skip_prefix: add case-insensitive variant

diff --git a/read-cache.c b/read-cache.c
index 0d0081a11b858227d3f55ebbc21f04bd49875f68..6238df448f8d7954b28630749336eceab70c67f3 100644 (file)
--- a/read-cache.c
+++ b/read-cache.c
@@ -2187,9 +2187,10 @@ void update_index_if_able(struct index_state *istate, struct lock_file *lockfile
                rollback_lock_file(lockfile);
 }
 
-static int do_write_index(struct index_state *istate, int newfd,
+static int do_write_index(struct index_state *istate, struct tempfile *tempfile,
                          int strip_extensions)
 {
+       int newfd = tempfile->fd;
        git_SHA_CTX c;
        struct cache_header hdr;
        int i, err, removed, extended, hdr_version;
@@ -2298,7 +2299,11 @@ static int do_write_index(struct index_state *istate, int newfd,
                        return -1;
        }
 
-       if (ce_flush(&c, newfd, istate->sha1) || fstat(newfd, &st))
+       if (ce_flush(&c, newfd, istate->sha1))
+               return -1;
+       if (close_tempfile(tempfile))
+               return error(_("could not close '%s'"), tempfile->filename.buf);
+       if (stat(tempfile->filename.buf, &st))
                return -1;
        istate->timestamp.sec = (unsigned int)st.st_mtime;
        istate->timestamp.nsec = ST_MTIME_NSEC(st);
@@ -2321,7 +2326,7 @@ static int commit_locked_index(struct lock_file *lk)
 static int do_write_locked_index(struct index_state *istate, struct lock_file *lock,
                                 unsigned flags)
 {
-       int ret = do_write_index(istate, get_lock_file_fd(lock), 0);
+       int ret = do_write_index(istate, &lock->tempfile, 0);
        if (ret)
                return ret;
        assert((flags & (COMMIT_LOCK | CLOSE_LOCK)) !=
@@ -2418,9 +2423,17 @@ static int write_shared_index(struct index_state *istate,
                return do_write_locked_index(istate, lock, flags);
        }
        move_cache_to_base_index(istate);
-       ret = do_write_index(si->base, fd, 1);
+       ret = do_write_index(si->base, &temporary_sharedindex, 1);
+       if (ret) {
+               delete_tempfile(&temporary_sharedindex);
+               return ret;
+       }
+       ret = adjust_shared_perm(get_tempfile_path(&temporary_sharedindex));
        if (ret) {
+               int save_errno = errno;
+               error("cannot fix permission bits on %s", get_tempfile_path(&temporary_sharedindex));
                delete_tempfile(&temporary_sharedindex);
+               errno = save_errno;
                return ret;
        }
        ret = rename_tempfile(&temporary_sharedindex,