Merge branch 'js/pack-objects-mutex-init-fix' into maint
A mutex used in "git pack-objects" were not correctly initialized
and this caused "git repack" to dump core on Windows.
* js/pack-objects-mutex-init-fix:
pack-objects (mingw): initialize `packing_data` mutex in the correct spot
pack-objects (mingw): demonstrate a segmentation fault with large deltas
pack-objects: fix typo 'detla' -> 'delta'
diff --git a/builtin/pack-objects.c b/builtin/pack-objects.c
index d1144a8..29d48f3 100644
--- a/builtin/pack-objects.c
+++ b/builtin/pack-objects.c
@@ -2299,7 +2299,6 @@
pthread_mutex_init(&cache_mutex, NULL);
pthread_mutex_init(&progress_mutex, NULL);
pthread_cond_init(&progress_cond, NULL);
- pthread_mutex_init(&to_pack.lock, NULL);
old_try_to_free_routine = set_try_to_free_routine(try_to_free_from_threads);
}
diff --git a/pack-objects.c b/pack-objects.c
index 6ef87e5..f73f609 100644
--- a/pack-objects.c
+++ b/pack-objects.c
@@ -148,6 +148,9 @@
1U << OE_SIZE_BITS);
pdata->oe_delta_size_limit = git_env_ulong("GIT_TEST_OE_DELTA_SIZE",
1UL << OE_DELTA_SIZE_BITS);
+#ifndef NO_PTHREADS
+ pthread_mutex_init(&pdata->lock, NULL);
+#endif
}
struct object_entry *packlist_alloc(struct packing_data *pdata,
diff --git a/pack-objects.h b/pack-objects.h
index 62806cc..c340361 100644
--- a/pack-objects.h
+++ b/pack-objects.h
@@ -356,7 +356,7 @@
return e->delta_size_;
/*
- * pack->detla_size[] can't be NULL because oe_set_delta_size()
+ * pack->delta_size[] can't be NULL because oe_set_delta_size()
* must have been called when a new delta is saved with
* oe_set_delta().
* If oe_delta() returns NULL (i.e. default state, which means
diff --git a/t/t5321-pack-large-objects.sh b/t/t5321-pack-large-objects.sh
new file mode 100755
index 0000000..a75eab8
--- /dev/null
+++ b/t/t5321-pack-large-objects.sh
@@ -0,0 +1,32 @@
+#!/bin/sh
+#
+# Copyright (c) 2018 Johannes Schindelin
+#
+
+test_description='git pack-object with "large" deltas
+
+'
+. ./test-lib.sh
+. "$TEST_DIRECTORY"/lib-pack.sh
+
+# Two similar-ish objects that we have computed deltas between.
+A=01d7713666f4de822776c7622c10f1b07de280dc
+B=e68fe8129b546b101aee9510c5328e7f21ca1d18
+
+test_expect_success 'setup' '
+ clear_packs &&
+ {
+ pack_header 2 &&
+ pack_obj $A $B &&
+ pack_obj $B
+ } >ab.pack &&
+ pack_trailer ab.pack &&
+ git index-pack --stdin <ab.pack
+'
+
+test_expect_success 'repack large deltas' '
+ printf "%s\\n" $A $B |
+ GIT_TEST_OE_DELTA_SIZE=2 git pack-objects tmp-pack
+'
+
+test_done
