diff options
-rw-r--r-- | Documentation/git-merge-file.txt | 12 | ||||
-rw-r--r-- | builtin/merge-file.c | 23 | ||||
-rw-r--r-- | ll-merge.c | 55 | ||||
-rwxr-xr-x | t/t6023-merge-file.sh | 37 | ||||
-rw-r--r-- | xdiff/xdiff.h | 12 | ||||
-rw-r--r-- | xdiff/xmerge.c | 32 |
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); |