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-rw-r--r--fast-import.c166
1 files changed, 92 insertions, 74 deletions
diff --git a/fast-import.c b/fast-import.c
index 5f539d7d8f..4fd18a3574 100644
--- a/fast-import.c
+++ b/fast-import.c
@@ -22,8 +22,8 @@ Format of STDIN stream:
('author' (sp name)? sp '<' email '>' sp when lf)?
'committer' (sp name)? sp '<' email '>' sp when lf
commit_msg
- ('from' sp committish lf)?
- ('merge' sp committish lf)*
+ ('from' sp commit-ish lf)?
+ ('merge' sp commit-ish lf)*
(file_change | ls)*
lf?;
commit_msg ::= data;
@@ -43,18 +43,18 @@ 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
+ 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 committish 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 committish lf)?
+ ('from' sp commit-ish lf)?
lf?;
checkpoint ::= 'checkpoint' lf
@@ -93,7 +93,7 @@ Format of STDIN stream:
# stream formatting is: \, " and LF. Otherwise these values
# are UTF8.
#
- committish ::= (ref_str | hexsha1 | sha1exp_str | idnum);
+ commit-ish ::= (ref_str | hexsha1 | sha1exp_str | idnum);
ref_str ::= ref;
sha1exp_str ::= sha1exp;
tag_str ::= tag;
@@ -297,7 +297,7 @@ static int failure;
static FILE *pack_edges;
static unsigned int show_stats = 1;
static int global_argc;
-static const char **global_argv;
+static char **global_argv;
/* Memory pools */
static size_t mem_pool_alloc = 2*1024*1024 - sizeof(struct mem_pool);
@@ -1568,7 +1568,8 @@ static int tree_content_set(
static int tree_content_remove(
struct tree_entry *root,
const char *p,
- struct tree_entry *backup_leaf)
+ struct tree_entry *backup_leaf,
+ int allow_root)
{
struct tree_content *t;
const char *slash1;
@@ -1583,6 +1584,12 @@ static int tree_content_remove(
if (!root->tree)
load_tree(root);
+
+ if (!*p && allow_root) {
+ e = root;
+ goto del_entry;
+ }
+
t = root->tree;
for (i = 0; i < t->entry_count; i++) {
e = t->entries[i];
@@ -1599,7 +1606,7 @@ static int tree_content_remove(
goto del_entry;
if (!e->tree)
load_tree(e);
- if (tree_content_remove(e, slash1 + 1, backup_leaf)) {
+ if (tree_content_remove(e, slash1 + 1, backup_leaf, 0)) {
for (n = 0; n < e->tree->entry_count; n++) {
if (e->tree->entries[n]->versions[1].mode) {
hashclr(root->versions[1].sha1);
@@ -1629,7 +1636,8 @@ del_entry:
static int tree_content_get(
struct tree_entry *root,
const char *p,
- struct tree_entry *leaf)
+ struct tree_entry *leaf,
+ int allow_root)
{
struct tree_content *t;
const char *slash1;
@@ -1641,31 +1649,39 @@ static int tree_content_get(
n = slash1 - p;
else
n = strlen(p);
- if (!n)
+ if (!n && !allow_root)
die("Empty path component found in input");
if (!root->tree)
load_tree(root);
+
+ if (!n) {
+ e = root;
+ goto found_entry;
+ }
+
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 (!slash1) {
- memcpy(leaf, e, sizeof(*leaf));
- if (e->tree && is_null_sha1(e->versions[1].sha1))
- leaf->tree = dup_tree_content(e->tree);
- else
- leaf->tree = NULL;
- return 1;
- }
+ if (!slash1)
+ goto found_entry;
if (!S_ISDIR(e->versions[1].mode))
return 0;
if (!e->tree)
load_tree(e);
- return tree_content_get(e, slash1 + 1, leaf);
+ return tree_content_get(e, slash1 + 1, leaf, 0);
}
}
return 0;
+
+found_entry:
+ memcpy(leaf, e, sizeof(*leaf));
+ if (e->tree && is_null_sha1(e->versions[1].sha1))
+ leaf->tree = dup_tree_content(e->tree);
+ else
+ leaf->tree = NULL;
+ return 1;
}
static int update_branch(struct branch *b)
@@ -1678,7 +1694,7 @@ static int update_branch(struct branch *b)
return 0;
if (read_ref(b->name, old_sha1))
hashclr(old_sha1);
- lock = lock_any_ref_for_update(b->name, old_sha1, 0);
+ lock = lock_any_ref_for_update(b->name, old_sha1, 0, NULL);
if (!lock)
return error("Unable to lock %s", b->name);
if (!force_update && !is_null_sha1(old_sha1)) {
@@ -1822,7 +1838,7 @@ static void read_marks(void)
*end = 0;
mark = strtoumax(line + 1, &end, 10);
if (!mark || end == line + 1
- || *end != ' ' || get_sha1(end + 1, sha1))
+ || *end != ' ' || get_sha1_hex(end + 1, sha1))
die("corrupt mark line: %s", line);
e = find_object(sha1);
if (!e) {
@@ -1861,8 +1877,8 @@ static int read_next_command(void)
return EOF;
if (!seen_data_command
- && prefixcmp(command_buf.buf, "feature ")
- && prefixcmp(command_buf.buf, "option ")) {
+ && !starts_with(command_buf.buf, "feature ")
+ && !starts_with(command_buf.buf, "option ")) {
parse_argv();
}
@@ -1882,7 +1898,7 @@ static int read_next_command(void)
rc->prev->next = rc;
cmd_tail = rc;
}
- if (!prefixcmp(command_buf.buf, "cat-blob ")) {
+ if (starts_with(command_buf.buf, "cat-blob ")) {
parse_cat_blob();
continue;
}
@@ -1901,7 +1917,7 @@ static void skip_optional_lf(void)
static void parse_mark(void)
{
- if (!prefixcmp(command_buf.buf, "mark :")) {
+ if (starts_with(command_buf.buf, "mark :")) {
next_mark = strtoumax(command_buf.buf + 6, NULL, 10);
read_next_command();
}
@@ -1913,10 +1929,10 @@ static int parse_data(struct strbuf *sb, uintmax_t limit, uintmax_t *len_res)
{
strbuf_reset(sb);
- if (prefixcmp(command_buf.buf, "data "))
+ if (!starts_with(command_buf.buf, "data "))
die("Expected 'data n' command, found: %s", command_buf.buf);
- if (!prefixcmp(command_buf.buf + 5, "<<")) {
+ if (starts_with(command_buf.buf + 5, "<<")) {
char *term = xstrdup(command_buf.buf + 5 + 2);
size_t term_len = command_buf.len - 5 - 2;
@@ -2179,7 +2195,7 @@ static uintmax_t do_change_note_fanout(
}
/* Rename fullpath to realpath */
- if (!tree_content_remove(orig_root, fullpath, &leaf))
+ if (!tree_content_remove(orig_root, fullpath, &leaf, 0))
die("Failed to remove path %s", fullpath);
tree_content_set(orig_root, realpath,
leaf.versions[1].sha1,
@@ -2290,7 +2306,7 @@ static void file_change_m(struct branch *b)
if (*p == ':') {
oe = find_mark(parse_mark_ref_space(&p));
hashcpy(sha1, oe->idx.sha1);
- } else if (!prefixcmp(p, "inline ")) {
+ } else if (starts_with(p, "inline ")) {
inline_data = 1;
oe = NULL; /* not used with inline_data, but makes gcc happy */
p += strlen("inline"); /* advance to space */
@@ -2314,7 +2330,7 @@ static void file_change_m(struct branch *b)
/* Git does not track empty, non-toplevel directories. */
if (S_ISDIR(mode) && !memcmp(sha1, EMPTY_TREE_SHA1_BIN, 20) && *p) {
- tree_content_remove(&b->branch_tree, p, NULL);
+ tree_content_remove(&b->branch_tree, p, NULL, 0);
return;
}
@@ -2375,7 +2391,7 @@ static void file_change_d(struct branch *b)
die("Garbage after path in: %s", command_buf.buf);
p = uq.buf;
}
- tree_content_remove(&b->branch_tree, p, NULL);
+ tree_content_remove(&b->branch_tree, p, NULL, 1);
}
static void file_change_cr(struct branch *b, int rename)
@@ -2413,9 +2429,9 @@ static void file_change_cr(struct branch *b, int rename)
memset(&leaf, 0, sizeof(leaf));
if (rename)
- tree_content_remove(&b->branch_tree, s, &leaf);
+ tree_content_remove(&b->branch_tree, s, &leaf, 1);
else
- tree_content_get(&b->branch_tree, s, &leaf);
+ tree_content_get(&b->branch_tree, s, &leaf, 1);
if (!leaf.versions[1].mode)
die("Path %s not in branch", s);
if (!*d) { /* C "path/to/subdir" "" */
@@ -2463,7 +2479,7 @@ static void note_change_n(struct branch *b, unsigned char *old_fanout)
if (*p == ':') {
oe = find_mark(parse_mark_ref_space(&p));
hashcpy(sha1, oe->idx.sha1);
- } else if (!prefixcmp(p, "inline ")) {
+ } else if (starts_with(p, "inline ")) {
inline_data = 1;
oe = NULL; /* not used with inline_data, but makes gcc happy */
p += strlen("inline"); /* advance to space */
@@ -2478,7 +2494,7 @@ static void note_change_n(struct branch *b, unsigned char *old_fanout)
assert(*p == ' ');
p++; /* skip space */
- /* <committish> */
+ /* <commit-ish> */
s = lookup_branch(p);
if (s) {
if (is_null_sha1(s->sha1))
@@ -2521,7 +2537,7 @@ static void note_change_n(struct branch *b, unsigned char *old_fanout)
}
construct_path_with_fanout(sha1_to_hex(commit_sha1), *old_fanout, path);
- if (tree_content_remove(&b->branch_tree, path, NULL))
+ if (tree_content_remove(&b->branch_tree, path, NULL, 0))
b->num_notes--;
if (is_null_sha1(sha1))
@@ -2574,7 +2590,7 @@ static int parse_from(struct branch *b)
const char *from;
struct branch *s;
- if (prefixcmp(command_buf.buf, "from "))
+ if (!starts_with(command_buf.buf, "from "))
return 0;
if (b->branch_tree.tree) {
@@ -2620,7 +2636,7 @@ static struct hash_list *parse_merge(unsigned int *count)
struct branch *s;
*count = 0;
- while (!prefixcmp(command_buf.buf, "merge ")) {
+ while (starts_with(command_buf.buf, "merge ")) {
from = strchr(command_buf.buf, ' ') + 1;
n = xmalloc(sizeof(*n));
s = lookup_branch(from);
@@ -2671,11 +2687,11 @@ static void parse_new_commit(void)
read_next_command();
parse_mark();
- if (!prefixcmp(command_buf.buf, "author ")) {
+ if (starts_with(command_buf.buf, "author ")) {
author = parse_ident(command_buf.buf + 7);
read_next_command();
}
- if (!prefixcmp(command_buf.buf, "committer ")) {
+ if (starts_with(command_buf.buf, "committer ")) {
committer = parse_ident(command_buf.buf + 10);
read_next_command();
}
@@ -2696,19 +2712,19 @@ static void parse_new_commit(void)
/* file_change* */
while (command_buf.len > 0) {
- if (!prefixcmp(command_buf.buf, "M "))
+ if (starts_with(command_buf.buf, "M "))
file_change_m(b);
- else if (!prefixcmp(command_buf.buf, "D "))
+ else if (starts_with(command_buf.buf, "D "))
file_change_d(b);
- else if (!prefixcmp(command_buf.buf, "R "))
+ else if (starts_with(command_buf.buf, "R "))
file_change_cr(b, 1);
- else if (!prefixcmp(command_buf.buf, "C "))
+ else if (starts_with(command_buf.buf, "C "))
file_change_cr(b, 0);
- else if (!prefixcmp(command_buf.buf, "N "))
+ else if (starts_with(command_buf.buf, "N "))
note_change_n(b, &prev_fanout);
else if (!strcmp("deleteall", command_buf.buf))
file_change_deleteall(b);
- else if (!prefixcmp(command_buf.buf, "ls "))
+ else if (starts_with(command_buf.buf, "ls "))
parse_ls(b);
else {
unread_command_buf = 1;
@@ -2777,7 +2793,7 @@ static void parse_new_tag(void)
read_next_command();
/* from ... */
- if (prefixcmp(command_buf.buf, "from "))
+ if (!starts_with(command_buf.buf, "from "))
die("Expected from command, got %s", command_buf.buf);
from = strchr(command_buf.buf, ' ') + 1;
s = lookup_branch(from);
@@ -2805,7 +2821,7 @@ static void parse_new_tag(void)
read_next_command();
/* tagger ... */
- if (!prefixcmp(command_buf.buf, "tagger ")) {
+ if (starts_with(command_buf.buf, "tagger ")) {
tagger = parse_ident(command_buf.buf + 7);
read_next_command();
} else
@@ -2957,7 +2973,7 @@ static struct object_entry *dereference(struct object_entry *oe,
case OBJ_TAG:
break;
default:
- die("Not a treeish: %s", command_buf.buf);
+ die("Not a tree-ish: %s", command_buf.buf);
}
if (oe->pack_id != MAX_PACK_ID) { /* in a pack being written */
@@ -3041,7 +3057,7 @@ static void parse_ls(struct branch *b)
struct tree_entry *root = NULL;
struct tree_entry leaf = {NULL};
- /* ls SP (<treeish> SP)? <path> */
+ /* ls SP (<tree-ish> SP)? <path> */
p = command_buf.buf + strlen("ls ");
if (*p == '"') {
if (!b)
@@ -3051,6 +3067,8 @@ static void parse_ls(struct branch *b)
struct object_entry *e = parse_treeish_dataref(&p);
root = new_tree_entry();
hashcpy(root->versions[1].sha1, e->idx.sha1);
+ if (!is_null_sha1(root->versions[1].sha1))
+ root->versions[1].mode = S_IFDIR;
load_tree(root);
if (*p++ != ' ')
die("Missing space after tree-ish: %s", command_buf.buf);
@@ -3065,7 +3083,7 @@ static void parse_ls(struct branch *b)
die("Garbage after path in: %s", command_buf.buf);
p = uq.buf;
}
- tree_content_get(root, p, &leaf);
+ tree_content_get(root, p, &leaf, 1);
/*
* A directory in preparation would have a sha1 of zero
* until it is saved. Save, for simplicity.
@@ -3191,7 +3209,7 @@ static void option_export_pack_edges(const char *edges)
static int parse_one_option(const char *option)
{
- if (!prefixcmp(option, "max-pack-size=")) {
+ if (starts_with(option, "max-pack-size=")) {
unsigned long v;
if (!git_parse_ulong(option + 14, &v))
return 0;
@@ -3203,20 +3221,20 @@ static int parse_one_option(const char *option)
v = 1024 * 1024;
}
max_packsize = v;
- } else if (!prefixcmp(option, "big-file-threshold=")) {
+ } else if (starts_with(option, "big-file-threshold=")) {
unsigned long v;
if (!git_parse_ulong(option + 19, &v))
return 0;
big_file_threshold = v;
- } else if (!prefixcmp(option, "depth=")) {
+ } else if (starts_with(option, "depth=")) {
option_depth(option + 6);
- } else if (!prefixcmp(option, "active-branches=")) {
+ } else if (starts_with(option, "active-branches=")) {
option_active_branches(option + 16);
- } else if (!prefixcmp(option, "export-pack-edges=")) {
+ } else if (starts_with(option, "export-pack-edges=")) {
option_export_pack_edges(option + 18);
- } else if (!prefixcmp(option, "quiet")) {
+ } else if (starts_with(option, "quiet")) {
show_stats = 0;
- } else if (!prefixcmp(option, "stats")) {
+ } else if (starts_with(option, "stats")) {
show_stats = 1;
} else {
return 0;
@@ -3227,14 +3245,14 @@ static int parse_one_option(const char *option)
static int parse_one_feature(const char *feature, int from_stream)
{
- if (!prefixcmp(feature, "date-format=")) {
+ if (starts_with(feature, "date-format=")) {
option_date_format(feature + 12);
- } else if (!prefixcmp(feature, "import-marks=")) {
+ } else if (starts_with(feature, "import-marks=")) {
option_import_marks(feature + 13, from_stream, 0);
- } else if (!prefixcmp(feature, "import-marks-if-exists=")) {
+ } else if (starts_with(feature, "import-marks-if-exists=")) {
option_import_marks(feature + strlen("import-marks-if-exists="),
from_stream, 1);
- } else if (!prefixcmp(feature, "export-marks=")) {
+ } else if (starts_with(feature, "export-marks=")) {
option_export_marks(feature + 13);
} else if (!strcmp(feature, "cat-blob")) {
; /* Don't die - this feature is supported */
@@ -3332,7 +3350,7 @@ static void parse_argv(void)
if (parse_one_feature(a + 2, 0))
continue;
- if (!prefixcmp(a + 2, "cat-blob-fd=")) {
+ if (starts_with(a + 2, "cat-blob-fd=")) {
option_cat_blob_fd(a + 2 + strlen("cat-blob-fd="));
continue;
}
@@ -3347,7 +3365,7 @@ static void parse_argv(void)
read_marks();
}
-int main(int argc, const char **argv)
+int main(int argc, char **argv)
{
unsigned int i;
@@ -3386,25 +3404,25 @@ int main(int argc, const char **argv)
while (read_next_command() != EOF) {
if (!strcmp("blob", command_buf.buf))
parse_new_blob();
- else if (!prefixcmp(command_buf.buf, "ls "))
+ else if (starts_with(command_buf.buf, "ls "))
parse_ls(NULL);
- else if (!prefixcmp(command_buf.buf, "commit "))
+ else if (starts_with(command_buf.buf, "commit "))
parse_new_commit();
- else if (!prefixcmp(command_buf.buf, "tag "))
+ else if (starts_with(command_buf.buf, "tag "))
parse_new_tag();
- else if (!prefixcmp(command_buf.buf, "reset "))
+ else if (starts_with(command_buf.buf, "reset "))
parse_reset_branch();
else if (!strcmp("checkpoint", command_buf.buf))
parse_checkpoint();
else if (!strcmp("done", command_buf.buf))
break;
- else if (!prefixcmp(command_buf.buf, "progress "))
+ else if (starts_with(command_buf.buf, "progress "))
parse_progress();
- else if (!prefixcmp(command_buf.buf, "feature "))
+ else if (starts_with(command_buf.buf, "feature "))
parse_feature();
- else if (!prefixcmp(command_buf.buf, "option git "))
+ else if (starts_with(command_buf.buf, "option git "))
parse_option();
- else if (!prefixcmp(command_buf.buf, "option "))
+ else if (starts_with(command_buf.buf, "option "))
/* ignore non-git options*/;
else
die("Unsupported command: %s", command_buf.buf);
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-20 01:29:28 +0000