Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@xxxxxxxxx>
---
Regarding die() vs error() in option_parse_*, nope, using error()
makes parse_options() print command usage, which is long and distracts
users from the real error message. I'm going to stick with die().
builtin/pack-objects.c | 315 +++++++++++++++++++++---------------------------
1 files changed, 139 insertions(+), 176 deletions(-)
diff --git a/builtin/pack-objects.c b/builtin/pack-objects.c
index 80e3114..e21e5af 100644
--- a/builtin/pack-objects.c
+++ b/builtin/pack-objects.c
@@ -18,16 +18,11 @@
#include "refs.h"
#include "thread-utils.h"
-static const char pack_usage[] =
- "git pack-objects [ -q | --progress | --all-progress ]\n"
- " [--all-progress-implied]\n"
- " [--max-pack-size=<n>] [--local] [--incremental]\n"
- " [--window=<n>] [--window-memory=<n>] [--depth=<n>]\n"
- " [--no-reuse-delta] [--no-reuse-object] [--delta-base-offset]\n"
- " [--threads=<n>] [--non-empty] [--revs [--unpacked | --all]]\n"
- " [--reflog] [--stdout | base-name] [--include-tag]\n"
- " [--keep-unreachable | --unpack-unreachable]\n"
- " [< ref-list | < object-list]";
+static const char *pack_usage[] = {
+ "git pack-objects --stdout [options...] [< ref-list | < object-list]",
+ "git pack-objects [options...] base-name [< ref-list | < object-list]",
+ NULL
+};
struct object_entry {
struct pack_idx_entry idx;
@@ -2305,191 +2300,159 @@ static void get_object_list(int ac, const char **av)
loosen_unused_packed_objects(&revs);
}
+static int option_parse_index_version(const struct option *opt,
+ const char *arg, int unset)
+{
+ char *c;
+ const char *val = arg;
+ pack_idx_opts.version = strtoul(val, &c, 10);
+ if (pack_idx_opts.version > 2)
+ die(_("unsupported index version %s"), val);
+ if (*c == ',' && c[1])
+ pack_idx_opts.off32_limit = strtoul(c+1, &c, 0);
+ if (*c || pack_idx_opts.off32_limit & 0x80000000)
+ die(_("bad index version '%s'"), val);
+ return 0;
+}
+
+static int option_parse_ulong(const struct option *opt,
+ const char *arg, int unset)
+{
+ if (unset)
+ die(_("option %s does not accept negative form"),
+ opt->long_name);
+
+ if (!git_parse_ulong(arg, opt->value))
+ die(_("unable to parse value '%s' for option %s"),
+ arg, opt->long_name);
+ return 0;
+}
+
+#define OPT_ULONG(s, l, v, h) \
+ { OPTION_CALLBACK, (s), (l), (v), "n", (h), \
+ PARSE_OPT_NONEG, option_parse_ulong }
+
int cmd_pack_objects(int argc, const char **argv, const char *prefix)
{
int use_internal_rev_list = 0;
int thin = 0;
int all_progress_implied = 0;
- uint32_t i;
- const char **rp_av;
- int rp_ac_alloc = 64;
- int rp_ac;
+ const char *rp_av[6];
+ int rp_ac = 0;
+ int rev_list_unpacked = 0, rev_list_all = 0, rev_list_reflog = 0;
+ struct option pack_objects_options[] = {
+ OPT_SET_INT('q', "quiet", &progress,
+ "do not show progress meter", 0),
+ OPT_SET_INT(0, "progress", &progress,
+ "show progress meter", 1),
+ OPT_SET_INT(0, "all-progress", &progress,
+ "show progress meter during object writing phase", 2),
+ OPT_BOOL(0, "all-progress-implied",
+ &all_progress_implied,
+ "similar to --all-progress when progress meter is shown"),
+ { OPTION_CALLBACK, 0, "index-version", NULL, "version[,offset]",
+ "write the pack index file in the specified idx format version",
+ 0, option_parse_index_version },
+ OPT_ULONG(0, "max-pack-size", &pack_size_limit,
+ "maximum size of each output pack file"),
+ OPT_BOOL(0, "local", &local,
+ "ignore borrowed objects from alternate object store"),
+ OPT_BOOL(0, "incremental", &incremental,
+ "ignore packed objects"),
+ OPT_INTEGER(0, "window", &window,
+ "limit pack window by objects"),
+ OPT_ULONG(0, "window-memory", &window_memory_limit,
+ "limit pack window by memory in addition to object limit"),
+ OPT_INTEGER(0, "depth", &depth,
+ "maximum length of delta chain allowed in the resulting pack"),
+ OPT_BOOL(0, "reuse-delta", &reuse_delta,
+ "reuse existing deltas"),
+ OPT_BOOL(0, "reuse-object", &reuse_object,
+ "reuse existing objects"),
+ OPT_BOOL(0, "delta-base-offset", &allow_ofs_delta,
+ "use OFS_DELTA objects"),
+ OPT_INTEGER(0, "threads", &delta_search_threads,
+ "use threads when searching for best delta matches"),
+ OPT_BOOL(0, "non-empty", &non_empty,
+ "do not create an empty pack output"),
+ OPT_BOOL(0, "revs", &use_internal_rev_list,
+ "read revision arguments from standard input"),
+ { OPTION_SET_INT, 0, "unpacked", &rev_list_unpacked, NULL,
+ "limit the objects to those that are not yet packed",
+ PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL, 1 },
+ { OPTION_SET_INT, 0, "all", &rev_list_all, NULL,
+ "include objects reachable from any reference",
+ PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL, 1 },
+ { OPTION_SET_INT, 0, "reflog", &rev_list_reflog, NULL,
+ "include objects referred by reflog entries",
+ PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL, 1 },
+ OPT_BOOL(0, "stdout", &pack_to_stdout,
+ "output pack to stdout"),
+ OPT_BOOL(0, "include-tag", &include_tag,
+ "include tag objects that refer to objects to be packed"),
+ OPT_BOOL(0, "keep-unreachable", &keep_unreachable,
+ "keep unreachable objects"),
+ OPT_BOOL(0, "unpack-unreachable", &unpack_unreachable,
+ "unpack unreachable objects"),
+ OPT_BOOL(0, "thin", &thin,
+ "create thin packs"),
+ OPT_BOOL(0, "honor-pack-keep", &ignore_packed_keep,
+ "ignore packs that have companion .keep file"),
+ OPT_INTEGER(0, "compression", &pack_compression_level,
+ "pack compression level"),
+ OPT_SET_INT(0, "keep-true-parents", &grafts_replace_parents,
+ "do not hide commits by grafts", 0),
+ OPT_END(),
+ };
read_replace_refs = 0;
- rp_av = xcalloc(rp_ac_alloc, sizeof(*rp_av));
-
- rp_av[0] = "pack-objects";
- rp_av[1] = "--objects"; /* --thin will make it --objects-edge */
- rp_ac = 2;
-
reset_pack_idx_option(&pack_idx_opts);
git_config(git_pack_config, NULL);
if (!pack_compression_seen && core_compression_seen)
pack_compression_level = core_compression_level;
progress = isatty(2);
- for (i = 1; i < argc; i++) {
- const char *arg = argv[i];
+ argc = parse_options(argc, argv, prefix, pack_objects_options,
+ pack_usage, 0);
- if (*arg != '-')
- break;
-
- if (!strcmp("--non-empty", arg)) {
- non_empty = 1;
- continue;
- }
- if (!strcmp("--local", arg)) {
- local = 1;
- continue;
- }
- if (!strcmp("--incremental", arg)) {
- incremental = 1;
- continue;
- }
- if (!strcmp("--honor-pack-keep", arg)) {
- ignore_packed_keep = 1;
- continue;
- }
- if (!prefixcmp(arg, "--compression=")) {
- char *end;
- int level = strtoul(arg+14, &end, 0);
- if (!arg[14] || *end)
- usage(pack_usage);
- if (level == -1)
- level = Z_DEFAULT_COMPRESSION;
- else if (level < 0 || level > Z_BEST_COMPRESSION)
- die("bad pack compression level %d", level);
- pack_compression_level = level;
- continue;
- }
- if (!prefixcmp(arg, "--max-pack-size=")) {
- pack_size_limit_cfg = 0;
- if (!git_parse_ulong(arg+16, &pack_size_limit))
- usage(pack_usage);
- continue;
- }
- if (!prefixcmp(arg, "--window=")) {
- char *end;
- window = strtoul(arg+9, &end, 0);
- if (!arg[9] || *end)
- usage(pack_usage);
- continue;
- }
- if (!prefixcmp(arg, "--window-memory=")) {
- if (!git_parse_ulong(arg+16, &window_memory_limit))
- usage(pack_usage);
- continue;
- }
- if (!prefixcmp(arg, "--threads=")) {
- char *end;
- delta_search_threads = strtoul(arg+10, &end, 0);
- if (!arg[10] || *end || delta_search_threads < 0)
- usage(pack_usage);
-#ifdef NO_PTHREADS
- if (delta_search_threads != 1)
- warning("no threads support, "
- "ignoring %s", arg);
-#endif
- continue;
- }
- if (!prefixcmp(arg, "--depth=")) {
- char *end;
- depth = strtoul(arg+8, &end, 0);
- if (!arg[8] || *end)
- usage(pack_usage);
- continue;
- }
- if (!strcmp("--progress", arg)) {
- progress = 1;
- continue;
- }
- if (!strcmp("--all-progress", arg)) {
- progress = 2;
- continue;
- }
- if (!strcmp("--all-progress-implied", arg)) {
- all_progress_implied = 1;
- continue;
- }
- if (!strcmp("-q", arg)) {
- progress = 0;
- continue;
- }
- if (!strcmp("--no-reuse-delta", arg)) {
- reuse_delta = 0;
- continue;
- }
- if (!strcmp("--no-reuse-object", arg)) {
- reuse_object = reuse_delta = 0;
- continue;
- }
- if (!strcmp("--delta-base-offset", arg)) {
- allow_ofs_delta = 1;
- continue;
- }
- if (!strcmp("--stdout", arg)) {
- pack_to_stdout = 1;
- continue;
- }
- if (!strcmp("--revs", arg)) {
- use_internal_rev_list = 1;
- continue;
- }
- if (!strcmp("--keep-unreachable", arg)) {
- keep_unreachable = 1;
- continue;
- }
- if (!strcmp("--unpack-unreachable", arg)) {
- unpack_unreachable = 1;
- continue;
- }
- if (!strcmp("--include-tag", arg)) {
- include_tag = 1;
- continue;
- }
- if (!strcmp("--unpacked", arg) ||
- !strcmp("--reflog", arg) ||
- !strcmp("--all", arg)) {
- use_internal_rev_list = 1;
- if (rp_ac >= rp_ac_alloc - 1) {
- rp_ac_alloc = alloc_nr(rp_ac_alloc);
- rp_av = xrealloc(rp_av,
- rp_ac_alloc * sizeof(*rp_av));
- }
- rp_av[rp_ac++] = arg;
- continue;
- }
- if (!strcmp("--thin", arg)) {
- use_internal_rev_list = 1;
- thin = 1;
- rp_av[1] = "--objects-edge";
- continue;
- }
- if (!prefixcmp(arg, "--index-version=")) {
- char *c;
- pack_idx_opts.version = strtoul(arg + 16, &c, 10);
- if (pack_idx_opts.version > 2)
- die("bad %s", arg);
- if (*c == ',' && c[1])
- pack_idx_opts.off32_limit = strtoul(c+1, &c, 0);
- if (*c || pack_idx_opts.off32_limit & 0x80000000)
- die("bad %s", arg);
- continue;
- }
- if (!strcmp(arg, "--keep-true-parents")) {
- grafts_replace_parents = 0;
- continue;
- }
- usage(pack_usage);
+ if (argc) {
+ base_name = argv[0];
+ argc--;
}
+ if (pack_to_stdout != !base_name || argc)
+ usage_with_options(pack_usage, pack_objects_options);
- if (!pack_to_stdout)
- base_name = argv[i++];
+ rp_av[rp_ac++] = "pack-objects";
+ if (thin) {
+ use_internal_rev_list = 1;
+ rp_av[rp_ac++] = "--objects-edge";
+ } else
+ rp_av[rp_ac++] = "--objects";
- if (pack_to_stdout != !base_name || argv[i])
- usage(pack_usage);
+ if (rev_list_all) {
+ use_internal_rev_list = 1;
+ rp_av[rp_ac++] = "--all";
+ }
+ if (rev_list_reflog) {
+ use_internal_rev_list = 1;
+ rp_av[rp_ac++] = "--reflog";
+ }
+ if (rev_list_unpacked) {
+ use_internal_rev_list = 1;
+ rp_av[rp_ac++] = "--unpacked";
+ }
+ if (!reuse_object)
+ reuse_delta = 0;
+ if (pack_compression_level == -1)
+ pack_compression_level = Z_DEFAULT_COMPRESSION;
+ else if (pack_compression_level < 0 || pack_compression_level > Z_BEST_COMPRESSION)
+ die("bad pack compression level %d", pack_compression_level);
+#ifdef NO_PTHREADS
+ if (delta_search_threads != 1)
+ warning("no threads support, ignoring %s", arg);
+#endif
if (!pack_to_stdout && !pack_size_limit)
pack_size_limit = pack_size_limit_cfg;
if (pack_to_stdout && pack_size_limit)
--
1.7.8.36.g69ee2
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