lf;
commit_msg ::= data;
- file_change ::= file_del | file_obm | file_inm;
+ file_change ::= file_clr | file_del | file_obm | file_inm;
+ file_clr ::= 'deleteall' lf;
file_del ::= 'D' sp path_str lf;
file_obm ::= 'M' sp mode sp (hexsha1 | idnum) sp path_str lf;
file_inm ::= 'M' sp mode sp 'inline' sp path_str lf
path_str ::= path | '"' quoted(path) '"' ;
mode ::= '100644' | '644'
| '100755' | '755'
- | '140000'
+ | '120000'
;
declen ::= # unsigned 32 bit value, ascii base10 notation;
#include "object.h"
#include "blob.h"
#include "tree.h"
+#include "commit.h"
#include "delta.h"
#include "pack.h"
#include "refs.h"
#define PACK_ID_BITS 16
#define MAX_PACK_ID ((1<<PACK_ID_BITS)-1)
+#ifndef PRIuMAX
+#define PRIuMAX "llu"
+#endif
+
struct object_entry
{
struct object_entry *next;
/* Configured limits on output */
static unsigned long max_depth = 10;
static unsigned long max_packsize = (1LL << 32) - 1;
+static int force_update;
/* Stats and misc. counters */
static uintmax_t alloc_count;
static unsigned long object_count;
static unsigned long branch_count;
static unsigned long branch_load_count;
+static int failure;
+static FILE *pack_edges;
/* Memory pools */
static size_t mem_pool_alloc = 2*1024*1024 - sizeof(struct mem_pool);
oe = s->data.marked[idnum];
}
if (!oe)
- die("mark :%ju not declared", orig_idnum);
+ die("mark :%" PRIuMAX " not declared", orig_idnum);
return oe;
}
install_packed_git(new_p);
/* Print the boundary */
- fprintf(stdout, "%s:", new_p->pack_name);
- for (i = 0; i < branch_table_sz; i++) {
- for (b = branch_table[i]; b; b = b->table_next_branch) {
- if (b->pack_id == pack_id)
- fprintf(stdout, " %s", sha1_to_hex(b->sha1));
+ if (pack_edges) {
+ fprintf(pack_edges, "%s:", new_p->pack_name);
+ for (i = 0; i < branch_table_sz; i++) {
+ for (b = branch_table[i]; b; b = b->table_next_branch) {
+ if (b->pack_id == pack_id)
+ fprintf(pack_edges, " %s", sha1_to_hex(b->sha1));
+ }
}
+ for (t = first_tag; t; t = t->next_tag) {
+ if (t->pack_id == pack_id)
+ fprintf(pack_edges, " %s", sha1_to_hex(t->sha1));
+ }
+ fputc('\n', pack_edges);
+ fflush(pack_edges);
}
- for (t = first_tag; t; t = t->next_tag) {
- if (t->pack_id == pack_id)
- fprintf(stdout, " %s", sha1_to_hex(t->sha1));
- }
- fputc('\n', stdout);
pack_id++;
}
last_blob.depth = 0;
}
-static void checkpoint(void)
+static void cycle_packfile(void)
{
end_packfile();
start_packfile();
SHA_CTX c;
z_stream s;
- hdrlen = sprintf((char*)hdr,"%s %lu",type_names[type],datlen) + 1;
+ hdrlen = sprintf((char*)hdr,"%s %lu", type_names[type],
+ (unsigned long)datlen) + 1;
SHA1_Init(&c);
SHA1_Update(&c, hdr, hdrlen);
SHA1_Update(&c, dat, datlen);
/* This new object needs to *not* have the current pack_id. */
e->pack_id = pack_id + 1;
- checkpoint();
+ cycle_packfile();
/* We cannot carry a delta into the new pack. */
if (delta) {
return 1;
}
-static void dump_branches(void)
+static int update_branch(struct branch *b)
{
static const char *msg = "fast-import";
+ struct ref_lock *lock;
+ unsigned char old_sha1[20];
+
+ if (read_ref(b->name, old_sha1))
+ hashclr(old_sha1);
+ lock = lock_any_ref_for_update(b->name, old_sha1);
+ if (!lock)
+ return error("Unable to lock %s", b->name);
+ if (!force_update && !is_null_sha1(old_sha1)) {
+ struct commit *old_cmit, *new_cmit;
+
+ old_cmit = lookup_commit_reference_gently(old_sha1, 0);
+ new_cmit = lookup_commit_reference_gently(b->sha1, 0);
+ if (!old_cmit || !new_cmit) {
+ unlock_ref(lock);
+ return error("Branch %s is missing commits.", b->name);
+ }
+
+ if (!in_merge_bases(old_cmit, &new_cmit, 1)) {
+ unlock_ref(lock);
+ warn("Not updating %s"
+ " (new tip %s does not contain %s)",
+ b->name, sha1_to_hex(b->sha1), sha1_to_hex(old_sha1));
+ return -1;
+ }
+ }
+ if (write_ref_sha1(lock, b->sha1, msg) < 0)
+ return error("Unable to update %s", b->name);
+ return 0;
+}
+
+static void dump_branches(void)
+{
unsigned int i;
struct branch *b;
- struct ref_lock *lock;
for (i = 0; i < branch_table_sz; i++) {
- for (b = branch_table[i]; b; b = b->table_next_branch) {
- lock = lock_any_ref_for_update(b->name, NULL);
- if (!lock || write_ref_sha1(lock, b->sha1, msg) < 0)
- die("Can't write %s", b->name);
- }
+ for (b = branch_table[i]; b; b = b->table_next_branch)
+ failure |= update_branch(b);
}
}
static const char *msg = "fast-import";
struct tag *t;
struct ref_lock *lock;
- char path[PATH_MAX];
+ char ref_name[PATH_MAX];
for (t = first_tag; t; t = t->next_tag) {
- sprintf(path, "refs/tags/%s", t->name);
- lock = lock_any_ref_for_update(path, NULL);
+ sprintf(ref_name, "tags/%s", t->name);
+ lock = lock_ref_sha1(ref_name, NULL);
if (!lock || write_ref_sha1(lock, t->sha1, msg) < 0)
- die("Can't write %s", path);
+ failure |= error("Unable to update %s", ref_name);
}
}
} else {
for (k = 0; k < 1024; k++) {
if (m->data.marked[k])
- fprintf(f, ":%ju %s\n", base + k,
+ fprintf(f, ":%" PRIuMAX " %s\n", base + k,
sha1_to_hex(m->data.marked[k]->sha1));
}
}
if (mark_file)
{
FILE *f = fopen(mark_file, "w");
- dump_marks_helper(f, 0, marks);
- fclose(f);
+ if (f) {
+ dump_marks_helper(f, 0, marks);
+ fclose(f);
+ } else
+ failure |= error("Unable to write marks file %s: %s",
+ mark_file, strerror(errno));
}
}
static void cmd_mark(void)
{
- if (!strncmp("mark :", command_buf.buf, 6)) {
+ if (!prefixcmp(command_buf.buf, "mark :")) {
next_mark = strtoumax(command_buf.buf + 6, NULL, 10);
read_next_command();
}
size_t length;
char *buffer;
- if (strncmp("data ", command_buf.buf, 5))
+ if (prefixcmp(command_buf.buf, "data "))
die("Expected 'data n' command, found: %s", command_buf.buf);
- if (!strncmp("<<", command_buf.buf + 5, 2)) {
+ if (!prefixcmp(command_buf.buf + 5, "<<")) {
char *term = xstrdup(command_buf.buf + 5 + 2);
size_t sz = 8192, term_len = command_buf.len - 5 - 2;
length = 0;
while (n < length) {
size_t s = fread(buffer + n, 1, length - n, stdin);
if (!s && feof(stdin))
- die("EOF in data (%lu bytes remaining)", length - n);
+ die("EOF in data (%lu bytes remaining)",
+ (unsigned long)(length - n));
n += s;
}
}
oe = find_mark(strtoumax(p + 1, &x, 10));
hashcpy(sha1, oe->sha1);
p = x;
- } else if (!strncmp("inline", p, 6)) {
+ } else if (!prefixcmp(p, "inline")) {
inline_data = 1;
p += 6;
} else {
free(p_uq);
}
+static void file_change_deleteall(struct branch *b)
+{
+ release_tree_content_recursive(b->branch_tree.tree);
+ hashclr(b->branch_tree.versions[0].sha1);
+ hashclr(b->branch_tree.versions[1].sha1);
+ load_tree(&b->branch_tree);
+}
+
static void cmd_from(struct branch *b)
{
const char *from;
struct branch *s;
- if (strncmp("from ", command_buf.buf, 5))
+ if (prefixcmp(command_buf.buf, "from "))
return;
- if (b->last_commit)
- die("Can't reinitailize branch %s", b->name);
+ if (b->branch_tree.tree) {
+ release_tree_content_recursive(b->branch_tree.tree);
+ b->branch_tree.tree = NULL;
+ }
from = strchr(command_buf.buf, ' ') + 1;
s = lookup_branch(from);
unsigned long size;
char *buf;
if (oe->type != OBJ_COMMIT)
- die("Mark :%ju not a commit", idnum);
+ die("Mark :%" PRIuMAX " not a commit", idnum);
hashcpy(b->sha1, oe->sha1);
buf = gfi_unpack_entry(oe, &size);
if (!buf || size < 46)
struct branch *s;
*count = 0;
- while (!strncmp("merge ", command_buf.buf, 6)) {
+ while (!prefixcmp(command_buf.buf, "merge ")) {
from = strchr(command_buf.buf, ' ') + 1;
n = xmalloc(sizeof(*n));
s = lookup_branch(from);
uintmax_t idnum = strtoumax(from + 1, NULL, 10);
struct object_entry *oe = find_mark(idnum);
if (oe->type != OBJ_COMMIT)
- die("Mark :%ju not a commit", idnum);
+ die("Mark :%" PRIuMAX " not a commit", idnum);
hashcpy(n->sha1, oe->sha1);
} else if (get_sha1(from, n->sha1))
die("Invalid ref name or SHA1 expression: %s", from);
read_next_command();
cmd_mark();
- if (!strncmp("author ", command_buf.buf, 7)) {
+ if (!prefixcmp(command_buf.buf, "author ")) {
author = parse_ident(command_buf.buf + 7);
read_next_command();
}
- if (!strncmp("committer ", command_buf.buf, 10)) {
+ if (!prefixcmp(command_buf.buf, "committer ")) {
committer = parse_ident(command_buf.buf + 10);
read_next_command();
}
for (;;) {
if (1 == command_buf.len)
break;
- else if (!strncmp("M ", command_buf.buf, 2))
+ else if (!prefixcmp(command_buf.buf, "M "))
file_change_m(b);
- else if (!strncmp("D ", command_buf.buf, 2))
+ else if (!prefixcmp(command_buf.buf, "D "))
file_change_d(b);
+ else if (!strcmp("deleteall", command_buf.buf))
+ file_change_deleteall(b);
else
die("Unsupported file_change: %s", command_buf.buf);
read_next_command();
read_next_command();
/* from ... */
- if (strncmp("from ", command_buf.buf, 5))
+ if (prefixcmp(command_buf.buf, "from "))
die("Expected from command, got %s", command_buf.buf);
from = strchr(command_buf.buf, ' ') + 1;
s = lookup_branch(from);
from_mark = strtoumax(from + 1, NULL, 10);
oe = find_mark(from_mark);
if (oe->type != OBJ_COMMIT)
- die("Mark :%ju not a commit", from_mark);
+ die("Mark :%" PRIuMAX " not a commit", from_mark);
hashcpy(sha1, oe->sha1);
} else if (!get_sha1(from, sha1)) {
unsigned long size;
read_next_command();
/* tagger ... */
- if (strncmp("tagger ", command_buf.buf, 7))
+ if (prefixcmp(command_buf.buf, "tagger "))
die("Expected tagger command, got %s", command_buf.buf);
tagger = parse_ident(command_buf.buf + 7);
sp = strchr(command_buf.buf, ' ') + 1;
b = lookup_branch(sp);
if (b) {
- b->last_commit = 0;
+ hashclr(b->sha1);
+ hashclr(b->branch_tree.versions[0].sha1);
+ hashclr(b->branch_tree.versions[1].sha1);
if (b->branch_tree.tree) {
release_tree_content_recursive(b->branch_tree.tree);
b->branch_tree.tree = NULL;
static void cmd_checkpoint(void)
{
- if (object_count)
- checkpoint();
+ if (object_count) {
+ cycle_packfile();
+ dump_branches();
+ dump_tags();
+ dump_marks();
+ }
read_next_command();
}
int main(int argc, const char **argv)
{
- int i;
- uintmax_t total_count, duplicate_count;
+ int i, show_stats = 1;
git_config(git_default_config);
if (*a != '-' || !strcmp(a, "--"))
break;
- else if (!strncmp(a, "--date-format=", 14)) {
+ else if (!prefixcmp(a, "--date-format=")) {
const char *fmt = a + 14;
if (!strcmp(fmt, "raw"))
whenspec = WHENSPEC_RAW;
else
die("unknown --date-format argument %s", fmt);
}
- else if (!strncmp(a, "--max-pack-size=", 16))
+ else if (!prefixcmp(a, "--max-pack-size="))
max_packsize = strtoumax(a + 16, NULL, 0) * 1024 * 1024;
- else if (!strncmp(a, "--depth=", 8))
+ else if (!prefixcmp(a, "--depth="))
max_depth = strtoul(a + 8, NULL, 0);
- else if (!strncmp(a, "--active-branches=", 18))
+ else if (!prefixcmp(a, "--active-branches="))
max_active_branches = strtoul(a + 18, NULL, 0);
- else if (!strncmp(a, "--export-marks=", 15))
+ else if (!prefixcmp(a, "--export-marks="))
mark_file = a + 15;
+ else if (!prefixcmp(a, "--export-pack-edges=")) {
+ if (pack_edges)
+ fclose(pack_edges);
+ pack_edges = fopen(a + 20, "a");
+ if (!pack_edges)
+ die("Cannot open %s: %s", a + 20, strerror(errno));
+ } else if (!strcmp(a, "--force"))
+ force_update = 1;
+ else if (!strcmp(a, "--quiet"))
+ show_stats = 0;
+ else if (!strcmp(a, "--stats"))
+ show_stats = 1;
else
die("unknown option %s", a);
}
break;
else if (!strcmp("blob", command_buf.buf))
cmd_new_blob();
- else if (!strncmp("commit ", command_buf.buf, 7))
+ else if (!prefixcmp(command_buf.buf, "commit "))
cmd_new_commit();
- else if (!strncmp("tag ", command_buf.buf, 4))
+ else if (!prefixcmp(command_buf.buf, "tag "))
cmd_new_tag();
- else if (!strncmp("reset ", command_buf.buf, 6))
+ else if (!prefixcmp(command_buf.buf, "reset "))
cmd_reset_branch();
else if (!strcmp("checkpoint", command_buf.buf))
cmd_checkpoint();
unkeep_all_packs();
dump_marks();
- total_count = 0;
- for (i = 0; i < ARRAY_SIZE(object_count_by_type); i++)
- total_count += object_count_by_type[i];
- duplicate_count = 0;
- for (i = 0; i < ARRAY_SIZE(duplicate_count_by_type); i++)
- duplicate_count += duplicate_count_by_type[i];
-
- fprintf(stderr, "%s statistics:\n", argv[0]);
- fprintf(stderr, "---------------------------------------------------------------------\n");
- fprintf(stderr, "Alloc'd objects: %10ju\n", alloc_count);
- fprintf(stderr, "Total objects: %10ju (%10ju duplicates )\n", total_count, duplicate_count);
- fprintf(stderr, " blobs : %10ju (%10ju duplicates %10ju deltas)\n", object_count_by_type[OBJ_BLOB], duplicate_count_by_type[OBJ_BLOB], delta_count_by_type[OBJ_BLOB]);
- fprintf(stderr, " trees : %10ju (%10ju duplicates %10ju deltas)\n", object_count_by_type[OBJ_TREE], duplicate_count_by_type[OBJ_TREE], delta_count_by_type[OBJ_TREE]);
- fprintf(stderr, " commits: %10ju (%10ju duplicates %10ju deltas)\n", object_count_by_type[OBJ_COMMIT], duplicate_count_by_type[OBJ_COMMIT], delta_count_by_type[OBJ_COMMIT]);
- fprintf(stderr, " tags : %10ju (%10ju duplicates %10ju deltas)\n", object_count_by_type[OBJ_TAG], duplicate_count_by_type[OBJ_TAG], delta_count_by_type[OBJ_TAG]);
- fprintf(stderr, "Total branches: %10lu (%10lu loads )\n", branch_count, branch_load_count);
- fprintf(stderr, " marks: %10ju (%10ju unique )\n", (((uintmax_t)1) << marks->shift) * 1024, marks_set_count);
- fprintf(stderr, " atoms: %10u\n", atom_cnt);
- fprintf(stderr, "Memory total: %10ju KiB\n", (total_allocd + alloc_count*sizeof(struct object_entry))/1024);
- fprintf(stderr, " pools: %10lu KiB\n", total_allocd/1024);
- fprintf(stderr, " objects: %10ju KiB\n", (alloc_count*sizeof(struct object_entry))/1024);
- fprintf(stderr, "---------------------------------------------------------------------\n");
- pack_report();
- fprintf(stderr, "---------------------------------------------------------------------\n");
- fprintf(stderr, "\n");
+ if (pack_edges)
+ fclose(pack_edges);
+
+ if (show_stats) {
+ uintmax_t total_count = 0, duplicate_count = 0;
+ for (i = 0; i < ARRAY_SIZE(object_count_by_type); i++)
+ total_count += object_count_by_type[i];
+ for (i = 0; i < ARRAY_SIZE(duplicate_count_by_type); i++)
+ duplicate_count += duplicate_count_by_type[i];
+
+ fprintf(stderr, "%s statistics:\n", argv[0]);
+ fprintf(stderr, "---------------------------------------------------------------------\n");
+ fprintf(stderr, "Alloc'd objects: %10" PRIuMAX "\n", alloc_count);
+ fprintf(stderr, "Total objects: %10" PRIuMAX " (%10" PRIuMAX " duplicates )\n", total_count, duplicate_count);
+ fprintf(stderr, " blobs : %10" PRIuMAX " (%10" PRIuMAX " duplicates %10" PRIuMAX " deltas)\n", object_count_by_type[OBJ_BLOB], duplicate_count_by_type[OBJ_BLOB], delta_count_by_type[OBJ_BLOB]);
+ fprintf(stderr, " trees : %10" PRIuMAX " (%10" PRIuMAX " duplicates %10" PRIuMAX " deltas)\n", object_count_by_type[OBJ_TREE], duplicate_count_by_type[OBJ_TREE], delta_count_by_type[OBJ_TREE]);
+ fprintf(stderr, " commits: %10" PRIuMAX " (%10" PRIuMAX " duplicates %10" PRIuMAX " deltas)\n", object_count_by_type[OBJ_COMMIT], duplicate_count_by_type[OBJ_COMMIT], delta_count_by_type[OBJ_COMMIT]);
+ fprintf(stderr, " tags : %10" PRIuMAX " (%10" PRIuMAX " duplicates %10" PRIuMAX " deltas)\n", object_count_by_type[OBJ_TAG], duplicate_count_by_type[OBJ_TAG], delta_count_by_type[OBJ_TAG]);
+ fprintf(stderr, "Total branches: %10lu (%10lu loads )\n", branch_count, branch_load_count);
+ fprintf(stderr, " marks: %10" PRIuMAX " (%10" PRIuMAX " unique )\n", (((uintmax_t)1) << marks->shift) * 1024, marks_set_count);
+ fprintf(stderr, " atoms: %10u\n", atom_cnt);
+ fprintf(stderr, "Memory total: %10" PRIuMAX " KiB\n", (total_allocd + alloc_count*sizeof(struct object_entry))/1024);
+ fprintf(stderr, " pools: %10lu KiB\n", (unsigned long)(total_allocd/1024));
+ fprintf(stderr, " objects: %10" PRIuMAX " KiB\n", (alloc_count*sizeof(struct object_entry))/1024);
+ fprintf(stderr, "---------------------------------------------------------------------\n");
+ pack_report();
+ fprintf(stderr, "---------------------------------------------------------------------\n");
+ fprintf(stderr, "\n");
+ }
- return 0;
+ return failure ? 1 : 0;
}