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-rw-r--r--Documentation/git-merge-file.txt12
-rw-r--r--builtin/merge-file.c23
-rw-r--r--ll-merge.c55
-rwxr-xr-xt/t6023-merge-file.sh37
-rw-r--r--xdiff/xdiff.h12
-rw-r--r--xdiff/xmerge.c32
6 files changed, 92 insertions, 79 deletions
diff --git a/Documentation/git-merge-file.txt b/Documentation/git-merge-file.txt
index 234269ae5..f334d694e 100644
--- a/Documentation/git-merge-file.txt
+++ b/Documentation/git-merge-file.txt
@@ -10,7 +10,7 @@ SYNOPSIS
--------
[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>
@@ -35,9 +35,10 @@ normally outputs a warning and brackets the conflict with lines containing
>>>>>>> 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.
@@ -67,8 +68,9 @@ OPTIONS
--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 1e70073a7..69cc68333 100644
--- a/builtin/merge-file.c
+++ b/builtin/merge-file.c
@@ -27,30 +27,35 @@ int cmd_merge_file(int argc, const char **argv, const char *prefix)
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);
@@ -73,7 +78,7 @@ int cmd_merge_file(int argc, const char **argv, const char *prefix)
}
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 4c7f11ba8..82c7742e4 100644
--- a/ll-merge.c
+++ b/ll-merge.c
@@ -63,8 +63,6 @@ static int ll_xdl_merge(const struct ll_merge_driver *drv_unused,
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) ||
@@ -79,15 +77,13 @@ static int ll_xdl_merge(const struct ll_merge_driver *drv_unused,
}
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,
@@ -98,44 +94,11 @@ 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 d605024cf..5034dd135 100755
--- a/t/t6023-merge-file.sh
+++ b/t/t6023-merge-file.sh
@@ -215,4 +215,41 @@ test_expect_success '"diff3 -m" style output (2)' '
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 3f6229edb..a71763ade 100644
--- a/xdiff/xdiff.h
+++ b/xdiff/xdiff.h
@@ -56,17 +56,14 @@ extern "C" {
#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;
@@ -117,13 +114,16 @@ int xdl_diff(mmfile_t *mf1, mmfile_t *mf2, xpparam_t const *xpp,
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 8cbe45e67..87cafa702 100644
--- a/xdiff/xmerge.c
+++ b/xdiff/xmerge.c
@@ -28,6 +28,7 @@ typedef struct s_xdmerge {
* 0 = conflict,
* 1 = no conflict, take first,
* 2 = no conflict, take second.
+ * 3 = no conflict, take both.
*/
int mode;
/*
@@ -230,14 +231,19 @@ static int xdl_fill_merge_buffer(xdfenv_t *xe1, const char *name1,
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;
}
@@ -394,13 +400,13 @@ static int xdl_simplify_non_conflicts(xdfenv_t *xe1, xdmerge_t *m,
*/
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) {
/*
@@ -550,7 +556,7 @@ static int xdl_do_merge(xdfenv_t *xe1, xdchange_t *xscr1, const char *name1,
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;
@@ -587,7 +593,7 @@ int xdl_merge(mmfile_t *orig, mmfile_t *mf1, const char *name1,
} else {
status = xdl_do_merge(&xe1, xscr1, name1,
&xe2, xscr2, name2,
- flags, xmp, result);
+ xmp, result);
}
xdl_free_script(xscr1);
xdl_free_script(xscr2);