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fast-export: refactor get_tags_and_duplicates()

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Split into a separate helper function get_commit() so that the part that
finds the relevant commit, and the part that does something with it
(handle tag object, etc.) are in different places.

No functional changes.

Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Felipe Contreras 2013-09-01 02:05:48 -05:00 committed by Junio C Hamano
parent 1d844ee7bd
commit 3e9b9cb117
1 changed files with 38 additions and 30 deletions
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68
builtin/fast-export.c
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@ -485,9 +485,32 @@ static void handle_tag(const char *name, struct tag *tag)
(int)message_size, (int)message_size, message ? message : "");
}
static struct commit *get_commit(struct rev_cmdline_entry *e, char *full_name)
{
switch (e->item->type) {
case OBJ_COMMIT:
return (struct commit *)e->item;
case OBJ_TAG: {
struct tag *tag = (struct tag *)e->item;
/* handle nested tags */
while (tag && tag->object.type == OBJ_TAG) {
parse_object(tag->object.sha1);
string_list_append(&extra_refs, full_name)->util = tag;
tag = (struct tag *)tag->tagged;
}
if (!tag)
die("Tag %s points nowhere?", e->name);
return (struct commit *)tag;
break;
}
default:
return NULL;
}
}
static void get_tags_and_duplicates(struct rev_cmdline_info *info)
{
struct tag *tag;
int i;
for (i = 0; i < info->nr; i++) {
@ -502,41 +525,26 @@ static void get_tags_and_duplicates(struct rev_cmdline_info *info)
if (dwim_ref(e->name, strlen(e->name), sha1, &full_name) != 1)
continue;
switch (e->item->type) {
case OBJ_COMMIT:
commit = (struct commit *)e->item;
break;
case OBJ_TAG:
tag = (struct tag *)e->item;
/* handle nested tags */
while (tag && tag->object.type == OBJ_TAG) {
parse_object(tag->object.sha1);
string_list_append(&extra_refs, full_name)->util = tag;
tag = (struct tag *)tag->tagged;
}
if (!tag)
die ("Tag %s points nowhere?", e->name);
switch(tag->object.type) {
case OBJ_COMMIT:
commit = (struct commit *)tag;
break;
case OBJ_BLOB:
export_blob(tag->object.sha1);
continue;
default: /* OBJ_TAG (nested tags) is already handled */
warning("Tag points to object of unexpected type %s, skipping.",
typename(tag->object.type));
continue;
}
break;
default:
commit = get_commit(e, full_name);
if (!commit) {
warning("%s: Unexpected object of type %s, skipping.",
e->name,
typename(e->item->type));
continue;
}
switch(commit->object.type) {
case OBJ_COMMIT:
break;
case OBJ_BLOB:
export_blob(commit->object.sha1);
continue;
default: /* OBJ_TAG (nested tags) is already handled */
warning("Tag points to object of unexpected type %s, skipping.",
typename(commit->object.type));
continue;
}
/*
* This ref will not be updated through a commit, lets make
* sure it gets properly updated eventually.