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-rw-r--r--fast-import.c124
1 files changed, 105 insertions, 19 deletions
diff --git a/fast-import.c b/fast-import.c
index a2a24588a9..60d0aa2bb4 100644
--- a/fast-import.c
+++ b/fast-import.c
@@ -19,11 +19,11 @@ Format of STDIN stream:
new_commit ::= 'commit' sp ref_str lf
mark?
- ('author' sp name sp '<' email '>' sp when lf)?
- 'committer' sp name sp '<' email '>' sp when lf
+ ('author' (sp name)? sp '<' email '>' sp when lf)?
+ 'committer' (sp name)? sp '<' email '>' sp when lf
commit_msg
- ('from' sp (ref_str | hexsha1 | sha1exp_str | idnum) lf)?
- ('merge' sp (ref_str | hexsha1 | sha1exp_str | idnum) lf)*
+ ('from' sp committish lf)?
+ ('merge' sp committish lf)*
file_change*
lf?;
commit_msg ::= data;
@@ -41,15 +41,18 @@ Format of STDIN stream:
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 committish lf;
+ note_inm ::= 'N' sp 'inline' sp committish lf
+ data;
new_tag ::= 'tag' sp tag_str lf
- 'from' sp (ref_str | hexsha1 | sha1exp_str | idnum) lf
- ('tagger' sp name sp '<' email '>' sp when lf)?
+ 'from' sp committish lf
+ ('tagger' (sp name)? sp '<' email '>' sp when lf)?
tag_msg;
tag_msg ::= data;
reset_branch ::= 'reset' sp ref_str lf
- ('from' sp (ref_str | hexsha1 | sha1exp_str | idnum) lf)?
+ ('from' sp committish lf)?
lf?;
checkpoint ::= 'checkpoint' lf
@@ -88,6 +91,7 @@ Format of STDIN stream:
# stream formatting is: \, " and LF. Otherwise these values
# are UTF8.
#
+ committish ::= (ref_str | hexsha1 | sha1exp_str | idnum);
ref_str ::= ref;
sha1exp_str ::= sha1exp;
tag_str ::= tag;
@@ -905,10 +909,10 @@ static char *keep_pack(char *curr_index_name)
keep_fd = odb_pack_keep(name, sizeof(name), pack_data->sha1);
if (keep_fd < 0)
- die("cannot create keep file");
+ die_errno("cannot create keep file");
write_or_die(keep_fd, keep_msg, strlen(keep_msg));
if (close(keep_fd))
- die("failed to write keep file");
+ 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));
@@ -1744,10 +1748,12 @@ static int validate_raw_date(const char *src, char *result, int maxlen)
{
const char *orig_src = src;
char *endp;
+ unsigned long num;
errno = 0;
- strtoul(src, &endp, 10);
+ num = strtoul(src, &endp, 10);
+ /* NEEDSWORK: perhaps check for reasonable values? */
if (errno || endp == src || *endp != ' ')
return -1;
@@ -1755,8 +1761,9 @@ static int validate_raw_date(const char *src, char *result, int maxlen)
if (*src != '-' && *src != '+')
return -1;
- strtoul(src + 1, &endp, 10);
- if (errno || endp == src || *endp || (endp - orig_src) >= maxlen)
+ num = strtoul(src + 1, &endp, 10);
+ if (errno || endp == src + 1 || *endp || (endp - orig_src) >= maxlen ||
+ 1400 < num)
return -1;
strcpy(result, orig_src);
@@ -2003,6 +2010,80 @@ static void file_change_cr(struct branch *b, int rename)
leaf.tree);
}
+static void note_change_n(struct branch *b)
+{
+ const char *p = command_buf.buf + 2;
+ static struct strbuf uq = STRBUF_INIT;
+ struct object_entry *oe = oe;
+ struct branch *s;
+ unsigned char sha1[20], commit_sha1[20];
+ uint16_t inline_data = 0;
+
+ /* <dataref> or 'inline' */
+ if (*p == ':') {
+ char *x;
+ oe = find_mark(strtoumax(p + 1, &x, 10));
+ hashcpy(sha1, oe->sha1);
+ p = x;
+ } else if (!prefixcmp(p, "inline")) {
+ inline_data = 1;
+ p += 6;
+ } else {
+ if (get_sha1_hex(p, sha1))
+ die("Invalid SHA1: %s", command_buf.buf);
+ oe = find_object(sha1);
+ p += 40;
+ }
+ if (*p++ != ' ')
+ die("Missing space after SHA1: %s", command_buf.buf);
+
+ /* <committish> */
+ s = lookup_branch(p);
+ if (s) {
+ hashcpy(commit_sha1, s->sha1);
+ } else if (*p == ':') {
+ uintmax_t commit_mark = strtoumax(p + 1, NULL, 10);
+ struct object_entry *commit_oe = find_mark(commit_mark);
+ if (commit_oe->type != OBJ_COMMIT)
+ die("Mark :%" PRIuMAX " not a commit", commit_mark);
+ hashcpy(commit_sha1, commit_oe->sha1);
+ } else if (!get_sha1(p, commit_sha1)) {
+ unsigned long size;
+ char *buf = read_object_with_reference(commit_sha1,
+ commit_type, &size, commit_sha1);
+ if (!buf || size < 46)
+ die("Not a valid commit: %s", p);
+ free(buf);
+ } else
+ die("Invalid ref name or SHA1 expression: %s", p);
+
+ if (inline_data) {
+ static struct strbuf buf = STRBUF_INIT;
+
+ if (p != uq.buf) {
+ strbuf_addstr(&uq, p);
+ p = uq.buf;
+ }
+ read_next_command();
+ parse_data(&buf);
+ store_object(OBJ_BLOB, &buf, &last_blob, sha1, 0);
+ } else if (oe) {
+ if (oe->type != OBJ_BLOB)
+ die("Not a blob (actually a %s): %s",
+ typename(oe->type), command_buf.buf);
+ } else {
+ enum object_type type = sha1_object_info(sha1, NULL);
+ if (type < 0)
+ die("Blob not found: %s", command_buf.buf);
+ if (type != OBJ_BLOB)
+ die("Not a blob (actually a %s): %s",
+ typename(type), command_buf.buf);
+ }
+
+ tree_content_set(&b->branch_tree, sha1_to_hex(commit_sha1), sha1,
+ S_IFREG | 0644, NULL);
+}
+
static void file_change_deleteall(struct branch *b)
{
release_tree_content_recursive(b->branch_tree.tree);
@@ -2172,6 +2253,8 @@ static void parse_new_commit(void)
file_change_cr(b, 1);
else if (!prefixcmp(command_buf.buf, "C "))
file_change_cr(b, 0);
+ else if (!prefixcmp(command_buf.buf, "N "))
+ note_change_n(b);
else if (!strcmp("deleteall", command_buf.buf))
file_change_deleteall(b);
else {
@@ -2222,6 +2305,7 @@ static void parse_new_tag(void)
struct tag *t;
uintmax_t from_mark = 0;
unsigned char sha1[20];
+ enum object_type type;
/* Obtain the new tag name from the rest of our command */
sp = strchr(command_buf.buf, ' ') + 1;
@@ -2242,19 +2326,18 @@ static void parse_new_tag(void)
s = lookup_branch(from);
if (s) {
hashcpy(sha1, s->sha1);
+ type = OBJ_COMMIT;
} else if (*from == ':') {
struct object_entry *oe;
from_mark = strtoumax(from + 1, NULL, 10);
oe = find_mark(from_mark);
- if (oe->type != OBJ_COMMIT)
- die("Mark :%" PRIuMAX " not a commit", from_mark);
+ type = oe->type;
hashcpy(sha1, oe->sha1);
} else if (!get_sha1(from, sha1)) {
unsigned long size;
char *buf;
- buf = read_object_with_reference(sha1,
- commit_type, &size, sha1);
+ buf = read_sha1_file(sha1, &type, &size);
if (!buf || size < 46)
die("Not a valid commit: %s", from);
free(buf);
@@ -2279,7 +2362,7 @@ static void parse_new_tag(void)
"object %s\n"
"type %s\n"
"tag %s\n",
- sha1_to_hex(sha1), commit_type, t->name);
+ sha1_to_hex(sha1), typename(type), t->name);
if (tagger)
strbuf_addf(&new_data,
"tagger %s\n", tagger);
@@ -2342,7 +2425,7 @@ static void import_marks(const char *input_file)
char line[512];
FILE *f = fopen(input_file, "r");
if (!f)
- die("cannot read %s: %s", input_file, strerror(errno));
+ die_errno("cannot read '%s'", input_file);
while (fgets(line, sizeof(line), f)) {
uintmax_t mark;
char *end;
@@ -2402,6 +2485,9 @@ int main(int argc, const char **argv)
git_extract_argv0_path(argv[0]);
+ if (argc == 2 && !strcmp(argv[1], "-h"))
+ usage(fast_import_usage);
+
setup_git_directory();
git_config(git_pack_config, NULL);
if (!pack_compression_seen && core_compression_seen)
@@ -2448,7 +2534,7 @@ int main(int argc, const char **argv)
fclose(pack_edges);
pack_edges = fopen(a + 20, "a");
if (!pack_edges)
- die("Cannot open %s: %s", a + 20, strerror(errno));
+ die_errno("Cannot open '%s'", a + 20);
} else if (!strcmp(a, "--force"))
force_update = 1;
else if (!strcmp(a, "--quiet"))
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-26 10:35:46 +0000