ts ::= # time since the epoch in seconds, ascii base10 notation;
tz ::= # GIT style timezone;
- # note: comments, ls and cat requests may appear anywhere
- # in the input, except within a data command. Any form
- # of the data command always escapes the related input
- # from comment processing.
+ # note: comments, get-mark, ls-tree, and cat-blob requests may
+ # appear anywhere in the input, except within a data command. Any
+ # form of the data command always escapes the related input from
+ # comment processing.
#
# In case it is not clear, the '#' that starts the comment
# must be the first character on that line (an lf
# preceded it).
#
+ get_mark ::= 'get-mark' sp idnum lf;
cat_blob ::= 'cat-blob' sp (hexsha1 | idnum) lf;
ls_tree ::= 'ls' sp (hexsha1 | idnum) sp path_str lf;
#include "refs.h"
#include "csum-file.h"
#include "quote.h"
-#include "exec_cmd.h"
#include "dir.h"
+#include "run-command.h"
#define PACK_ID_BITS 16
#define MAX_PACK_ID ((1<<PACK_ID_BITS)-1)
/* Configured limits on output */
static unsigned long max_depth = 10;
static off_t max_packsize;
+static int unpack_limit = 100;
static int force_update;
-static int pack_compression_level = Z_DEFAULT_COMPRESSION;
-static int pack_compression_seen;
/* Stats and misc. counters */
static uintmax_t alloc_count;
static FILE *pack_edges;
static unsigned int show_stats = 1;
static int global_argc;
-static char **global_argv;
+static const char **global_argv;
/* Memory pools */
static size_t mem_pool_alloc = 2*1024*1024 - sizeof(struct mem_pool);
static const char *import_marks_file;
static int import_marks_file_from_stream;
static int import_marks_file_ignore_missing;
+static int import_marks_file_done;
static int relative_marks_paths;
/* Our last blob */
static int cat_blob_fd = STDOUT_FILENO;
static void parse_argv(void);
+static void parse_get_mark(const char *p);
static void parse_cat_blob(const char *p);
static void parse_ls(const char *p, struct branch *b);
static void write_crash_report(const char *err)
{
- const char *loc = git_path("fast_import_crash_%"PRIuMAX, (uintmax_t) getpid());
+ char *loc = git_pathdup("fast_import_crash_%"PRIuMAX, (uintmax_t) getpid());
FILE *rpt = fopen(loc, "w");
struct branch *b;
unsigned long lu;
struct recent_command *rc;
if (!rpt) {
- error("can't write crash report %s: %s", loc, strerror(errno));
+ error_errno("can't write crash report %s", loc);
+ free(loc);
return;
}
fprintf(rpt, "fast-import crash report:\n");
fprintf(rpt, " fast-import process: %"PRIuMAX"\n", (uintmax_t) getpid());
fprintf(rpt, " parent process : %"PRIuMAX"\n", (uintmax_t) getppid());
- fprintf(rpt, " at %s\n", show_date(time(NULL), 0, DATE_LOCAL));
+ fprintf(rpt, " at %s\n", show_date(time(NULL), 0, DATE_MODE(ISO8601)));
fputc('\n', rpt);
fputs("fatal: ", rpt);
fputs("-------------------\n", rpt);
fputs("END OF CRASH REPORT\n", rpt);
fclose(rpt);
+ free(loc);
}
static void end_packfile(void);
return e;
}
+static void invalidate_pack_id(unsigned int id)
+{
+ unsigned int h;
+ unsigned long lu;
+ struct tag *t;
+
+ for (h = 0; h < ARRAY_SIZE(object_table); h++) {
+ struct object_entry *e;
+
+ for (e = object_table[h]; e; e = e->next)
+ if (e->pack_id == id)
+ e->pack_id = MAX_PACK_ID;
+ }
+
+ for (lu = 0; lu < branch_table_sz; lu++) {
+ struct branch *b;
+
+ for (b = branch_table[lu]; b; b = b->table_next_branch)
+ if (b->pack_id == id)
+ b->pack_id = MAX_PACK_ID;
+ }
+
+ for (t = first_tag; t; t = t->next_tag)
+ if (t->pack_id == id)
+ t->pack_id = MAX_PACK_ID;
+}
+
static unsigned int hc_str(const char *s, size_t len)
{
unsigned int r = 0;
return xmalloc(len);
}
total_allocd += sizeof(struct mem_pool) + mem_pool_alloc;
- p = xmalloc(sizeof(struct mem_pool) + mem_pool_alloc);
+ p = xmalloc(st_add(sizeof(struct mem_pool), mem_pool_alloc));
p->next_pool = mem_pool;
p->next_free = (char *) p->space;
p->end = p->next_free + mem_pool_alloc;
static char *pool_strdup(const char *s)
{
- char *r = pool_alloc(strlen(s) + 1);
- strcpy(r, s);
+ size_t len = strlen(s) + 1;
+ char *r = pool_alloc(len);
+ memcpy(r, s, len);
return r;
}
c = pool_alloc(sizeof(struct atom_str) + len + 1);
c->str_len = len;
- strncpy(c->str_dat, s, len);
+ memcpy(c->str_dat, s, len);
c->str_dat[len] = 0;
c->next_atom = atom_table[hc];
atom_table[hc] = c;
if (!avail_tree_entry) {
unsigned int n = tree_entry_alloc;
total_allocd += n * sizeof(struct tree_entry);
- avail_tree_entry = e = xmalloc(n * sizeof(struct tree_entry));
+ ALLOC_ARRAY(e, n);
+ avail_tree_entry = e;
while (n-- > 1) {
*((void**)e) = e + 1;
e++;
static void start_packfile(void)
{
- static char tmp_file[PATH_MAX];
+ struct strbuf tmp_file = STRBUF_INIT;
struct packed_git *p;
struct pack_header hdr;
int pack_fd;
- pack_fd = odb_mkstemp(tmp_file, sizeof(tmp_file),
- "pack/tmp_pack_XXXXXX");
- p = xcalloc(1, sizeof(*p) + strlen(tmp_file) + 2);
- strcpy(p->pack_name, tmp_file);
+ pack_fd = odb_mkstemp(&tmp_file, "pack/tmp_pack_XXXXXX");
+ FLEX_ALLOC_STR(p, pack_name, tmp_file.buf);
+ strbuf_release(&tmp_file);
+
p->pack_fd = pack_fd;
p->do_not_close = 1;
pack_file = sha1fd(pack_fd, p->pack_name);
struct object_entry_pool *o;
/* Build the table of object IDs. */
- idx = xmalloc(object_count * sizeof(*idx));
+ ALLOC_ARRAY(idx, object_count);
c = idx;
for (o = blocks; o; o = o->next_pool)
for (e = o->next_free; e-- != o->entries;)
static char *keep_pack(const char *curr_index_name)
{
- static char name[PATH_MAX];
static const char *keep_msg = "fast-import";
+ struct strbuf name = STRBUF_INIT;
int keep_fd;
- keep_fd = odb_pack_keep(name, sizeof(name), pack_data->sha1);
+ odb_pack_name(&name, pack_data->sha1, "keep");
+ keep_fd = odb_pack_keep(name.buf);
if (keep_fd < 0)
die_errno("cannot create keep file");
write_or_die(keep_fd, keep_msg, strlen(keep_msg));
if (close(keep_fd))
die_errno("failed to write keep file");
- snprintf(name, sizeof(name), "%s/pack/pack-%s.pack",
- get_object_directory(), sha1_to_hex(pack_data->sha1));
- if (move_temp_to_file(pack_data->pack_name, name))
+ odb_pack_name(&name, pack_data->sha1, "pack");
+ if (finalize_object_file(pack_data->pack_name, name.buf))
die("cannot store pack file");
- snprintf(name, sizeof(name), "%s/pack/pack-%s.idx",
- get_object_directory(), sha1_to_hex(pack_data->sha1));
- if (move_temp_to_file(curr_index_name, name))
+ odb_pack_name(&name, pack_data->sha1, "idx");
+ if (finalize_object_file(curr_index_name, name.buf))
die("cannot store index file");
free((void *)curr_index_name);
- return name;
+ return strbuf_detach(&name, NULL);
}
static void unkeep_all_packs(void)
{
- static char name[PATH_MAX];
+ struct strbuf name = STRBUF_INIT;
int k;
for (k = 0; k < pack_id; k++) {
struct packed_git *p = all_packs[k];
- snprintf(name, sizeof(name), "%s/pack/pack-%s.keep",
- get_object_directory(), sha1_to_hex(p->sha1));
- unlink_or_warn(name);
+ odb_pack_name(&name, p->sha1, "keep");
+ unlink_or_warn(name.buf);
}
+ strbuf_release(&name);
+}
+
+static int loosen_small_pack(const struct packed_git *p)
+{
+ struct child_process unpack = CHILD_PROCESS_INIT;
+
+ if (lseek(p->pack_fd, 0, SEEK_SET) < 0)
+ die_errno("Failed seeking to start of '%s'", p->pack_name);
+
+ unpack.in = p->pack_fd;
+ unpack.git_cmd = 1;
+ unpack.stdout_to_stderr = 1;
+ argv_array_push(&unpack.args, "unpack-objects");
+ if (!show_stats)
+ argv_array_push(&unpack.args, "-q");
+
+ return run_command(&unpack);
}
static void end_packfile(void)
fixup_pack_header_footer(pack_data->pack_fd, pack_data->sha1,
pack_data->pack_name, object_count,
cur_pack_sha1, pack_size);
+
+ if (object_count <= unpack_limit) {
+ if (!loosen_small_pack(pack_data)) {
+ invalidate_pack_id(pack_id);
+ goto discard_pack;
+ }
+ }
+
close(pack_data->pack_fd);
idx_name = keep_pack(create_index());
die("core git rejected index %s", idx_name);
all_packs[pack_id] = new_p;
install_packed_git(new_p);
+ free(idx_name);
/* Print the boundary */
if (pack_edges) {
pack_id++;
}
else {
+discard_pack:
close(pack_data->pack_fd);
unlink_or_warn(pack_data->pack_name);
}
git_SHA_CTX c;
git_zstream s;
- hdrlen = sprintf((char *)hdr,"%s %lu", typename(type),
- (unsigned long)dat->len) + 1;
+ hdrlen = xsnprintf((char *)hdr, sizeof(hdr), "%s %lu",
+ typename(type), (unsigned long)dat->len) + 1;
git_SHA1_Init(&c);
git_SHA1_Update(&c, hdr, hdrlen);
git_SHA1_Update(&c, dat->buf, dat->len);
delta_count_by_type[type]++;
e->depth = last->depth + 1;
- hdrlen = encode_in_pack_object_header(OBJ_OFS_DELTA, deltalen, hdr);
+ hdrlen = encode_in_pack_object_header(hdr, sizeof(hdr),
+ OBJ_OFS_DELTA, deltalen);
sha1write(pack_file, hdr, hdrlen);
pack_size += hdrlen;
pack_size += sizeof(hdr) - pos;
} else {
e->depth = 0;
- hdrlen = encode_in_pack_object_header(type, dat->len, hdr);
+ hdrlen = encode_in_pack_object_header(hdr, sizeof(hdr),
+ type, dat->len);
sha1write(pack_file, hdr, hdrlen);
pack_size += hdrlen;
}
sha1file_checkpoint(pack_file, &checkpoint);
offset = checkpoint.offset;
- hdrlen = snprintf((char *)out_buf, out_sz, "blob %" PRIuMAX, len) + 1;
- if (out_sz <= hdrlen)
- die("impossibly large object header");
+ hdrlen = xsnprintf((char *)out_buf, out_sz, "blob %" PRIuMAX, len) + 1;
git_SHA1_Init(&c);
git_SHA1_Update(&c, out_buf, hdrlen);
git_deflate_init(&s, pack_compression_level);
- hdrlen = encode_in_pack_object_header(OBJ_BLOB, len, out_buf);
- if (out_sz <= hdrlen)
- die("impossibly large object header");
+ hdrlen = encode_in_pack_object_header(out_buf, out_sz, OBJ_BLOB, len);
s.next_out = out_buf + hdrlen;
s.avail_out = out_sz - hdrlen;
unsigned int i;
if (!v)
- qsort(t->entries,t->entry_count,sizeof(t->entries[0]),tecmp0);
+ QSORT(t->entries, t->entry_count, tecmp0);
else
- qsort(t->entries,t->entry_count,sizeof(t->entries[0]),tecmp1);
+ QSORT(t->entries, t->entry_count, tecmp1);
for (i = 0; i < t->entry_count; i++) {
if (t->entries[i]->versions[v].mode)
t = root->tree;
for (i = 0; i < t->entry_count; i++) {
e = t->entries[i];
- if (e->name->str_len == n && !strncmp_icase(p, e->name->str_dat, n)) {
+ if (e->name->str_len == n && !fspathncmp(p, e->name->str_dat, n)) {
if (!*slash1) {
if (!S_ISDIR(mode)
&& e->versions[1].mode == mode
t = root->tree;
for (i = 0; i < t->entry_count; i++) {
e = t->entries[i];
- if (e->name->str_len == n && !strncmp_icase(p, e->name->str_dat, n)) {
+ if (e->name->str_len == n && !fspathncmp(p, e->name->str_dat, n)) {
if (*slash1 && !S_ISDIR(e->versions[1].mode))
/*
* If p names a file in some subdirectory, and a
t = root->tree;
for (i = 0; i < t->entry_count; i++) {
e = t->entries[i];
- if (e->name->str_len == n && !strncmp_icase(p, e->name->str_dat, n)) {
+ if (e->name->str_len == n && !fspathncmp(p, e->name->str_dat, n)) {
if (!*slash1)
goto found_entry;
if (!S_ISDIR(e->versions[1].mode))
unsigned char old_sha1[20];
struct strbuf err = STRBUF_INIT;
- if (read_ref(b->name, old_sha1))
- hashclr(old_sha1);
if (is_null_sha1(b->sha1)) {
if (b->delete)
- delete_ref(b->name, old_sha1, 0);
+ delete_ref(NULL, b->name, NULL, 0);
return 0;
}
+ if (read_ref(b->name, old_sha1))
+ hashclr(old_sha1);
if (!force_update && !is_null_sha1(old_sha1)) {
struct commit *old_cmit, *new_cmit;
static struct lock_file mark_lock;
FILE *f;
- if (!export_marks_file)
+ if (!export_marks_file || (import_marks_file && !import_marks_file_done))
return;
if (hold_lock_file_for_update(&mark_lock, export_marks_file, 0) < 0) {
- failure |= error("Unable to write marks file %s: %s",
- export_marks_file, strerror(errno));
+ failure |= error_errno("Unable to write marks file %s",
+ export_marks_file);
return;
}
dump_marks_helper(f, 0, marks);
if (commit_lock_file(&mark_lock)) {
- failure |= error("Unable to commit marks file %s: %s",
- export_marks_file, strerror(errno));
+ failure |= error_errno("Unable to write file %s",
+ export_marks_file);
return;
}
}
if (f)
;
else if (import_marks_file_ignore_missing && errno == ENOENT)
- return; /* Marks file does not exist */
+ goto done; /* Marks file does not exist */
else
die_errno("cannot read '%s'", import_marks_file);
while (fgets(line, sizeof(line), f)) {
insert_mark(mark, e);
}
fclose(f);
+done:
+ import_marks_file_done = 1;
}
struct recent_command *rc;
strbuf_detach(&command_buf, NULL);
- stdin_eof = strbuf_getline(&command_buf, stdin, '\n');
+ stdin_eof = strbuf_getline_lf(&command_buf, stdin);
if (stdin_eof)
return EOF;
rc->prev->next = rc;
cmd_tail = rc;
}
+ if (skip_prefix(command_buf.buf, "get-mark ", &p)) {
+ parse_get_mark(p);
+ continue;
+ }
if (skip_prefix(command_buf.buf, "cat-blob ", &p)) {
parse_cat_blob(p);
continue;
strbuf_detach(&command_buf, NULL);
for (;;) {
- if (strbuf_getline(&command_buf, stdin, '\n') == EOF)
+ if (strbuf_getline_lf(&command_buf, stdin) == EOF)
die("EOF in data (terminator '%s' not found)", term);
if (term_len == command_buf.len
&& !strcmp(term, command_buf.buf))
char *fullpath, unsigned int fullpath_len,
unsigned char fanout)
{
- struct tree_content *t = root->tree;
+ struct tree_content *t;
struct tree_entry *e, leaf;
unsigned int i, tmp_hex_sha1_len, tmp_fullpath_len;
uintmax_t num_notes = 0;
unsigned char sha1[20];
char realpath[60];
+ if (!root->tree)
+ load_tree(root);
+ t = root->tree;
+
for (i = 0; t && i < t->entry_count; i++) {
e = t->entries[i];
tmp_hex_sha1_len = hex_sha1_len + e->name->str_len;
leaf.tree);
} else if (S_ISDIR(e->versions[1].mode)) {
/* This is a subdir that may contain note entries */
- if (!e->tree)
- load_tree(e);
num_notes += do_change_note_fanout(orig_root, e,
hex_sha1, tmp_hex_sha1_len,
fullpath, tmp_fullpath_len, fanout);
{
const char *from;
struct branch *s;
+ unsigned char sha1[20];
if (!skip_prefix(command_buf.buf, "from ", &from))
return 0;
- if (b->branch_tree.tree) {
- release_tree_content_recursive(b->branch_tree.tree);
- b->branch_tree.tree = NULL;
- }
+ hashcpy(sha1, b->branch_tree.versions[1].sha1);
s = lookup_branch(from);
if (b == s)
struct object_entry *oe = find_mark(idnum);
if (oe->type != OBJ_COMMIT)
die("Mark :%" PRIuMAX " not a commit", idnum);
- hashcpy(b->sha1, oe->idx.sha1);
- if (oe->pack_id != MAX_PACK_ID) {
- unsigned long size;
- char *buf = gfi_unpack_entry(oe, &size);
- parse_from_commit(b, buf, size);
- free(buf);
- } else
- parse_from_existing(b);
+ if (hashcmp(b->sha1, oe->idx.sha1)) {
+ hashcpy(b->sha1, oe->idx.sha1);
+ if (oe->pack_id != MAX_PACK_ID) {
+ unsigned long size;
+ char *buf = gfi_unpack_entry(oe, &size);
+ parse_from_commit(b, buf, size);
+ free(buf);
+ } else
+ parse_from_existing(b);
+ }
} else if (!get_sha1(from, b->sha1)) {
parse_from_existing(b);
if (is_null_sha1(b->sha1))
else
die("Invalid ref name or SHA1 expression: %s", from);
+ if (b->branch_tree.tree && hashcmp(sha1, b->branch_tree.versions[1].sha1)) {
+ release_tree_content_recursive(b->branch_tree.tree);
+ b->branch_tree.tree = NULL;
+ }
+
read_next_command();
return 1;
}
free(buf);
}
+static void parse_get_mark(const char *p)
+{
+ struct object_entry *oe = oe;
+ char output[42];
+
+ /* get-mark SP <object> LF */
+ if (*p != ':')
+ die("Not a mark: %s", p);
+
+ oe = find_mark(parse_mark_ref_eol(p));
+ if (!oe)
+ die("Unknown mark: %s", command_buf.buf);
+
+ xsnprintf(output, sizeof(output), "%s\n", sha1_to_hex(oe->idx.sha1));
+ cat_blob_write(output, 41);
+}
+
static void parse_cat_blob(const char *p)
{
struct object_entry *oe = oe;
{
if (!relative_marks_paths || is_absolute_path(path))
return xstrdup(path);
- return xstrdup(git_path("info/fast-import/%s", path));
+ return git_pathdup("info/fast-import/%s", path);
}
static void option_import_marks(const char *marks,
option_import_marks(arg, from_stream, 1);
} else if (skip_prefix(feature, "export-marks=", &arg)) {
option_export_marks(arg);
+ } else if (!strcmp(feature, "get-mark")) {
+ ; /* Don't die - this feature is supported */
} else if (!strcmp(feature, "cat-blob")) {
; /* Don't die - this feature is supported */
} else if (!strcmp(feature, "relative-marks")) {
static void git_pack_config(void)
{
int indexversion_value;
+ int limit;
unsigned long packsizelimit_value;
if (!git_config_get_ulong("pack.depth", &max_depth)) {
if (max_depth > MAX_DEPTH)
max_depth = MAX_DEPTH;
}
- if (!git_config_get_int("pack.compression", &pack_compression_level)) {
- if (pack_compression_level == -1)
- pack_compression_level = Z_DEFAULT_COMPRESSION;
- else if (pack_compression_level < 0 ||
- pack_compression_level > Z_BEST_COMPRESSION)
- git_die_config("pack.compression",
- "bad pack compression level %d", pack_compression_level);
- pack_compression_seen = 1;
- }
if (!git_config_get_int("pack.indexversion", &indexversion_value)) {
pack_idx_opts.version = indexversion_value;
if (pack_idx_opts.version > 2)
if (!git_config_get_ulong("pack.packsizelimit", &packsizelimit_value))
max_packsize = packsizelimit_value;
+ if (!git_config_get_int("fastimport.unpacklimit", &limit))
+ unpack_limit = limit;
+ else if (!git_config_get_int("transfer.unpacklimit", &limit))
+ unpack_limit = limit;
+
git_config(git_default_config, NULL);
}
read_marks();
}
-int main(int argc, char **argv)
+int cmd_main(int argc, const char **argv)
{
unsigned int i;
- git_extract_argv0_path(argv[0]);
-
- git_setup_gettext();
-
if (argc == 2 && !strcmp(argv[1], "-h"))
usage(fast_import_usage);
setup_git_directory();
reset_pack_idx_option(&pack_idx_opts);
git_pack_config();
- if (!pack_compression_seen && core_compression_seen)
- pack_compression_level = core_compression_level;
alloc_objects(object_entry_alloc);
strbuf_init(&command_buf, 0);
projects / platform / upstream / git.git / blobdiff