From b729effbdbc9ae2d087a83b9e2a165fb8cc04641 Mon Sep 17 00:00:00 2001 From: Michael Haggerty Date: Fri, 12 Dec 2014 09:56:58 +0100 Subject: [PATCH] expire_reflog(): treat the policy callback data as opaque Now that expire_reflog() doesn't actually look in the expire_reflog_policy_cb data structure, we can make it opaque: * Change the callers of expire_reflog() to pass it a pointer to an entire "struct expire_reflog_policy_cb" rather than a pointer to a "struct cmd_reflog_expire_cb". * Change expire_reflog() to accept the argument as a "void *" and simply pass it through to the policy functions. * Change the policy functions, reflog_expiry_prepare(), reflog_expiry_cleanup(), and should_expire_reflog_ent(), to accept "void *cb_data" arguments and cast them back to "struct expire_reflog_policy_cb" internally. Signed-off-by: Michael Haggerty Reviewed-by: Stefan Beller Signed-off-by: Junio C Hamano --- builtin/reflog.c | 72 ++++++++++++++++++++++++++++---------------------------- 1 file changed, 36 insertions(+), 36 deletions(-) diff --git a/builtin/reflog.c b/builtin/reflog.c index d36c2c6f2f..0df5721c88 100644 --- a/builtin/reflog.c +++ b/builtin/reflog.c @@ -43,7 +43,7 @@ struct expire_reflog_policy_cb { } unreachable_expire_kind; struct commit_list *mark_list; unsigned long mark_limit; - struct cmd_reflog_expire_cb *cmd; + struct cmd_reflog_expire_cb cmd; struct commit *tip_commit; struct commit_list *tips; }; @@ -309,22 +309,22 @@ static int should_expire_reflog_ent(unsigned char *osha1, unsigned char *nsha1, struct expire_reflog_policy_cb *cb = cb_data; struct commit *old, *new; - if (timestamp < cb->cmd->expire_total) + if (timestamp < cb->cmd.expire_total) return 1; old = new = NULL; - if (cb->cmd->stalefix && + if (cb->cmd.stalefix && (!keep_entry(&old, osha1) || !keep_entry(&new, nsha1))) return 1; - if (timestamp < cb->cmd->expire_unreachable) { + if (timestamp < cb->cmd.expire_unreachable) { if (cb->unreachable_expire_kind == UE_ALWAYS) return 1; if (unreachable(cb, old, osha1) || unreachable(cb, new, nsha1)) return 1; } - if (cb->cmd->recno && --(cb->cmd->recno) == 0) + if (cb->cmd.recno && --(cb->cmd.recno) == 0) return 1; return 0; @@ -378,9 +378,11 @@ static int push_tip_to_list(const char *refname, const unsigned char *sha1, static void reflog_expiry_prepare(const char *refname, const unsigned char *sha1, - struct expire_reflog_policy_cb *cb) + void *cb_data) { - if (!cb->cmd->expire_unreachable || !strcmp(refname, "HEAD")) { + struct expire_reflog_policy_cb *cb = cb_data; + + if (!cb->cmd.expire_unreachable || !strcmp(refname, "HEAD")) { cb->tip_commit = NULL; cb->unreachable_expire_kind = UE_HEAD; } else { @@ -391,7 +393,7 @@ static void reflog_expiry_prepare(const char *refname, cb->unreachable_expire_kind = UE_NORMAL; } - if (cb->cmd->expire_unreachable <= cb->cmd->expire_total) + if (cb->cmd.expire_unreachable <= cb->cmd.expire_total) cb->unreachable_expire_kind = UE_ALWAYS; cb->mark_list = NULL; @@ -405,13 +407,15 @@ static void reflog_expiry_prepare(const char *refname, } else { commit_list_insert(cb->tip_commit, &cb->mark_list); } - cb->mark_limit = cb->cmd->expire_total; + cb->mark_limit = cb->cmd.expire_total; mark_reachable(cb); } } -static void reflog_expiry_cleanup(struct expire_reflog_policy_cb *cb) +static void reflog_expiry_cleanup(void *cb_data) { + struct expire_reflog_policy_cb *cb = cb_data; + if (cb->unreachable_expire_kind != UE_ALWAYS) { if (cb->unreachable_expire_kind == UE_HEAD) { struct commit_list *elem; @@ -425,19 +429,17 @@ static void reflog_expiry_cleanup(struct expire_reflog_policy_cb *cb) } static int expire_reflog(const char *refname, const unsigned char *sha1, - unsigned int flags, struct cmd_reflog_expire_cb *cmd) + unsigned int flags, void *policy_cb_data) { static struct lock_file reflog_lock; 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.flags = flags; - cb.policy_cb = &policy_cb; + cb.policy_cb = policy_cb_data; /* * The reflog file is locked by holding the lock on the @@ -476,11 +478,9 @@ static int expire_reflog(const char *refname, const unsigned char *sha1, } } - policy_cb.cmd = cmd; - - reflog_expiry_prepare(refname, sha1, &policy_cb); + reflog_expiry_prepare(refname, sha1, cb.policy_cb); for_each_reflog_ent(refname, expire_reflog_ent, &cb); - reflog_expiry_cleanup(&policy_cb); + reflog_expiry_cleanup(cb.policy_cb); if (!(flags & EXPIRE_REFLOGS_DRY_RUN)) { if (close_lock_file(&reflog_lock)) { @@ -653,7 +653,7 @@ static void set_reflog_expiry_param(struct cmd_reflog_expire_cb *cb, int slot, c static int cmd_reflog_expire(int argc, const char **argv, const char *prefix) { - struct cmd_reflog_expire_cb cb; + struct expire_reflog_policy_cb cb; unsigned long now = time(NULL); int i, status, do_all; int explicit_expiry = 0; @@ -667,25 +667,25 @@ static int cmd_reflog_expire(int argc, const char **argv, const char *prefix) do_all = status = 0; memset(&cb, 0, sizeof(cb)); - cb.expire_total = default_reflog_expire; - cb.expire_unreachable = default_reflog_expire_unreachable; + cb.cmd.expire_total = default_reflog_expire; + cb.cmd.expire_unreachable = default_reflog_expire_unreachable; for (i = 1; i < argc; i++) { const char *arg = argv[i]; if (!strcmp(arg, "--dry-run") || !strcmp(arg, "-n")) flags |= EXPIRE_REFLOGS_DRY_RUN; else if (starts_with(arg, "--expire=")) { - if (parse_expiry_date(arg + 9, &cb.expire_total)) + if (parse_expiry_date(arg + 9, &cb.cmd.expire_total)) die(_("'%s' is not a valid timestamp"), arg); explicit_expiry |= EXPIRE_TOTAL; } else if (starts_with(arg, "--expire-unreachable=")) { - if (parse_expiry_date(arg + 21, &cb.expire_unreachable)) + if (parse_expiry_date(arg + 21, &cb.cmd.expire_unreachable)) die(_("'%s' is not a valid timestamp"), arg); explicit_expiry |= EXPIRE_UNREACH; } else if (!strcmp(arg, "--stale-fix")) - cb.stalefix = 1; + cb.cmd.stalefix = 1; else if (!strcmp(arg, "--rewrite")) flags |= EXPIRE_REFLOGS_REWRITE; else if (!strcmp(arg, "--updateref")) @@ -709,11 +709,11 @@ static int cmd_reflog_expire(int argc, const char **argv, const char *prefix) * even in older repository. We cannot trust what's reachable * from reflog if the repository was pruned with older git. */ - if (cb.stalefix) { - init_revisions(&cb.revs, prefix); + if (cb.cmd.stalefix) { + init_revisions(&cb.cmd.revs, prefix); if (flags & EXPIRE_REFLOGS_VERBOSE) printf("Marking reachable objects..."); - mark_reachable_objects(&cb.revs, 0, 0, NULL); + mark_reachable_objects(&cb.cmd.revs, 0, 0, NULL); if (flags & EXPIRE_REFLOGS_VERBOSE) putchar('\n'); } @@ -726,7 +726,7 @@ static int cmd_reflog_expire(int argc, const char **argv, const char *prefix) for_each_reflog(collect_reflog, &collected); for (i = 0; i < collected.nr; i++) { struct collected_reflog *e = collected.e[i]; - set_reflog_expiry_param(&cb, explicit_expiry, e->reflog); + set_reflog_expiry_param(&cb.cmd, explicit_expiry, e->reflog); status |= expire_reflog(e->reflog, e->sha1, flags, &cb); free(e); } @@ -740,7 +740,7 @@ static int cmd_reflog_expire(int argc, const char **argv, const char *prefix) status |= error("%s points nowhere!", argv[i]); continue; } - set_reflog_expiry_param(&cb, explicit_expiry, ref); + set_reflog_expiry_param(&cb.cmd, explicit_expiry, ref); status |= expire_reflog(ref, sha1, flags, &cb); } return status; @@ -750,15 +750,15 @@ static int count_reflog_ent(unsigned char *osha1, unsigned char *nsha1, const char *email, unsigned long timestamp, int tz, const char *message, void *cb_data) { - struct cmd_reflog_expire_cb *cb = cb_data; - if (!cb->expire_total || timestamp < cb->expire_total) - cb->recno++; + struct expire_reflog_policy_cb *cb = cb_data; + if (!cb->cmd.expire_total || timestamp < cb->cmd.expire_total) + cb->cmd.recno++; return 0; } static int cmd_reflog_delete(int argc, const char **argv, const char *prefix) { - struct cmd_reflog_expire_cb cb; + struct expire_reflog_policy_cb cb; int i, status = 0; unsigned int flags = 0; @@ -805,12 +805,12 @@ static int cmd_reflog_delete(int argc, const char **argv, const char *prefix) recno = strtoul(spec + 2, &ep, 10); if (*ep == '}') { - cb.recno = -recno; + cb.cmd.recno = -recno; for_each_reflog_ent(ref, count_reflog_ent, &cb); } else { - cb.expire_total = approxidate(spec + 2); + cb.cmd.expire_total = approxidate(spec + 2); for_each_reflog_ent(ref, count_reflog_ent, &cb); - cb.expire_total = 0; + cb.cmd.expire_total = 0; } status |= expire_reflog(ref, sha1, flags, &cb); -- 2.11.4.GIT