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-rw-r--r--fast-import.c34
-rwxr-xr-xt/t9300-fast-import.sh30
2 files changed, 55 insertions, 9 deletions
diff --git a/fast-import.c b/fast-import.c
index aaf47c5745..cb947c10d7 100644
--- a/fast-import.c
+++ b/fast-import.c
@@ -1437,6 +1437,20 @@ static void store_tree(struct tree_entry *root)
t->entry_count -= del;
}
+static void tree_content_replace(
+ struct tree_entry *root,
+ const unsigned char *sha1,
+ const uint16_t mode,
+ struct tree_content *newtree)
+{
+ if (!S_ISDIR(mode))
+ die("Root cannot be a non-directory");
+ hashcpy(root->versions[1].sha1, sha1);
+ if (root->tree)
+ release_tree_content_recursive(root->tree);
+ root->tree = newtree;
+}
+
static int tree_content_set(
struct tree_entry *root,
const char *p,
@@ -1454,15 +1468,6 @@ static int tree_content_set(
n = slash1 - p;
else
n = strlen(p);
- if (!slash1 && !n) {
- if (!S_ISDIR(mode))
- die("Root cannot be a non-directory");
- hashcpy(root->versions[1].sha1, sha1);
- if (root->tree)
- release_tree_content_recursive(root->tree);
- root->tree = subtree;
- return 1;
- }
if (!n)
die("Empty path component found in input");
if (!slash1 && !S_ISDIR(mode) && subtree)
@@ -2230,6 +2235,10 @@ static void file_change_m(struct branch *b)
command_buf.buf);
}
+ if (!*p) {
+ tree_content_replace(&b->branch_tree, sha1, mode, NULL);
+ return;
+ }
tree_content_set(&b->branch_tree, p, sha1, mode, NULL);
}
@@ -2288,6 +2297,13 @@ static void file_change_cr(struct branch *b, int rename)
tree_content_get(&b->branch_tree, s, &leaf);
if (!leaf.versions[1].mode)
die("Path %s not in branch", s);
+ if (!*d) { /* C "path/to/subdir" "" */
+ tree_content_replace(&b->branch_tree,
+ leaf.versions[1].sha1,
+ leaf.versions[1].mode,
+ leaf.tree);
+ return;
+ }
tree_content_set(&b->branch_tree, d,
leaf.versions[1].sha1,
leaf.versions[1].mode,
diff --git a/t/t9300-fast-import.sh b/t/t9300-fast-import.sh
index 1df11adc90..ce094577e0 100755
--- a/t/t9300-fast-import.sh
+++ b/t/t9300-fast-import.sh
@@ -929,6 +929,20 @@ test_expect_success \
compare_diff_raw expect actual'
test_expect_success \
+ 'N: reject foo/ syntax' \
+ 'subdir=$(git rev-parse refs/heads/branch^0:file2) &&
+ test_must_fail git fast-import <<-INPUT_END
+ commit refs/heads/N5B
+ committer $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> $GIT_COMMITTER_DATE
+ data <<COMMIT
+ copy with invalid syntax
+ COMMIT
+
+ from refs/heads/branch^0
+ M 040000 $subdir file3/
+ INPUT_END'
+
+test_expect_success \
'N: copy to root by id and modify' \
'echo "hello, world" >expect.foo &&
echo hello >expect.bar &&
@@ -965,6 +979,22 @@ test_expect_success \
test_cmp expect.foo actual.foo &&
test_cmp expect.bar actual.bar'
+test_expect_success \
+ 'N: extract subtree' \
+ 'branch=$(git rev-parse --verify refs/heads/branch^{tree}) &&
+ cat >input <<-INPUT_END &&
+ commit refs/heads/N9
+ committer $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> $GIT_COMMITTER_DATE
+ data <<COMMIT
+ extract subtree branch:newdir
+ COMMIT
+
+ M 040000 $branch ""
+ R "newdir" ""
+ INPUT_END
+ git fast-import <input &&
+ git diff --exit-code branch:newdir N9'
+
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