#include "quote.h"
#include "xdiff-interface.h"
#include "log-tree.h"
+ #include "refs.h"
static struct combine_diff_path *intersect_paths(struct combine_diff_path *curr, int n, int num_parent)
{
unsigned long *p_lno;
};
- static char *grab_blob(const unsigned char *sha1, unsigned long *size)
+ static char *grab_blob(const unsigned char *sha1, unsigned int mode, unsigned long *size)
{
char *blob;
enum object_type type;
- if (is_null_sha1(sha1)) {
+
+ if (S_ISGITLINK(mode)) {
+ blob = xmalloc(100);
+ *size = snprintf(blob, 100,
+ "Subproject commit %s\n", sha1_to_hex(sha1));
+ } else if (is_null_sha1(sha1)) {
/* deleted blob */
*size = 0;
return xcalloc(1, 1);
+ } else {
+ blob = read_sha1_file(sha1, &type, size);
+ if (type != OBJ_BLOB)
+ die("object '%s' is not a blob!", sha1_to_hex(sha1));
}
- blob = read_sha1_file(sha1, &type, size);
- if (type != OBJ_BLOB)
- die("object '%s' is not a blob!", sha1_to_hex(sha1));
return blob;
}
}
struct combine_diff_state {
- struct xdiff_emit_state xm;
-
unsigned int lno;
int ob, on, nb, nn;
unsigned long nmask;
}
}
- static void combine_diff(const unsigned char *parent, mmfile_t *result_file,
+ static void combine_diff(const unsigned char *parent, unsigned int mode,
+ mmfile_t *result_file,
struct sline *sline, unsigned int cnt, int n,
int num_parent)
{
if (!cnt)
return; /* result deleted */
- parent_file.ptr = grab_blob(parent, &sz);
+ parent_file.ptr = grab_blob(parent, mode, &sz);
parent_file.size = sz;
+ memset(&xpp, 0, sizeof(xpp));
xpp.flags = XDF_NEED_MINIMAL;
memset(&xecfg, 0, sizeof(xecfg));
- ecb.outf = xdiff_outf;
- ecb.priv = &state;
memset(&state, 0, sizeof(state));
- state.xm.consume = consume_line;
state.nmask = nmask;
state.sline = sline;
state.lno = 1;
state.num_parent = num_parent;
state.n = n;
- xdi_diff(&parent_file, result_file, &xpp, &xecfg, &ecb);
+ xdi_diff_outf(&parent_file, result_file, consume_line, &state,
+ &xpp, &xecfg, &ecb);
free(parent_file.ptr);
/* Assign line numbers for this parent.
int i, show_hunks;
int working_tree_file = is_null_sha1(elem->sha1);
int abbrev = DIFF_OPT_TST(opt, FULL_INDEX) ? 40 : DEFAULT_ABBREV;
+ const char *a_prefix, *b_prefix;
mmfile_t result_file;
context = opt->context;
+ a_prefix = opt->a_prefix ? opt->a_prefix : "a/";
+ b_prefix = opt->b_prefix ? opt->b_prefix : "b/";
+
/* Read the result of merge first */
if (!working_tree_file)
- result = grab_blob(elem->sha1, &result_size);
+ result = grab_blob(elem->sha1, elem->mode, &result_size);
else {
/* Used by diff-tree to read from the working tree */
struct stat st;
goto deleted_file;
if (S_ISLNK(st.st_mode)) {
- size_t len = xsize_t(st.st_size);
- result_size = len;
- result = xmalloc(len + 1);
- if (result_size != readlink(elem->path, result, len)) {
+ struct strbuf buf = STRBUF_INIT;
+
+ if (strbuf_readlink(&buf, elem->path, st.st_size) < 0) {
error("readlink(%s): %s", elem->path,
strerror(errno));
return;
}
- result[len] = 0;
+ result_size = buf.len;
+ result = strbuf_detach(&buf, NULL);
elem->mode = canon_mode(st.st_mode);
- }
- else if (0 <= (fd = open(elem->path, O_RDONLY)) &&
- !fstat(fd, &st)) {
+ } else if (S_ISDIR(st.st_mode)) {
+ unsigned char sha1[20];
+ if (resolve_gitlink_ref(elem->path, "HEAD", sha1) < 0)
+ result = grab_blob(elem->sha1, elem->mode, &result_size);
+ else
+ result = grab_blob(sha1, elem->mode, &result_size);
+ } else if (0 <= (fd = open(elem->path, O_RDONLY))) {
size_t len = xsize_t(st.st_size);
ssize_t done;
int is_file, i;
/* If not a fake symlink, apply filters, e.g. autocrlf */
if (is_file) {
- struct strbuf buf;
+ struct strbuf buf = STRBUF_INIT;
- strbuf_init(&buf, 0);
if (convert_to_git(elem->path, result, len, &buf, safe_crlf)) {
free(result);
result = strbuf_detach(&buf, &len);
}
}
if (i <= j)
- combine_diff(elem->parent[i].sha1, &result_file, sline,
+ combine_diff(elem->parent[i].sha1,
+ elem->parent[i].mode,
+ &result_file, sline,
cnt, i, num_parent);
if (elem->parent[i].mode != elem->mode)
mode_differs = 1;
dump_quoted_path("--- ", "", "/dev/null",
c_meta, c_reset);
else
- dump_quoted_path("--- ", opt->a_prefix, elem->path,
+ dump_quoted_path("--- ", a_prefix, elem->path,
c_meta, c_reset);
if (deleted)
dump_quoted_path("+++ ", "", "/dev/null",
c_meta, c_reset);
else
- dump_quoted_path("+++ ", opt->b_prefix, elem->path,
+ dump_quoted_path("+++ ", b_prefix, elem->path,
c_meta, c_reset);
dump_sline(sline, cnt, num_parent,
DIFF_OPT_TST(opt, COLOR_DIFF));
test_description='difference in submodules'
. ./test-lib.sh
-. ../diff-lib.sh
+. "$TEST_DIRECTORY"/diff-lib.sh
_z40=0000000000000000000000000000000000000000
test_expect_success setup '
test_cmp empty actual.empty
'
+ test_expect_success 'conflicted submodule setup' '
+
+ # 39 efs
+ c=fffffffffffffffffffffffffffffffffffffff
+ (
+ echo "000000 $_z40 0 sub"
+ echo "160000 1$c 1 sub"
+ echo "160000 2$c 2 sub"
+ echo "160000 3$c 3 sub"
+ ) | git update-index --index-info &&
+ echo >expect.nosub '\''diff --cc sub
+ index 2ffffff,3ffffff..0000000
+ --- a/sub
+ +++ b/sub
+ @@@ -1,1 -1,1 +1,1 @@@
+ - Subproject commit 2fffffffffffffffffffffffffffffffffffffff
+ -Subproject commit 3fffffffffffffffffffffffffffffffffffffff
+ ++Subproject commit 0000000000000000000000000000000000000000'\'' &&
+
+ hh=$(git rev-parse HEAD) &&
+ sed -e "s/$_z40/$hh/" expect.nosub >expect.withsub
+
+ '
+
+ test_expect_success 'combined (empty submodule)' '
+ rm -fr sub && mkdir sub &&
+ git diff >actual &&
+ test_cmp expect.nosub actual
+ '
+
+ test_expect_success 'combined (with submodule)' '
+ rm -fr sub &&
+ git clone --no-checkout . sub &&
+ git diff >actual &&
+ test_cmp expect.withsub actual
+ '
+
+
+
test_done