зеркало из https://github.com/microsoft/git.git
Merge branch 'jk/fast-import-empty-ls'
* jk/fast-import-empty-ls: fast-import: allow moving the root tree fast-import: allow ls or filecopy of the root tree fast-import: set valid mode on root tree in "ls" t9300: document fast-import empty path issues
This commit is contained in:
Junio C Hamano
Коммит
7e39472020
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@ -1568,7 +1568,8 @@ static int tree_content_set(
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static int tree_content_remove(
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struct tree_entry *root,
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const char *p,
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struct tree_entry *backup_leaf)
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struct tree_entry *backup_leaf,
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int allow_root)
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{
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struct tree_content *t;
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const char *slash1;
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@ -1583,6 +1584,12 @@ static int tree_content_remove(
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if (!root->tree)
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load_tree(root);
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if (!*p && allow_root) {
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e = root;
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goto del_entry;
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}
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t = root->tree;
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for (i = 0; i < t->entry_count; i++) {
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e = t->entries[i];
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@ -1599,7 +1606,7 @@ static int tree_content_remove(
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goto del_entry;
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if (!e->tree)
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load_tree(e);
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if (tree_content_remove(e, slash1 + 1, backup_leaf)) {
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if (tree_content_remove(e, slash1 + 1, backup_leaf, 0)) {
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for (n = 0; n < e->tree->entry_count; n++) {
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if (e->tree->entries[n]->versions[1].mode) {
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hashclr(root->versions[1].sha1);
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@ -1629,7 +1636,8 @@ del_entry:
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static int tree_content_get(
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struct tree_entry *root,
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const char *p,
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struct tree_entry *leaf)
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struct tree_entry *leaf,
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int allow_root)
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{
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struct tree_content *t;
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const char *slash1;
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@ -1641,31 +1649,39 @@ static int tree_content_get(
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n = slash1 - p;
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else
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n = strlen(p);
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if (!n)
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if (!n && !allow_root)
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die("Empty path component found in input");
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if (!root->tree)
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load_tree(root);
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if (!n) {
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e = root;
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goto found_entry;
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}
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t = root->tree;
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for (i = 0; i < t->entry_count; i++) {
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e = t->entries[i];
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if (e->name->str_len == n && !strncmp_icase(p, e->name->str_dat, n)) {
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if (!slash1) {
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memcpy(leaf, e, sizeof(*leaf));
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if (e->tree && is_null_sha1(e->versions[1].sha1))
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leaf->tree = dup_tree_content(e->tree);
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else
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leaf->tree = NULL;
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return 1;
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}
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if (!slash1)
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goto found_entry;
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if (!S_ISDIR(e->versions[1].mode))
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return 0;
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if (!e->tree)
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load_tree(e);
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return tree_content_get(e, slash1 + 1, leaf);
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return tree_content_get(e, slash1 + 1, leaf, 0);
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}
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}
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return 0;
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found_entry:
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memcpy(leaf, e, sizeof(*leaf));
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if (e->tree && is_null_sha1(e->versions[1].sha1))
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leaf->tree = dup_tree_content(e->tree);
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else
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leaf->tree = NULL;
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return 1;
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}
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static int update_branch(struct branch *b)
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@ -2179,7 +2195,7 @@ static uintmax_t do_change_note_fanout(
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}
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/* Rename fullpath to realpath */
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if (!tree_content_remove(orig_root, fullpath, &leaf))
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if (!tree_content_remove(orig_root, fullpath, &leaf, 0))
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die("Failed to remove path %s", fullpath);
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tree_content_set(orig_root, realpath,
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leaf.versions[1].sha1,
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@ -2314,7 +2330,7 @@ static void file_change_m(struct branch *b)
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/* Git does not track empty, non-toplevel directories. */
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if (S_ISDIR(mode) && !memcmp(sha1, EMPTY_TREE_SHA1_BIN, 20) && *p) {
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tree_content_remove(&b->branch_tree, p, NULL);
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tree_content_remove(&b->branch_tree, p, NULL, 0);
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return;
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}
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@ -2375,7 +2391,7 @@ static void file_change_d(struct branch *b)
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die("Garbage after path in: %s", command_buf.buf);
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p = uq.buf;
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}
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tree_content_remove(&b->branch_tree, p, NULL);
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tree_content_remove(&b->branch_tree, p, NULL, 1);
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}
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static void file_change_cr(struct branch *b, int rename)
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@ -2413,9 +2429,9 @@ static void file_change_cr(struct branch *b, int rename)
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memset(&leaf, 0, sizeof(leaf));
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if (rename)
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tree_content_remove(&b->branch_tree, s, &leaf);
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tree_content_remove(&b->branch_tree, s, &leaf, 1);
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else
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tree_content_get(&b->branch_tree, s, &leaf);
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tree_content_get(&b->branch_tree, s, &leaf, 1);
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if (!leaf.versions[1].mode)
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die("Path %s not in branch", s);
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if (!*d) { /* C "path/to/subdir" "" */
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@ -2521,7 +2537,7 @@ static void note_change_n(struct branch *b, unsigned char *old_fanout)
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}
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construct_path_with_fanout(sha1_to_hex(commit_sha1), *old_fanout, path);
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if (tree_content_remove(&b->branch_tree, path, NULL))
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if (tree_content_remove(&b->branch_tree, path, NULL, 0))
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b->num_notes--;
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if (is_null_sha1(sha1))
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@ -3051,6 +3067,8 @@ static void parse_ls(struct branch *b)
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struct object_entry *e = parse_treeish_dataref(&p);
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root = new_tree_entry();
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hashcpy(root->versions[1].sha1, e->idx.sha1);
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if (!is_null_sha1(root->versions[1].sha1))
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root->versions[1].mode = S_IFDIR;
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load_tree(root);
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if (*p++ != ' ')
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die("Missing space after tree-ish: %s", command_buf.buf);
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@ -3065,7 +3083,7 @@ static void parse_ls(struct branch *b)
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die("Garbage after path in: %s", command_buf.buf);
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p = uq.buf;
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}
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tree_content_get(root, p, &leaf);
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tree_content_get(root, p, &leaf, 1);
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/*
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* A directory in preparation would have a sha1 of zero
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* until it is saved. Save, for simplicity.
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@ -1031,6 +1031,32 @@ test_expect_success \
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git diff-tree -M -r M3^ M3 >actual &&
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compare_diff_raw expect actual'
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cat >input <<INPUT_END
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commit refs/heads/M4
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committer $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> $GIT_COMMITTER_DATE
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data <<COMMIT
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rename root
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COMMIT
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from refs/heads/M2^0
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R "" sub
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INPUT_END
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cat >expect <<EOF
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:100644 100644 7123f7f44e39be127c5eb701e5968176ee9d78b1 7123f7f44e39be127c5eb701e5968176ee9d78b1 R100 file2/oldf sub/file2/oldf
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:100755 100755 85df50785d62d3b05ab03d9cbf7e4a0b49449730 85df50785d62d3b05ab03d9cbf7e4a0b49449730 R100 file4 sub/file4
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:100755 100755 f1fb5da718392694d0076d677d6d0e364c79b0bc f1fb5da718392694d0076d677d6d0e364c79b0bc R100 i/am/new/to/you sub/i/am/new/to/you
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:100755 100755 e74b7d465e52746be2b4bae983670711e6e66657 e74b7d465e52746be2b4bae983670711e6e66657 R100 newdir/exec.sh sub/newdir/exec.sh
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:100644 100644 fcf778cda181eaa1cbc9e9ce3a2e15ee9f9fe791 fcf778cda181eaa1cbc9e9ce3a2e15ee9f9fe791 R100 newdir/interesting sub/newdir/interesting
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EOF
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test_expect_success \
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'M: rename root to subdirectory' \
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'git fast-import <input &&
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git diff-tree -M -r M4^ M4 >actual &&
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cat actual &&
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compare_diff_raw expect actual'
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###
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### series N
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###
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@ -1227,6 +1253,29 @@ test_expect_success \
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git diff-tree -C --find-copies-harder -r N4 N6 >actual &&
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compare_diff_raw expect actual'
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test_expect_success \
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'N: copy root by path' \
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'cat >expect <<-\EOF &&
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:100755 100755 f1fb5da718392694d0076d677d6d0e364c79b0bc f1fb5da718392694d0076d677d6d0e364c79b0bc C100 file2/newf oldroot/file2/newf
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:100644 100644 7123f7f44e39be127c5eb701e5968176ee9d78b1 7123f7f44e39be127c5eb701e5968176ee9d78b1 C100 file2/oldf oldroot/file2/oldf
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:100755 100755 85df50785d62d3b05ab03d9cbf7e4a0b49449730 85df50785d62d3b05ab03d9cbf7e4a0b49449730 C100 file4 oldroot/file4
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:100755 100755 e74b7d465e52746be2b4bae983670711e6e66657 e74b7d465e52746be2b4bae983670711e6e66657 C100 newdir/exec.sh oldroot/newdir/exec.sh
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:100644 100644 fcf778cda181eaa1cbc9e9ce3a2e15ee9f9fe791 fcf778cda181eaa1cbc9e9ce3a2e15ee9f9fe791 C100 newdir/interesting oldroot/newdir/interesting
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EOF
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cat >input <<-INPUT_END &&
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commit refs/heads/N-copy-root-path
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committer $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> $GIT_COMMITTER_DATE
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data <<COMMIT
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copy root directory by (empty) path
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COMMIT
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from refs/heads/branch^0
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C "" oldroot
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INPUT_END
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git fast-import <input &&
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git diff-tree -C --find-copies-harder -r branch N-copy-root-path >actual &&
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compare_diff_raw expect actual'
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test_expect_success \
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'N: delete directory by copying' \
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'cat >expect <<-\EOF &&
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@ -2934,4 +2983,20 @@ test_expect_success 'S: ls with garbage after sha1 must fail' '
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test_i18ngrep "space after tree-ish" err
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'
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###
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### series T (ls)
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###
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# Setup is carried over from series S.
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test_expect_success 'T: ls root tree' '
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sed -e "s/Z\$//" >expect <<-EOF &&
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040000 tree $(git rev-parse S^{tree}) Z
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EOF
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sha1=$(git rev-parse --verify S) &&
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git fast-import --import-marks=marks <<-EOF >actual &&
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ls $sha1 ""
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EOF
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test_cmp expect actual
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'
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test_done
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