push: propagate remote and refspec with --recurse-submodules

diff --git a/xdiff/xemit.c b/xdiff/xemit.c
index 29cec1259ca9678fd2d73b68e69b37c912e447e3..8c88dbde3827ce9d1b5e4f95287513514b80fac1 100644 (file)
--- a/xdiff/xemit.c
+++ b/xdiff/xemit.c
@@ -22,15 +22,6 @@
 
 #include "xinclude.h"
 
-
-
-
-static long xdl_get_rec(xdfile_t *xdf, long ri, char const **rec);
-static int xdl_emit_record(xdfile_t *xdf, long ri, char const *pre, xdemitcb_t *ecb);
-
-
-
-
 static long xdl_get_rec(xdfile_t *xdf, long ri, char const **rec) {
 
        *rec = xdf->recs[ri]->ptr;
@@ -192,16 +183,14 @@ int xdl_emit_diff(xdfenv_t *xe, xdchange_t *xscr, xdemitcb_t *ecb,
 
                                /*
                                 * We don't need additional context if
-                                * a whole function was added, possibly
-                                * starting with empty lines.
+                                * a whole function was added.
                                 */
-                               while (i2 < xe->xdf2.nrec &&
-                                      is_empty_rec(&xe->xdf2, i2))
+                               while (i2 < xe->xdf2.nrec) {
+                                       if (match_func_rec(&xe->xdf2, xecfg, i2,
+                                               dummy, sizeof(dummy)) >= 0)
+                                               goto post_context_calculation;
                                        i2++;
-                               if (i2 < xe->xdf2.nrec &&
-                                   match_func_rec(&xe->xdf2, xecfg, i2,
-                                                  dummy, sizeof(dummy)) >= 0)
-                                       goto post_context_calculation;
+                               }
 
                                /*
                                 * Otherwise get more context from the
@@ -231,6 +220,8 @@ int xdl_emit_diff(xdfenv_t *xe, xdchange_t *xscr, xdemitcb_t *ecb,
                        long fe1 = get_func_line(xe, xecfg, NULL,
                                                 xche->i1 + xche->chg1,
                                                 xe->xdf1.nrec);
+                       while (fe1 > 0 && is_empty_rec(&xe->xdf1, fe1 - 1))
+                               fe1--;
                        if (fe1 < 0)
                                fe1 = xe->xdf1.nrec;
                        if (fe1 > e1) {
@@ -244,8 +235,9 @@ int xdl_emit_diff(xdfenv_t *xe, xdchange_t *xscr, xdemitcb_t *ecb,
                         * its new end.
                         */
                        if (xche->next) {
-                               long l = xche->next->i1;
-                               if (l <= e1 ||
+                               long l = XDL_MIN(xche->next->i1,
+                                                xe->xdf1.nrec - 1);
+                               if (l - xecfg->ctxlen <= e1 ||
                                    get_func_line(xe, xecfg, NULL, l, e1) < 0) {
                                        xche = xche->next;
                                        goto post_context_calculation;