pack-objects: don't leak pack window reference when splitting packs

diff --git a/diff-lib.c b/diff-lib.c
index e7eaff9a68ccbcc692522c9956f0dae9af45f3f1..ae96c64ca209f4df9008198e8a04b160bed618c7 100644 (file)
--- a/diff-lib.c
+++ b/diff-lib.c
@@ -63,6 +63,8 @@ int run_diff_files(struct rev_info *revs, unsigned int option)
                              ? CE_MATCH_RACY_IS_DIRTY : 0);
        char symcache[PATH_MAX];
 
+       diff_set_mnemonic_prefix(&revs->diffopt, "i/", "w/");
+
        if (diff_unmerged_stage < 0)
                diff_unmerged_stage = 2;
        entries = active_nr;
@@ -469,6 +471,7 @@ int run_diff_index(struct rev_info *revs, int cached)
        if (unpack_trees(1, &t, &opts))
                exit(128);
 
+       diff_set_mnemonic_prefix(&revs->diffopt, "c/", cached ? "i/" : "w/");
        diffcore_std(&revs->diffopt);
        diff_flush(&revs->diffopt);
        return 0;