[WIP 1/2] pack-objects: rename want_.* to ignore_.*
- From
- Jonathan Tan <jonathantanmy@google.com>
- Date
- Jun 2, 2017, 00:14 UTC
- Message-ID
- <5e8aebf2726481ef63838291c32e07439289d922.1496361873.git.jonathantanmy@google.com>
- In-Reply-To
- <cover.1496361873.git.jonathantanmy@google.com>
Currently, pack-objects conflates the concepts of "ignoring an object" and "including it in to_pack". This is fine for now, but a subsequent commit will introduce the concept of an object that cannot be completely ignored, but should not be included in to_pack either. To separate these concepts, restrict want_found_object() and want_object_in_pack() to only indicate if the object is to be ignored. This is done by renaming these methods and swapping the meanings of the return values 0 and 1.
We also take the opportunity to use the terminology "preferred_base" instead of "excluded" in these methods. It is true that preferred bases are not included in the final packfile generation, but at this point in the code, there is no exclusion taking place - on the contrary, if something is "excluded", it is in fact guaranteed to be in to_pack.
Signed-off-by: Jonathan Tan <jonathantanmy@google.com> --- builtin/pack-objects.c | 50 +++++++++++++++++++++++++------------------------- 1 file changed, 25 insertions(+), 25 deletions(-)
diff --git a/builtin/pack-objects.c b/builtin/pack-objects.c index 80439047a..1062d8fe2 100644 --- a/builtin/pack-objects.c +++ b/builtin/pack-objects.c @@ -946,12 +946,12 @@ static int have_duplicate_entry(const unsigned char *sha1, return 1; } -static int want_found_object(int exclude, struct packed_git *p) +static int ignore_found_object(int preferred_base, struct packed_git *p) { - if (exclude) - return 1; - if (incremental) + if (preferred_base) return 0; + if (incremental) + return 1; /* * When asked to do --local (do not include an object that appears in a @@ -969,19 +969,19 @@ static int want_found_object(int exclude, struct packed_git *p) */ if (!ignore_packed_keep && (!local || !have_non_local_packs)) - return 1; + return 0; if (local && !p->pack_local) - return 0; + return 1; if (ignore_packed_keep && p->pack_local && p->pack_keep) - return 0; + return 1; /* we don't know yet; keep looking for more packs */ return -1; } /* - * Check whether we want the object in the pack (e.g., we do not want + * Check whether we should ignore this object (e.g., we do not want * objects found in non-local stores if the "--local" option was used). * * If the caller already knows an existing pack it wants to take the object @@ -989,16 +989,16 @@ static int want_found_object(int exclude, struct packed_git *p) * function finds if there is any pack that has the object and returns the pack * and its offset in these variables. */ -static int want_object_in_pack(const unsigned char *sha1, - int exclude, - struct packed_git **found_pack, - off_t *found_offset) +static int ignore_object(const unsigned char *sha1, + int preferred_base, + struct packed_git **found_pack, + off_t *found_offset) { struct mru_entry *entry; - int want; + int ignore; - if (!exclude && local && has_loose_object_nonlocal(sha1)) - return 0; + if (!preferred_base && local && has_loose_object_nonlocal(sha1)) + return 1; /* * If we already know the pack object lives in, start checks from that @@ -1006,9 +1006,9 @@ static int want_object_in_pack(const unsigned char *sha1, * are present we will determine the answer right now. */ if (*found_pack) { - want = want_found_object(exclude, *found_pack); - if (want != -1) - return want; + ignore = ignore_found_object(preferred_base, *found_pack); + if (ignore != -1) + return ignore; } for (entry = packed_git_mru->head; entry; entry = entry->next) { @@ -1027,15 +1027,15 @@ static int want_object_in_pack(const unsigned char *sha1, *found_offset = offset; *found_pack = p; } - want = want_found_object(exclude, p); - if (!exclude && want > 0) + ignore = ignore_found_object(preferred_base, p); + if (!preferred_base && ignore > 0) mru_mark(packed_git_mru, entry); - if (want != -1) - return want; + if (ignore != -1) + return ignore; } } - return 1; + return 0; } static void create_object_entry(const unsigned char *sha1, @@ -1079,7 +1079,7 @@ static int add_object_entry(const unsigned char *sha1, enum object_type type, if (have_duplicate_entry(sha1, exclude, &index_pos)) return 0; - if (!want_object_in_pack(sha1, exclude, &found_pack, &found_offset)) { + if (ignore_object(sha1, exclude, &found_pack, &found_offset)) { /* The pack is missing an object, so it will not have closure */ if (write_bitmap_index) { warning(_(no_closure_warning)); @@ -1106,7 +1106,7 @@ static int add_object_entry_from_bitmap(const unsigned char *sha1, if (have_duplicate_entry(sha1, 0, &index_pos)) return 0; - if (!want_object_in_pack(sha1, 0, &pack, &offset)) + if (ignore_object(sha1, 0, &pack, &offset)) return 0; create_object_entry(sha1, type, name_hash, 0, 0, index_pos, pack, offset);
-- 2.13.0.506.g27d5fe0cd-goog