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Merge branch 'rs/xdiff-ignore-ws-w-func-context'

Browse Source 
The "diff" machinery learned not to lose added/removed blank lines
in the context when --ignore-blank-lines and --function-context are
used at the same time.

* rs/xdiff-ignore-ws-w-func-context:
  xdiff: unignore changes in function context
This commit is contained in:
Junio C Hamano
2019-12-16 13:08:32 -08:00
parent 71a7de7a99 0bb313a552
commit f0070a7df9
2 changed files with 18 additions and 5 deletions
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17
xdiff/xemit.c
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@@ -172,10 +172,12 @@ int xdl_emit_diff(xdfenv_t *xe, xdchange_t *xscr, xdemitcb_t *ecb,
struct func_line func_line = { 0 };
for (xch = xscr; xch; xch = xche->next) {
xdchange_t *xchp = xch;
xche = xdl_get_hunk(&xch, xecfg);
if (!xch)
break;
pre_context_calculation:
s1 = XDL_MAX(xch->i1 - xecfg->ctxlen, 0);
s2 = XDL_MAX(xch->i2 - xecfg->ctxlen, 0);
@@ -212,6 +214,21 @@ int xdl_emit_diff(xdfenv_t *xe, xdchange_t *xscr, xdemitcb_t *ecb,
if (fs1 < s1) {
s2 = XDL_MAX(s2 - (s1 - fs1), 0);
s1 = fs1;
/*
* Did we extend context upwards into an
* ignored change?
*/
while (xchp != xch &&
xchp->i1 + xchp->chg1 <= s1 &&
xchp->i2 + xchp->chg2 <= s2)
xchp = xchp->next;
/* If so, show it after all. */
if (xchp != xch) {
xch = xchp;
goto pre_context_calculation;
}
}
}