merge: remove direct rustmod reference
We shouldn't rely on this member being present in `dirstate.py`, this creates
unnecessary coupling.
This also can trigger certain issues in edge-cases where the policy is changed
at runtime or multiple Python environments fight, which is an added bonus.
Differential Revision: https://phab.mercurial-scm.org/D12217
from __future__ import absolute_import
import cffi
import os
ffi = cffi.FFI()
with open(
os.path.join(os.path.join(os.path.dirname(__file__), '..'), 'bdiff.c')
) as f:
ffi.set_source(
"mercurial.cffi._bdiff", f.read(), include_dirs=['mercurial']
)
ffi.cdef(
"""
struct bdiff_line {
int hash, n, e;
ssize_t len;
const char *l;
};
struct bdiff_hunk;
struct bdiff_hunk {
int a1, a2, b1, b2;
struct bdiff_hunk *next;
};
int bdiff_splitlines(const char *a, ssize_t len, struct bdiff_line **lr);
int bdiff_diff(struct bdiff_line *a, int an, struct bdiff_line *b, int bn,
struct bdiff_hunk *base);
void bdiff_freehunks(struct bdiff_hunk *l);
void free(void*);
"""
)
if __name__ == '__main__':
ffi.compile()