[PATCH 13/15] read-cache, remove_marked_cache_entries: wipe selected submodules.

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Signed-off-by: Stefan Beller <sbeller@xxxxxxxxxx>
---
 read-cache.c | 27 +++++++++++++++++++++++++--
 1 file changed, 25 insertions(+), 2 deletions(-)

diff --git a/read-cache.c b/read-cache.c
index 9054369dd0..9a2abacf7a 100644
--- a/read-cache.c
+++ b/read-cache.c
@@ -18,6 +18,8 @@
 #include "varint.h"
 #include "split-index.h"
 #include "utf8.h"
+#include "submodule.h"
+#include "submodule-config.h"
 
 /* Mask for the name length in ce_flags in the on-disk index */
 
@@ -520,6 +522,22 @@ int remove_index_entry_at(struct index_state *istate, int pos)
 	return 1;
 }
 
+static void remove_submodule_according_to_strategy(const struct submodule *sub)
+{
+	switch (sub->update_strategy.type) {
+	case SM_UPDATE_UNSPECIFIED:
+	case SM_UPDATE_CHECKOUT:
+	case SM_UPDATE_REBASE:
+	case SM_UPDATE_MERGE:
+		submodule_move_head(sub->path, "HEAD", NULL, \
+				    SUBMODULE_MOVE_HEAD_FORCE);
+		break;
+	case SM_UPDATE_NONE:
+	case SM_UPDATE_COMMAND:
+		; /* Do not touch the submodule. */
+	}
+}
+
 /*
  * Remove all cache entries marked for removal, that is where
  * CE_REMOVE is set in ce_flags.  This is much more effective than
@@ -532,8 +550,13 @@ void remove_marked_cache_entries(struct index_state *istate)
 
 	for (i = j = 0; i < istate->cache_nr; i++) {
 		if (ce_array[i]->ce_flags & CE_REMOVE) {
-			remove_name_hash(istate, ce_array[i]);
-			save_or_free_index_entry(istate, ce_array[i]);
+			const struct submodule *sub = submodule_from_ce(ce_array[i]);
+			if (sub) {
+				remove_submodule_according_to_strategy(sub);
+			} else {
+				remove_name_hash(istate, ce_array[i]);
+				save_or_free_index_entry(istate, ce_array[i]);
+			}
 		}
 		else
 			ce_array[j++] = ce_array[i];
-- 
2.12.0.rc1.16.ge4278d41a0.dirty




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