diff options
| -rw-r--r-- | Documentation/git-replace.txt | 19 | ||||
| -rw-r--r-- | builtin/cat-file.c | 2 | ||||
| -rw-r--r-- | builtin/replace.c | 67 | ||||
| -rw-r--r-- | cache.h | 12 | ||||
| -rw-r--r-- | replace_object.c | 3 | ||||
| -rw-r--r-- | sha1_file.c | 20 | ||||
| -rw-r--r-- | streaming.c | 2 | ||||
| -rwxr-xr-x | t/t6050-replace.sh | 42 |
8 files changed, 141 insertions, 26 deletions
diff --git a/Documentation/git-replace.txt b/Documentation/git-replace.txt index f373ab48d4..0a02f70657 100644 --- a/Documentation/git-replace.txt +++ b/Documentation/git-replace.txt @@ -10,7 +10,7 @@ SYNOPSIS [verse] 'git replace' [-f] <object> <replacement> 'git replace' -d <object>... -'git replace' -l [<pattern>] +'git replace' [--format=<format>] [-l [<pattern>]] DESCRIPTION ----------- @@ -70,6 +70,23 @@ OPTIONS Typing "git replace" without arguments, also lists all replace refs. +--format=<format>:: + When listing, use the specified <format>, which can be one of + 'short', 'medium' and 'long'. When omitted, the format + defaults to 'short'. + +FORMATS +------- + +The following format are available: + +* 'short': + <replaced sha1> +* 'medium': + <replaced sha1> -> <replacement sha1> +* 'long': + <replaced sha1> (<replaced type>) -> <replacement sha1> (<replacement type>) + CREATING REPLACEMENT OBJECTS ---------------------------- diff --git a/builtin/cat-file.c b/builtin/cat-file.c index f8288c830c..f12071adc4 100644 --- a/builtin/cat-file.c +++ b/builtin/cat-file.c @@ -241,7 +241,7 @@ static int batch_one_object(const char *obj_name, struct batch_options *opt, return 0; } - if (sha1_object_info_extended(data->sha1, &data->info) < 0) { + if (sha1_object_info_extended(data->sha1, &data->info, LOOKUP_REPLACE_OBJECT) < 0) { printf("%s missing\n", obj_name); fflush(stdout); return 0; diff --git a/builtin/replace.c b/builtin/replace.c index b1bd3ef994..2336325ce3 100644 --- a/builtin/replace.c +++ b/builtin/replace.c @@ -16,27 +16,69 @@ static const char * const git_replace_usage[] = { N_("git replace [-f] <object> <replacement>"), N_("git replace -d <object>..."), - N_("git replace -l [<pattern>]"), + N_("git replace [--format=<format>] [-l [<pattern>]]"), NULL }; +enum replace_format { + REPLACE_FORMAT_SHORT, + REPLACE_FORMAT_MEDIUM, + REPLACE_FORMAT_LONG +}; + +struct show_data { + const char *pattern; + enum replace_format format; +}; + static int show_reference(const char *refname, const unsigned char *sha1, int flag, void *cb_data) { - const char *pattern = cb_data; + struct show_data *data = cb_data; - if (!fnmatch(pattern, refname, 0)) - printf("%s\n", refname); + if (!fnmatch(data->pattern, refname, 0)) { + if (data->format == REPLACE_FORMAT_SHORT) + printf("%s\n", refname); + else if (data->format == REPLACE_FORMAT_MEDIUM) + printf("%s -> %s\n", refname, sha1_to_hex(sha1)); + else { /* data->format == REPLACE_FORMAT_LONG */ + unsigned char object[20]; + enum object_type obj_type, repl_type; + + if (get_sha1(refname, object)) + return error("Failed to resolve '%s' as a valid ref.", refname); + + obj_type = sha1_object_info(object, NULL); + repl_type = sha1_object_info(sha1, NULL); + + printf("%s (%s) -> %s (%s)\n", refname, typename(obj_type), + sha1_to_hex(sha1), typename(repl_type)); + } + } return 0; } -static int list_replace_refs(const char *pattern) +static int list_replace_refs(const char *pattern, const char *format) { + struct show_data data; + if (pattern == NULL) pattern = "*"; + data.pattern = pattern; - for_each_replace_ref(show_reference, (void *) pattern); + if (format == NULL || *format == '\0' || !strcmp(format, "short")) + data.format = REPLACE_FORMAT_SHORT; + else if (!strcmp(format, "medium")) + data.format = REPLACE_FORMAT_MEDIUM; + else if (!strcmp(format, "long")) + data.format = REPLACE_FORMAT_LONG; + else + die("invalid replace format '%s'\n" + "valid formats are 'short', 'medium' and 'long'\n", + format); + + for_each_replace_ref(show_reference, (void *) &data); return 0; } @@ -127,19 +169,27 @@ static int replace_object(const char *object_ref, const char *replace_ref, int cmd_replace(int argc, const char **argv, const char *prefix) { int list = 0, delete = 0, force = 0; + const char *format = NULL; struct option options[] = { OPT_BOOL('l', "list", &list, N_("list replace refs")), OPT_BOOL('d', "delete", &delete, N_("delete replace refs")), OPT_BOOL('f', "force", &force, N_("replace the ref if it exists")), + OPT_STRING(0, "format", &format, N_("format"), N_("use this format")), OPT_END() }; + read_replace_refs = 0; + argc = parse_options(argc, argv, prefix, options, git_replace_usage, 0); if (list && delete) usage_msg_opt("-l and -d cannot be used together", git_replace_usage, options); + if (format && delete) + usage_msg_opt("--format and -d cannot be used together", + git_replace_usage, options); + if (force && (list || delete)) usage_msg_opt("-f cannot be used with -d or -l", git_replace_usage, options); @@ -157,6 +207,9 @@ int cmd_replace(int argc, const char **argv, const char *prefix) if (argc != 2) usage_msg_opt("bad number of arguments", git_replace_usage, options); + if (format) + usage_msg_opt("--format cannot be used when not listing", + git_replace_usage, options); return replace_object(argv[0], argv[1], force); } @@ -168,5 +221,5 @@ int cmd_replace(int argc, const char **argv, const char *prefix) usage_msg_opt("-f needs some arguments", git_replace_usage, options); - return list_replace_refs(argv[0]); + return list_replace_refs(argv[0], format); } @@ -760,11 +760,11 @@ int daemon_avoid_alias(const char *path); int offset_1st_component(const char *path); /* object replacement */ -#define READ_SHA1_FILE_REPLACE 1 +#define LOOKUP_REPLACE_OBJECT 1 extern void *read_sha1_file_extended(const unsigned char *sha1, enum object_type *type, unsigned long *size, unsigned flag); static inline void *read_sha1_file(const unsigned char *sha1, enum object_type *type, unsigned long *size) { - return read_sha1_file_extended(sha1, type, size, READ_SHA1_FILE_REPLACE); + return read_sha1_file_extended(sha1, type, size, LOOKUP_REPLACE_OBJECT); } extern const unsigned char *do_lookup_replace_object(const unsigned char *sha1); static inline const unsigned char *lookup_replace_object(const unsigned char *sha1) @@ -773,6 +773,12 @@ static inline const unsigned char *lookup_replace_object(const unsigned char *sh return sha1; return do_lookup_replace_object(sha1); } +static inline const unsigned char *lookup_replace_object_extended(const unsigned char *sha1, unsigned flag) +{ + if (!(flag & LOOKUP_REPLACE_OBJECT)) + return sha1; + return lookup_replace_object(sha1); +} /* Read and unpack a sha1 file into memory, write memory to a sha1 file */ extern int sha1_object_info(const unsigned char *, unsigned long *); @@ -1098,7 +1104,7 @@ struct object_info { } packed; } u; }; -extern int sha1_object_info_extended(const unsigned char *, struct object_info *); +extern int sha1_object_info_extended(const unsigned char *, struct object_info *, unsigned flags); /* Dumb servers support */ extern int update_server_info(int); diff --git a/replace_object.c b/replace_object.c index d0b1548726..cdcaf8cbe2 100644 --- a/replace_object.c +++ b/replace_object.c @@ -97,9 +97,6 @@ const unsigned char *do_lookup_replace_object(const unsigned char *sha1) int pos, depth = MAXREPLACEDEPTH; const unsigned char *cur = sha1; - if (!read_replace_refs) - return sha1; - prepare_replace_object(); /* Try to recursively replace the object */ diff --git a/sha1_file.c b/sha1_file.c index daacc0cfb0..ee224e4128 100644 --- a/sha1_file.c +++ b/sha1_file.c @@ -2443,13 +2443,14 @@ static int sha1_loose_object_info(const unsigned char *sha1, return 0; } -int sha1_object_info_extended(const unsigned char *sha1, struct object_info *oi) +int sha1_object_info_extended(const unsigned char *sha1, struct object_info *oi, unsigned flags) { struct cached_object *co; struct pack_entry e; int rtype; + const unsigned char *real = lookup_replace_object_extended(sha1, flags); - co = find_cached_object(sha1); + co = find_cached_object(real); if (co) { if (oi->typep) *(oi->typep) = co->type; @@ -2461,23 +2462,23 @@ int sha1_object_info_extended(const unsigned char *sha1, struct object_info *oi) return 0; } - if (!find_pack_entry(sha1, &e)) { + if (!find_pack_entry(real, &e)) { /* Most likely it's a loose object. */ - if (!sha1_loose_object_info(sha1, oi)) { + if (!sha1_loose_object_info(real, oi)) { oi->whence = OI_LOOSE; return 0; } /* Not a loose object; someone else may have just packed it. */ reprepare_packed_git(); - if (!find_pack_entry(sha1, &e)) + if (!find_pack_entry(real, &e)) return -1; } rtype = packed_object_info(e.p, e.offset, oi); if (rtype < 0) { - mark_bad_packed_object(e.p, sha1); - return sha1_object_info_extended(sha1, oi); + mark_bad_packed_object(e.p, real); + return sha1_object_info_extended(real, oi, 0); } else if (in_delta_base_cache(e.p, e.offset)) { oi->whence = OI_DBCACHED; } else { @@ -2499,7 +2500,7 @@ int sha1_object_info(const unsigned char *sha1, unsigned long *sizep) oi.typep = &type; oi.sizep = sizep; - if (sha1_object_info_extended(sha1, &oi) < 0) + if (sha1_object_info_extended(sha1, &oi, LOOKUP_REPLACE_OBJECT) < 0) return -1; return type; } @@ -2591,8 +2592,7 @@ void *read_sha1_file_extended(const unsigned char *sha1, void *data; char *path; const struct packed_git *p; - const unsigned char *repl = (flag & READ_SHA1_FILE_REPLACE) - ? lookup_replace_object(sha1) : sha1; + const unsigned char *repl = lookup_replace_object_extended(sha1, flag); errno = 0; data = read_object(repl, type, size); diff --git a/streaming.c b/streaming.c index debe904523..9659f18be2 100644 --- a/streaming.c +++ b/streaming.c @@ -113,7 +113,7 @@ static enum input_source istream_source(const unsigned char *sha1, oi->typep = type; oi->sizep = &size; - status = sha1_object_info_extended(sha1, oi); + status = sha1_object_info_extended(sha1, oi, 0); if (status < 0) return stream_error; diff --git a/t/t6050-replace.sh b/t/t6050-replace.sh index 7d47984352..719a11673b 100755 --- a/t/t6050-replace.sh +++ b/t/t6050-replace.sh @@ -276,6 +276,48 @@ test_expect_success '-f option bypasses the type check' ' git replace -f HEAD^ $BLOB ' +test_expect_success 'git cat-file --batch works on replace objects' ' + git replace | grep $PARA3 && + echo $PARA3 | git cat-file --batch +' + +test_expect_success 'test --format bogus' ' + test_must_fail git replace --format bogus >/dev/null 2>&1 +' + +test_expect_success 'test --format short' ' + git replace --format=short >actual && + git replace >expected && + test_cmp expected actual +' + +test_expect_success 'test --format medium' ' + H1=$(git --no-replace-objects rev-parse HEAD~1) && + HT=$(git --no-replace-objects rev-parse HEAD^{tree}) && + MYTAG=$(git --no-replace-objects rev-parse mytag) && + { + echo "$H1 -> $BLOB" && + echo "$BLOB -> $REPLACED" && + echo "$HT -> $H1" && + echo "$PARA3 -> $S" && + echo "$MYTAG -> $HASH1" + } | sort >expected && + git replace -l --format medium | sort > actual && + test_cmp expected actual +' + +test_expect_success 'test --format long' ' + { + echo "$H1 (commit) -> $BLOB (blob)" && + echo "$BLOB (blob) -> $REPLACED (blob)" && + echo "$HT (tree) -> $H1 (commit)" && + echo "$PARA3 (commit) -> $S (commit)" && + echo "$MYTAG (tag) -> $HASH1 (commit)" + } | sort >expected && + git replace --format=long | sort > actual && + test_cmp expected actual +' + test_expect_success 'replace ref cleanup' ' test -n "$(git replace)" && git replace -d $(git replace) && |