unpack-trees(): add CE_WT_REMOVE to remove on worktree alone

CE_REMOVE now removes both worktree and index versions. Sparse
checkout must be able to remove worktree version while keep the
index intact when checkout area is narrowed.

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/cache.h b/cache.h
index f266246caf4b46c5740cbfcf951ee1ba00fe9fee..d3f81a1c7dc7dec4aadad2f9595bd66a47283828 100644 (file)
--- a/cache.h
+++ b/cache.h
@@ -177,6 +177,9 @@ struct cache_entry {
 #define CE_HASHED    (0x100000)
 #define CE_UNHASHED  (0x200000)
 
+/* Only remove in work directory, not index */
+#define CE_WT_REMOVE (0x400000)
+
 /*
  * Extended on-disk flags
  */

diff --git a/unpack-trees.c b/unpack-trees.c
index dc6d74a16bd860709a5ede561b7b5c47d1b7b283..6a51a69b2a714525f5b73d6b9239de11a5a0c889 100644 (file)
--- a/unpack-trees.c
+++ b/unpack-trees.c
@@ -78,7 +78,7 @@ static int check_updates(struct unpack_trees_options *o)
        if (o->update && o->verbose_update) {
                for (total = cnt = 0; cnt < index->cache_nr; cnt++) {
                        struct cache_entry *ce = index->cache[cnt];
-                       if (ce->ce_flags & (CE_UPDATE | CE_REMOVE))
+                       if (ce->ce_flags & (CE_UPDATE | CE_REMOVE | CE_WT_REMOVE))
                                total++;
                }
 
@@ -92,6 +92,13 @@ static int check_updates(struct unpack_trees_options *o)
        for (i = 0; i < index->cache_nr; i++) {
                struct cache_entry *ce = index->cache[i];
 
+               if (ce->ce_flags & CE_WT_REMOVE) {
+                       display_progress(progress, ++cnt);
+                       if (o->update)
+                               unlink_entry(ce);
+                       continue;
+               }
+
                if (ce->ce_flags & CE_REMOVE) {
                        display_progress(progress, ++cnt);
                        if (o->update)