|
* filename arguments as they come.
|
|
*/
|
|
parse_options_start(&ctx, argc, argv, prefix,
|
|
options, PARSE_OPT_STOP_AT_NON_OPTION);
|
|
while (ctx.argc) {
|
|
if (parseopt_state != PARSE_OPT_DONE)
|
|
parseopt_state = parse_options_step(&ctx, options,
|
|
update_index_usage);
|
|
if (!ctx.argc)
|
|
break;
|
|
switch (parseopt_state) {
|
|
case PARSE_OPT_HELP:
|
|
exit(129);
|
|
case PARSE_OPT_NON_OPTION:
|
|
case PARSE_OPT_DONE:
|
|
{
|
|
const char *path = ctx.argv[0];
|
|
const char *p;
|
|
|
|
setup_work_tree();
|
|
p = prefix_path(prefix, prefix_length, path);
|
|
update_one(p, NULL, 0);
|
|
if (set_executable_bit)
|
|
chmod_path(set_executable_bit, p);
|
|
if (p < path || p > path + strlen(path))
|
|
free((char *)p);
|
|
ctx.argc--;
|
|
ctx.argv++;
|
|
break;
|
|
}
|
|
case PARSE_OPT_UNKNOWN:
|
|
if (ctx.argv[0][1] == '-')
|
|
error("unknown option '%s'", ctx.argv[0] + 2);
|
|
else
|
|
error("unknown switch '%c'", *ctx.opt);
|
|
usage_with_options(update_index_usage, options);
|
|
}
|
|
}
|
|
argc = parse_options_end(&ctx);
|
|
|
|
if (read_from_stdin) {
|
|
struct strbuf buf = STRBUF_INIT, nbuf = STRBUF_INIT;
|
|
|
|
setup_work_tree();
|
|
while (strbuf_getline(&buf, stdin, line_termination) != EOF) {
|
|
const char *p;
|
|
if (line_termination && buf.buf[0] == '"') {
|
|
strbuf_reset(&nbuf);
|
|
if (unquote_c_style(&nbuf, buf.buf, NULL))
|
|
die("line is badly quoted");
|
|
strbuf_swap(&buf, &nbuf);
|
|
}
|
|
p = prefix_path(prefix, prefix_length, buf.buf);
|
|
update_one(p, NULL, 0);
|
|
if (set_executable_bit)
|
|
chmod_path(set_executable_bit, p);
|
|
if (p < buf.buf || p > buf.buf + buf.len)
|
|
free((char *)p);
|
|
}
|
|
strbuf_release(&nbuf);
|
|
strbuf_release(&buf);
|
|
}
|
|
|
|
if (active_cache_changed) {
|
|
if (newfd < 0) {
|
|
if (refresh_args.flags & REFRESH_QUIET)
|
|
exit(128);
|
|
unable_to_lock_index_die(get_index_file(), lock_error);
|
|
}
|
|
if (write_cache(newfd, active_cache, active_nr) ||
|
|
commit_locked_index(lock_file))
|
|
die("Unable to write new index file");
|
|
}
|
|
|
|
rollback_lock_file(lock_file);
|
|
|
|
return has_errors ? 1 : 0;
|
|
}
|