This uses the low-level mechanism for "ours" and "theirs" autoresolution
introduced by the previous commit to introduce two additional merge
strategies, merge-recursive-ours and merge-recursive-theirs.
Signed-off-by: Junio C Hamano <gitster@xxxxxxxxx>
---
Makefile | 3 ++
builtin-merge-recursive.c | 37 ++++++++++++++++++++++++---
git-merge.sh | 3 +-
git.c | 2 +
ll-merge.c | 24 +++++++++++------
ll-merge.h | 4 ++-
t/t6034-merge-ours-theirs.sh | 56 ++++++++++++++++++++++++++++++++++++++++++
7 files changed, 114 insertions(+), 15 deletions(-)
create mode 100755 t/t6034-merge-ours-theirs.sh
diff --git a/Makefile b/Makefile
index b003e3e..82d2892 100644
--- a/Makefile
+++ b/Makefile
@@ -304,6 +304,8 @@ BUILT_INS += git-format-patch$X
BUILT_INS += git-fsck-objects$X
BUILT_INS += git-get-tar-commit-id$X
BUILT_INS += git-init$X
+BUILT_INS += git-merge-recursive-ours$X
+BUILT_INS += git-merge-recursive-theirs$X
BUILT_INS += git-merge-subtree$X
BUILT_INS += git-peek-remote$X
BUILT_INS += git-repo-config$X
@@ -1381,6 +1383,7 @@ check-docs::
do \
case "$$v" in \
git-merge-octopus | git-merge-ours | git-merge-recursive | \
+ git-merge-recursive-ours | git-merge-recursive-theirs | \
git-merge-resolve | git-merge-stupid | git-merge-subtree | \
git-fsck-objects | git-init-db | \
git-?*--?* ) continue ;; \
diff --git a/builtin-merge-recursive.c b/builtin-merge-recursive.c
index 4aa28a1..a355e7a 100644
--- a/builtin-merge-recursive.c
+++ b/builtin-merge-recursive.c
@@ -20,7 +20,11 @@
#include "attr.h"
#include "merge-recursive.h"
-static int subtree_merge;
+static enum {
+ MERGE_RECURSIVE_SUBTREE = 1,
+ MERGE_RECURSIVE_OURS,
+ MERGE_RECURSIVE_THEIRS,
+} merge_recursive_variants;
static struct tree *shift_tree_object(struct tree *one, struct tree *two)
{
@@ -642,6 +646,7 @@ static int merge_3way(mmbuffer_t *result_buf,
mmfile_t orig, src1, src2;
char *name1, *name2;
int merge_status;
+ int flag, favor;
name1 = xstrdup(mkpath("%s:%s", branch1, a->path));
name2 = xstrdup(mkpath("%s:%s", branch2, b->path));
@@ -650,9 +655,26 @@ static int merge_3way(mmbuffer_t *result_buf,
fill_mm(a->sha1, &src1);
fill_mm(b->sha1, &src2);
+ if (index_only)
+ favor = 0;
+ else {
+ switch (merge_recursive_variants) {
+ case MERGE_RECURSIVE_OURS:
+ favor = XDL_MERGE_FAVOR_OURS;
+ break;
+ case MERGE_RECURSIVE_THEIRS:
+ favor = XDL_MERGE_FAVOR_THEIRS;
+ break;
+ default:
+ favor = 0;
+ break;
+ }
+ }
+ flag = LL_MERGE_FLAGS(index_only, favor);
+
merge_status = ll_merge(result_buf, a->path, &orig,
&src1, name1, &src2, name2,
- index_only);
+ flag);
free(name1);
free(name2);
@@ -1171,7 +1193,7 @@ int merge_trees(struct tree *head,
{
int code, clean;
- if (subtree_merge) {
+ if (merge_recursive_variants == MERGE_RECURSIVE_SUBTREE) {
merge = shift_tree_object(head, merge);
common = shift_tree_object(head, common);
}
@@ -1379,11 +1401,18 @@ int cmd_merge_recursive(int argc, const char **argv, const char *prefix)
struct lock_file *lock = xcalloc(1, sizeof(struct lock_file));
int index_fd;
+ merge_recursive_variants = 0;
if (argv[0]) {
int namelen = strlen(argv[0]);
if (8 < namelen &&
!strcmp(argv[0] + namelen - 8, "-subtree"))
- subtree_merge = 1;
+ merge_recursive_variants = MERGE_RECURSIVE_SUBTREE;
+ else if (5 < namelen &&
+ !strcmp(argv[0] + namelen - 5, "-ours"))
+ merge_recursive_variants = MERGE_RECURSIVE_OURS;
+ else if (7 < namelen &&
+ !strcmp(argv[0] + namelen - 7, "-theirs"))
+ merge_recursive_variants = MERGE_RECURSIVE_THEIRS;
}
git_config(merge_config, NULL);
diff --git a/git-merge.sh b/git-merge.sh
index 8026ccf..39b5cd9 100755
--- a/git-merge.sh
+++ b/git-merge.sh
@@ -31,10 +31,11 @@ LF='
'
all_strategies='recur recursive octopus resolve stupid ours subtree'
+all_strategies="$all_strategies recursive-ours recursive-theirs"
default_twohead_strategies='recursive'
default_octopus_strategies='octopus'
no_fast_forward_strategies='subtree ours'
-no_trivial_strategies='recursive recur subtree ours'
+no_trivial_strategies='recursive recur subtree ours recursive-ours recursive-theirs'
use_strategies=
allow_fast_forward=t
diff --git a/git.c b/git.c
index 59f0fcc..44cb8eb 100644
--- a/git.c
+++ b/git.c
@@ -328,6 +328,8 @@ static void handle_internal_command(int argc, const char **argv)
{ "merge-file", cmd_merge_file },
{ "merge-ours", cmd_merge_ours, RUN_SETUP },
{ "merge-recursive", cmd_merge_recursive, RUN_SETUP | NEED_WORK_TREE },
+ { "merge-recursive-ours", cmd_merge_recursive, RUN_SETUP | NEED_WORK_TREE },
+ { "merge-recursive-theirs", cmd_merge_recursive, RUN_SETUP | NEED_WORK_TREE },
{ "merge-subtree", cmd_merge_recursive, RUN_SETUP | NEED_WORK_TREE },
{ "mv", cmd_mv, RUN_SETUP | NEED_WORK_TREE },
{ "name-rev", cmd_name_rev, RUN_SETUP },
diff --git a/ll-merge.c b/ll-merge.c
index 9837c84..c6a05bf 100644
--- a/ll-merge.c
+++ b/ll-merge.c
@@ -19,7 +19,7 @@ typedef int (*ll_merge_fn)(const struct ll_merge_driver *,
mmfile_t *orig,
mmfile_t *src1, const char *name1,
mmfile_t *src2, const char *name2,
- int virtual_ancestor);
+ int flag);
struct ll_merge_driver {
const char *name;
@@ -39,13 +39,15 @@ static int ll_binary_merge(const struct ll_merge_driver *drv_unused,
mmfile_t *orig,
mmfile_t *src1, const char *name1,
mmfile_t *src2, const char *name2,
- int virtual_ancestor)
+ int flag)
{
/*
* The tentative merge result is "ours" for the final round,
* or common ancestor for an internal merge. Still return
* "conflicted merge" status.
*/
+ int virtual_ancestor = flag & 01;
+
mmfile_t *stolen = virtual_ancestor ? orig : src1;
result->ptr = stolen->ptr;
@@ -60,9 +62,10 @@ static int ll_xdl_merge(const struct ll_merge_driver *drv_unused,
mmfile_t *orig,
mmfile_t *src1, const char *name1,
mmfile_t *src2, const char *name2,
- int virtual_ancestor)
+ int flag)
{
xpparam_t xpp;
+ int favor = ((flag)>>1) & 03;
if (buffer_is_binary(orig->ptr, orig->size) ||
buffer_is_binary(src1->ptr, src1->size) ||
@@ -73,14 +76,15 @@ static int ll_xdl_merge(const struct ll_merge_driver *drv_unused,
path_unused,
orig, src1, name1,
src2, name2,
- virtual_ancestor);
+ flag);
}
memset(&xpp, 0, sizeof(xpp));
return xdl_merge(orig,
src1, name1,
src2, name2,
- &xpp, XDL_MERGE_ZEALOUS,
+ &xpp,
+ XDL_MERGE_FLAGS(XDL_MERGE_ZEALOUS, favor),
result);
}
@@ -90,11 +94,12 @@ static int ll_union_merge(const struct ll_merge_driver *drv_unused,
mmfile_t *orig,
mmfile_t *src1, const char *name1,
mmfile_t *src2, const char *name2,
- int virtual_ancestor)
+ int flag)
{
char *src, *dst;
long size;
const int marker_size = 7;
+ int virtual_ancestor = flag & 01;
int status = ll_xdl_merge(drv_unused, result, path_unused,
orig, src1, NULL, src2, NULL,
@@ -158,7 +163,7 @@ static int ll_ext_merge(const struct ll_merge_driver *fn,
mmfile_t *orig,
mmfile_t *src1, const char *name1,
mmfile_t *src2, const char *name2,
- int virtual_ancestor)
+ int flag)
{
char temp[3][50];
char cmdbuf[2048];
@@ -362,10 +367,11 @@ int ll_merge(mmbuffer_t *result_buf,
mmfile_t *ancestor,
mmfile_t *ours, const char *our_label,
mmfile_t *theirs, const char *their_label,
- int virtual_ancestor)
+ int flag)
{
const char *ll_driver_name;
const struct ll_merge_driver *driver;
+ int virtual_ancestor = flag & 01;
ll_driver_name = git_path_check_merge(path);
driver = find_ll_merge_driver(ll_driver_name);
@@ -375,5 +381,5 @@ int ll_merge(mmbuffer_t *result_buf,
return driver->fn(driver, result_buf, path,
ancestor,
ours, our_label,
- theirs, their_label, virtual_ancestor);
+ theirs, their_label, flag);
}
diff --git a/ll-merge.h b/ll-merge.h
index 5388422..5daef58 100644
--- a/ll-merge.h
+++ b/ll-merge.h
@@ -5,11 +5,13 @@
#ifndef LL_MERGE_H
#define LL_MERGE_H
+#define LL_MERGE_FLAGS(virtual_ancestor,favor) ((!!(virtual_ancestor)) | ((favor)<<1))
+
int ll_merge(mmbuffer_t *result_buf,
const char *path,
mmfile_t *ancestor,
mmfile_t *ours, const char *our_label,
mmfile_t *theirs, const char *their_label,
- int virtual_ancestor);
+ int flag);
#endif
diff --git a/t/t6034-merge-ours-theirs.sh b/t/t6034-merge-ours-theirs.sh
new file mode 100755
index 0000000..56a9247
--- /dev/null
+++ b/t/t6034-merge-ours-theirs.sh
@@ -0,0 +1,56 @@
+#!/bin/sh
+
+test_description='Merge-recursive ours and theirs variants'
+. ./test-lib.sh
+
+test_expect_success setup '
+ for i in 1 2 3 4 5 6 7 8 9
+ do
+ echo "$i"
+ done >file &&
+ git add file &&
+ cp file elif &&
+ git commit -m initial &&
+
+ sed -e "s/1/one/" -e "s/9/nine/" >file <elif &&
+ git commit -a -m ours &&
+
+ git checkout -b side HEAD^ &&
+
+ sed -e "s/9/nueve/" >file <elif &&
+ git commit -a -m theirs &&
+
+ git checkout master^0
+'
+
+test_expect_success 'plain recursive - should conflict' '
+ git reset --hard master &&
+ test_must_fail git merge -s recursive side &&
+ grep nine file &&
+ grep nueve file &&
+ ! grep 9 file &&
+ grep one file &&
+ ! grep 1 file
+'
+
+test_expect_success 'recursive favouring theirs' '
+ git reset --hard master &&
+ git merge -s recursive-theirs side &&
+ ! grep nine file &&
+ grep nueve file &&
+ ! grep 9 file &&
+ grep one file &&
+ ! grep 1 file
+'
+
+test_expect_success 'recursive favouring ours' '
+ git reset --hard master &&
+ git merge -s recursive-ours side &&
+ grep nine file &&
+ ! grep nueve file &&
+ ! grep 9 file &&
+ grep one file &&
+ ! grep 1 file
+'
+
+test_done
--
1.5.6.6.gd3e97
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