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-rw-r--r--fast-import.c78
1 files changed, 48 insertions, 30 deletions
diff --git a/fast-import.c b/fast-import.c
index 5c329f6009..f4d9969e5c 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;
@@ -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)
@@ -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,
@@ -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" "" */
@@ -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))
@@ -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.
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