Comments
Patch
@@ -1014,6 +1014,21 @@ static int index_issnapshotrev(indexObje
return index_issnapshotrev(self, base);
}
+static PyObject *index_issnapshot(indexObject *self, PyObject *value)
+{
+ long rev;
+ int issnap;
+
+ if (!pylong_to_long(value, &rev)) {
+ return NULL;
+ }
+ issnap = index_issnapshotrev(self, (Py_ssize_t)rev);
+ if (issnap < 0) {
+ return NULL;
+ };
+ return PyBool_FromLong((long)issnap);
+}
+
static PyObject *index_deltachain(indexObject *self, PyObject *args)
{
int rev, generaldelta;
@@ -2626,6 +2641,8 @@ static PyMethodDef index_methods[] = {
"get head revisions"}, /* Can do filtering since 3.2 */
{"headrevsfiltered", (PyCFunction)index_headrevs, METH_VARARGS,
"get filtered head revisions"}, /* Can always do filtering */
+ {"issnapshot", (PyCFunction)index_issnapshot, METH_O,
+ "True if the object is a snapshot"},
{"deltachain", (PyCFunction)index_deltachain, METH_VARARGS,
"determine revisions with deltas to reconstruct fulltext"},
{"slicechunktodensity", (PyCFunction)index_slicechunktodensity,
@@ -1533,6 +1533,12 @@ class revlog(object):
def issnapshot(self, rev):
"""tells whether rev is a snapshot
"""
+ if not self._generaldelta:
+ return self.deltaparent(rev) == nullrev
+ elif util.safehasattr(self.index, 'issnapshot'):
+ # directly assign the method to cache the testing and access
+ self.issnapshot = self.index.issnapshot
+ return self.issnapshot(rev)
if rev == nullrev:
return True
entry = self.index[rev]