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Tue, 07 May 2024 05:59:16 -0700 (PDT) Received: from laptop.fritz.box ([2a02:2455:826e:4900:e6d6:a83d:4d4b:8baa]) by smtp.gmail.com with ESMTPSA id q5-20020adff945000000b0034f5925edacsm3507566wrr.30.2024.05.07.05.59.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 07 May 2024 05:59:16 -0700 (PDT) From: Karthik Nayak X-Google-Original-From: Karthik Nayak To: karthik.188@gmail.com Cc: git@vger.kernel.org, gitster@pobox.com, ps@pks.im, phillip.wood123@gmail.com Subject: [PATCH v8 8/8] refs: remove `create_symref` and associated dead code Date: Tue, 7 May 2024 14:58:59 +0200 Message-ID: <20240507125859.132116-9-knayak@gitlab.com> X-Mailer: git-send-email 2.44.0 In-Reply-To: <20240507125859.132116-1-knayak@gitlab.com> References: <20240507060035.28602-1-knayak@gitlab.com> <20240507125859.132116-1-knayak@gitlab.com> Precedence: bulk X-Mailing-List: git@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Karthik Nayak In the previous commits, we converted `refs_create_symref()` to utilize transactions to perform symref updates. Earlier `refs_create_symref()` used `create_symref()` to do the same. We can now remove `create_symref()` and any code associated with it which is no longer used. We remove `create_symref()` code from all the reference backends and also remove it entirely from the `ref_storage_be` struct. Signed-off-by: Karthik Nayak --- refs/debug.c | 13 ------- refs/files-backend.c | 67 -------------------------------- refs/packed-backend.c | 1 - refs/refs-internal.h | 5 --- refs/reftable-backend.c | 86 ----------------------------------------- 5 files changed, 172 deletions(-) diff --git a/refs/debug.c b/refs/debug.c index c7531b17f0..8be316bb67 100644 --- a/refs/debug.c +++ b/refs/debug.c @@ -131,18 +131,6 @@ static int debug_pack_refs(struct ref_store *ref_store, struct pack_refs_opts *o return res; } -static int debug_create_symref(struct ref_store *ref_store, - const char *ref_name, const char *target, - const char *logmsg) -{ - struct debug_ref_store *drefs = (struct debug_ref_store *)ref_store; - int res = drefs->refs->be->create_symref(drefs->refs, ref_name, target, - logmsg); - trace_printf_key(&trace_refs, "create_symref: %s -> %s \"%s\": %d\n", ref_name, - target, logmsg, res); - return res; -} - static int debug_rename_ref(struct ref_store *ref_store, const char *oldref, const char *newref, const char *logmsg) { @@ -441,7 +429,6 @@ struct ref_storage_be refs_be_debug = { .initial_transaction_commit = debug_initial_transaction_commit, .pack_refs = debug_pack_refs, - .create_symref = debug_create_symref, .rename_ref = debug_rename_ref, .copy_ref = debug_copy_ref, diff --git a/refs/files-backend.c b/refs/files-backend.c index 2d1525b240..3957bfa579 100644 --- a/refs/files-backend.c +++ b/refs/files-backend.c @@ -1903,23 +1903,6 @@ static int create_ref_symlink(struct ref_lock *lock, const char *target) return ret; } -static void update_symref_reflog(struct files_ref_store *refs, - struct ref_lock *lock, const char *refname, - const char *target, const char *logmsg) -{ - struct strbuf err = STRBUF_INIT; - struct object_id new_oid; - - if (logmsg && - refs_resolve_ref_unsafe(&refs->base, target, - RESOLVE_REF_READING, &new_oid, NULL) && - files_log_ref_write(refs, refname, &lock->old_oid, - &new_oid, logmsg, 0, &err)) { - error("%s", err.buf); - strbuf_release(&err); - } -} - static int create_symref_lock(struct files_ref_store *refs, struct ref_lock *lock, const char *refname, const char *target, struct strbuf *err) @@ -1939,55 +1922,6 @@ static int create_symref_lock(struct files_ref_store *refs, return 0; } -static int create_and_commit_symref(struct files_ref_store *refs, - struct ref_lock *lock, const char *refname, - const char *target, const char *logmsg) -{ - struct strbuf err = STRBUF_INIT; - int ret; - - if (prefer_symlink_refs && !create_ref_symlink(lock, target)) { - update_symref_reflog(refs, lock, refname, target, logmsg); - return 0; - } - - ret = create_symref_lock(refs, lock, refname, target, &err); - if (!ret) { - update_symref_reflog(refs, lock, refname, target, logmsg); - - if (commit_ref(lock) < 0) - return error("unable to write symref for %s: %s", refname, - strerror(errno)); - } else { - return error("%s", err.buf); - } - - return ret; -} - -static int files_create_symref(struct ref_store *ref_store, - const char *refname, const char *target, - const char *logmsg) -{ - struct files_ref_store *refs = - files_downcast(ref_store, REF_STORE_WRITE, "create_symref"); - struct strbuf err = STRBUF_INIT; - struct ref_lock *lock; - int ret; - - lock = lock_ref_oid_basic(refs, refname, &err); - if (!lock) { - error("%s", err.buf); - strbuf_release(&err); - return -1; - } - - ret = create_and_commit_symref(refs, lock, refname, target, logmsg); - - unlock_ref(lock); - return ret; -} - static int files_reflog_exists(struct ref_store *ref_store, const char *refname) { @@ -3374,7 +3308,6 @@ struct ref_storage_be refs_be_files = { .initial_transaction_commit = files_initial_transaction_commit, .pack_refs = files_pack_refs, - .create_symref = files_create_symref, .rename_ref = files_rename_ref, .copy_ref = files_copy_ref, diff --git a/refs/packed-backend.c b/refs/packed-backend.c index 4e826c05ff..a937e7dbfc 100644 --- a/refs/packed-backend.c +++ b/refs/packed-backend.c @@ -1714,7 +1714,6 @@ struct ref_storage_be refs_be_packed = { .initial_transaction_commit = packed_initial_transaction_commit, .pack_refs = packed_pack_refs, - .create_symref = NULL, .rename_ref = NULL, .copy_ref = NULL, diff --git a/refs/refs-internal.h b/refs/refs-internal.h index 819157256e..53a6c5d842 100644 --- a/refs/refs-internal.h +++ b/refs/refs-internal.h @@ -566,10 +566,6 @@ typedef int ref_transaction_commit_fn(struct ref_store *refs, typedef int pack_refs_fn(struct ref_store *ref_store, struct pack_refs_opts *opts); -typedef int create_symref_fn(struct ref_store *ref_store, - const char *ref_target, - const char *refs_heads_master, - const char *logmsg); typedef int rename_ref_fn(struct ref_store *ref_store, const char *oldref, const char *newref, const char *logmsg); @@ -690,7 +686,6 @@ struct ref_storage_be { ref_transaction_commit_fn *initial_transaction_commit; pack_refs_fn *pack_refs; - create_symref_fn *create_symref; rename_ref_fn *rename_ref; copy_ref_fn *copy_ref; diff --git a/refs/reftable-backend.c b/refs/reftable-backend.c index 3eab57cf95..1b92c396b6 100644 --- a/refs/reftable-backend.c +++ b/refs/reftable-backend.c @@ -1259,91 +1259,6 @@ struct write_create_symref_arg { const char *logmsg; }; -static int write_create_symref_table(struct reftable_writer *writer, void *cb_data) -{ - struct write_create_symref_arg *create = cb_data; - uint64_t ts = reftable_stack_next_update_index(create->stack); - struct reftable_ref_record ref = { - .refname = (char *)create->refname, - .value_type = REFTABLE_REF_SYMREF, - .value.symref = (char *)create->target, - .update_index = ts, - }; - struct reftable_log_record log = {0}; - struct object_id new_oid; - struct object_id old_oid; - int ret; - - reftable_writer_set_limits(writer, ts, ts); - - ret = reftable_writer_add_ref(writer, &ref); - if (ret) - return ret; - - /* - * Note that it is important to try and resolve the reference before we - * write the log entry. This is because `should_write_log()` will munge - * `core.logAllRefUpdates`, which is undesirable when we create a new - * repository because it would be written into the config. As HEAD will - * not resolve for new repositories this ordering will ensure that this - * never happens. - */ - if (!create->logmsg || - !refs_resolve_ref_unsafe(&create->refs->base, create->target, - RESOLVE_REF_READING, &new_oid, NULL) || - !should_write_log(&create->refs->base, create->refname)) - return 0; - - fill_reftable_log_record(&log); - log.refname = xstrdup(create->refname); - log.update_index = ts; - log.value.update.message = xstrndup(create->logmsg, - create->refs->write_options.block_size / 2); - memcpy(log.value.update.new_hash, new_oid.hash, GIT_MAX_RAWSZ); - if (refs_resolve_ref_unsafe(&create->refs->base, create->refname, - RESOLVE_REF_READING, &old_oid, NULL)) - memcpy(log.value.update.old_hash, old_oid.hash, GIT_MAX_RAWSZ); - - ret = reftable_writer_add_log(writer, &log); - reftable_log_record_release(&log); - return ret; -} - -static int reftable_be_create_symref(struct ref_store *ref_store, - const char *refname, - const char *target, - const char *logmsg) -{ - struct reftable_ref_store *refs = - reftable_be_downcast(ref_store, REF_STORE_WRITE, "create_symref"); - struct reftable_stack *stack = stack_for(refs, refname, &refname); - struct write_create_symref_arg arg = { - .refs = refs, - .stack = stack, - .refname = refname, - .target = target, - .logmsg = logmsg, - }; - int ret; - - ret = refs->err; - if (ret < 0) - goto done; - - ret = reftable_stack_reload(stack); - if (ret) - goto done; - - ret = reftable_stack_add(stack, &write_create_symref_table, &arg); - -done: - assert(ret != REFTABLE_API_ERROR); - if (ret) - error("unable to write symref for %s: %s", refname, - reftable_error_str(ret)); - return ret; -} - struct write_copy_arg { struct reftable_ref_store *refs; struct reftable_stack *stack; @@ -2251,7 +2166,6 @@ struct ref_storage_be refs_be_reftable = { .initial_transaction_commit = reftable_be_initial_transaction_commit, .pack_refs = reftable_be_pack_refs, - .create_symref = reftable_be_create_symref, .rename_ref = reftable_be_rename_ref, .copy_ref = reftable_be_copy_ref, -- 2.43.GIT