2005-04-08 00:16:10 +02:00
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/*
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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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2005-04-08 00:13:13 +02:00
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#include "cache.h"
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2005-09-27 03:13:08 +02:00
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#include "strbuf.h"
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2005-10-16 09:39:07 +02:00
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#include "quote.h"
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2006-04-20 08:52:05 +02:00
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#include "tree-walk.h"
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2005-04-08 00:13:13 +02:00
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2005-04-10 20:32:54 +02:00
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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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2005-09-08 02:26:23 +02:00
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* like "git-update-index *" and suddenly having all the object
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2005-04-10 20:32:54 +02:00
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* files be revision controlled.
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*/
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2005-10-15 06:56:46 +02:00
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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 allow_unmerged; /* --refresh needing merge is not error */
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static int not_new; /* --refresh not having working tree files is not error */
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static int quiet; /* --refresh needing update is not error */
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static int info_only;
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2005-05-31 18:52:43 +02:00
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static int force_remove;
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2005-10-15 06:56:46 +02:00
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static int verbose;
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2006-02-09 06:15:24 +01:00
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static int mark_valid_only = 0;
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#define MARK_VALID 1
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#define UNMARK_VALID 2
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2005-04-25 00:14:16 +02:00
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/* Three functions to allow overloaded pointer return; see linux/err.h */
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static inline void *ERR_PTR(long error)
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{
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return (void *) error;
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}
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static inline long PTR_ERR(const void *ptr)
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{
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return (long) ptr;
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}
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static inline long IS_ERR(const void *ptr)
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{
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return (unsigned long)ptr > (unsigned long)-1000L;
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}
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2005-04-10 20:32:54 +02:00
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2005-10-15 06:56:46 +02:00
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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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2006-02-09 06:15:24 +01:00
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static int mark_valid(const char *path)
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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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switch (mark_valid_only) {
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case MARK_VALID:
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active_cache[pos]->ce_flags |= htons(CE_VALID);
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break;
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case UNMARK_VALID:
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active_cache[pos]->ce_flags &= ~htons(CE_VALID);
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break;
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}
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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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2005-09-21 09:00:47 +02:00
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static int add_file_to_cache(const char *path)
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2005-04-08 00:13:13 +02:00
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{
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2005-05-08 09:05:18 +02:00
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int size, namelen, option, status;
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2005-04-08 00:13:13 +02:00
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struct cache_entry *ce;
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struct stat st;
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2005-05-08 09:05:18 +02:00
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status = lstat(path, &st);
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if (status < 0 || S_ISDIR(st.st_mode)) {
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/* When we used to have "path" and now we want to add
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* "path/file", we need a way to remove "path" before
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* being able to add "path/file". However,
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2005-09-08 02:26:23 +02:00
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* "git-update-index --remove path" would not work.
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2005-05-08 09:05:18 +02:00
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* --force-remove can be used but this is more user
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* friendly, especially since we can do the opposite
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* case just fine without --force-remove.
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*/
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if (status == 0 || (errno == ENOENT || errno == ENOTDIR)) {
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2005-09-18 21:09:22 +02:00
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if (allow_remove) {
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if (remove_file_from_cache(path))
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return error("%s: cannot remove from the index",
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path);
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else
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return 0;
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} else if (status < 0) {
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return error("%s: does not exist and --remove not passed",
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path);
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}
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2005-04-10 20:32:54 +02:00
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}
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2005-09-01 16:13:50 +02:00
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if (0 == status)
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2005-09-18 21:09:22 +02:00
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return error("%s: is a directory - add files inside instead",
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path);
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2005-09-01 16:13:50 +02:00
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else
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return error("lstat(\"%s\"): %s", path,
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strerror(errno));
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2005-04-08 00:13:13 +02:00
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}
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2005-10-12 03:45:33 +02:00
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2005-04-08 00:13:13 +02:00
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namelen = strlen(path);
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size = cache_entry_size(namelen);
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2006-04-03 20:30:46 +02:00
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ce = xcalloc(1, size);
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2005-04-08 00:13:13 +02:00
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memcpy(ce->name, path, namelen);
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2006-02-09 06:15:24 +01:00
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ce->ce_flags = htons(namelen);
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2005-04-11 18:39:21 +02:00
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fill_stat_cache_info(ce, &st);
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2005-10-12 03:45:33 +02:00
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2005-04-17 07:26:31 +02:00
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ce->ce_mode = create_ce_mode(st.st_mode);
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2005-10-12 03:45:33 +02:00
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if (!trust_executable_bit) {
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/* If there is an existing entry, pick the mode bits
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* from it.
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*/
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int pos = cache_name_pos(path, namelen);
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if (0 <= pos)
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ce->ce_mode = active_cache[pos]->ce_mode;
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}
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2005-10-07 12:42:00 +02:00
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if (index_path(ce->sha1, path, &st, !info_only))
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return -1;
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2005-05-08 06:55:21 +02:00
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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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2005-09-18 21:09:22 +02:00
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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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return 0;
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2005-04-10 20:32:54 +02:00
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}
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2005-04-11 18:39:21 +02:00
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/*
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* "refresh" does not calculate a new sha1 file or bring the
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* cache up-to-date for mode/content changes. But what it
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* _does_ do is to "re-match" the stat information of a file
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* with the cache, so that you can refresh the cache for a
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* file that hasn't been changed but where the stat entry is
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* out of date.
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*
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2005-05-19 13:17:16 +02:00
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* For example, you'd want to do this after doing a "git-read-tree",
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2005-04-11 18:39:21 +02:00
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* to link up the stat cache details with the proper files.
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*/
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2006-02-09 06:15:24 +01:00
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static struct cache_entry *refresh_entry(struct cache_entry *ce, int really)
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2005-04-11 18:39:21 +02:00
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{
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struct stat st;
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struct cache_entry *updated;
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int changed, size;
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2005-05-05 14:38:25 +02:00
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if (lstat(ce->name, &st) < 0)
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2005-04-25 00:14:16 +02:00
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return ERR_PTR(-errno);
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2005-04-11 18:39:21 +02:00
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2006-02-09 06:15:24 +01:00
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changed = ce_match_stat(ce, &st, really);
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2006-02-09 09:55:17 +01:00
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if (!changed) {
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if (really && assume_unchanged &&
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!(ce->ce_flags & htons(CE_VALID)))
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; /* mark this one VALID again */
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else
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return NULL;
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}
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2005-04-11 18:39:21 +02:00
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2006-02-09 06:15:24 +01:00
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if (ce_modified(ce, &st, really))
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2005-04-25 00:14:16 +02:00
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return ERR_PTR(-EINVAL);
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2005-04-11 18:39:21 +02:00
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size = ce_size(ce);
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2005-04-26 21:00:58 +02:00
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updated = xmalloc(size);
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2005-04-11 18:39:21 +02:00
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memcpy(updated, ce, size);
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fill_stat_cache_info(updated, &st);
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2006-02-09 06:15:24 +01:00
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2006-02-09 06:49:47 +01:00
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/* In this case, if really is not set, we should leave
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* CE_VALID bit alone. Otherwise, paths marked with
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* --no-assume-unchanged (i.e. things to be edited) will
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* reacquire CE_VALID bit automatically, which is not
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* really what we want.
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*/
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if (!really && assume_unchanged && !(ce->ce_flags & htons(CE_VALID)))
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updated->ce_flags &= ~htons(CE_VALID);
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2005-04-11 18:39:21 +02:00
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return updated;
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2005-04-10 20:32:54 +02:00
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}
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2006-02-09 06:15:24 +01:00
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static int refresh_cache(int really)
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2005-04-10 20:32:54 +02:00
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{
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int i;
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2005-05-02 06:07:40 +02:00
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int has_errors = 0;
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2005-04-10 20:32:54 +02:00
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2005-04-11 18:39:21 +02:00
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for (i = 0; i < active_nr; i++) {
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2005-04-18 19:42:48 +02:00
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struct cache_entry *ce, *new;
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ce = active_cache[i];
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if (ce_stage(ce)) {
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while ((i < active_nr) &&
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! strcmp(active_cache[i]->name, ce->name))
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i++;
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i--;
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2005-10-01 22:24:27 +02:00
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if (allow_unmerged)
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continue;
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printf("%s: needs merge\n", ce->name);
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has_errors = 1;
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2005-04-18 19:42:48 +02:00
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continue;
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}
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2005-04-11 18:39:21 +02:00
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2006-02-09 06:15:24 +01:00
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new = refresh_entry(ce, really);
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2005-10-01 22:24:27 +02:00
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if (!new)
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continue;
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2005-04-25 00:14:16 +02:00
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if (IS_ERR(new)) {
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2005-06-21 06:18:54 +02:00
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if (not_new && PTR_ERR(new) == -ENOENT)
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continue;
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2006-02-09 06:15:24 +01:00
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if (really && PTR_ERR(new) == -EINVAL) {
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/* If we are doing --really-refresh that
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* means the index is not valid anymore.
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*/
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ce->ce_flags &= ~htons(CE_VALID);
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active_cache_changed = 1;
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}
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2005-06-21 06:18:54 +02:00
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if (quiet)
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continue;
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printf("%s: needs update\n", ce->name);
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has_errors = 1;
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2005-04-11 18:39:21 +02:00
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continue;
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}
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2005-05-07 01:48:43 +02:00
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active_cache_changed = 1;
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2005-04-17 23:34:51 +02:00
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/* You can NOT just free active_cache[i] here, since it
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* might not be necessarily malloc()ed but can also come
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* from mmap(). */
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2005-04-11 18:39:21 +02:00
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active_cache[i] = new;
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}
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2005-05-02 06:07:40 +02:00
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return has_errors;
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2005-04-08 00:13:13 +02:00
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}
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/*
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* We fundamentally don't like some paths: we don't want
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2005-05-24 23:40:28 +02:00
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* dot or dot-dot anywhere, and for obvious reasons don't
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* want to recurse into ".git" either.
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2005-04-08 00:13:13 +02:00
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*
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* Also, we don't want double slashes or slashes at the
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2005-04-12 20:36:26 +02:00
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* end that can make pathnames ambiguous.
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2005-04-08 00:13:13 +02:00
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*/
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2005-05-24 23:40:28 +02:00
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static int verify_dotfile(const char *rest)
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{
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/*
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* The first character was '.', but that
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* has already been discarded, we now test
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* the rest.
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*/
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switch (*rest) {
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/* "." is not allowed */
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case '\0': case '/':
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return 0;
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/*
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* ".git" followed by NUL or slash is bad. This
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* shares the path end test with the ".." case.
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*/
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case 'g':
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if (rest[1] != 'i')
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break;
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if (rest[2] != 't')
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break;
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rest += 2;
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/* fallthrough */
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case '.':
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if (rest[1] == '\0' || rest[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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2005-09-21 09:00:47 +02:00
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static int verify_path(const char *path)
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2005-04-08 00:13:13 +02:00
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{
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char c;
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goto inside;
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for (;;) {
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if (!c)
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return 1;
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if (c == '/') {
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inside:
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c = *path++;
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2005-05-24 23:40:28 +02:00
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switch (c) {
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default:
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2005-04-08 00:13:13 +02:00
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continue;
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2005-05-24 23:40:28 +02:00
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case '/': case '\0':
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break;
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case '.':
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if (verify_dotfile(path))
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continue;
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}
|
2005-04-08 00:13:13 +02:00
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return 0;
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}
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c = *path++;
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}
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}
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2005-12-07 10:45:38 +01:00
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static int add_cacheinfo(unsigned int mode, const unsigned char *sha1,
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|
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const char *path, int stage)
|
2005-04-15 20:08:33 +02:00
|
|
|
{
|
2005-05-08 06:55:21 +02:00
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int size, len, option;
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2005-04-15 20:08:33 +02:00
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|
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struct cache_entry *ce;
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2005-12-07 10:45:38 +01:00
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if (!verify_path(path))
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2005-04-15 20:08:33 +02:00
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return -1;
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2005-12-07 10:45:38 +01:00
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len = strlen(path);
|
2005-04-15 20:08:33 +02:00
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size = cache_entry_size(len);
|
2006-04-03 20:30:46 +02:00
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ce = xcalloc(1, size);
|
2005-04-15 20:08:33 +02:00
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memcpy(ce->sha1, sha1, 20);
|
2005-12-07 10:45:38 +01:00
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|
|
memcpy(ce->name, path, len);
|
|
|
|
ce->ce_flags = create_ce_flags(len, stage);
|
2005-04-17 07:26:31 +02:00
|
|
|
ce->ce_mode = create_ce_mode(mode);
|
2006-02-09 06:15:24 +01:00
|
|
|
if (assume_unchanged)
|
|
|
|
ce->ce_flags |= htons(CE_VALID);
|
2005-05-08 06:55:21 +02:00
|
|
|
option = allow_add ? ADD_CACHE_OK_TO_ADD : 0;
|
|
|
|
option |= allow_replace ? ADD_CACHE_OK_TO_REPLACE : 0;
|
2005-10-15 06:56:46 +02:00
|
|
|
if (add_cache_entry(ce, option))
|
|
|
|
return error("%s: cannot add to the index - missing --add option?",
|
2005-12-07 10:45:38 +01:00
|
|
|
path);
|
|
|
|
report("add '%s'", path);
|
2005-10-15 06:56:46 +02:00
|
|
|
return 0;
|
2005-04-15 20:08:33 +02:00
|
|
|
}
|
|
|
|
|
2006-04-23 09:01:29 +02:00
|
|
|
static void chmod_path(int flip, const char *path)
|
2005-10-12 03:45:33 +02:00
|
|
|
{
|
|
|
|
int pos;
|
|
|
|
struct cache_entry *ce;
|
|
|
|
unsigned int mode;
|
2005-04-26 20:55:42 +02:00
|
|
|
|
2005-10-12 03:45:33 +02:00
|
|
|
pos = cache_name_pos(path, strlen(path));
|
|
|
|
if (pos < 0)
|
2006-04-23 09:01:29 +02:00
|
|
|
goto fail;
|
2005-10-12 03:45:33 +02:00
|
|
|
ce = active_cache[pos];
|
|
|
|
mode = ntohl(ce->ce_mode);
|
|
|
|
if (!S_ISREG(mode))
|
2006-04-23 09:01:29 +02:00
|
|
|
goto fail;
|
2005-10-12 03:45:33 +02:00
|
|
|
switch (flip) {
|
|
|
|
case '+':
|
|
|
|
ce->ce_mode |= htonl(0111); break;
|
|
|
|
case '-':
|
|
|
|
ce->ce_mode &= htonl(~0111); break;
|
|
|
|
default:
|
2006-04-23 09:01:29 +02:00
|
|
|
goto fail;
|
2005-10-12 03:45:33 +02:00
|
|
|
}
|
|
|
|
active_cache_changed = 1;
|
2006-04-23 09:01:29 +02:00
|
|
|
report("chmod %cx '%s'", flip, path);
|
|
|
|
return;
|
|
|
|
fail:
|
|
|
|
die("git-update-index: cannot chmod %cx '%s'", flip, path);
|
2005-10-12 03:45:33 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
static struct cache_file cache_file;
|
2005-09-27 03:13:08 +02:00
|
|
|
|
|
|
|
static void update_one(const char *path, const char *prefix, int prefix_length)
|
|
|
|
{
|
|
|
|
const char *p = prefix_path(prefix, prefix_length, path);
|
|
|
|
if (!verify_path(p)) {
|
|
|
|
fprintf(stderr, "Ignoring path %s\n", path);
|
2006-05-06 07:53:56 +02:00
|
|
|
goto free_return;
|
2005-09-27 03:13:08 +02:00
|
|
|
}
|
2006-02-09 06:15:24 +01:00
|
|
|
if (mark_valid_only) {
|
|
|
|
if (mark_valid(p))
|
|
|
|
die("Unable to mark file %s", path);
|
2006-05-06 07:53:56 +02:00
|
|
|
goto free_return;
|
2006-02-09 06:15:24 +01:00
|
|
|
}
|
|
|
|
|
2005-09-27 03:13:08 +02:00
|
|
|
if (force_remove) {
|
|
|
|
if (remove_file_from_cache(p))
|
|
|
|
die("git-update-index: unable to remove %s", path);
|
2005-10-15 06:56:46 +02:00
|
|
|
report("remove '%s'", path);
|
2006-05-06 07:53:56 +02:00
|
|
|
goto free_return;
|
2005-09-27 03:13:08 +02:00
|
|
|
}
|
|
|
|
if (add_file_to_cache(p))
|
|
|
|
die("Unable to process file %s", path);
|
2005-10-15 06:56:46 +02:00
|
|
|
report("add '%s'", path);
|
2006-05-06 07:53:56 +02:00
|
|
|
free_return:
|
|
|
|
if (p != path)
|
|
|
|
free((char*)p);
|
2005-09-27 03:13:08 +02:00
|
|
|
}
|
|
|
|
|
2005-10-07 12:42:00 +02:00
|
|
|
static void read_index_info(int line_termination)
|
|
|
|
{
|
|
|
|
struct strbuf buf;
|
|
|
|
strbuf_init(&buf);
|
|
|
|
while (1) {
|
2005-11-22 06:46:57 +01:00
|
|
|
char *ptr, *tab;
|
2005-10-16 09:39:07 +02:00
|
|
|
char *path_name;
|
2005-10-07 12:42:00 +02:00
|
|
|
unsigned char sha1[20];
|
|
|
|
unsigned int mode;
|
2005-12-07 10:45:38 +01:00
|
|
|
int stage;
|
|
|
|
|
|
|
|
/* This reads lines formatted in one of three formats:
|
|
|
|
*
|
|
|
|
* (1) mode SP sha1 TAB path
|
|
|
|
* The first format is what "git-apply --index-info"
|
|
|
|
* reports, and used to reconstruct a partial tree
|
|
|
|
* that is used for phony merge base tree when falling
|
|
|
|
* back on 3-way merge.
|
|
|
|
*
|
|
|
|
* (2) mode SP type SP sha1 TAB path
|
|
|
|
* The second format is to stuff git-ls-tree output
|
|
|
|
* into the index file.
|
|
|
|
*
|
|
|
|
* (3) mode SP sha1 SP stage TAB path
|
|
|
|
* This format is to put higher order stages into the
|
|
|
|
* index file and matches git-ls-files --stage output.
|
|
|
|
*/
|
2005-10-07 12:42:00 +02:00
|
|
|
read_line(&buf, stdin, line_termination);
|
|
|
|
if (buf.eof)
|
|
|
|
break;
|
|
|
|
|
|
|
|
mode = strtoul(buf.buf, &ptr, 8);
|
2005-11-22 06:46:57 +01:00
|
|
|
if (ptr == buf.buf || *ptr != ' ')
|
2005-10-07 12:42:00 +02:00
|
|
|
goto bad_line;
|
|
|
|
|
2005-11-22 06:46:57 +01:00
|
|
|
tab = strchr(ptr, '\t');
|
|
|
|
if (!tab || tab - ptr < 41)
|
|
|
|
goto bad_line;
|
2005-12-07 10:45:38 +01:00
|
|
|
|
2006-02-01 03:03:37 +01:00
|
|
|
if (tab[-2] == ' ' && '0' <= tab[-1] && tab[-1] <= '3') {
|
2005-12-07 10:45:38 +01:00
|
|
|
stage = tab[-1] - '0';
|
|
|
|
ptr = tab + 1; /* point at the head of path */
|
|
|
|
tab = tab - 2; /* point at tail of sha1 */
|
|
|
|
}
|
|
|
|
else {
|
|
|
|
stage = 0;
|
|
|
|
ptr = tab + 1; /* point at the head of path */
|
|
|
|
}
|
|
|
|
|
2005-11-22 06:46:57 +01:00
|
|
|
if (get_sha1_hex(tab - 40, sha1) || tab[-41] != ' ')
|
|
|
|
goto bad_line;
|
2005-10-16 09:39:07 +02:00
|
|
|
|
|
|
|
if (line_termination && ptr[0] == '"')
|
|
|
|
path_name = unquote_c_style(ptr, NULL);
|
|
|
|
else
|
|
|
|
path_name = ptr;
|
|
|
|
|
|
|
|
if (!verify_path(path_name)) {
|
|
|
|
fprintf(stderr, "Ignoring path %s\n", path_name);
|
|
|
|
if (path_name != ptr)
|
|
|
|
free(path_name);
|
2005-10-07 12:42:00 +02:00
|
|
|
continue;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (!mode) {
|
|
|
|
/* mode == 0 means there is no such path -- remove */
|
2005-10-16 09:39:07 +02:00
|
|
|
if (remove_file_from_cache(path_name))
|
2005-10-07 12:42:00 +02:00
|
|
|
die("git-update-index: unable to remove %s",
|
|
|
|
ptr);
|
|
|
|
}
|
|
|
|
else {
|
|
|
|
/* mode ' ' sha1 '\t' name
|
|
|
|
* ptr[-1] points at tab,
|
|
|
|
* ptr[-41] is at the beginning of sha1
|
|
|
|
*/
|
|
|
|
ptr[-42] = ptr[-1] = 0;
|
2005-12-07 10:45:38 +01:00
|
|
|
if (add_cacheinfo(mode, sha1, path_name, stage))
|
2005-10-07 12:42:00 +02:00
|
|
|
die("git-update-index: unable to update %s",
|
2005-10-16 09:39:07 +02:00
|
|
|
path_name);
|
2005-10-07 12:42:00 +02:00
|
|
|
}
|
2005-10-16 09:39:07 +02:00
|
|
|
if (path_name != ptr)
|
|
|
|
free(path_name);
|
2005-10-07 12:42:00 +02:00
|
|
|
continue;
|
|
|
|
|
|
|
|
bad_line:
|
|
|
|
die("malformed index info %s", buf.buf);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2005-10-25 17:26:25 +02:00
|
|
|
static const char update_index_usage[] =
|
2006-05-06 02:40:47 +02:00
|
|
|
"git-update-index [-q] [--add] [--replace] [--remove] [--unmerged] [--refresh] [--really-refresh] [--cacheinfo] [--chmod=(+|-)x] [--assume-unchanged] [--info-only] [--force-remove] [--stdin] [--index-info] [--unresolve] [--again] [--ignore-missing] [-z] [--verbose] [--] <file>...";
|
2005-10-25 17:26:25 +02:00
|
|
|
|
2006-04-20 08:52:05 +02:00
|
|
|
static unsigned char head_sha1[20];
|
|
|
|
static unsigned char merge_head_sha1[20];
|
|
|
|
|
|
|
|
static struct cache_entry *read_one_ent(const char *which,
|
|
|
|
unsigned char *ent, const char *path,
|
|
|
|
int namelen, int stage)
|
|
|
|
{
|
|
|
|
unsigned mode;
|
|
|
|
unsigned char sha1[20];
|
|
|
|
int size;
|
|
|
|
struct cache_entry *ce;
|
|
|
|
|
|
|
|
if (get_tree_entry(ent, path, sha1, &mode)) {
|
2006-05-06 02:40:47 +02:00
|
|
|
if (which)
|
|
|
|
error("%s: not in %s branch.", path, which);
|
2006-04-20 08:52:05 +02:00
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
if (mode == S_IFDIR) {
|
2006-05-06 02:40:47 +02:00
|
|
|
if (which)
|
|
|
|
error("%s: not a blob in %s branch.", path, which);
|
2006-04-20 08:52:05 +02:00
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
size = cache_entry_size(namelen);
|
|
|
|
ce = xcalloc(1, size);
|
|
|
|
|
|
|
|
memcpy(ce->sha1, sha1, 20);
|
|
|
|
memcpy(ce->name, path, namelen);
|
|
|
|
ce->ce_flags = create_ce_flags(namelen, stage);
|
|
|
|
ce->ce_mode = create_ce_mode(mode);
|
|
|
|
return ce;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int unresolve_one(const char *path)
|
|
|
|
{
|
|
|
|
int namelen = strlen(path);
|
|
|
|
int pos;
|
|
|
|
int ret = 0;
|
|
|
|
struct cache_entry *ce_2 = NULL, *ce_3 = NULL;
|
|
|
|
|
|
|
|
/* See if there is such entry in the index. */
|
|
|
|
pos = cache_name_pos(path, namelen);
|
|
|
|
if (pos < 0) {
|
|
|
|
/* If there isn't, either it is unmerged, or
|
|
|
|
* resolved as "removed" by mistake. We do not
|
|
|
|
* want to do anything in the former case.
|
|
|
|
*/
|
|
|
|
pos = -pos-1;
|
|
|
|
if (pos < active_nr) {
|
|
|
|
struct cache_entry *ce = active_cache[pos];
|
|
|
|
if (ce_namelen(ce) == namelen &&
|
|
|
|
!memcmp(ce->name, path, namelen)) {
|
|
|
|
fprintf(stderr,
|
|
|
|
"%s: skipping still unmerged path.\n",
|
|
|
|
path);
|
|
|
|
goto free_return;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Grab blobs from given path from HEAD and MERGE_HEAD,
|
|
|
|
* stuff HEAD version in stage #2,
|
|
|
|
* stuff MERGE_HEAD version in stage #3.
|
|
|
|
*/
|
|
|
|
ce_2 = read_one_ent("our", head_sha1, path, namelen, 2);
|
|
|
|
ce_3 = read_one_ent("their", merge_head_sha1, path, namelen, 3);
|
|
|
|
|
|
|
|
if (!ce_2 || !ce_3) {
|
|
|
|
ret = -1;
|
|
|
|
goto free_return;
|
|
|
|
}
|
|
|
|
if (!memcmp(ce_2->sha1, ce_3->sha1, 20) &&
|
|
|
|
ce_2->ce_mode == ce_3->ce_mode) {
|
|
|
|
fprintf(stderr, "%s: identical in both, skipping.\n",
|
|
|
|
path);
|
|
|
|
goto free_return;
|
|
|
|
}
|
|
|
|
|
|
|
|
remove_file_from_cache(path);
|
|
|
|
if (add_cache_entry(ce_2, ADD_CACHE_OK_TO_ADD)) {
|
|
|
|
error("%s: cannot add our version to the index.", path);
|
|
|
|
ret = -1;
|
|
|
|
goto free_return;
|
|
|
|
}
|
|
|
|
if (!add_cache_entry(ce_3, ADD_CACHE_OK_TO_ADD))
|
|
|
|
return 0;
|
|
|
|
error("%s: cannot add their version to the index.", path);
|
|
|
|
ret = -1;
|
|
|
|
free_return:
|
|
|
|
free(ce_2);
|
|
|
|
free(ce_3);
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void read_head_pointers(void)
|
|
|
|
{
|
|
|
|
if (read_ref(git_path("HEAD"), head_sha1))
|
|
|
|
die("No HEAD -- no initial commit yet?\n");
|
|
|
|
if (read_ref(git_path("MERGE_HEAD"), merge_head_sha1)) {
|
|
|
|
fprintf(stderr, "Not in the middle of a merge.\n");
|
|
|
|
exit(0);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2006-05-06 02:50:06 +02:00
|
|
|
static int do_unresolve(int ac, const char **av,
|
|
|
|
const char *prefix, int prefix_length)
|
2006-04-20 08:52:05 +02:00
|
|
|
{
|
|
|
|
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];
|
2006-05-06 02:50:06 +02:00
|
|
|
const char *p = prefix_path(prefix, prefix_length, arg);
|
|
|
|
err |= unresolve_one(p);
|
|
|
|
if (p != arg)
|
|
|
|
free((char*)p);
|
2006-04-20 08:52:05 +02:00
|
|
|
}
|
|
|
|
return err;
|
|
|
|
}
|
|
|
|
|
2006-05-06 02:40:47 +02:00
|
|
|
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;
|
2006-05-06 08:09:05 +02:00
|
|
|
char **pathspec = get_pathspec(prefix, av + 1);
|
2006-05-06 02:40:47 +02:00
|
|
|
|
|
|
|
if (read_ref(git_path("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;
|
2006-05-06 08:09:05 +02:00
|
|
|
|
|
|
|
if (ce_stage(ce) || !ce_path_match(ce, pathspec))
|
2006-05-06 02:40:47 +02:00
|
|
|
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 &&
|
|
|
|
!memcmp(ce->sha1, old->sha1, 20)) {
|
|
|
|
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;
|
|
|
|
}
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2005-09-21 09:00:47 +02:00
|
|
|
int main(int argc, const char **argv)
|
2005-04-08 00:13:13 +02:00
|
|
|
{
|
2005-09-27 03:13:08 +02:00
|
|
|
int i, newfd, entries, has_errors = 0, line_termination = '\n';
|
2005-04-10 20:32:54 +02:00
|
|
|
int allow_options = 1;
|
2005-09-27 03:13:08 +02:00
|
|
|
int read_from_stdin = 0;
|
2005-08-17 22:32:22 +02:00
|
|
|
const char *prefix = setup_git_directory();
|
2005-09-27 03:13:08 +02:00
|
|
|
int prefix_length = prefix ? strlen(prefix) : 0;
|
2006-04-23 09:01:29 +02:00
|
|
|
char set_executable_bit = 0;
|
2005-04-21 19:55:18 +02:00
|
|
|
|
2005-10-12 03:45:33 +02:00
|
|
|
git_config(git_default_config);
|
|
|
|
|
2005-05-15 23:23:12 +02:00
|
|
|
newfd = hold_index_file_for_update(&cache_file, get_index_file());
|
2005-04-12 00:39:26 +02:00
|
|
|
if (newfd < 0)
|
2005-04-13 11:28:48 +02:00
|
|
|
die("unable to create new cachefile");
|
2005-04-12 00:39:26 +02:00
|
|
|
|
2005-04-08 00:13:13 +02:00
|
|
|
entries = read_cache();
|
2005-04-12 00:39:26 +02:00
|
|
|
if (entries < 0)
|
2005-04-13 11:28:48 +02:00
|
|
|
die("cache corrupted");
|
2005-04-08 00:13:13 +02:00
|
|
|
|
|
|
|
for (i = 1 ; i < argc; i++) {
|
2005-09-21 09:00:47 +02:00
|
|
|
const char *path = argv[i];
|
2005-04-10 20:32:54 +02:00
|
|
|
|
|
|
|
if (allow_options && *path == '-') {
|
|
|
|
if (!strcmp(path, "--")) {
|
|
|
|
allow_options = 0;
|
|
|
|
continue;
|
|
|
|
}
|
2005-06-21 06:18:54 +02:00
|
|
|
if (!strcmp(path, "-q")) {
|
|
|
|
quiet = 1;
|
|
|
|
continue;
|
|
|
|
}
|
2005-04-10 20:32:54 +02:00
|
|
|
if (!strcmp(path, "--add")) {
|
|
|
|
allow_add = 1;
|
|
|
|
continue;
|
|
|
|
}
|
2005-05-08 06:55:21 +02:00
|
|
|
if (!strcmp(path, "--replace")) {
|
|
|
|
allow_replace = 1;
|
|
|
|
continue;
|
|
|
|
}
|
2005-04-10 20:32:54 +02:00
|
|
|
if (!strcmp(path, "--remove")) {
|
|
|
|
allow_remove = 1;
|
|
|
|
continue;
|
|
|
|
}
|
2005-10-01 22:24:27 +02:00
|
|
|
if (!strcmp(path, "--unmerged")) {
|
|
|
|
allow_unmerged = 1;
|
|
|
|
continue;
|
|
|
|
}
|
2005-04-10 20:32:54 +02:00
|
|
|
if (!strcmp(path, "--refresh")) {
|
2006-02-09 06:15:24 +01:00
|
|
|
has_errors |= refresh_cache(0);
|
|
|
|
continue;
|
|
|
|
}
|
|
|
|
if (!strcmp(path, "--really-refresh")) {
|
|
|
|
has_errors |= refresh_cache(1);
|
2005-04-10 20:32:54 +02:00
|
|
|
continue;
|
|
|
|
}
|
2005-04-15 20:08:33 +02:00
|
|
|
if (!strcmp(path, "--cacheinfo")) {
|
2005-12-07 10:45:38 +01:00
|
|
|
unsigned char sha1[20];
|
|
|
|
unsigned int mode;
|
|
|
|
|
2005-05-09 00:31:33 +02:00
|
|
|
if (i+3 >= argc)
|
2005-09-08 02:26:23 +02:00
|
|
|
die("git-update-index: --cacheinfo <mode> <sha1> <path>");
|
2005-12-07 10:45:38 +01:00
|
|
|
|
|
|
|
if ((sscanf(argv[i+1], "%o", &mode) != 1) ||
|
|
|
|
get_sha1_hex(argv[i+2], sha1) ||
|
|
|
|
add_cacheinfo(mode, sha1, argv[i+3], 0))
|
|
|
|
die("git-update-index: --cacheinfo"
|
|
|
|
" cannot add %s", argv[i+3]);
|
2005-04-15 20:08:33 +02:00
|
|
|
i += 3;
|
|
|
|
continue;
|
|
|
|
}
|
2005-10-12 03:45:33 +02:00
|
|
|
if (!strcmp(path, "--chmod=-x") ||
|
|
|
|
!strcmp(path, "--chmod=+x")) {
|
|
|
|
if (argc <= i+1)
|
|
|
|
die("git-update-index: %s <path>", path);
|
2006-04-23 09:01:29 +02:00
|
|
|
set_executable_bit = path[8];
|
2005-10-12 03:45:33 +02:00
|
|
|
continue;
|
|
|
|
}
|
2006-02-09 06:15:24 +01:00
|
|
|
if (!strcmp(path, "--assume-unchanged")) {
|
|
|
|
mark_valid_only = MARK_VALID;
|
|
|
|
continue;
|
|
|
|
}
|
|
|
|
if (!strcmp(path, "--no-assume-unchanged")) {
|
|
|
|
mark_valid_only = UNMARK_VALID;
|
|
|
|
continue;
|
|
|
|
}
|
2005-07-09 01:52:12 +02:00
|
|
|
if (!strcmp(path, "--info-only")) {
|
|
|
|
info_only = 1;
|
|
|
|
continue;
|
|
|
|
}
|
2005-05-02 08:50:51 +02:00
|
|
|
if (!strcmp(path, "--force-remove")) {
|
2005-05-31 18:52:43 +02:00
|
|
|
force_remove = 1;
|
2005-05-02 08:50:51 +02:00
|
|
|
continue;
|
|
|
|
}
|
2005-09-27 03:13:08 +02:00
|
|
|
if (!strcmp(path, "-z")) {
|
|
|
|
line_termination = 0;
|
|
|
|
continue;
|
|
|
|
}
|
|
|
|
if (!strcmp(path, "--stdin")) {
|
|
|
|
if (i != argc - 1)
|
|
|
|
die("--stdin must be at the end");
|
|
|
|
read_from_stdin = 1;
|
|
|
|
break;
|
|
|
|
}
|
2005-10-07 12:42:00 +02:00
|
|
|
if (!strcmp(path, "--index-info")) {
|
2006-03-02 18:21:33 +01:00
|
|
|
if (i != argc - 1)
|
|
|
|
die("--index-info must be at the end");
|
2005-10-07 12:42:00 +02:00
|
|
|
allow_add = allow_replace = allow_remove = 1;
|
|
|
|
read_index_info(line_termination);
|
2006-03-02 18:21:33 +01:00
|
|
|
break;
|
2005-10-07 12:42:00 +02:00
|
|
|
}
|
2006-04-20 08:52:05 +02:00
|
|
|
if (!strcmp(path, "--unresolve")) {
|
2006-05-06 02:50:06 +02:00
|
|
|
has_errors = do_unresolve(argc - i, argv + i,
|
|
|
|
prefix, prefix_length);
|
2006-04-20 08:52:05 +02:00
|
|
|
if (has_errors)
|
|
|
|
active_cache_changed = 0;
|
|
|
|
goto finish;
|
|
|
|
}
|
2006-05-06 02:40:47 +02:00
|
|
|
if (!strcmp(path, "--again")) {
|
|
|
|
has_errors = do_reupdate(argc - i, argv + i,
|
|
|
|
prefix, prefix_length);
|
|
|
|
if (has_errors)
|
|
|
|
active_cache_changed = 0;
|
|
|
|
goto finish;
|
|
|
|
}
|
2005-04-25 00:14:16 +02:00
|
|
|
if (!strcmp(path, "--ignore-missing")) {
|
|
|
|
not_new = 1;
|
|
|
|
continue;
|
|
|
|
}
|
2005-10-15 06:56:46 +02:00
|
|
|
if (!strcmp(path, "--verbose")) {
|
|
|
|
verbose = 1;
|
|
|
|
continue;
|
|
|
|
}
|
2005-10-25 17:26:25 +02:00
|
|
|
if (!strcmp(path, "-h") || !strcmp(path, "--help"))
|
|
|
|
usage(update_index_usage);
|
2005-04-13 11:28:48 +02:00
|
|
|
die("unknown option %s", path);
|
2005-04-10 20:32:54 +02:00
|
|
|
}
|
2005-09-27 03:13:08 +02:00
|
|
|
update_one(path, prefix, prefix_length);
|
2006-04-23 09:01:29 +02:00
|
|
|
if (set_executable_bit)
|
|
|
|
chmod_path(set_executable_bit, path);
|
2005-09-27 03:13:08 +02:00
|
|
|
}
|
|
|
|
if (read_from_stdin) {
|
|
|
|
struct strbuf buf;
|
|
|
|
strbuf_init(&buf);
|
|
|
|
while (1) {
|
2006-01-11 22:36:45 +01:00
|
|
|
char *path_name;
|
2006-05-06 07:53:56 +02:00
|
|
|
const char *p;
|
2005-09-27 03:13:08 +02:00
|
|
|
read_line(&buf, stdin, line_termination);
|
|
|
|
if (buf.eof)
|
|
|
|
break;
|
2006-01-11 22:36:45 +01:00
|
|
|
if (line_termination && buf.buf[0] == '"')
|
|
|
|
path_name = unquote_c_style(buf.buf, NULL);
|
|
|
|
else
|
|
|
|
path_name = buf.buf;
|
2006-05-06 07:53:56 +02:00
|
|
|
p = prefix_path(prefix, prefix_length, path_name);
|
|
|
|
update_one(p, NULL, 0);
|
|
|
|
if (set_executable_bit)
|
2006-04-23 09:01:29 +02:00
|
|
|
chmod_path(set_executable_bit, p);
|
2006-05-06 07:53:56 +02:00
|
|
|
if (p != path_name)
|
|
|
|
free((char*) p);
|
2006-01-11 22:36:45 +01:00
|
|
|
if (path_name != buf.buf)
|
|
|
|
free(path_name);
|
2005-05-31 18:52:43 +02:00
|
|
|
}
|
2005-04-08 00:13:13 +02:00
|
|
|
}
|
2006-04-20 08:52:05 +02:00
|
|
|
|
|
|
|
finish:
|
2005-10-01 22:39:47 +02:00
|
|
|
if (active_cache_changed) {
|
|
|
|
if (write_cache(newfd, active_cache, active_nr) ||
|
|
|
|
commit_index_file(&cache_file))
|
|
|
|
die("Unable to write new cachefile");
|
|
|
|
}
|
2005-04-12 00:39:26 +02:00
|
|
|
|
2005-05-06 00:29:06 +02:00
|
|
|
return has_errors ? 1 : 0;
|
2005-04-08 00:13:13 +02:00
|
|
|
}
|