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-rw-r--r--fast-import.c185
1 files changed, 22 insertions, 163 deletions
diff --git a/fast-import.c b/fast-import.c
index 89bb0c9..b7ba755 100644
--- a/fast-import.c
+++ b/fast-import.c
@@ -1,157 +1,3 @@
-/*
-(See Documentation/git-fast-import.txt for maintained documentation.)
-Format of STDIN stream:
-
- stream ::= cmd*;
-
- cmd ::= new_blob
- | new_commit
- | new_tag
- | reset_branch
- | checkpoint
- | progress
- ;
-
- new_blob ::= 'blob' lf
- mark?
- file_content;
- file_content ::= data;
-
- new_commit ::= 'commit' sp ref_str lf
- mark?
- ('author' (sp name)? sp '<' email '>' sp when lf)?
- 'committer' (sp name)? sp '<' email '>' sp when lf
- commit_msg
- ('from' sp commit-ish lf)?
- ('merge' sp commit-ish lf)*
- (file_change | ls)*
- lf?;
- commit_msg ::= data;
-
- ls ::= 'ls' sp '"' quoted(path) '"' lf;
-
- file_change ::= file_clr
- | file_del
- | file_rnm
- | file_cpy
- | file_obm
- | file_inm;
- file_clr ::= 'deleteall' lf;
- file_del ::= 'D' sp path_str lf;
- file_rnm ::= 'R' sp path_str sp path_str lf;
- file_cpy ::= 'C' sp path_str 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
- data;
- note_obm ::= 'N' sp (hexsha1 | idnum) sp commit-ish lf;
- note_inm ::= 'N' sp 'inline' sp commit-ish lf
- data;
-
- new_tag ::= 'tag' sp tag_str lf
- 'from' sp commit-ish lf
- ('tagger' (sp name)? sp '<' email '>' sp when lf)?
- tag_msg;
- tag_msg ::= data;
-
- reset_branch ::= 'reset' sp ref_str lf
- ('from' sp commit-ish lf)?
- lf?;
-
- checkpoint ::= 'checkpoint' lf
- lf?;
-
- progress ::= 'progress' sp not_lf* lf
- lf?;
-
- # note: the first idnum in a stream should be 1 and subsequent
- # idnums should not have gaps between values as this will cause
- # the stream parser to reserve space for the gapped values. An
- # idnum can be updated in the future to a new object by issuing
- # a new mark directive with the old idnum.
- #
- mark ::= 'mark' sp idnum lf;
- data ::= (delimited_data | exact_data)
- lf?;
-
- # note: delim may be any string but must not contain lf.
- # data_line may contain any data but must not be exactly
- # delim.
- delimited_data ::= 'data' sp '<<' delim lf
- (data_line lf)*
- delim lf;
-
- # note: declen indicates the length of binary_data in bytes.
- # declen does not include the lf preceding the binary data.
- #
- exact_data ::= 'data' sp declen lf
- binary_data;
-
- # note: quoted strings are C-style quoting supporting \c for
- # common escapes of 'c' (e..g \n, \t, \\, \") or \nnn where nnn
- # is the signed byte value in octal. Note that the only
- # characters which must actually be escaped to protect the
- # stream formatting is: \, " and LF. Otherwise these values
- # are UTF8.
- #
- commit-ish ::= (ref_str | hexsha1 | sha1exp_str | idnum);
- ref_str ::= ref;
- sha1exp_str ::= sha1exp;
- tag_str ::= tag;
- path_str ::= path | '"' quoted(path) '"' ;
- mode ::= '100644' | '644'
- | '100755' | '755'
- | '120000'
- ;
-
- declen ::= # unsigned 32 bit value, ascii base10 notation;
- bigint ::= # unsigned integer value, ascii base10 notation;
- binary_data ::= # file content, not interpreted;
-
- when ::= raw_when | rfc2822_when;
- raw_when ::= ts sp tz;
- rfc2822_when ::= # Valid RFC 2822 date and time;
-
- sp ::= # ASCII space character;
- lf ::= # ASCII newline (LF) character;
-
- # note: a colon (':') must precede the numerical value assigned to
- # an idnum. This is to distinguish it from a ref or tag name as
- # GIT does not permit ':' in ref or tag strings.
- #
- idnum ::= ':' bigint;
- path ::= # GIT style file path, e.g. "a/b/c";
- ref ::= # GIT ref name, e.g. "refs/heads/MOZ_GECKO_EXPERIMENT";
- tag ::= # GIT tag name, e.g. "FIREFOX_1_5";
- sha1exp ::= # Any valid GIT SHA1 expression;
- hexsha1 ::= # SHA1 in hexadecimal format;
-
- # note: name and email are UTF8 strings, however name must not
- # contain '<' or lf and email must not contain any of the
- # following: '<', '>', lf.
- #
- name ::= # valid GIT author/committer name;
- email ::= # valid GIT author/committer email;
- ts ::= # time since the epoch in seconds, ascii base10 notation;
- tz ::= # GIT style timezone;
-
- # 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;
-
- comment ::= '#' not_lf* lf;
- not_lf ::= # Any byte that is not ASCII newline (LF);
-*/
-
#include "builtin.h"
#include "cache.h"
#include "repository.h"
@@ -171,6 +17,7 @@ Format of STDIN stream:
#include "packfile.h"
#include "object-store.h"
#include "mem-pool.h"
+#include "commit-reach.h"
#define PACK_ID_BITS 16
#define MAX_PACK_ID ((1<<PACK_ID_BITS)-1)
@@ -572,7 +419,7 @@ static struct object_entry *find_object(struct object_id *oid)
unsigned int h = oid->hash[0] << 8 | oid->hash[1];
struct object_entry *e;
for (e = object_table[h]; e; e = e->next)
- if (!oidcmp(oid, &e->idx.oid))
+ if (oideq(oid, &e->idx.oid))
return e;
return NULL;
}
@@ -583,7 +430,7 @@ static struct object_entry *insert_object(struct object_id *oid)
struct object_entry *e = object_table[h];
while (e) {
- if (!oidcmp(oid, &e->idx.oid))
+ if (oideq(oid, &e->idx.oid))
return e;
e = e->next;
}
@@ -1068,7 +915,7 @@ static int store_object(
duplicate_count_by_type[type]++;
return 1;
} else if (find_sha1_pack(oid.hash,
- get_packed_git(the_repository))) {
+ get_all_packs(the_repository))) {
e->type = type;
e->pack_id = MAX_PACK_ID;
e->idx.offset = 1; /* just not zero! */
@@ -1266,7 +1113,7 @@ static void stream_blob(uintmax_t len, struct object_id *oidout, uintmax_t mark)
truncate_pack(&checkpoint);
} else if (find_sha1_pack(oid.hash,
- get_packed_git(the_repository))) {
+ get_all_packs(the_repository))) {
e->type = OBJ_BLOB;
e->pack_id = MAX_PACK_ID;
e->idx.offset = 1; /* just not zero! */
@@ -1533,7 +1380,7 @@ static int tree_content_set(
if (!*slash1) {
if (!S_ISDIR(mode)
&& e->versions[1].mode == mode
- && !oidcmp(&e->versions[1].oid, oid))
+ && oideq(&e->versions[1].oid, oid))
return 0;
e->versions[1].mode = mode;
oidcpy(&e->versions[1].oid, oid);
@@ -1967,6 +1814,13 @@ static void parse_mark(void)
next_mark = 0;
}
+static void parse_original_identifier(void)
+{
+ const char *v;
+ if (skip_prefix(command_buf.buf, "original-oid ", &v))
+ read_next_command();
+}
+
static int parse_data(struct strbuf *sb, uintmax_t limit, uintmax_t *len_res)
{
const char *data;
@@ -2109,6 +1963,7 @@ static void parse_new_blob(void)
{
read_next_command();
parse_mark();
+ parse_original_identifier();
parse_and_store_blob(&last_blob, NULL, next_mark);
}
@@ -2649,7 +2504,7 @@ static int parse_from(struct branch *b)
struct object_entry *oe = find_mark(idnum);
if (oe->type != OBJ_COMMIT)
die("Mark :%" PRIuMAX " not a commit", idnum);
- if (oidcmp(&b->oid, &oe->idx.oid)) {
+ if (!oideq(&b->oid, &oe->idx.oid)) {
oidcpy(&b->oid, &oe->idx.oid);
if (oe->pack_id != MAX_PACK_ID) {
unsigned long size;
@@ -2667,7 +2522,7 @@ static int parse_from(struct branch *b)
else
die("Invalid ref name or SHA1 expression: %s", from);
- if (b->branch_tree.tree && oidcmp(&oid, &b->branch_tree.versions[1].oid)) {
+ if (b->branch_tree.tree && !oideq(&oid, &b->branch_tree.versions[1].oid)) {
release_tree_content_recursive(b->branch_tree.tree);
b->branch_tree.tree = NULL;
}
@@ -2732,6 +2587,7 @@ static void parse_new_commit(const char *arg)
read_next_command();
parse_mark();
+ parse_original_identifier();
if (skip_prefix(command_buf.buf, "author ", &v)) {
author = parse_ident(v);
read_next_command();
@@ -2864,6 +2720,9 @@ static void parse_new_tag(const char *arg)
die("Invalid ref name or SHA1 expression: %s", from);
read_next_command();
+ /* original-oid ... */
+ parse_original_identifier();
+
/* tagger ... */
if (skip_prefix(command_buf.buf, "tagger ", &v)) {
tagger = parse_ident(v);
@@ -2954,8 +2813,8 @@ static void cat_blob(struct object_entry *oe, struct object_id *oid)
die("Object %s is a %s but a blob was expected.",
oid_to_hex(oid), type_name(type));
strbuf_reset(&line);
- strbuf_addf(&line, "%s %s %lu\n", oid_to_hex(oid),
- type_name(type), size);
+ strbuf_addf(&line, "%s %s %"PRIuMAX"\n", oid_to_hex(oid),
+ type_name(type), (uintmax_t)size);
cat_blob_write(line.buf, line.len);
strbuf_release(&line);
cat_blob_write(buf, size);