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-rw-r--r--fast-import.c77
1 files changed, 52 insertions, 25 deletions
diff --git a/fast-import.c b/fast-import.c
index e78ca107b3..2ad4fee07e 100644
--- a/fast-import.c
+++ b/fast-import.c
@@ -134,16 +134,17 @@ Format of STDIN stream:
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;
@@ -372,6 +373,7 @@ static volatile sig_atomic_t checkpoint_requested;
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);
@@ -405,7 +407,7 @@ static void dump_marks_helper(FILE *, uintmax_t, struct mark_set *);
static void write_crash_report(const char *err)
{
- char *loc = git_path("fast_import_crash_%"PRIuMAX, (uintmax_t) getpid());
+ const char *loc = git_path("fast_import_crash_%"PRIuMAX, (uintmax_t) getpid());
FILE *rpt = fopen(loc, "w");
struct branch *b;
unsigned long lu;
@@ -421,7 +423,7 @@ static void write_crash_report(const char *err)
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(LOCAL)));
fputc('\n', rpt);
fputs("fatal: ", rpt);
@@ -1692,13 +1694,13 @@ static int update_branch(struct branch *b)
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(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;
@@ -1907,6 +1909,10 @@ static int read_next_command(void)
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;
@@ -2588,14 +2594,12 @@ static int parse_from(struct branch *b)
{
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)
@@ -2610,14 +2614,16 @@ 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);
- 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))
@@ -2626,6 +2632,11 @@ static int parse_from(struct branch *b)
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;
}
@@ -2919,6 +2930,23 @@ static void cat_blob(struct object_entry *oe, unsigned char sha1[20])
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);
+
+ snprintf(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;
@@ -3113,12 +3141,9 @@ static void parse_progress(void)
static char* make_fast_import_path(const char *path)
{
- struct strbuf abs_path = STRBUF_INIT;
-
if (!relative_marks_paths || is_absolute_path(path))
return xstrdup(path);
- strbuf_addf(&abs_path, "%s/info/fast-import/%s", get_git_dir(), path);
- return strbuf_detach(&abs_path, NULL);
+ return xstrdup(git_path("info/fast-import/%s", path));
}
static void option_import_marks(const char *marks,
@@ -3243,6 +3268,8 @@ static int parse_one_feature(const char *feature, int from_stream)
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")) {
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-12 04:32:50 +0000