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From: "Han-Wen Nienhuys via GitGitGadget" <gitgitgadget@gmail.com>
To: git@vger.kernel.org
Cc: Han-Wen Nienhuys <hanwenn@gmail.com>,
	Han-Wen Nienhuys <hanwen@google.com>
Subject: [PATCH 02/13] reftable: define the public API
Date: Wed, 16 Sep 2020 19:10:05 +0000	[thread overview]
Message-ID: <e2dbc84833ba04110640de03452c5c1195b5d3a7.1600283416.git.gitgitgadget@gmail.com> (raw)
In-Reply-To: <pull.847.git.git.1600283416.gitgitgadget@gmail.com>

From: Han-Wen Nienhuys <hanwen@google.com>

Signed-off-by: Han-Wen Nienhuys <hanwen@google.com>
---
 reftable/reftable.h | 585 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 585 insertions(+)
 create mode 100644 reftable/reftable.h

diff --git a/reftable/reftable.h b/reftable/reftable.h
new file mode 100644
index 0000000000..5f8ebf5540
--- /dev/null
+++ b/reftable/reftable.h
@@ -0,0 +1,585 @@
+/*
+Copyright 2020 Google LLC
+
+Use of this source code is governed by a BSD-style
+license that can be found in the LICENSE file or at
+https://developers.google.com/open-source/licenses/bsd
+*/
+
+#ifndef REFTABLE_H
+#define REFTABLE_H
+
+#include <stdint.h>
+#include <stddef.h>
+
+void reftable_set_alloc(void *(*malloc)(size_t),
+			void *(*realloc)(void *, size_t), void (*free)(void *));
+
+/****************************************************************
+ Basic data types
+
+ Reftables store the state of each ref in struct reftable_ref_record, and they
+ store a sequence of reflog updates in struct reftable_log_record.
+ ****************************************************************/
+
+/* reftable_ref_record holds a ref database entry target_value */
+struct reftable_ref_record {
+	char *refname; /* Name of the ref, malloced. */
+	uint64_t update_index; /* Logical timestamp at which this value is
+				  written */
+	uint8_t *value; /* SHA1, or NULL. malloced. */
+	uint8_t *target_value; /* peeled annotated tag, or NULL. malloced. */
+	char *target; /* symref, or NULL. malloced. */
+};
+
+/* returns whether 'ref' represents a deletion */
+int reftable_ref_record_is_deletion(const struct reftable_ref_record *ref);
+
+/* prints a reftable_ref_record onto stdout */
+void reftable_ref_record_print(struct reftable_ref_record *ref,
+			       uint32_t hash_id);
+
+/* frees and nulls all pointer values. */
+void reftable_ref_record_clear(struct reftable_ref_record *ref);
+
+/* returns whether two reftable_ref_records are the same */
+int reftable_ref_record_equal(struct reftable_ref_record *a,
+			      struct reftable_ref_record *b, int hash_size);
+
+/* reftable_log_record holds a reflog entry */
+struct reftable_log_record {
+	char *refname;
+	uint64_t update_index; /* logical timestamp of a transactional update.
+				*/
+	uint8_t *new_hash;
+	uint8_t *old_hash;
+	char *name;
+	char *email;
+	uint64_t time;
+	int16_t tz_offset;
+	char *message;
+};
+
+/* returns whether 'ref' represents the deletion of a log record. */
+int reftable_log_record_is_deletion(const struct reftable_log_record *log);
+
+/* frees and nulls all pointer values. */
+void reftable_log_record_clear(struct reftable_log_record *log);
+
+/* returns whether two records are equal. */
+int reftable_log_record_equal(struct reftable_log_record *a,
+			      struct reftable_log_record *b, int hash_size);
+
+/* dumps a reftable_log_record on stdout, for debugging/testing. */
+void reftable_log_record_print(struct reftable_log_record *log,
+			       uint32_t hash_id);
+
+/****************************************************************
+ Error handling
+
+ Error are signaled with negative integer return values. 0 means success.
+ ****************************************************************/
+
+/* different types of errors */
+enum reftable_error {
+	/* Unexpected file system behavior */
+	REFTABLE_IO_ERROR = -2,
+
+	/* Format inconsistency on reading data
+	 */
+	REFTABLE_FORMAT_ERROR = -3,
+
+	/* File does not exist. Returned from block_source_from_file(),  because
+	   it needs special handling in stack.
+	*/
+	REFTABLE_NOT_EXIST_ERROR = -4,
+
+	/* Trying to write out-of-date data. */
+	REFTABLE_LOCK_ERROR = -5,
+
+	/* Misuse of the API:
+	   - on writing a record with NULL refname.
+	   - on writing a reftable_ref_record outside the table limits
+	   - on writing a ref or log record before the stack's next_update_index
+	   - on writing a log record with multiline message with
+	   exact_log_message unset
+	   - on reading a reftable_ref_record from log iterator, or vice versa.
+	*/
+	REFTABLE_API_ERROR = -6,
+
+	/* Decompression error */
+	REFTABLE_ZLIB_ERROR = -7,
+
+	/* Wrote a table without blocks. */
+	REFTABLE_EMPTY_TABLE_ERROR = -8,
+
+	/* Dir/file conflict. */
+	REFTABLE_NAME_CONFLICT = -9,
+
+	/* Illegal ref name. */
+	REFTABLE_REFNAME_ERROR = -10,
+};
+
+/* convert the numeric error code to a string. The string should not be
+ * deallocated. */
+const char *reftable_error_str(int err);
+
+/*
+ * Convert the numeric error code to an equivalent errno code.
+ */
+int reftable_error_to_errno(int err);
+
+/****************************************************************
+ Writing
+
+ Writing single reftables
+ ****************************************************************/
+
+/* reftable_write_options sets options for writing a single reftable. */
+struct reftable_write_options {
+	/* boolean: do not pad out blocks to block size. */
+	int unpadded;
+
+	/* the blocksize. Should be less than 2^24. */
+	uint32_t block_size;
+
+	/* boolean: do not generate a SHA1 => ref index. */
+	int skip_index_objects;
+
+	/* how often to write complete keys in each block. */
+	int restart_interval;
+
+	/* 4-byte identifier ("sha1", "s256") of the hash.
+	 * Defaults to SHA1 if unset
+	 */
+	uint32_t hash_id;
+
+	/* boolean: do not check ref names for validity or dir/file conflicts.
+	 */
+	int skip_name_check;
+
+	/* boolean: copy log messages exactly. If unset, check that the message
+	 *   is a single line, and add '\n' if missing.
+	 */
+	int exact_log_message;
+};
+
+/* reftable_block_stats holds statistics for a single block type */
+struct reftable_block_stats {
+	/* total number of entries written */
+	int entries;
+	/* total number of key restarts */
+	int restarts;
+	/* total number of blocks */
+	int blocks;
+	/* total number of index blocks */
+	int index_blocks;
+	/* depth of the index */
+	int max_index_level;
+
+	/* offset of the first block for this type */
+	uint64_t offset;
+	/* offset of the top level index block for this type, or 0 if not
+	 * present */
+	uint64_t index_offset;
+};
+
+/* stats holds overall statistics for a single reftable */
+struct reftable_stats {
+	/* total number of blocks written. */
+	int blocks;
+	/* stats for ref data */
+	struct reftable_block_stats ref_stats;
+	/* stats for the SHA1 to ref map. */
+	struct reftable_block_stats obj_stats;
+	/* stats for index blocks */
+	struct reftable_block_stats idx_stats;
+	/* stats for log blocks */
+	struct reftable_block_stats log_stats;
+
+	/* disambiguation length of shortened object IDs. */
+	int object_id_len;
+};
+
+/* reftable_new_writer creates a new writer */
+struct reftable_writer *
+reftable_new_writer(int (*writer_func)(void *, const void *, size_t),
+		    void *writer_arg, struct reftable_write_options *opts);
+
+/* write to a file descriptor. fdp should be an int* pointing to the fd. */
+int reftable_fd_write(void *fdp, const void *data, size_t size);
+
+/* Set the range of update indices for the records we will add.  When
+   writing a table into a stack, the min should be at least
+   reftable_stack_next_update_index(), or REFTABLE_API_ERROR is returned.
+
+   For transactional updates, typically min==max. When converting an existing
+   ref database into a single reftable, this would be a range of update-index
+   timestamps.
+ */
+void reftable_writer_set_limits(struct reftable_writer *w, uint64_t min,
+				uint64_t max);
+
+/* adds a reftable_ref_record. Must be called in ascending
+   order. The update_index must be within the limits set by
+   reftable_writer_set_limits(), or REFTABLE_API_ERROR is returned.
+
+   It is an error to write a ref record after a log record.
+ */
+int reftable_writer_add_ref(struct reftable_writer *w,
+			    struct reftable_ref_record *ref);
+
+/* Convenience function to add multiple refs. Will sort the refs by
+   name before adding. */
+int reftable_writer_add_refs(struct reftable_writer *w,
+			     struct reftable_ref_record *refs, int n);
+
+/* adds a reftable_log_record. Must be called in ascending order (with more
+   recent log entries first.)
+ */
+int reftable_writer_add_log(struct reftable_writer *w,
+			    struct reftable_log_record *log);
+
+/* Convenience function to add multiple logs. Will sort the records by
+   key before adding. */
+int reftable_writer_add_logs(struct reftable_writer *w,
+			     struct reftable_log_record *logs, int n);
+
+/* reftable_writer_close finalizes the reftable. The writer is retained so
+ * statistics can be inspected. */
+int reftable_writer_close(struct reftable_writer *w);
+
+/* writer_stats returns the statistics on the reftable being written.
+
+   This struct becomes invalid when the writer is freed.
+ */
+const struct reftable_stats *writer_stats(struct reftable_writer *w);
+
+/* reftable_writer_free deallocates memory for the writer */
+void reftable_writer_free(struct reftable_writer *w);
+
+/****************************************************************
+ * ITERATING
+ ****************************************************************/
+
+/* iterator is the generic interface for walking over data stored in a
+   reftable. It is generally passed around by value.
+*/
+struct reftable_iterator {
+	struct reftable_iterator_vtable *ops;
+	void *iter_arg;
+};
+
+/* reads the next reftable_ref_record. Returns < 0 for error, 0 for OK and > 0:
+   end of iteration.
+*/
+int reftable_iterator_next_ref(struct reftable_iterator *it,
+			       struct reftable_ref_record *ref);
+
+/* reads the next reftable_log_record. Returns < 0 for error, 0 for OK and > 0:
+   end of iteration.
+*/
+int reftable_iterator_next_log(struct reftable_iterator *it,
+			       struct reftable_log_record *log);
+
+/* releases resources associated with an iterator. */
+void reftable_iterator_destroy(struct reftable_iterator *it);
+
+/****************************************************************
+ Reading single tables
+
+ The follow routines are for reading single files. For an application-level
+ interface, skip ahead to struct reftable_merged_table and struct
+ reftable_stack.
+ ****************************************************************/
+
+/* block_source is a generic wrapper for a seekable readable file.
+   It is generally passed around by value.
+ */
+struct reftable_block_source {
+	struct reftable_block_source_vtable *ops;
+	void *arg;
+};
+
+/* a contiguous segment of bytes. It keeps track of its generating block_source
+   so it can return itself into the pool.
+*/
+struct reftable_block {
+	uint8_t *data;
+	int len;
+	struct reftable_block_source source;
+};
+
+/* block_source_vtable are the operations that make up block_source */
+struct reftable_block_source_vtable {
+	/* returns the size of a block source */
+	uint64_t (*size)(void *source);
+
+	/* reads a segment from the block source. It is an error to read
+	   beyond the end of the block */
+	int (*read_block)(void *source, struct reftable_block *dest,
+			  uint64_t off, uint32_t size);
+	/* mark the block as read; may return the data back to malloc */
+	void (*return_block)(void *source, struct reftable_block *blockp);
+
+	/* release all resources associated with the block source */
+	void (*close)(void *source);
+};
+
+/* opens a file on the file system as a block_source */
+int reftable_block_source_from_file(struct reftable_block_source *block_src,
+				    const char *name);
+
+/* The reader struct is a handle to an open reftable file. */
+struct reftable_reader;
+
+/* reftable_new_reader opens a reftable for reading. If successful, returns 0
+ * code and sets pp. The name is used for creating a stack. Typically, it is the
+ * basename of the file. The block source `src` is owned by the reader, and is
+ * closed on calling reftable_reader_destroy().
+ */
+int reftable_new_reader(struct reftable_reader **pp,
+			struct reftable_block_source *src, const char *name);
+
+/* reftable_reader_seek_ref returns an iterator where 'name' would be inserted
+   in the table.  To seek to the start of the table, use name = "".
+
+   example:
+
+   struct reftable_reader *r = NULL;
+   int err = reftable_new_reader(&r, &src, "filename");
+   if (err < 0) { ... }
+   struct reftable_iterator it  = {0};
+   err = reftable_reader_seek_ref(r, &it, "refs/heads/master");
+   if (err < 0) { ... }
+   struct reftable_ref_record ref  = {0};
+   while (1) {
+     err = reftable_iterator_next_ref(&it, &ref);
+     if (err > 0) {
+       break;
+     }
+     if (err < 0) {
+       ..error handling..
+     }
+     ..found..
+   }
+   reftable_iterator_destroy(&it);
+   reftable_ref_record_clear(&ref);
+ */
+int reftable_reader_seek_ref(struct reftable_reader *r,
+			     struct reftable_iterator *it, const char *name);
+
+/* returns the hash ID used in this table. */
+uint32_t reftable_reader_hash_id(struct reftable_reader *r);
+
+/* seek to logs for the given name, older than update_index. To seek to the
+   start of the table, use name = "".
+ */
+int reftable_reader_seek_log_at(struct reftable_reader *r,
+				struct reftable_iterator *it, const char *name,
+				uint64_t update_index);
+
+/* seek to newest log entry for given name. */
+int reftable_reader_seek_log(struct reftable_reader *r,
+			     struct reftable_iterator *it, const char *name);
+
+/* closes and deallocates a reader. */
+void reftable_reader_free(struct reftable_reader *);
+
+/* return an iterator for the refs pointing to `oid`. */
+int reftable_reader_refs_for(struct reftable_reader *r,
+			     struct reftable_iterator *it, uint8_t *oid);
+
+/* return the max_update_index for a table */
+uint64_t reftable_reader_max_update_index(struct reftable_reader *r);
+
+/* return the min_update_index for a table */
+uint64_t reftable_reader_min_update_index(struct reftable_reader *r);
+
+/****************************************************************
+ Merged tables
+
+ A ref database kept in a sequence of table files. The merged_table presents a
+ unified view to reading (seeking, iterating) a sequence of immutable tables.
+ ****************************************************************/
+
+/* A merged table is implements seeking/iterating over a stack of tables. */
+struct reftable_merged_table;
+
+/* A generic reftable; see below. */
+struct reftable_table;
+
+/* reftable_new_merged_table creates a new merged table. It takes ownership of
+   the stack array.
+*/
+int reftable_new_merged_table(struct reftable_merged_table **dest,
+			      struct reftable_table *stack, int n,
+			      uint32_t hash_id);
+
+/* returns an iterator positioned just before 'name' */
+int reftable_merged_table_seek_ref(struct reftable_merged_table *mt,
+				   struct reftable_iterator *it,
+				   const char *name);
+
+/* returns an iterator for log entry, at given update_index */
+int reftable_merged_table_seek_log_at(struct reftable_merged_table *mt,
+				      struct reftable_iterator *it,
+				      const char *name, uint64_t update_index);
+
+/* like reftable_merged_table_seek_log_at but look for the newest entry. */
+int reftable_merged_table_seek_log(struct reftable_merged_table *mt,
+				   struct reftable_iterator *it,
+				   const char *name);
+
+/* returns the max update_index covered by this merged table. */
+uint64_t
+reftable_merged_table_max_update_index(struct reftable_merged_table *mt);
+
+/* returns the min update_index covered by this merged table. */
+uint64_t
+reftable_merged_table_min_update_index(struct reftable_merged_table *mt);
+
+/* releases memory for the merged_table */
+void reftable_merged_table_free(struct reftable_merged_table *m);
+
+/* return the hash ID of the merged table. */
+uint32_t reftable_merged_table_hash_id(struct reftable_merged_table *m);
+
+/****************************************************************
+ Generic tables
+
+ A unified API for reading tables, either merged tables, or single readers.
+ ****************************************************************/
+
+struct reftable_table {
+	struct reftable_table_vtable *ops;
+	void *table_arg;
+};
+
+int reftable_table_seek_ref(struct reftable_table *tab,
+			    struct reftable_iterator *it, const char *name);
+
+void reftable_table_from_reader(struct reftable_table *tab,
+				struct reftable_reader *reader);
+
+/* returns the hash ID from a generic reftable_table */
+uint32_t reftable_table_hash_id(struct reftable_table *tab);
+
+/* create a generic table from reftable_merged_table */
+void reftable_table_from_merged_table(struct reftable_table *tab,
+				      struct reftable_merged_table *table);
+
+/* returns the max update_index covered by this table. */
+uint64_t reftable_table_max_update_index(struct reftable_table *tab);
+
+/* returns the min update_index covered by this table. */
+uint64_t reftable_table_min_update_index(struct reftable_table *tab);
+
+/* convenience function to read a single ref. Returns < 0 for error, 0
+   for success, and 1 if ref not found. */
+int reftable_table_read_ref(struct reftable_table *tab, const char *name,
+			    struct reftable_ref_record *ref);
+
+/****************************************************************
+ Mutable ref database
+
+ The stack presents an interface to a mutable sequence of reftables.
+ ****************************************************************/
+
+/* a stack is a stack of reftables, which can be mutated by pushing a table to
+ * the top of the stack */
+struct reftable_stack;
+
+/* open a new reftable stack. The tables along with the table list will be
+   stored in 'dir'. Typically, this should be .git/reftables.
+*/
+int reftable_new_stack(struct reftable_stack **dest, const char *dir,
+		       struct reftable_write_options config);
+
+/* returns the update_index at which a next table should be written. */
+uint64_t reftable_stack_next_update_index(struct reftable_stack *st);
+
+/* holds a transaction to add tables at the top of a stack. */
+struct reftable_addition;
+
+/*
+  returns a new transaction to add reftables to the given stack. As a side
+  effect, the ref database is locked.
+*/
+int reftable_stack_new_addition(struct reftable_addition **dest,
+				struct reftable_stack *st);
+
+/* Adds a reftable to transaction. */
+int reftable_addition_add(struct reftable_addition *add,
+			  int (*write_table)(struct reftable_writer *wr,
+					     void *arg),
+			  void *arg);
+
+/* Commits the transaction, releasing the lock. */
+int reftable_addition_commit(struct reftable_addition *add);
+
+/* Release all non-committed data from the transaction, and deallocate the
+   transaction. Releases the lock if held. */
+void reftable_addition_destroy(struct reftable_addition *add);
+
+/* add a new table to the stack. The write_table function must call
+   reftable_writer_set_limits, add refs and return an error value. */
+int reftable_stack_add(struct reftable_stack *st,
+		       int (*write_table)(struct reftable_writer *wr,
+					  void *write_arg),
+		       void *write_arg);
+
+/* returns the merged_table for seeking. This table is valid until the
+   next write or reload, and should not be closed or deleted.
+*/
+struct reftable_merged_table *
+reftable_stack_merged_table(struct reftable_stack *st);
+
+/* frees all resources associated with the stack. */
+void reftable_stack_destroy(struct reftable_stack *st);
+
+/* Reloads the stack if necessary. This is very cheap to run if the stack was up
+ * to date */
+int reftable_stack_reload(struct reftable_stack *st);
+
+/* Policy for expiring reflog entries. */
+struct reftable_log_expiry_config {
+	/* Drop entries older than this timestamp */
+	uint64_t time;
+
+	/* Drop older entries */
+	uint64_t min_update_index;
+};
+
+/* compacts all reftables into a giant table. Expire reflog entries if config is
+ * non-NULL */
+int reftable_stack_compact_all(struct reftable_stack *st,
+			       struct reftable_log_expiry_config *config);
+
+/* heuristically compact unbalanced table stack. */
+int reftable_stack_auto_compact(struct reftable_stack *st);
+
+/* convenience function to read a single ref. Returns < 0 for error, 0
+   for success, and 1 if ref not found. */
+int reftable_stack_read_ref(struct reftable_stack *st, const char *refname,
+			    struct reftable_ref_record *ref);
+
+/* convenience function to read a single log. Returns < 0 for error, 0
+   for success, and 1 if ref not found. */
+int reftable_stack_read_log(struct reftable_stack *st, const char *refname,
+			    struct reftable_log_record *log);
+
+/* statistics on past compactions. */
+struct reftable_compaction_stats {
+	uint64_t bytes; /* total number of bytes written */
+	uint64_t entries_written; /* total number of entries written, including
+				     failures. */
+	int attempts; /* how often we tried to compact */
+	int failures; /* failures happen on concurrent updates */
+};
+
+/* return statistics for compaction up till now. */
+struct reftable_compaction_stats *
+reftable_stack_compaction_stats(struct reftable_stack *st);
+
+#endif
-- 
gitgitgadget


  parent reply	other threads:[~2020-09-16 19:12 UTC|newest]

Thread overview: 251+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-16 19:10 [PATCH 00/13] reftable library Han-Wen Nienhuys via GitGitGadget
2020-09-16 19:10 ` [PATCH 01/13] reftable: add LICENSE Han-Wen Nienhuys via GitGitGadget
2020-09-16 19:10 ` Han-Wen Nienhuys via GitGitGadget [this message]
2020-09-16 19:10 ` [PATCH 03/13] vcxproj: adjust for the reftable changes Johannes Schindelin via GitGitGadget
2020-09-16 19:10 ` [PATCH 04/13] reftable: add a barebones unittest framework Han-Wen Nienhuys via GitGitGadget
2020-09-16 19:10 ` [PATCH 05/13] reftable: utility functions Han-Wen Nienhuys via GitGitGadget
2020-09-16 19:10 ` [PATCH 06/13] reftable: (de)serialization for the polymorphic record type Han-Wen Nienhuys via GitGitGadget
2020-09-20  1:00   ` Junio C Hamano
2020-09-21 13:13     ` Han-Wen Nienhuys
2020-09-24  7:21       ` Jeff King
2020-09-24  7:31         ` Jeff King
2020-09-24 17:22           ` Junio C Hamano
2020-09-16 19:10 ` [PATCH 07/13] reftable: reading/writing blocks Han-Wen Nienhuys via GitGitGadget
2020-09-16 19:10 ` [PATCH 08/13] reftable: a generic binary tree implementation Han-Wen Nienhuys via GitGitGadget
2020-09-16 19:10 ` [PATCH 09/13] reftable: write reftable files Han-Wen Nienhuys via GitGitGadget
2020-09-16 19:10 ` [PATCH 10/13] reftable: read " Han-Wen Nienhuys via GitGitGadget
2020-09-16 19:10 ` [PATCH 11/13] reftable: file level tests Han-Wen Nienhuys via GitGitGadget
2020-09-16 19:10 ` [PATCH 12/13] reftable: rest of library Han-Wen Nienhuys via GitGitGadget
2020-09-16 19:10 ` [PATCH 13/13] reftable: "test-tool dump-reftable" command Han-Wen Nienhuys via GitGitGadget
2020-10-01 16:10 ` [PATCH v2 00/13] reftable library Han-Wen Nienhuys via GitGitGadget
2020-10-01 16:10   ` [PATCH v2 01/13] reftable: add LICENSE Han-Wen Nienhuys via GitGitGadget
2020-10-02  3:18     ` Jonathan Nieder
2020-10-01 16:10   ` [PATCH v2 02/13] reftable: define the public API Han-Wen Nienhuys via GitGitGadget
2020-10-02  3:58     ` Jonathan Nieder
2020-10-09 21:13       ` Emily Shaffer
2020-10-10 17:03         ` Han-Wen Nienhuys
2020-11-30 14:44         ` Han-Wen Nienhuys
2020-10-10 13:43       ` Han-Wen Nienhuys
2020-10-12 16:57         ` Jonathan Nieder
2020-11-30 14:55           ` Han-Wen Nienhuys
2020-10-08  1:41     ` Jonathan Tan
2020-10-10 16:57       ` Han-Wen Nienhuys
2020-10-01 16:10   ` [PATCH v2 03/13] vcxproj: adjust for the reftable changes Johannes Schindelin via GitGitGadget
2020-10-02  4:02     ` Jonathan Nieder
2020-10-02 11:43       ` Johannes Schindelin
2020-10-01 16:10   ` [PATCH v2 04/13] reftable: add a barebones unittest framework Han-Wen Nienhuys via GitGitGadget
2020-10-02  4:05     ` Jonathan Nieder
2020-10-08  1:45     ` Jonathan Tan
2020-10-08 22:31       ` Josh Steadmon
2020-10-01 16:10   ` [PATCH v2 05/13] reftable: utility functions Han-Wen Nienhuys via GitGitGadget
2020-10-02  4:12     ` Jonathan Nieder
2020-10-10 17:32       ` Han-Wen Nienhuys
2020-10-12 15:25         ` Jonathan Nieder
2020-10-12 17:05           ` Patrick Steinhardt
2020-10-12 17:45             ` Jonathan Nieder
2020-10-13 12:12             ` Johannes Schindelin
2020-10-13 15:47               ` Junio C Hamano
2020-10-15 11:46                 ` Johannes Schindelin
2020-10-15 16:23                   ` Junio C Hamano
2020-10-15 19:39                     ` Johannes Schindelin
2020-10-16  9:15                     ` Patrick Steinhardt
2020-10-02 14:01     ` Johannes Schindelin
2020-10-02 20:47       ` Junio C Hamano
2020-10-03  8:07         ` Johannes Schindelin
2020-10-08  1:48     ` Jonathan Tan
2020-10-10 17:28       ` Han-Wen Nienhuys
2020-10-11 10:52         ` Johannes Schindelin
2020-10-12 15:19           ` Jonathan Nieder
2020-10-12 18:44             ` Johannes Schindelin
2020-10-12 19:41               ` Jonathan Nieder
2020-10-12 20:27                 ` Johannes Schindelin
2020-10-12 16:42           ` Junio C Hamano
2020-10-12 19:01             ` Johannes Schindelin
2020-10-23  9:13         ` Ævar Arnfjörð Bjarmason
2020-10-23 17:36           ` Junio C Hamano
2020-10-01 16:10   ` [PATCH v2 06/13] reftable: (de)serialization for the polymorphic record type Han-Wen Nienhuys via GitGitGadget
2020-10-01 19:23     ` Junio C Hamano
2020-10-01 19:59       ` Ramsay Jones
2020-10-01 16:10   ` [PATCH v2 07/13] reftable: reading/writing blocks Han-Wen Nienhuys via GitGitGadget
2020-10-01 16:10   ` [PATCH v2 08/13] reftable: a generic binary tree implementation Han-Wen Nienhuys via GitGitGadget
2020-10-01 16:10   ` [PATCH v2 09/13] reftable: write reftable files Han-Wen Nienhuys via GitGitGadget
2020-10-01 16:11   ` [PATCH v2 10/13] reftable: read " Han-Wen Nienhuys via GitGitGadget
2020-10-01 16:11   ` [PATCH v2 11/13] reftable: file level tests Han-Wen Nienhuys via GitGitGadget
2020-10-01 16:11   ` [PATCH v2 12/13] reftable: rest of library Han-Wen Nienhuys via GitGitGadget
2020-10-02 13:57     ` Johannes Schindelin
2020-10-02 17:08       ` Junio C Hamano
2020-10-04 18:39         ` Johannes Schindelin
2020-10-01 16:11   ` [PATCH v2 13/13] reftable: "test-tool dump-reftable" command Han-Wen Nienhuys via GitGitGadget
2020-11-26 19:42   ` [PATCH v3 00/16] reftable library Han-Wen Nienhuys via GitGitGadget
2020-11-26 19:42     ` [PATCH v3 01/16] move sleep_millisec to git-compat-util.h Han-Wen Nienhuys via GitGitGadget
2020-11-26 19:42     ` [PATCH v3 02/16] init-db: set the_repository->hash_algo early on Han-Wen Nienhuys via GitGitGadget
2020-11-27 10:22       ` Ævar Arnfjörð Bjarmason
2020-11-26 19:42     ` [PATCH v3 03/16] reftable: add LICENSE Han-Wen Nienhuys via GitGitGadget
2020-11-27 10:23       ` Ævar Arnfjörð Bjarmason
2020-11-30 11:26         ` Han-Wen Nienhuys
2020-11-30 20:25           ` Han-Wen Nienhuys
2020-11-30 21:21             ` Felipe Contreras
2020-12-01  9:51               ` Han-Wen Nienhuys
2020-12-01 10:38                 ` Felipe Contreras
2020-12-01 11:45                   ` Ævar Arnfjörð Bjarmason
2020-12-01 13:34                     ` Han-Wen Nienhuys
2020-12-01 23:13                       ` Felipe Contreras
2020-12-01 23:03                     ` Felipe Contreras
2020-11-26 19:42     ` [PATCH v3 04/16] reftable: add error related functionality Han-Wen Nienhuys via GitGitGadget
2020-11-27  9:13       ` Felipe Contreras
2020-11-27 10:25       ` Ævar Arnfjörð Bjarmason
2020-11-30 11:27         ` Han-Wen Nienhuys
2020-11-26 19:42     ` [PATCH v3 05/16] reftable: utility functions Han-Wen Nienhuys via GitGitGadget
2020-11-27 10:18       ` Felipe Contreras
2020-11-27 10:33       ` Ævar Arnfjörð Bjarmason
2020-11-26 19:42     ` [PATCH v3 06/16] reftable: add blocksource, an abstraction for random access reads Han-Wen Nienhuys via GitGitGadget
2020-11-26 19:42     ` [PATCH v3 07/16] reftable: (de)serialization for the polymorphic record type Han-Wen Nienhuys via GitGitGadget
2020-11-26 19:42     ` [PATCH v3 08/16] reftable: reading/writing blocks Han-Wen Nienhuys via GitGitGadget
2020-11-26 19:42     ` [PATCH v3 09/16] reftable: a generic binary tree implementation Han-Wen Nienhuys via GitGitGadget
2020-11-26 19:42     ` [PATCH v3 10/16] reftable: write reftable files Han-Wen Nienhuys via GitGitGadget
2020-11-26 19:42     ` [PATCH v3 11/16] reftable: read " Han-Wen Nienhuys via GitGitGadget
2020-11-26 19:42     ` [PATCH v3 12/16] reftable: reftable file level tests Han-Wen Nienhuys via GitGitGadget
2020-11-26 19:42     ` [PATCH v3 13/16] reftable: rest of library Han-Wen Nienhuys via GitGitGadget
2020-11-26 19:42     ` [PATCH v3 14/16] Reftable support for git-core Han-Wen Nienhuys via GitGitGadget
2020-11-27 10:59       ` Ævar Arnfjörð Bjarmason
2020-11-26 19:42     ` [PATCH v3 15/16] git-prompt: prepare for reftable refs backend SZEDER Gábor via GitGitGadget
2020-11-26 19:42     ` [PATCH v3 16/16] Add "test-tool dump-reftable" command Han-Wen Nienhuys via GitGitGadget
2020-12-09 14:00     ` [PATCH v4 00/15] reftable library Han-Wen Nienhuys via GitGitGadget
2020-12-09 14:00       ` [PATCH v4 01/15] init-db: set the_repository->hash_algo early on Han-Wen Nienhuys via GitGitGadget
2020-12-09 14:00       ` [PATCH v4 02/15] reftable: add LICENSE Han-Wen Nienhuys via GitGitGadget
2020-12-09 14:00       ` [PATCH v4 03/15] reftable: add error related functionality Han-Wen Nienhuys via GitGitGadget
2020-12-09 14:00       ` [PATCH v4 04/15] reftable: utility functions Han-Wen Nienhuys via GitGitGadget
2020-12-09 14:00       ` [PATCH v4 05/15] reftable: add blocksource, an abstraction for random access reads Han-Wen Nienhuys via GitGitGadget
2020-12-09 14:00       ` [PATCH v4 06/15] reftable: (de)serialization for the polymorphic record type Han-Wen Nienhuys via GitGitGadget
2020-12-09 14:00       ` [PATCH v4 07/15] reftable: reading/writing blocks Han-Wen Nienhuys via GitGitGadget
2020-12-09 14:00       ` [PATCH v4 08/15] reftable: a generic binary tree implementation Han-Wen Nienhuys via GitGitGadget
2020-12-09 14:00       ` [PATCH v4 09/15] reftable: write reftable files Han-Wen Nienhuys via GitGitGadget
2020-12-09 14:00       ` [PATCH v4 10/15] reftable: read " Han-Wen Nienhuys via GitGitGadget
2020-12-09 14:00       ` [PATCH v4 11/15] reftable: reftable file level tests Han-Wen Nienhuys via GitGitGadget
2020-12-09 14:00       ` [PATCH v4 12/15] reftable: rest of library Han-Wen Nienhuys via GitGitGadget
2020-12-09 14:00       ` [PATCH v4 13/15] Reftable support for git-core Han-Wen Nienhuys via GitGitGadget
2021-01-21 15:55         ` Ævar Arnfjörð Bjarmason
2021-01-21 16:14           ` Han-Wen Nienhuys
2021-01-21 16:21             ` Han-Wen Nienhuys
2021-01-26 13:44               ` Ævar Arnfjörð Bjarmason
2021-04-23 10:22           ` Han-Wen Nienhuys
2021-04-26 13:23             ` Ævar Arnfjörð Bjarmason
2021-04-26 16:17               ` Han-Wen Nienhuys
2021-04-28 16:32                 ` Ævar Arnfjörð Bjarmason
2021-04-28 17:40                   ` Han-Wen Nienhuys
2021-02-22  0:41         ` [PATCH] refs: introduce API function to write invalid null ref Stefan Beller
2021-02-22  1:20           ` Eric Sunshine
2021-02-22  3:09             ` Eric Sunshine
2021-02-22 18:38           ` Han-Wen Nienhuys
2020-12-09 14:00       ` [PATCH v4 14/15] git-prompt: prepare for reftable refs backend SZEDER Gábor via GitGitGadget
2020-12-09 14:00       ` [PATCH v4 15/15] Add "test-tool dump-reftable" command Han-Wen Nienhuys via GitGitGadget
2021-03-12 20:19       ` [PATCH v5 00/15] reftable library Han-Wen Nienhuys via GitGitGadget
2021-03-12 20:19         ` [PATCH v5 01/15] init-db: set the_repository->hash_algo early on Han-Wen Nienhuys via GitGitGadget
2021-03-12 20:19         ` [PATCH v5 02/15] reftable: add LICENSE Han-Wen Nienhuys via GitGitGadget
2021-03-12 20:19         ` [PATCH v5 03/15] reftable: add error related functionality Han-Wen Nienhuys via GitGitGadget
2021-03-12 20:19         ` [PATCH v5 04/15] reftable: utility functions Han-Wen Nienhuys via GitGitGadget
2021-03-12 20:19         ` [PATCH v5 05/15] reftable: add blocksource, an abstraction for random access reads Han-Wen Nienhuys via GitGitGadget
2021-03-12 20:19         ` [PATCH v5 06/15] reftable: (de)serialization for the polymorphic record type Han-Wen Nienhuys via GitGitGadget
2021-03-12 20:19         ` [PATCH v5 07/15] reftable: reading/writing blocks Han-Wen Nienhuys via GitGitGadget
2021-03-12 20:19         ` [PATCH v5 08/15] reftable: a generic binary tree implementation Han-Wen Nienhuys via GitGitGadget
2021-03-12 20:19         ` [PATCH v5 09/15] reftable: write reftable files Han-Wen Nienhuys via GitGitGadget
2021-03-12 20:19         ` [PATCH v5 10/15] reftable: read " Han-Wen Nienhuys via GitGitGadget
2021-03-12 20:19         ` [PATCH v5 11/15] reftable: reftable file level tests Han-Wen Nienhuys via GitGitGadget
2021-03-12 20:19         ` [PATCH v5 12/15] reftable: rest of library Han-Wen Nienhuys via GitGitGadget
2021-03-12 20:19         ` [PATCH v5 13/15] Reftable support for git-core Han-Wen Nienhuys via GitGitGadget
2021-03-23 11:40           ` Derrick Stolee
2021-03-23 12:20             ` Ævar Arnfjörð Bjarmason
2021-03-23 20:14               ` Junio C Hamano
2021-03-23 20:12             ` Junio C Hamano
2021-03-12 20:19         ` [PATCH v5 14/15] git-prompt: prepare for reftable refs backend SZEDER Gábor via GitGitGadget
2021-03-12 20:19         ` [PATCH v5 15/15] Add "test-tool dump-reftable" command Han-Wen Nienhuys via GitGitGadget
2021-04-12 19:25         ` [PATCH v6 00/20] reftable library Han-Wen Nienhuys via GitGitGadget
2021-04-12 19:25           ` [PATCH v6 01/20] init-db: set the_repository->hash_algo early on Han-Wen Nienhuys via GitGitGadget
2021-04-12 19:25           ` [PATCH v6 02/20] reftable: add LICENSE Han-Wen Nienhuys via GitGitGadget
2021-04-13  7:28             ` Ævar Arnfjörð Bjarmason
2021-04-13 10:50               ` Han-Wen Nienhuys
2021-04-13 13:41                 ` Ævar Arnfjörð Bjarmason
2021-04-12 19:25           ` [PATCH v6 03/20] reftable: add error related functionality Han-Wen Nienhuys via GitGitGadget
2021-04-12 19:25           ` [PATCH v6 04/20] reftable: utility functions Han-Wen Nienhuys via GitGitGadget
2021-04-13  8:02             ` Ævar Arnfjörð Bjarmason
2021-04-13 10:58               ` Han-Wen Nienhuys
2021-04-13 12:56                 ` Ævar Arnfjörð Bjarmason
2021-04-13 13:14             ` Ævar Arnfjörð Bjarmason
2021-04-15 15:00               ` Han-Wen Nienhuys
2021-04-12 19:25           ` [PATCH v6 05/20] reftable: add blocksource, an abstraction for random access reads Han-Wen Nienhuys via GitGitGadget
2021-04-12 19:25           ` [PATCH v6 06/20] reftable: (de)serialization for the polymorphic record type Han-Wen Nienhuys via GitGitGadget
2021-04-12 19:25           ` [PATCH v6 07/20] reftable: reading/writing blocks Han-Wen Nienhuys via GitGitGadget
2021-04-12 21:40             ` Junio C Hamano
2021-04-13  8:19             ` Ævar Arnfjörð Bjarmason
2021-04-15  8:57               ` Han-Wen Nienhuys
2021-04-12 19:25           ` [PATCH v6 08/20] reftable: a generic binary tree implementation Han-Wen Nienhuys via GitGitGadget
2021-04-12 19:25           ` [PATCH v6 09/20] reftable: write reftable files Han-Wen Nienhuys via GitGitGadget
2021-04-12 19:25           ` [PATCH v6 10/20] reftable: generic interface to tables Han-Wen Nienhuys via GitGitGadget
2021-04-12 19:25           ` [PATCH v6 11/20] reftable: read reftable files Han-Wen Nienhuys via GitGitGadget
2021-04-12 19:25           ` [PATCH v6 12/20] reftable: reftable file level tests Han-Wen Nienhuys via GitGitGadget
2021-04-12 19:25           ` [PATCH v6 13/20] reftable: add a heap-based priority queue for reftable records Han-Wen Nienhuys via GitGitGadget
2021-04-12 19:25           ` [PATCH v6 14/20] reftable: add merged table view Han-Wen Nienhuys via GitGitGadget
2021-04-12 19:25           ` [PATCH v6 15/20] reftable: implement refname validation Han-Wen Nienhuys via GitGitGadget
2021-04-12 19:25           ` [PATCH v6 16/20] reftable: implement stack, a mutable database of reftable files Han-Wen Nienhuys via GitGitGadget
2021-04-12 19:25           ` [PATCH v6 17/20] reftable: add dump utility Han-Wen Nienhuys via GitGitGadget
2021-04-12 19:25           ` [PATCH v6 18/20] Reftable support for git-core Han-Wen Nienhuys via GitGitGadget
2021-04-13  7:18             ` Ævar Arnfjörð Bjarmason
2021-04-14 16:44               ` Han-Wen Nienhuys
2021-04-16 14:55                 ` Ævar Arnfjörð Bjarmason
2021-04-16 18:47                 ` Junio C Hamano
2021-04-12 19:25           ` [PATCH v6 19/20] git-prompt: prepare for reftable refs backend SZEDER Gábor via GitGitGadget
2021-04-12 19:25           ` [PATCH v6 20/20] Add "test-tool dump-reftable" command Han-Wen Nienhuys via GitGitGadget
2021-04-19 11:37           ` [PATCH v7 00/28] reftable library Han-Wen Nienhuys via GitGitGadget
2021-04-19 11:37             ` [PATCH v7 01/28] refs: ref_iterator_peel returns boolean, rather than peel_status Han-Wen Nienhuys via GitGitGadget
2021-04-20 18:47               ` Junio C Hamano
2021-04-21 10:15                 ` Han-Wen Nienhuys
2021-04-21 23:28                   ` Junio C Hamano
2021-04-19 11:37             ` [PATCH v7 02/28] refs: document reflog_expire_fn's flag argument Han-Wen Nienhuys via GitGitGadget
2021-04-20 19:34               ` Junio C Hamano
2021-04-27 15:21                 ` Han-Wen Nienhuys
2021-04-19 11:37             ` [PATCH v7 03/28] refs/debug: trace into reflog expiry too Han-Wen Nienhuys via GitGitGadget
2021-04-20 19:41               ` Junio C Hamano
2021-04-22 17:27                 ` Han-Wen Nienhuys
2021-04-19 11:37             ` [PATCH v7 04/28] hash.h: provide constants for the hash IDs Han-Wen Nienhuys via GitGitGadget
2021-04-20 19:49               ` Junio C Hamano
2021-04-21  1:04                 ` brian m. carlson
2021-04-21  9:43                   ` Han-Wen Nienhuys
2021-07-22  8:31                     ` Han-Wen Nienhuys
2021-04-19 11:37             ` [PATCH v7 05/28] init-db: set the_repository->hash_algo early on Han-Wen Nienhuys via GitGitGadget
2021-04-19 11:37             ` [PATCH v7 06/28] reftable: add LICENSE Han-Wen Nienhuys via GitGitGadget
2021-04-21  7:48               ` Ævar Arnfjörð Bjarmason
2021-04-21  9:15                 ` Han-Wen Nienhuys
2021-04-19 11:37             ` [PATCH v7 07/28] reftable: add error related functionality Han-Wen Nienhuys via GitGitGadget
2021-04-19 11:37             ` [PATCH v7 08/28] reftable: utility functions Han-Wen Nienhuys via GitGitGadget
2021-04-19 11:37             ` [PATCH v7 09/28] reftable: add blocksource, an abstraction for random access reads Han-Wen Nienhuys via GitGitGadget
2021-04-19 11:37             ` [PATCH v7 10/28] reftable: (de)serialization for the polymorphic record type Han-Wen Nienhuys via GitGitGadget
2021-05-04 17:23               ` Andrzej Hunt
2021-05-18 13:12                 ` Han-Wen Nienhuys
2021-04-19 11:37             ` [PATCH v7 11/28] Provide zlib's uncompress2 from compat/zlib-compat.c Han-Wen Nienhuys via GitGitGadget
2021-04-19 11:37             ` [PATCH v7 12/28] reftable: reading/writing blocks Han-Wen Nienhuys via GitGitGadget
2021-04-19 11:37             ` [PATCH v7 13/28] reftable: a generic binary tree implementation Han-Wen Nienhuys via GitGitGadget
2021-04-19 11:37             ` [PATCH v7 14/28] reftable: write reftable files Han-Wen Nienhuys via GitGitGadget
2021-04-19 11:37             ` [PATCH v7 15/28] reftable: generic interface to tables Han-Wen Nienhuys via GitGitGadget
2021-04-19 11:37             ` [PATCH v7 16/28] reftable: read reftable files Han-Wen Nienhuys via GitGitGadget
2021-04-19 11:37             ` [PATCH v7 17/28] reftable: reftable file level tests Han-Wen Nienhuys via GitGitGadget
2021-04-19 11:37             ` [PATCH v7 18/28] reftable: add a heap-based priority queue for reftable records Han-Wen Nienhuys via GitGitGadget
2021-04-19 11:37             ` [PATCH v7 19/28] reftable: add merged table view Han-Wen Nienhuys via GitGitGadget
2021-04-19 11:37             ` [PATCH v7 20/28] reftable: implement refname validation Han-Wen Nienhuys via GitGitGadget
2021-04-19 11:37             ` [PATCH v7 21/28] reftable: implement stack, a mutable database of reftable files Han-Wen Nienhuys via GitGitGadget
2021-04-19 11:37             ` [PATCH v7 22/28] reftable: add dump utility Han-Wen Nienhuys via GitGitGadget
2021-04-19 11:37             ` [PATCH v7 23/28] Reftable support for git-core Han-Wen Nienhuys via GitGitGadget
2021-04-20 22:44               ` Junio C Hamano
2021-04-21 10:19                 ` Han-Wen Nienhuys
2021-04-21 23:22                   ` Junio C Hamano
2021-05-04 17:24               ` Andrzej Hunt
2021-05-18 13:18                 ` Han-Wen Nienhuys
2021-05-18 13:30                   ` Han-Wen Nienhuys
2021-04-19 11:37             ` [PATCH v7 24/28] git-prompt: prepare for reftable refs backend SZEDER Gábor via GitGitGadget
2021-04-19 11:37             ` [PATCH v7 25/28] Add "test-tool dump-reftable" command Han-Wen Nienhuys via GitGitGadget
2021-04-19 11:37             ` [PATCH v7 26/28] t1301: document what needs to be done for REFTABLE Han-Wen Nienhuys via GitGitGadget
2021-04-19 11:37             ` [PATCH v7 27/28] t1401,t2011: parameterize HEAD.lock " Han-Wen Nienhuys via GitGitGadget
2021-04-19 11:37             ` [PATCH v7 28/28] t1404: annotate test cases with REFFILES Han-Wen Nienhuys via GitGitGadget
2021-04-21  7:45             ` [PATCH v7 00/28] reftable library Ævar Arnfjörð Bjarmason
2021-04-21  9:52               ` Han-Wen Nienhuys
2021-04-21 11:21                 ` Ævar Arnfjörð Bjarmason
2021-04-26 17:59                   ` Han-Wen Nienhuys

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