Merge branch 'js/plug-leaks'

Fix memory leaks pointed out by Coverity (and people).

* js/plug-leaks: (26 commits)
checkout: fix memory leak
submodule_uses_worktrees(): plug memory leak
show_worktree(): plug memory leak
name-rev: avoid leaking memory in the `deref` case
remote: plug memory leak in match_explicit()
add_reflog_for_walk: avoid memory leak
shallow: avoid memory leak
line-log: avoid memory leak
receive-pack: plug memory leak in update()
fast-export: avoid leaking memory in handle_tag()
mktree: plug memory leaks reported by Coverity
pack-redundant: plug memory leak
setup_discovered_git_dir(): plug memory leak
setup_bare_git_dir(): help static analysis
split_commit_in_progress(): simplify & fix memory leak
checkout: fix memory leak
cat-file: fix memory leak
mailinfo & mailsplit: check for EOF while parsing
status: close file descriptor after reading git-rebase-todo
difftool: address a couple of resource/memory leaks
...

diff --cc builtin/am.c
Simple merge

diff --cc builtin/checkout.c
Simple merge

diff --cc builtin/fast-export.c
Simple merge

diff --cc builtin/name-rev.c
Simple merge

diff --cc builtin/receive-pack.c
Simple merge

diff --cc builtin/worktree.c
Simple merge

diff --cc config.c
Simple merge

diff --cc reflog-walk.c
Simple merge

diff --cc remote.c
Simple merge

diff --cc shallow.c
index 6950cc24f02bd03480321eeaa0a36a32a460ed99,f9370961f99f5e68c1bfe84d215513536fccbdaf..ef7ca78993df20082c858a7d2b8c7094fcbd1590
--- 1/shallow.c
--- 2/shallow.c
+++ b/shallow.c
@@@ -473,11 -473,15 +473,15 @@@ static void paint_down(struct paint_inf
        struct commit_list *head = NULL;
        int bitmap_nr = (info->nr_bits + 31) / 32;
        size_t bitmap_size = st_mult(sizeof(uint32_t), bitmap_nr);
-       uint32_t *tmp = xmalloc(bitmap_size); /* to be freed before return */
-       uint32_t *bitmap = paint_alloc(info);
 -      struct commit *c = lookup_commit_reference_gently(sha1, 1);
 +      struct commit *c = lookup_commit_reference_gently(oid, 1);
+       uint32_t *tmp; /* to be freed before return */
+       uint32_t *bitmap;
+ 
        if (!c)
                return;
+ 
+       tmp = xmalloc(bitmap_size);
+       bitmap = paint_alloc(info);
        memset(bitmap, 0, bitmap_size);
        bitmap[id / 32] |= (1U << (id % 32));
        commit_list_insert(c, &head);

diff --cc worktree.c
Simple merge

diff --cc wt-status.c
Simple merge