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each_ref_fn: change to take an object_id parameter

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Change typedef each_ref_fn to take a "const struct object_id *oid"
parameter instead of "const unsigned char *sha1".

To aid this transition, implement an adapter that can be used to wrap
old-style functions matching the old typedef, which is now called
"each_ref_sha1_fn"), and make such functions callable via the new
interface. This requires the old function and its cb_data to be
wrapped in a "struct each_ref_fn_sha1_adapter", and that object to be
used as the cb_data for an adapter function, each_ref_fn_adapter().

This is an enormous diff, but most of it consists of simple,
mechanical changes to the sites that call any of the "for_each_ref"
family of functions. Subsequent to this change, the call sites can be
rewritten one by one to use the new interface.

Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Michael Haggerty
2015-05-25 18:38:28 +00:00
committed by Junio C Hamano
parent 8353847e85
commit 2b2a5be394
36 changed files with 275 additions and 97 deletions
Download Patch File Download Diff File Expand all files Collapse all files

13
builtin/remote.c
View File

@ -623,6 +623,8 @@ static int mv(int argc, const char **argv)
struct string_list remote_branches = STRING_LIST_INIT_NODUP;
struct rename_info rename;
int i, refspec_updated = 0;
struct each_ref_fn_sha1_adapter wrapped_read_remote_branches =
{read_remote_branches, &rename};
if (argc != 3)
usage_with_options(builtin_remote_rename_usage, options);
@ -700,7 +702,7 @@ static int mv(int argc, const char **argv)
* First remove symrefs, then rename the rest, finally create
* the new symrefs.
*/
for_each_ref(read_remote_branches, &rename);
for_each_ref(each_ref_fn_adapter, &wrapped_read_remote_branches);
for (i = 0; i < remote_branches.nr; i++) {
struct string_list_item *item = remote_branches.items + i;
int flag = 0;
@ -781,6 +783,8 @@ static int rm(int argc, const char **argv)
struct string_list skipped = STRING_LIST_INIT_DUP;
struct branches_for_remote cb_data;
int i, result;
struct each_ref_fn_sha1_adapter wrapped_add_branch_for_removal =
{add_branch_for_removal, &cb_data};
memset(&cb_data, 0, sizeof(cb_data));
cb_data.branches = &branches;
@ -821,7 +825,7 @@ static int rm(int argc, const char **argv)
* refs, which are invalidated when deleting a branch.
*/
cb_data.remote = remote;
result = for_each_ref(add_branch_for_removal, &cb_data);
result = for_each_ref(each_ref_fn_adapter, &wrapped_add_branch_for_removal);
strbuf_release(&buf);
if (!result)
@ -910,7 +914,10 @@ static int get_remote_ref_states(const char *name,
if (query & GET_PUSH_REF_STATES)
get_push_ref_states(remote_refs, states);
} else {
for_each_ref(append_ref_to_tracked_list, states);
struct each_ref_fn_sha1_adapter wrapped_append_ref_to_tracked_list =
{append_ref_to_tracked_list, states};
for_each_ref(each_ref_fn_adapter, &wrapped_append_ref_to_tracked_list);
string_list_sort(&states->tracked);
get_push_ref_states_noquery(states);
}