diff options
Diffstat (limited to 'fast-import.c')
-rw-r--r-- | fast-import.c | 78 |
1 files changed, 48 insertions, 30 deletions
diff --git a/fast-import.c b/fast-import.c index 23f625f56..45c876486 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. |