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-rw-r--r--combine-diff.c37
-rwxr-xr-xt/t4048-diff-combined-binary.sh113
2 files changed, 148 insertions, 2 deletions
diff --git a/combine-diff.c b/combine-diff.c
index 2183184eed..94a207f477 100644
--- a/combine-diff.c
+++ b/combine-diff.c
@@ -7,6 +7,7 @@
#include "xdiff-interface.h"
#include "log-tree.h"
#include "refs.h"
+#include "userdiff.h"
static struct combine_diff_path *intersect_paths(struct combine_diff_path *curr, int n, int num_parent)
{
@@ -685,7 +686,8 @@ static void show_combined_header(struct combine_diff_path *elem,
int num_parent,
int dense,
struct rev_info *rev,
- int mode_differs)
+ int mode_differs,
+ int show_file_header)
{
struct diff_options *opt = &rev->diffopt;
int abbrev = DIFF_OPT_TST(opt, FULL_INDEX) ? 40 : DEFAULT_ABBREV;
@@ -739,6 +741,9 @@ static void show_combined_header(struct combine_diff_path *elem,
printf("%s\n", c_reset);
}
+ if (!show_file_header)
+ return;
+
if (added)
dump_quoted_path("--- ", "", "/dev/null",
c_meta, c_reset);
@@ -765,8 +770,13 @@ static void show_patch_diff(struct combine_diff_path *elem, int num_parent,
int i, show_hunks;
int working_tree_file = is_null_sha1(elem->sha1);
mmfile_t result_file;
+ struct userdiff_driver *userdiff;
+ int is_binary;
context = opt->context;
+ userdiff = userdiff_find_by_path(elem->path);
+ if (!userdiff)
+ userdiff = userdiff_find_by_name("default");
/* Read the result of merge first */
if (!working_tree_file)
@@ -852,6 +862,29 @@ static void show_patch_diff(struct combine_diff_path *elem, int num_parent,
}
}
+ if (userdiff->binary != -1)
+ is_binary = userdiff->binary;
+ else {
+ is_binary = buffer_is_binary(result, result_size);
+ for (i = 0; !is_binary && i < num_parent; i++) {
+ char *buf;
+ unsigned long size;
+ buf = grab_blob(elem->parent[i].sha1,
+ elem->parent[i].mode,
+ &size);
+ if (buffer_is_binary(buf, size))
+ is_binary = 1;
+ free(buf);
+ }
+ }
+ if (is_binary) {
+ show_combined_header(elem, num_parent, dense, rev,
+ mode_differs, 0);
+ printf("Binary files differ\n");
+ free(result);
+ return;
+ }
+
for (cnt = 0, cp = result; cp < result + result_size; cp++) {
if (*cp == '\n')
cnt++;
@@ -906,7 +939,7 @@ static void show_patch_diff(struct combine_diff_path *elem, int num_parent,
if (show_hunks || mode_differs || working_tree_file) {
show_combined_header(elem, num_parent, dense, rev,
- mode_differs);
+ mode_differs, 1);
dump_sline(sline, cnt, num_parent,
DIFF_OPT_TST(opt, COLOR_DIFF), result_deleted);
}
diff --git a/t/t4048-diff-combined-binary.sh b/t/t4048-diff-combined-binary.sh
new file mode 100755
index 0000000000..a943994b07
--- /dev/null
+++ b/t/t4048-diff-combined-binary.sh
@@ -0,0 +1,113 @@
+#!/bin/sh
+
+test_description='combined and merge diff handle binary files and textconv'
+. ./test-lib.sh
+
+test_expect_success 'setup binary merge conflict' '
+ echo oneQ1 | q_to_nul >binary &&
+ git add binary &&
+ git commit -m one &&
+ echo twoQ2 | q_to_nul >binary &&
+ git commit -a -m two &&
+ git checkout -b branch-binary HEAD^ &&
+ echo threeQ3 | q_to_nul >binary &&
+ git commit -a -m three &&
+ test_must_fail git merge master &&
+ echo resolvedQhooray | q_to_nul >binary &&
+ git commit -a -m resolved
+'
+
+cat >expect <<'EOF'
+resolved
+
+diff --git a/binary b/binary
+index 7ea6ded..9563691 100644
+Binary files a/binary and b/binary differ
+resolved
+
+diff --git a/binary b/binary
+index 6197570..9563691 100644
+Binary files a/binary and b/binary differ
+EOF
+test_expect_success 'diff -m indicates binary-ness' '
+ git show --format=%s -m >actual &&
+ test_cmp expect actual
+'
+
+cat >expect <<'EOF'
+resolved
+
+diff --combined binary
+index 7ea6ded,6197570..9563691
+Binary files differ
+EOF
+test_expect_success 'diff -c indicates binary-ness' '
+ git show --format=%s -c >actual &&
+ test_cmp expect actual
+'
+
+cat >expect <<'EOF'
+resolved
+
+diff --cc binary
+index 7ea6ded,6197570..9563691
+Binary files differ
+EOF
+test_expect_success 'diff --cc indicates binary-ness' '
+ git show --format=%s --cc >actual &&
+ test_cmp expect actual
+'
+
+test_expect_success 'setup non-binary with binary attribute' '
+ git checkout master &&
+ test_commit one text &&
+ test_commit two text &&
+ git checkout -b branch-text HEAD^ &&
+ test_commit three text &&
+ test_must_fail git merge master &&
+ test_commit resolved text &&
+ echo text -diff >.gitattributes
+'
+
+cat >expect <<'EOF'
+resolved
+
+diff --git a/text b/text
+index 2bdf67a..2ab19ae 100644
+Binary files a/text and b/text differ
+resolved
+
+diff --git a/text b/text
+index f719efd..2ab19ae 100644
+Binary files a/text and b/text differ
+EOF
+test_expect_success 'diff -m respects binary attribute' '
+ git show --format=%s -m >actual &&
+ test_cmp expect actual
+'
+
+cat >expect <<'EOF'
+resolved
+
+diff --combined text
+index 2bdf67a,f719efd..2ab19ae
+Binary files differ
+EOF
+test_expect_success 'diff -c respects binary attribute' '
+ git show --format=%s -c >actual &&
+ test_cmp expect actual
+'
+
+cat >expect <<'EOF'
+resolved
+
+diff --cc text
+index 2bdf67a,f719efd..2ab19ae
+Binary files differ
+EOF
+test_expect_success 'diff --cc respects binary attribute' '
+ git show --format=%s --cc >actual &&
+ test_cmp expect actual
+'
+
+test_done