author | Junio C Hamano <gitster@pobox.com> | |
Sat, 20 Mar 2010 18:29:34 +0000 (11:29 -0700) | ||
committer | Junio C Hamano <gitster@pobox.com> | |
Sat, 20 Mar 2010 18:29:34 +0000 (11:29 -0700) |
* bw/union-merge-refactor:
merge-file: add option to select union merge favor
merge-file: add option to specify the marker size
refactor merge flags into xmparam_t
make union merge an xdl merge favor
merge-file: add option to select union merge favor
merge-file: add option to specify the marker size
refactor merge flags into xmparam_t
make union merge an xdl merge favor
index 234269ae59234de67ea2cce42edec83cebc400be..f334d694e0160df91d197293e5b76cc0bfaac187 100644 (file)
--------
[verse]
'git merge-file' [-L <current-name> [-L <base-name> [-L <other-name>]]]
- [--ours|--theirs] [-p|--stdout] [-q|--quiet]
+ [--ours|--theirs|--union] [-p|--stdout] [-q|--quiet] [--marker-size=<n>]
<current-file> <base-file> <other-file>
>>>>>>> B
If there are conflicts, the user should edit the result and delete one of
-the alternatives. When `--ours` or `--theirs` option is in effect, however,
-these conflicts are resolved favouring lines from `<current-file>` or
-lines from `<other-file>` respectively.
+the alternatives. When `--ours`, `--theirs`, or `--union` option is in effect,
+however, these conflicts are resolved favouring lines from `<current-file>`,
+lines from `<other-file>`, or lines from both respectively. The length of the
+conflict markers can be given with the `--marker-size` option.
The exit value of this program is negative on error, and the number of
conflicts otherwise. If the merge was clean, the exit value is 0.
--ours::
--theirs::
+--union::
Instead of leaving conflicts in the file, resolve conflicts
- favouring our (or their) side of the lines.
+ favouring our (or their or both) side of the lines.
EXAMPLES
diff --git a/builtin/merge-file.c b/builtin/merge-file.c
index 1e70073a7ed022675031706a8e9f8c57ff3aa2a9..69cc683332a04ddc6959fcef3d2853ccfb2860b8 100644 (file)
--- a/builtin/merge-file.c
+++ b/builtin/merge-file.c
mmbuffer_t result = {NULL, 0};
xmparam_t xmp = {{XDF_NEED_MINIMAL}};
int ret = 0, i = 0, to_stdout = 0;
- int level = XDL_MERGE_ZEALOUS_ALNUM;
- int style = 0, quiet = 0;
- int favor = 0;
+ int quiet = 0;
int nongit;
-
struct option options[] = {
OPT_BOOLEAN('p', "stdout", &to_stdout, "send results to standard output"),
- OPT_SET_INT(0, "diff3", &style, "use a diff3 based merge", XDL_MERGE_DIFF3),
- OPT_SET_INT(0, "ours", &favor, "for conflicts, use our version",
+ OPT_SET_INT(0, "diff3", &xmp.style, "use a diff3 based merge", XDL_MERGE_DIFF3),
+ OPT_SET_INT(0, "ours", &xmp.favor, "for conflicts, use our version",
XDL_MERGE_FAVOR_OURS),
- OPT_SET_INT(0, "theirs", &favor, "for conflicts, use their version",
+ OPT_SET_INT(0, "theirs", &xmp.favor, "for conflicts, use their version",
XDL_MERGE_FAVOR_THEIRS),
+ OPT_SET_INT(0, "union", &xmp.favor, "for conflicts, use a union version",
+ XDL_MERGE_FAVOR_UNION),
+ OPT_INTEGER(0, "marker-size", &xmp.marker_size,
+ "for conflicts, use this marker size"),
OPT__QUIET(&quiet),
OPT_CALLBACK('L', NULL, names, "name",
"set labels for file1/orig_file/file2", &label_cb),
OPT_END(),
};
+ xmp.level = XDL_MERGE_ZEALOUS_ALNUM;
+ xmp.style = 0;
+ xmp.favor = 0;
+
prefix = setup_git_directory_gently(&nongit);
if (!nongit) {
/* Read the configuration file */
git_config(git_xmerge_config, NULL);
if (0 <= git_xmerge_style)
- style = git_xmerge_style;
+ xmp.style = git_xmerge_style;
}
argc = parse_options(argc, argv, prefix, options, merge_file_usage, 0);
}
ret = xdl_merge(mmfs + 1, mmfs + 0, names[0], mmfs + 2, names[2],
- &xmp, XDL_MERGE_FLAGS(level, style, favor), &result);
+ &xmp, &result);
for (i = 0; i < 3; i++)
free(mmfs[i].ptr);
diff --git a/ll-merge.c b/ll-merge.c
index 4c7f11ba84c67089dce7d725d87a4dd32a245c7f..82c7742e41f4645e7d6086bb277437a84ff4f03b 100644 (file)
--- a/ll-merge.c
+++ b/ll-merge.c
int flag, int marker_size)
{
xmparam_t xmp;
- int style = 0;
- int favor = (flag >> 1) & 03;
if (buffer_is_binary(orig->ptr, orig->size) ||
buffer_is_binary(src1->ptr, src1->size) ||
}
memset(&xmp, 0, sizeof(xmp));
+ xmp.level = XDL_MERGE_ZEALOUS;
+ xmp.favor= (flag >> 1) & 03;
if (git_xmerge_style >= 0)
- style = git_xmerge_style;
+ xmp.style = git_xmerge_style;
if (marker_size > 0)
xmp.marker_size = marker_size;
- return xdl_merge(orig,
- src1, name1,
- src2, name2,
- &xmp, XDL_MERGE_FLAGS(XDL_MERGE_ZEALOUS, style, favor),
- result);
+ return xdl_merge(orig, src1, name1, src2, name2, &xmp, result);
}
static int ll_union_merge(const struct ll_merge_driver *drv_unused,
mmfile_t *src2, const char *name2,
int flag, int marker_size)
{
- char *src, *dst;
- long size;
- int status, saved_style;
-
- /* We have to force the RCS "merge" style */
- saved_style = git_xmerge_style;
- git_xmerge_style = 0;
- status = ll_xdl_merge(drv_unused, result, path_unused,
- orig, src1, NULL, src2, NULL,
- flag, marker_size);
- git_xmerge_style = saved_style;
- if (status <= 0)
- return status;
- size = result->size;
- src = dst = result->ptr;
- while (size) {
- char ch;
- if ((marker_size < size) &&
- (*src == '<' || *src == '=' || *src == '>')) {
- int i;
- ch = *src;
- for (i = 0; i < marker_size; i++)
- if (src[i] != ch)
- goto not_a_marker;
- if (src[marker_size] != '\n')
- goto not_a_marker;
- src += marker_size + 1;
- size -= marker_size + 1;
- continue;
- }
- not_a_marker:
- do {
- ch = *src++;
- *dst++ = ch;
- size--;
- } while (ch != '\n' && size);
- }
- result->size = dst - result->ptr;
+ /* Use union favor */
+ flag = (flag & 1) | (XDL_MERGE_FAVOR_UNION << 1);
+ return ll_xdl_merge(drv_unused, result, path_unused,
+ orig, src1, NULL, src2, NULL,
+ flag, marker_size);
return 0;
}
diff --git a/t/t6023-merge-file.sh b/t/t6023-merge-file.sh
index d605024cf8d5375a2cd321e5541256c7fe23556a..5034dd1352c275beca4d5dae805cad6573a89aca 100755 (executable)
--- a/t/t6023-merge-file.sh
+++ b/t/t6023-merge-file.sh
test_cmp expect actual
'
+cat >expect <<\EOF
+Dominus regit me,
+<<<<<<<<<< new8.txt
+et nihil mihi deerit;
+
+
+
+
+In loco pascuae ibi me collocavit;
+super aquam refectionis educavit me.
+||||||||||
+et nihil mihi deerit.
+In loco pascuae ibi me collocavit,
+super aquam refectionis educavit me;
+==========
+et nihil mihi deerit,
+
+
+
+
+In loco pascuae ibi me collocavit --
+super aquam refectionis educavit me,
+>>>>>>>>>> new9.txt
+animam meam convertit,
+deduxit me super semitas jusitiae,
+propter nomen suum.
+Nam et si ambulavero in medio umbrae mortis,
+non timebo mala, quoniam TU mecum es:
+virga tua et baculus tuus ipsa me consolata sunt.
+EOF
+
+test_expect_success 'marker size' '
+ test_must_fail git merge-file -p --marker-size=10 \
+ new8.txt new5.txt new9.txt >actual &&
+ test_cmp expect actual
+'
+
test_done
diff --git a/xdiff/xdiff.h b/xdiff/xdiff.h
index 3f6229edbeb21bb1ca0c423d88390f3b5a05b5a2..a71763ade835fd93ef291106298647408ada08e9 100644 (file)
--- a/xdiff/xdiff.h
+++ b/xdiff/xdiff.h
#define XDL_MERGE_EAGER 1
#define XDL_MERGE_ZEALOUS 2
#define XDL_MERGE_ZEALOUS_ALNUM 3
-#define XDL_MERGE_LEVEL_MASK 0x0f
/* merge favor modes */
#define XDL_MERGE_FAVOR_OURS 1
#define XDL_MERGE_FAVOR_THEIRS 2
-#define XDL_MERGE_FAVOR(flags) (((flags)>>4) & 3)
-#define XDL_MERGE_FLAGS(level, style, favor) ((level)|(style)|((favor)<<4))
+#define XDL_MERGE_FAVOR_UNION 3
/* merge output styles */
-#define XDL_MERGE_DIFF3 0x8000
-#define XDL_MERGE_STYLE_MASK 0x8000
+#define XDL_MERGE_DIFF3 1
typedef struct s_mmfile {
char *ptr;
typedef struct s_xmparam {
xpparam_t xpp;
int marker_size;
+ int level;
+ int favor;
+ int style;
} xmparam_t;
#define DEFAULT_CONFLICT_MARKER_SIZE 7
int xdl_merge(mmfile_t *orig, mmfile_t *mf1, const char *name1,
mmfile_t *mf2, const char *name2,
- xmparam_t const *xmp, int flags, mmbuffer_t *result);
+ xmparam_t const *xmp, mmbuffer_t *result);
#ifdef __cplusplus
}
diff --git a/xdiff/xmerge.c b/xdiff/xmerge.c
index 8cbe45e6755487dbe3759398375a11d05f6d91bc..87cafa7021468d00a11c72dfdc1df05f1ede0fea 100644 (file)
--- a/xdiff/xmerge.c
+++ b/xdiff/xmerge.c
* 0 = conflict,
* 1 = no conflict, take first,
* 2 = no conflict, take second.
+ * 3 = no conflict, take both.
*/
int mode;
/*
size = fill_conflict_hunk(xe1, name1, xe2, name2,
size, i, style, m, dest,
marker_size);
- else if (m->mode == 1)
- size += xdl_recs_copy(xe1, i, m->i1 + m->chg1 - i, 0,
+ else if (m->mode & 3) {
+ /* Before conflicting part */
+ size += xdl_recs_copy(xe1, i, m->i1 - i, 0,
dest ? dest + size : NULL);
- else if (m->mode == 2)
- size += xdl_recs_copy(xe2, m->i2 - m->i1 + i,
- m->i1 + m->chg2 - i, 0,
- dest ? dest + size : NULL);
- else
+ /* Postimage from side #1 */
+ if (m->mode & 1)
+ size += xdl_recs_copy(xe1, m->i1, m->chg1, 1,
+ dest ? dest + size : NULL);
+ /* Postimage from side #2 */
+ if (m->mode & 2)
+ size += xdl_recs_copy(xe2, m->i2, m->chg2, 1,
+ dest ? dest + size : NULL);
+ } else
continue;
i = m->i1 + m->chg1;
}
*/
static int xdl_do_merge(xdfenv_t *xe1, xdchange_t *xscr1, const char *name1,
xdfenv_t *xe2, xdchange_t *xscr2, const char *name2,
- int flags, xmparam_t const *xmp, mmbuffer_t *result) {
+ xmparam_t const *xmp, mmbuffer_t *result) {
xdmerge_t *changes, *c;
xpparam_t const *xpp = &xmp->xpp;
int i0, i1, i2, chg0, chg1, chg2;
- int level = flags & XDL_MERGE_LEVEL_MASK;
- int style = flags & XDL_MERGE_STYLE_MASK;
- int favor = XDL_MERGE_FAVOR(flags);
+ int level = xmp->level;
+ int style = xmp->style;
+ int favor = xmp->favor;
if (style == XDL_MERGE_DIFF3) {
/*
int xdl_merge(mmfile_t *orig, mmfile_t *mf1, const char *name1,
mmfile_t *mf2, const char *name2,
- xmparam_t const *xmp, int flags, mmbuffer_t *result) {
+ xmparam_t const *xmp, mmbuffer_t *result) {
xdchange_t *xscr1, *xscr2;
xdfenv_t xe1, xe2;
int status;
} else {
status = xdl_do_merge(&xe1, xscr1, name1,
&xe2, xscr2, name2,
- flags, xmp, result);
+ xmp, result);
}
xdl_free_script(xscr1);
xdl_free_script(xscr2);