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-rw-r--r--sparse-index.c18
-rwxr-xr-xt/t1092-sparse-checkout-compatibility.sh22
2 files changed, 40 insertions, 0 deletions
diff --git a/sparse-index.c b/sparse-index.c
index affc4048f2..2c69593027 100644
--- a/sparse-index.c
+++ b/sparse-index.c
@@ -116,6 +116,17 @@ int set_sparse_index_config(struct repository *repo, int enable)
return res;
}
+static int index_has_unmerged_entries(struct index_state *istate)
+{
+ int i;
+ for (i = 0; i < istate->cache_nr; i++) {
+ if (ce_stage(istate->cache[i]))
+ return 1;
+ }
+
+ return 0;
+}
+
int convert_to_sparse(struct index_state *istate)
{
int test_env;
@@ -152,6 +163,13 @@ int convert_to_sparse(struct index_state *istate)
return -1;
}
+ /*
+ * NEEDSWORK: If we have unmerged entries, then stay full.
+ * Unmerged entries prevent the cache-tree extension from working.
+ */
+ if (index_has_unmerged_entries(istate))
+ return 0;
+
if (cache_tree_update(istate, 0)) {
warning(_("unable to update cache-tree, staying full"));
return -1;
diff --git a/t/t1092-sparse-checkout-compatibility.sh b/t/t1092-sparse-checkout-compatibility.sh
index e9a815ca7a..ba2fd94ada 100755
--- a/t/t1092-sparse-checkout-compatibility.sh
+++ b/t/t1092-sparse-checkout-compatibility.sh
@@ -352,6 +352,28 @@ test_expect_success 'merge with outside renames' '
done
'
+# Sparse-index fails to convert the index in the
+# final 'git cherry-pick' command.
+test_expect_success 'cherry-pick with conflicts' '
+ init_repos &&
+
+ write_script edit-conflict <<-\EOF &&
+ echo $1 >conflict
+ EOF
+
+ test_all_match git checkout -b to-cherry-pick &&
+ run_on_all ../edit-conflict ABC &&
+ test_all_match git add conflict &&
+ test_all_match git commit -m "conflict to pick" &&
+
+ test_all_match git checkout -B base HEAD~1 &&
+ run_on_all ../edit-conflict DEF &&
+ test_all_match git add conflict &&
+ test_all_match git commit -m "conflict in base" &&
+
+ test_all_match test_must_fail git cherry-pick to-cherry-pick
+'
+
test_expect_success 'clean' '
init_repos &&