]> git.ipfire.org Git - thirdparty/git.git/blobdiff - unpack-trees.c
Sync with maint
[thirdparty/git.git] / unpack-trees.c
index 545d5668fdf79015784cafcfbc24322b68e8927c..2399b6818be6ddb9a6f4103cec667b2e2a9c24d0 100644 (file)
@@ -1,4 +1,3 @@
-#define NO_THE_INDEX_COMPATIBILITY_MACROS
 #include "cache.h"
 #include "argv-array.h"
 #include "repository.h"
 #include "refs.h"
 #include "attr.h"
 #include "split-index.h"
-#include "dir.h"
 #include "submodule.h"
 #include "submodule-config.h"
 #include "fsmonitor.h"
 #include "object-store.h"
-#include "fetch-object.h"
+#include "promisor-remote.h"
 
 /*
  * Error messages expected by scripts out of plumbing commands such as
@@ -220,6 +218,9 @@ static int add_rejected_path(struct unpack_trees_options *o,
                             enum unpack_trees_error_types e,
                             const char *path)
 {
+       if (o->quiet)
+               return -1;
+
        if (!o->show_all_errors)
                return error(ERRORMSG(o, e), super_prefixed(path));
 
@@ -269,15 +270,14 @@ static int check_submodule_move_head(const struct cache_entry *ce,
                flags |= SUBMODULE_MOVE_HEAD_FORCE;
 
        if (submodule_move_head(ce->name, old_id, new_id, flags))
-               return o->gently ? -1 :
-                                  add_rejected_path(o, ERROR_WOULD_LOSE_SUBMODULE, ce->name);
+               return add_rejected_path(o, ERROR_WOULD_LOSE_SUBMODULE, ce->name);
        return 0;
 }
 
 /*
- * Preform the loading of the repository's gitmodules file.  This function is
+ * Perform the loading of the repository's gitmodules file.  This function is
  * used by 'check_update()' to perform loading of the gitmodules file in two
- * differnt situations:
+ * different situations:
  * (1) before removing entries from the working tree if the gitmodules file has
  *     been marked for removal.  This situation is specified by 'state' == NULL.
  * (2) before checking out entries to the working tree if the gitmodules file
@@ -294,31 +294,12 @@ static void load_gitmodules_file(struct index_state *index,
                        repo_read_gitmodules(the_repository);
                } else if (state && (ce->ce_flags & CE_UPDATE)) {
                        submodule_free(the_repository);
-                       checkout_entry(ce, state, NULL);
+                       checkout_entry(ce, state, NULL, NULL);
                        repo_read_gitmodules(the_repository);
                }
        }
 }
 
-/*
- * Unlink the last component and schedule the leading directories for
- * removal, such that empty directories get removed.
- */
-static void unlink_entry(const struct cache_entry *ce)
-{
-       const struct submodule *sub = submodule_from_ce(ce);
-       if (sub) {
-               /* state.force is set at the caller. */
-               submodule_move_head(ce->name, "HEAD", NULL,
-                                   SUBMODULE_MOVE_HEAD_FORCE);
-       }
-       if (!check_leading_path(ce->name, ce_namelen(ce)))
-               return;
-       if (remove_or_warn(ce->ce_mode, ce->name))
-               return;
-       schedule_dir_for_removal(ce->name, ce_namelen(ce));
-}
-
 static struct progress *get_progress(struct unpack_trees_options *o)
 {
        unsigned cnt = 0, total = 0;
@@ -333,7 +314,7 @@ static struct progress *get_progress(struct unpack_trees_options *o)
                        total++;
        }
 
-       return start_delayed_progress(_("Checking out files"), total);
+       return start_delayed_progress(_("Updating files"), total);
 }
 
 static void setup_collided_checkout_detection(struct checkout *state,
@@ -411,33 +392,34 @@ static int check_updates(struct unpack_trees_options *o)
                                unlink_entry(ce);
                }
        }
-       remove_marked_cache_entries(index);
+       remove_marked_cache_entries(index, 0);
        remove_scheduled_dirs();
 
        if (should_update_submodules() && o->update && !o->dry_run)
                load_gitmodules_file(index, &state);
 
        enable_delayed_checkout(&state);
-       if (repository_format_partial_clone && o->update && !o->dry_run) {
+       if (has_promisor_remote() && o->update && !o->dry_run) {
                /*
                 * Prefetch the objects that are to be checked out in the loop
                 * below.
                 */
                struct oid_array to_fetch = OID_ARRAY_INIT;
-               int fetch_if_missing_store = fetch_if_missing;
-               fetch_if_missing = 0;
                for (i = 0; i < index->cache_nr; i++) {
                        struct cache_entry *ce = index->cache[i];
-                       if ((ce->ce_flags & CE_UPDATE) &&
-                           !S_ISGITLINK(ce->ce_mode)) {
-                               if (!has_object_file(&ce->oid))
-                                       oid_array_append(&to_fetch, &ce->oid);
-                       }
+
+                       if (!(ce->ce_flags & CE_UPDATE) ||
+                           S_ISGITLINK(ce->ce_mode))
+                               continue;
+                       if (!oid_object_info_extended(the_repository, &ce->oid,
+                                                     NULL,
+                                                     OBJECT_INFO_FOR_PREFETCH))
+                               continue;
+                       oid_array_append(&to_fetch, &ce->oid);
                }
                if (to_fetch.nr)
-                       fetch_objects(repository_format_partial_clone,
-                                     to_fetch.oid, to_fetch.nr);
-               fetch_if_missing = fetch_if_missing_store;
+                       promisor_remote_get_direct(the_repository,
+                                                  to_fetch.oid, to_fetch.nr);
                oid_array_clear(&to_fetch);
        }
        for (i = 0; i < index->cache_nr; i++) {
@@ -450,12 +432,12 @@ static int check_updates(struct unpack_trees_options *o)
                        display_progress(progress, ++cnt);
                        ce->ce_flags &= ~CE_UPDATE;
                        if (o->update && !o->dry_run) {
-                               errs |= checkout_entry(ce, &state, NULL);
+                               errs |= checkout_entry(ce, &state, NULL, NULL);
                        }
                }
        }
        stop_progress(&progress);
-       errs |= finish_delayed_checkout(&state);
+       errs |= finish_delayed_checkout(&state, NULL);
        if (o->update)
                git_attr_set_direction(GIT_ATTR_CHECKIN);
 
@@ -649,7 +631,7 @@ static int unpack_index_entry(struct cache_entry *ce,
        return ret;
 }
 
-static int find_cache_pos(struct traverse_info *, const struct name_entry *);
+static int find_cache_pos(struct traverse_info *, const char *p, size_t len);
 
 static void restore_cache_bottom(struct traverse_info *info, int bottom)
 {
@@ -668,7 +650,7 @@ static int switch_cache_bottom(struct traverse_info *info)
        if (o->diff_index_cached)
                return 0;
        ret = o->cache_bottom;
-       pos = find_cache_pos(info->prev, &info->name);
+       pos = find_cache_pos(info->prev, info->name, info->namelen);
 
        if (pos < -1)
                o->cache_bottom = -2 - pos;
@@ -679,7 +661,7 @@ static int switch_cache_bottom(struct traverse_info *info)
 
 static inline int are_same_oid(struct name_entry *name_j, struct name_entry *name_k)
 {
-       return name_j->oid && name_k->oid && oideq(name_j->oid, name_k->oid);
+       return !is_null_oid(&name_j->oid) && !is_null_oid(&name_k->oid) && oideq(&name_j->oid, &name_k->oid);
 }
 
 static int all_trees_same_as_cache_tree(int n, unsigned long dirmask,
@@ -703,21 +685,19 @@ static int index_pos_by_traverse_info(struct name_entry *names,
                                      struct traverse_info *info)
 {
        struct unpack_trees_options *o = info->data;
-       int len = traverse_path_len(info, names);
-       char *name = xmalloc(len + 1 /* slash */ + 1 /* NUL */);
+       struct strbuf name = STRBUF_INIT;
        int pos;
 
-       make_traverse_path(name, info, names);
-       name[len++] = '/';
-       name[len] = '\0';
-       pos = index_name_pos(o->src_index, name, len);
+       strbuf_make_traverse_path(&name, info, names->path, names->pathlen);
+       strbuf_addch(&name, '/');
+       pos = index_name_pos(o->src_index, name.buf, name.len);
        if (pos >= 0)
                BUG("This is a directory and should not exist in index");
        pos = -pos - 1;
-       if (!starts_with(o->src_index->cache[pos]->name, name) ||
-           (pos > 0 && starts_with(o->src_index->cache[pos-1]->name, name)))
+       if (!starts_with(o->src_index->cache[pos]->name, name.buf) ||
+           (pos > 0 && starts_with(o->src_index->cache[pos-1]->name, name.buf)))
                BUG("pos must point at the first entry in this directory");
-       free(name);
+       strbuf_release(&name);
        return pos;
 }
 
@@ -727,7 +707,6 @@ static int index_pos_by_traverse_info(struct name_entry *names,
  * instead of ODB since we already know what these trees contain.
  */
 static int traverse_by_cache_tree(int pos, int nr_entries, int nr_names,
-                                 struct name_entry *names,
                                  struct traverse_info *info)
 {
        struct cache_entry *src[MAX_UNPACK_TREES + 1] = { NULL, };
@@ -794,6 +773,7 @@ static int traverse_trees_recursive(int n, unsigned long dirmask,
                                    struct name_entry *names,
                                    struct traverse_info *info)
 {
+       struct unpack_trees_options *o = info->data;
        int i, ret, bottom;
        int nr_buf = 0;
        struct tree_desc t[MAX_UNPACK_TREES];
@@ -804,7 +784,6 @@ static int traverse_trees_recursive(int n, unsigned long dirmask,
 
        nr_entries = all_trees_same_as_cache_tree(n, dirmask, names, info);
        if (nr_entries > 0) {
-               struct unpack_trees_options *o = info->data;
                int pos = index_pos_by_traverse_info(names, info);
 
                if (!o->merge || df_conflicts)
@@ -817,7 +796,7 @@ static int traverse_trees_recursive(int n, unsigned long dirmask,
                 * unprocessed entries before 'pos'.
                 */
                bottom = o->cache_bottom;
-               ret = traverse_by_cache_tree(pos, nr_entries, n, names, info);
+               ret = traverse_by_cache_tree(pos, nr_entries, n, info);
                o->cache_bottom = bottom;
                return ret;
        }
@@ -829,8 +808,10 @@ static int traverse_trees_recursive(int n, unsigned long dirmask,
        newinfo = *info;
        newinfo.prev = info;
        newinfo.pathspec = info->pathspec;
-       newinfo.name = *p;
-       newinfo.pathlen += tree_entry_len(p) + 1;
+       newinfo.name = p->path;
+       newinfo.namelen = p->pathlen;
+       newinfo.mode = p->mode;
+       newinfo.pathlen = st_add3(newinfo.pathlen, tree_entry_len(p), 1);
        newinfo.df_conflicts |= df_conflicts;
 
        /*
@@ -857,13 +838,13 @@ static int traverse_trees_recursive(int n, unsigned long dirmask,
                else {
                        const struct object_id *oid = NULL;
                        if (dirmask & 1)
-                               oid = names[i].oid;
-                       buf[nr_buf++] = fill_tree_descriptor(t + i, oid);
+                               oid = &names[i].oid;
+                       buf[nr_buf++] = fill_tree_descriptor(the_repository, t + i, oid);
                }
        }
 
        bottom = switch_cache_bottom(&newinfo);
-       ret = traverse_trees(n, t, &newinfo);
+       ret = traverse_trees(o->src_index, n, t, &newinfo);
        restore_cache_bottom(&newinfo, bottom);
 
        for (i = 0; i < nr_buf; i++)
@@ -881,14 +862,18 @@ static int traverse_trees_recursive(int n, unsigned long dirmask,
  * itself - the caller needs to do the final check for the cache
  * entry having more data at the end!
  */
-static int do_compare_entry_piecewise(const struct cache_entry *ce, const struct traverse_info *info, const struct name_entry *n)
+static int do_compare_entry_piecewise(const struct cache_entry *ce,
+                                     const struct traverse_info *info,
+                                     const char *name, size_t namelen,
+                                     unsigned mode)
 {
-       int len, pathlen, ce_len;
+       int pathlen, ce_len;
        const char *ce_name;
 
        if (info->prev) {
                int cmp = do_compare_entry_piecewise(ce, info->prev,
-                                                    &info->name);
+                                                    info->name, info->namelen,
+                                                    info->mode);
                if (cmp)
                        return cmp;
        }
@@ -902,15 +887,15 @@ static int do_compare_entry_piecewise(const struct cache_entry *ce, const struct
        ce_len -= pathlen;
        ce_name = ce->name + pathlen;
 
-       len = tree_entry_len(n);
-       return df_name_compare(ce_name, ce_len, S_IFREG, n->path, len, n->mode);
+       return df_name_compare(ce_name, ce_len, S_IFREG, name, namelen, mode);
 }
 
 static int do_compare_entry(const struct cache_entry *ce,
                            const struct traverse_info *info,
-                           const struct name_entry *n)
+                           const char *name, size_t namelen,
+                           unsigned mode)
 {
-       int len, pathlen, ce_len;
+       int pathlen, ce_len;
        const char *ce_name;
        int cmp;
 
@@ -920,7 +905,7 @@ static int do_compare_entry(const struct cache_entry *ce,
         * it is quicker to use the precomputed version.
         */
        if (!info->traverse_path)
-               return do_compare_entry_piecewise(ce, info, n);
+               return do_compare_entry_piecewise(ce, info, name, namelen, mode);
 
        cmp = strncmp(ce->name, info->traverse_path, info->pathlen);
        if (cmp)
@@ -935,13 +920,12 @@ static int do_compare_entry(const struct cache_entry *ce,
        ce_len -= pathlen;
        ce_name = ce->name + pathlen;
 
-       len = tree_entry_len(n);
-       return df_name_compare(ce_name, ce_len, S_IFREG, n->path, len, n->mode);
+       return df_name_compare(ce_name, ce_len, S_IFREG, name, namelen, mode);
 }
 
 static int compare_entry(const struct cache_entry *ce, const struct traverse_info *info, const struct name_entry *n)
 {
-       int cmp = do_compare_entry(ce, info, n);
+       int cmp = do_compare_entry(ce, info, n->path, n->pathlen, n->mode);
        if (cmp)
                return cmp;
 
@@ -949,7 +933,7 @@ static int compare_entry(const struct cache_entry *ce, const struct traverse_inf
         * Even if the beginning compared identically, the ce should
         * compare as bigger than a directory leading up to it!
         */
-       return ce_namelen(ce) > traverse_path_len(info, n);
+       return ce_namelen(ce) > traverse_path_len(info, tree_entry_len(n));
 }
 
 static int ce_in_traverse_path(const struct cache_entry *ce,
@@ -957,7 +941,8 @@ static int ce_in_traverse_path(const struct cache_entry *ce,
 {
        if (!info->prev)
                return 1;
-       if (do_compare_entry(ce, info->prev, &info->name))
+       if (do_compare_entry(ce, info->prev,
+                            info->name, info->namelen, info->mode))
                return 0;
        /*
         * If ce (blob) is the same name as the path (which is a tree
@@ -972,7 +957,7 @@ static struct cache_entry *create_ce_entry(const struct traverse_info *info,
        struct index_state *istate,
        int is_transient)
 {
-       int len = traverse_path_len(info, n);
+       size_t len = traverse_path_len(info, tree_entry_len(n));
        struct cache_entry *ce =
                is_transient ?
                make_empty_transient_cache_entry(len) :
@@ -981,8 +966,9 @@ static struct cache_entry *create_ce_entry(const struct traverse_info *info,
        ce->ce_mode = create_ce_mode(n->mode);
        ce->ce_flags = create_ce_flags(stage);
        ce->ce_namelen = len;
-       oidcpy(&ce->oid, n->oid);
-       make_traverse_path(ce->name, info, n);
+       oidcpy(&ce->oid, &n->oid);
+       /* len+1 because the cache_entry allocates space for NUL */
+       make_traverse_path(ce->name, len + 1, info, n->path, n->pathlen);
 
        return ce;
 }
@@ -1060,7 +1046,7 @@ static int unpack_nondirectories(int n, unsigned long mask,
 static int unpack_failed(struct unpack_trees_options *o, const char *message)
 {
        discard_index(&o->result);
-       if (!o->gently && !o->exiting_early) {
+       if (!o->quiet && !o->exiting_early) {
                if (message)
                        return error("%s", message);
                return -1;
@@ -1075,13 +1061,12 @@ static int unpack_failed(struct unpack_trees_options *o, const char *message)
  * the directory.
  */
 static int find_cache_pos(struct traverse_info *info,
-                         const struct name_entry *p)
+                         const char *p, size_t p_len)
 {
        int pos;
        struct unpack_trees_options *o = info->data;
        struct index_state *index = o->src_index;
        int pfxlen = info->pathlen;
-       int p_len = tree_entry_len(p);
 
        for (pos = o->cache_bottom; pos < index->cache_nr; pos++) {
                const struct cache_entry *ce = index->cache[pos];
@@ -1117,7 +1102,7 @@ static int find_cache_pos(struct traverse_info *info,
                        ce_len = ce_slash - ce_name;
                else
                        ce_len = ce_namelen(ce) - pfxlen;
-               cmp = name_compare(p->path, p_len, ce_name, ce_len);
+               cmp = name_compare(p, p_len, ce_name, ce_len);
                /*
                 * Exact match; if we have a directory we need to
                 * delay returning it.
@@ -1132,7 +1117,7 @@ static int find_cache_pos(struct traverse_info *info,
                 * E.g.  ce_name == "t-i", and p->path == "t"; we may
                 * have "t/a" in the index.
                 */
-               if (p_len < ce_len && !memcmp(ce_name, p->path, p_len) &&
+               if (p_len < ce_len && !memcmp(ce_name, p, p_len) &&
                    ce_name[p_len] < '/')
                        continue; /* keep looking */
                break;
@@ -1143,7 +1128,7 @@ static int find_cache_pos(struct traverse_info *info,
 static struct cache_entry *find_cache_entry(struct traverse_info *info,
                                            const struct name_entry *p)
 {
-       int pos = find_cache_pos(info, p);
+       int pos = find_cache_pos(info, p->path, p->pathlen);
        struct unpack_trees_options *o = info->data;
 
        if (0 <= pos)
@@ -1156,10 +1141,10 @@ static void debug_path(struct traverse_info *info)
 {
        if (info->prev) {
                debug_path(info->prev);
-               if (*info->prev->name.path)
+               if (*info->prev->name)
                        putchar('/');
        }
-       printf("%s", info->name.path);
+       printf("%s", info->name);
 }
 
 static void debug_name_entry(int i, struct name_entry *n)
@@ -1283,7 +1268,9 @@ static int clear_ce_flags_1(struct index_state *istate,
                            struct cache_entry **cache, int nr,
                            struct strbuf *prefix,
                            int select_mask, int clear_mask,
-                           struct exclude_list *el, int defval);
+                           struct pattern_list *pl,
+                           enum pattern_match_result default_match,
+                           int progress_nr);
 
 /* Whole directory matching */
 static int clear_ce_flags_dir(struct index_state *istate,
@@ -1291,19 +1278,24 @@ static int clear_ce_flags_dir(struct index_state *istate,
                              struct strbuf *prefix,
                              char *basename,
                              int select_mask, int clear_mask,
-                             struct exclude_list *el, int defval)
+                             struct pattern_list *pl,
+                             enum pattern_match_result default_match,
+                             int progress_nr)
 {
        struct cache_entry **cache_end;
        int dtype = DT_DIR;
-       int ret = is_excluded_from_list(prefix->buf, prefix->len,
-                                       basename, &dtype, el, istate);
        int rc;
+       enum pattern_match_result ret, orig_ret;
+       orig_ret = path_matches_pattern_list(prefix->buf, prefix->len,
+                                            basename, &dtype, pl, istate);
 
        strbuf_addch(prefix, '/');
 
        /* If undecided, use matching result of parent dir in defval */
-       if (ret < 0)
-               ret = defval;
+       if (orig_ret == UNDECIDED)
+               ret = default_match;
+       else
+               ret = orig_ret;
 
        for (cache_end = cache; cache_end != cache + nr; cache_end++) {
                struct cache_entry *ce = *cache_end;
@@ -1311,24 +1303,31 @@ static int clear_ce_flags_dir(struct index_state *istate,
                        break;
        }
 
-       /*
-        * TODO: check el, if there are no patterns that may conflict
-        * with ret (iow, we know in advance the incl/excl
-        * decision for the entire directory), clear flag here without
-        * calling clear_ce_flags_1(). That function will call
-        * the expensive is_excluded_from_list() on every entry.
-        */
-       rc = clear_ce_flags_1(istate, cache, cache_end - cache,
-                             prefix,
-                             select_mask, clear_mask,
-                             el, ret);
+       if (pl->use_cone_patterns && orig_ret == MATCHED_RECURSIVE) {
+               struct cache_entry **ce = cache;
+               rc = (cache_end - cache) / sizeof(struct cache_entry *);
+
+               while (ce < cache_end) {
+                       (*ce)->ce_flags &= ~clear_mask;
+                       ce++;
+               }
+       } else if (pl->use_cone_patterns && orig_ret == NOT_MATCHED) {
+               rc = (cache_end - cache) / sizeof(struct cache_entry *);
+       } else {
+               rc = clear_ce_flags_1(istate, cache, cache_end - cache,
+                                     prefix,
+                                     select_mask, clear_mask,
+                                     pl, ret,
+                                     progress_nr);
+       }
+
        strbuf_setlen(prefix, prefix->len - 1);
        return rc;
 }
 
 /*
  * Traverse the index, find every entry that matches according to
- * o->el. Do "ce_flags &= ~clear_mask" on those entries. Return the
+ * o->pl. Do "ce_flags &= ~clear_mask" on those entries. Return the
  * number of traversed entries.
  *
  * If select_mask is non-zero, only entries whose ce_flags has on of
@@ -1345,7 +1344,9 @@ static int clear_ce_flags_1(struct index_state *istate,
                            struct cache_entry **cache, int nr,
                            struct strbuf *prefix,
                            int select_mask, int clear_mask,
-                           struct exclude_list *el, int defval)
+                           struct pattern_list *pl,
+                           enum pattern_match_result default_match,
+                           int progress_nr)
 {
        struct cache_entry **cache_end = cache + nr;
 
@@ -1356,10 +1357,14 @@ static int clear_ce_flags_1(struct index_state *istate,
        while(cache != cache_end) {
                struct cache_entry *ce = *cache;
                const char *name, *slash;
-               int len, dtype, ret;
+               int len, dtype;
+               enum pattern_match_result ret;
+
+               display_progress(istate->progress, progress_nr);
 
                if (select_mask && !(ce->ce_flags & select_mask)) {
                        cache++;
+                       progress_nr++;
                        continue;
                }
 
@@ -1380,58 +1385,84 @@ static int clear_ce_flags_1(struct index_state *istate,
                                                       prefix,
                                                       prefix->buf + prefix->len - len,
                                                       select_mask, clear_mask,
-                                                      el, defval);
+                                                      pl, default_match,
+                                                      progress_nr);
 
                        /* clear_c_f_dir eats a whole dir already? */
                        if (processed) {
                                cache += processed;
+                               progress_nr += processed;
                                strbuf_setlen(prefix, prefix->len - len);
                                continue;
                        }
 
                        strbuf_addch(prefix, '/');
-                       cache += clear_ce_flags_1(istate, cache, cache_end - cache,
-                                                 prefix,
-                                                 select_mask, clear_mask, el, defval);
+                       processed = clear_ce_flags_1(istate, cache, cache_end - cache,
+                                                    prefix,
+                                                    select_mask, clear_mask, pl,
+                                                    default_match, progress_nr);
+
+                       cache += processed;
+                       progress_nr += processed;
+
                        strbuf_setlen(prefix, prefix->len - len - 1);
                        continue;
                }
 
                /* Non-directory */
                dtype = ce_to_dtype(ce);
-               ret = is_excluded_from_list(ce->name, ce_namelen(ce),
-                                           name, &dtype, el, istate);
-               if (ret < 0)
-                       ret = defval;
-               if (ret > 0)
+               ret = path_matches_pattern_list(ce->name,
+                                               ce_namelen(ce),
+                                               name, &dtype, pl, istate);
+               if (ret == UNDECIDED)
+                       ret = default_match;
+               if (ret == MATCHED)
                        ce->ce_flags &= ~clear_mask;
                cache++;
+               progress_nr++;
        }
+
+       display_progress(istate->progress, progress_nr);
        return nr - (cache_end - cache);
 }
 
 static int clear_ce_flags(struct index_state *istate,
                          int select_mask, int clear_mask,
-                         struct exclude_list *el)
+                         struct pattern_list *pl,
+                         int show_progress)
 {
        static struct strbuf prefix = STRBUF_INIT;
+       char label[100];
+       int rval;
 
        strbuf_reset(&prefix);
-
-       return clear_ce_flags_1(istate,
+       if (show_progress)
+               istate->progress = start_delayed_progress(
+                                       _("Updating index flags"),
+                                       istate->cache_nr);
+
+       xsnprintf(label, sizeof(label), "clear_ce_flags(0x%08lx,0x%08lx)",
+                 (unsigned long)select_mask, (unsigned long)clear_mask);
+       trace2_region_enter("unpack_trees", label, the_repository);
+       rval = clear_ce_flags_1(istate,
                                istate->cache,
                                istate->cache_nr,
                                &prefix,
                                select_mask, clear_mask,
-                               el, 0);
+                               pl, 0, 0);
+       trace2_region_leave("unpack_trees", label, the_repository);
+
+       stop_progress(&istate->progress);
+       return rval;
 }
 
 /*
  * Set/Clear CE_NEW_SKIP_WORKTREE according to $GIT_DIR/info/sparse-checkout
  */
-static void mark_new_skip_worktree(struct exclude_list *el,
+static void mark_new_skip_worktree(struct pattern_list *pl,
                                   struct index_state *istate,
-                                  int select_flag, int skip_wt_flag)
+                                  int select_flag, int skip_wt_flag,
+                                  int show_progress)
 {
        int i;
 
@@ -1455,7 +1486,7 @@ static void mark_new_skip_worktree(struct exclude_list *el,
         * 2. Widen worktree according to sparse-checkout file.
         * Matched entries will have skip_wt_flag cleared (i.e. "in")
         */
-       clear_ce_flags(istate, select_flag, skip_wt_flag, el);
+       clear_ce_flags(istate, select_flag, skip_wt_flag, pl, show_progress);
 }
 
 static int verify_absent(const struct cache_entry *,
@@ -1471,21 +1502,22 @@ int unpack_trees(unsigned len, struct tree_desc *t, struct unpack_trees_options
 {
        int i, ret;
        static struct cache_entry *dfc;
-       struct exclude_list el;
+       struct pattern_list pl;
 
        if (len > MAX_UNPACK_TREES)
                die("unpack_trees takes at most %d trees", MAX_UNPACK_TREES);
 
        trace_performance_enter();
-       memset(&el, 0, sizeof(el));
+       memset(&pl, 0, sizeof(pl));
        if (!core_apply_sparse_checkout || !o->update)
                o->skip_sparse_checkout = 1;
-       if (!o->skip_sparse_checkout) {
+       if (!o->skip_sparse_checkout && !o->pl) {
                char *sparse = git_pathdup("info/sparse-checkout");
-               if (add_excludes_from_file_to_list(sparse, "", 0, &el, NULL) < 0)
+               pl.use_cone_patterns = core_sparse_checkout_cone;
+               if (add_patterns_from_file_to_list(sparse, "", 0, &pl, NULL) < 0)
                        o->skip_sparse_checkout = 1;
                else
-                       o->el = &el;
+                       o->pl = &pl;
                free(sparse);
        }
 
@@ -1512,11 +1544,15 @@ int unpack_trees(unsigned len, struct tree_desc *t, struct unpack_trees_options
        o->merge_size = len;
        mark_all_ce_unused(o->src_index);
 
+       if (o->src_index->fsmonitor_last_update)
+               o->result.fsmonitor_last_update = o->src_index->fsmonitor_last_update;
+
        /*
         * Sparse checkout loop #1: set NEW_SKIP_WORKTREE on existing entries
         */
        if (!o->skip_sparse_checkout)
-               mark_new_skip_worktree(o->el, o->src_index, 0, CE_NEW_SKIP_WORKTREE);
+               mark_new_skip_worktree(o->pl, o->src_index, 0,
+                                      CE_NEW_SKIP_WORKTREE, o->verbose_update);
 
        if (!dfc)
                dfc = xcalloc(1, cache_entry_size(0));
@@ -1550,7 +1586,7 @@ int unpack_trees(unsigned len, struct tree_desc *t, struct unpack_trees_options
                }
 
                trace_performance_enter();
-               ret = traverse_trees(len, t, &info);
+               ret = traverse_trees(o->src_index, len, t, &info);
                trace_performance_leave("traverse_trees");
                if (ret < 0)
                        goto return_failed;
@@ -1581,7 +1617,9 @@ int unpack_trees(unsigned len, struct tree_desc *t, struct unpack_trees_options
                 * If the will have NEW_SKIP_WORKTREE, also set CE_SKIP_WORKTREE
                 * so apply_sparse_checkout() won't attempt to remove it from worktree
                 */
-               mark_new_skip_worktree(o->el, &o->result, CE_ADDED, CE_SKIP_WORKTREE | CE_NEW_SKIP_WORKTREE);
+               mark_new_skip_worktree(o->pl, &o->result,
+                                      CE_ADDED, CE_SKIP_WORKTREE | CE_NEW_SKIP_WORKTREE,
+                                      o->verbose_update);
 
                ret = 0;
                for (i = 0; i < o->result.cache_nr; i++) {
@@ -1630,7 +1668,7 @@ int unpack_trees(unsigned len, struct tree_desc *t, struct unpack_trees_options
                move_index_extensions(&o->result, o->src_index);
                if (!ret) {
                        if (git_env_bool("GIT_TEST_CHECK_CACHE_TREE", 0))
-                               cache_tree_verify(&o->result);
+                               cache_tree_verify(the_repository, &o->result);
                        if (!o->result.cache_tree)
                                o->result.cache_tree = cache_tree();
                        if (!cache_tree_fully_valid(o->result.cache_tree))
@@ -1638,6 +1676,8 @@ int unpack_trees(unsigned len, struct tree_desc *t, struct unpack_trees_options
                                                  WRITE_TREE_SILENT |
                                                  WRITE_TREE_REPAIR);
                }
+
+               o->result.updated_workdir = 1;
                discard_index(o->dst_index);
                *o->dst_index = o->result;
        } else {
@@ -1647,7 +1687,8 @@ int unpack_trees(unsigned len, struct tree_desc *t, struct unpack_trees_options
 
 done:
        trace_performance_leave("unpack_trees");
-       clear_exclude_list(&el);
+       if (!o->keep_pattern_list)
+               clear_pattern_list(&pl);
        return ret;
 
 return_failed:
@@ -1665,8 +1706,7 @@ return_failed:
 static int reject_merge(const struct cache_entry *ce,
                        struct unpack_trees_options *o)
 {
-       return o->gently ? -1 :
-               add_rejected_path(o, ERROR_WOULD_OVERWRITE, ce->name);
+       return add_rejected_path(o, ERROR_WOULD_OVERWRITE, ce->name);
 }
 
 static int same(const struct cache_entry *a, const struct cache_entry *b)
@@ -1713,8 +1753,7 @@ static int verify_uptodate_1(const struct cache_entry *ce,
                        int r = check_submodule_move_head(ce,
                                "HEAD", oid_to_hex(&ce->oid), o);
                        if (r)
-                               return o->gently ? -1 :
-                                       add_rejected_path(o, error_type, ce->name);
+                               return add_rejected_path(o, error_type, ce->name);
                        return 0;
                }
 
@@ -1732,8 +1771,7 @@ static int verify_uptodate_1(const struct cache_entry *ce,
        }
        if (errno == ENOENT)
                return 0;
-       return o->gently ? -1 :
-               add_rejected_path(o, error_type, ce->name);
+       return add_rejected_path(o, error_type, ce->name);
 }
 
 int verify_uptodate(const struct cache_entry *ce,
@@ -1779,7 +1817,6 @@ static void invalidate_ce_path(const struct cache_entry *ce,
  */
 static int verify_clean_submodule(const char *old_sha1,
                                  const struct cache_entry *ce,
-                                 enum unpack_trees_error_types error_type,
                                  struct unpack_trees_options *o)
 {
        if (!submodule_from_ce(ce))
@@ -1790,7 +1827,6 @@ static int verify_clean_submodule(const char *old_sha1,
 }
 
 static int verify_clean_subdirectory(const struct cache_entry *ce,
-                                    enum unpack_trees_error_types error_type,
                                     struct unpack_trees_options *o)
 {
        /*
@@ -1813,7 +1849,7 @@ static int verify_clean_subdirectory(const struct cache_entry *ce,
                if (!sub_head && oideq(&oid, &ce->oid))
                        return 0;
                return verify_clean_submodule(sub_head ? NULL : oid_to_hex(&oid),
-                                             ce, error_type, o);
+                                             ce, o);
        }
 
        /*
@@ -1855,8 +1891,7 @@ static int verify_clean_subdirectory(const struct cache_entry *ce,
                d.exclude_per_dir = o->dir->exclude_per_dir;
        i = read_directory(&d, o->src_index, pathbuf, namelen+1, NULL);
        if (i)
-               return o->gently ? -1 :
-                       add_rejected_path(o, ERROR_NOT_UPTODATE_DIR, ce->name);
+               return add_rejected_path(o, ERROR_NOT_UPTODATE_DIR, ce->name);
        free(pathbuf);
        return cnt;
 }
@@ -1909,7 +1944,7 @@ static int check_ok_to_remove(const char *name, int len, int dtype,
                 * files that are in "foo/" we would lose
                 * them.
                 */
-               if (verify_clean_subdirectory(ce, error_type, o) < 0)
+               if (verify_clean_subdirectory(ce, o) < 0)
                        return -1;
                return 0;
        }
@@ -1925,8 +1960,7 @@ static int check_ok_to_remove(const char *name, int len, int dtype,
                        return 0;
        }
 
-       return o->gently ? -1 :
-               add_rejected_path(o, error_type, name);
+       return add_rejected_path(o, error_type, name);
 }
 
 /*
@@ -2367,7 +2401,7 @@ int bind_merge(const struct cache_entry * const *src,
                return error("Cannot do a bind merge of %d trees",
                             o->merge_size);
        if (a && old)
-               return o->gently ? -1 :
+               return o->quiet ? -1 :
                        error(ERRORMSG(o, ERROR_BIND_OVERLAP),
                              super_prefixed(a->name),
                              super_prefixed(old->name));
@@ -2398,7 +2432,8 @@ int oneway_merge(const struct cache_entry * const *src,
 
        if (old && same(old, a)) {
                int update = 0;
-               if (o->reset && o->update && !ce_uptodate(old) && !ce_skip_worktree(old)) {
+               if (o->reset && o->update && !ce_uptodate(old) && !ce_skip_worktree(old) &&
+                       !(old->ce_flags & CE_FSMONITOR_VALID)) {
                        struct stat st;
                        if (lstat(old->name, &st) ||
                            ie_match_stat(o->src_index, old, &st, CE_MATCH_IGNORE_VALID|CE_MATCH_IGNORE_SKIP_WORKTREE))
@@ -2407,7 +2442,7 @@ int oneway_merge(const struct cache_entry * const *src,
                if (o->update && S_ISGITLINK(old->ce_mode) &&
                    should_update_submodules() && !verify_uptodate(old, o))
                        update |= CE_UPDATE;
-               add_entry(o, old, update, 0);
+               add_entry(o, old, update, CE_STAGEMASK);
                return 0;
        }
        return merged_entry(a, old, o);