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struct expire_reflog_cb: a new callback data type

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Add a new data type, "struct expire_reflog_cb", for holding the data
that expire_reflog() passes to expire_reflog_ent() via
for_each_reflog_ent(). For now it only holds a pointer to a "struct
expire_reflog_policy_cb", which still contains all of the actual data.
In future commits we will move some fields from the latter to the
former.

Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
Reviewed-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Michael Haggerty 2014-12-12 09:56:53 +01:00 committed by Junio C Hamano
parent ea7b4f6d33
commit ddd64c566d
1 changed files with 26 additions and 17 deletions
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43
builtin/reflog.c
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@ -50,10 +50,15 @@ struct expire_reflog_policy_cb {
struct commit_list *tips;
};
struct expire_reflog_cb {
void *policy_cb;
};
struct collected_reflog {
unsigned char sha1[20];
char reflog[FLEX_ARRAY];
};
struct collect_reflog_cb {
struct collected_reflog **e;
int alloc;
@ -328,28 +333,29 @@ static int expire_reflog_ent(unsigned char *osha1, unsigned char *nsha1,
const char *email, unsigned long timestamp, int tz,
const char *message, void *cb_data)
{
struct expire_reflog_policy_cb *cb = cb_data;
struct expire_reflog_cb *cb = cb_data;
struct expire_reflog_policy_cb *policy_cb = cb->policy_cb;
if (cb->cmd->rewrite)
osha1 = cb->last_kept_sha1;
if (policy_cb->cmd->rewrite)
osha1 = policy_cb->last_kept_sha1;
if (should_expire_reflog_ent(osha1, nsha1, email, timestamp, tz,
message, cb_data)) {
if (!cb->newlog)
message, policy_cb)) {
if (!policy_cb->newlog)
printf("would prune %s", message);
else if (cb->cmd->verbose)
else if (policy_cb->cmd->verbose)
printf("prune %s", message);
} else {
if (cb->newlog) {
if (policy_cb->newlog) {
char sign = (tz < 0) ? '-' : '+';
int zone = (tz < 0) ? (-tz) : tz;
fprintf(cb->newlog, "%s %s %s %lu %c%04d\t%s",
fprintf(policy_cb->newlog, "%s %s %s %lu %c%04d\t%s",
sha1_to_hex(osha1), sha1_to_hex(nsha1),
email, timestamp, sign, zone,
message);
hashcpy(cb->last_kept_sha1, nsha1);
hashcpy(policy_cb->last_kept_sha1, nsha1);
}
if (cb->cmd->verbose)
if (policy_cb->cmd->verbose)
printf("keep %s", message);
}
return 0;
@ -421,12 +427,15 @@ static int expire_reflog(const char *refname, const unsigned char *sha1,
unsigned int flags, struct cmd_reflog_expire_cb *cmd)
{
static struct lock_file reflog_lock;
struct expire_reflog_policy_cb cb;
struct expire_reflog_cb cb;
struct expire_reflog_policy_cb policy_cb;
struct ref_lock *lock;
char *log_file;
int status = 0;
memset(&cb, 0, sizeof(cb));
memset(&policy_cb, 0, sizeof(policy_cb));
cb.policy_cb = &policy_cb;
/*
* The reflog file is locked by holding the lock on the
@ -457,19 +466,19 @@ static int expire_reflog(const char *refname, const unsigned char *sha1,
strbuf_release(&err);
goto failure;
}
cb.newlog = fdopen_lock_file(&reflog_lock, "w");
if (!cb.newlog) {
policy_cb.newlog = fdopen_lock_file(&reflog_lock, "w");
if (!policy_cb.newlog) {
error("cannot fdopen %s (%s)",
reflog_lock.filename.buf, strerror(errno));
goto failure;
}
}
cb.cmd = cmd;
policy_cb.cmd = cmd;
reflog_expiry_prepare(refname, sha1, &cb);
reflog_expiry_prepare(refname, sha1, &policy_cb);
for_each_reflog_ent(refname, expire_reflog_ent, &cb);
reflog_expiry_cleanup(&cb);
reflog_expiry_cleanup(&policy_cb);
if (!(flags & EXPIRE_REFLOGS_DRY_RUN)) {
if (close_lock_file(&reflog_lock)) {
@ -477,7 +486,7 @@ static int expire_reflog(const char *refname, const unsigned char *sha1,
strerror(errno));
} else if ((flags & EXPIRE_REFLOGS_UPDATE_REF) &&
(write_in_full(lock->lock_fd,
sha1_to_hex(cb.last_kept_sha1), 40) != 40 ||
sha1_to_hex(policy_cb.last_kept_sha1), 40) != 40 ||
write_str_in_full(lock->lock_fd, "\n") != 1 ||
close_ref(lock) < 0)) {
status |= error("couldn't write %s",