t6042: Add a testcase where undetected rename causes silent file deletion

diff --git a/xdiff-interface.c b/xdiff-interface.c
index cd2285de1cb1faa9f7c6c97dd22210f20bb046a3..0e2c169227ad29b5bf546c6c1b97e1a1d8ed7409 100644 (file)
--- a/xdiff-interface.c
+++ b/xdiff-interface.c
@@ -212,8 +212,10 @@ int read_mmfile(mmfile_t *ptr, const char *filename)
                return error("Could not open %s", filename);
        sz = xsize_t(st.st_size);
        ptr->ptr = xmalloc(sz ? sz : 1);
-       if (sz && fread(ptr->ptr, sz, 1, f) != 1)
+       if (sz && fread(ptr->ptr, sz, 1, f) != 1) {
+               fclose(f);
                return error("Could not read %s", filename);
+       }
        fclose(f);
        ptr->size = sz;
        return 0;
@@ -286,9 +288,8 @@ static long ff_regexp(const char *line, long len,
        result = pmatch[i].rm_eo - pmatch[i].rm_so;
        if (result > buffer_size)
                result = buffer_size;
-       else
-               while (result > 0 && (isspace(line[result - 1])))
-                       result--;
+       while (result > 0 && (isspace(line[result - 1])))
+               result--;
        memcpy(buffer, line, result);
  fail:
        free(line_buffer);
@@ -346,7 +347,7 @@ int git_xmerge_style = -1;
 
 int git_xmerge_config(const char *var, const char *value, void *cb)
 {
-       if (!strcasecmp(var, "merge.conflictstyle")) {
+       if (!strcmp(var, "merge.conflictstyle")) {
                if (!value)
                        die("'%s' is not a boolean", var);
                if (!strcmp(value, "diff3"))