Signed-off-by: Miklos Vajna <vmiklos@xxxxxxxxxxxxxx>
---
merge-recursive.c | 139 ++++++++++++++++++++++++++---------------------------
merge-recursive.h | 12 +++++
2 files changed, 80 insertions(+), 71 deletions(-)
diff --git a/merge-recursive.c b/merge-recursive.c
index 5bb20aa..4af657c 100644
--- a/merge-recursive.c
+++ b/merge-recursive.c
@@ -165,17 +165,6 @@ static int add_cacheinfo(unsigned int mode, const unsigned char *sha1,
return add_cache_entry(ce, options);
}
-/*
- * This is a global variable which is used in a number of places but
- * only written to in the 'merge' function.
- *
- * index_only == 1 => Don't leave any non-stage 0 entries in the cache and
- * don't update the working directory.
- * 0 => Leave unmerged entries in the cache and update
- * the working directory.
- */
-static int index_only = 0;
-
static void init_tree_desc_from_tree(struct tree_desc *desc, struct tree *tree)
{
parse_tree(tree);
@@ -428,10 +417,11 @@ static int remove_path(const char *name)
return ret;
}
-static int remove_file(int clean, const char *path, int no_wd)
+static int remove_file(struct merge_options *o, int clean,
+ const char *path, int no_wd)
{
- int update_cache = index_only || clean;
- int update_working_directory = !index_only && !no_wd;
+ int update_cache = o->index_only || clean;
+ int update_working_directory = !o->index_only && !no_wd;
if (update_cache) {
if (remove_file_from_cache(path))
@@ -509,13 +499,14 @@ static int make_room_for_path(const char *path)
return error(msg, path, ": perhaps a D/F conflict?");
}
-static void update_file_flags(const unsigned char *sha,
+static void update_file_flags(struct merge_options *o,
+ const unsigned char *sha,
unsigned mode,
const char *path,
int update_cache,
int update_wd)
{
- if (index_only)
+ if (o->index_only)
update_wd = 0;
if (update_wd) {
@@ -574,12 +565,13 @@ static void update_file_flags(const unsigned char *sha,
add_cacheinfo(mode, sha, path, 0, update_wd, ADD_CACHE_OK_TO_ADD);
}
-static void update_file(int clean,
+static void update_file(struct merge_options *o,
+ int clean,
const unsigned char *sha,
unsigned mode,
const char *path)
{
- update_file_flags(sha, mode, path, index_only || clean, !index_only);
+ update_file_flags(o, sha, mode, path, o->index_only || clean, !o->index_only);
}
/* Low level file merging, update and removal */
@@ -609,8 +601,9 @@ static void fill_mm(const unsigned char *sha1, mmfile_t *mm)
mm->size = size;
}
-static int merge_3way(mmbuffer_t *result_buf,
- struct diff_filespec *o,
+static int merge_3way(struct merge_options *o,
+ mmbuffer_t *result_buf,
+ struct diff_filespec *one,
struct diff_filespec *a,
struct diff_filespec *b,
const char *branch1,
@@ -623,13 +616,13 @@ static int merge_3way(mmbuffer_t *result_buf,
name1 = xstrdup(mkpath("%s:%s", branch1, a->path));
name2 = xstrdup(mkpath("%s:%s", branch2, b->path));
- fill_mm(o->sha1, &orig);
+ fill_mm(one->sha1, &orig);
fill_mm(a->sha1, &src1);
fill_mm(b->sha1, &src2);
merge_status = ll_merge(result_buf, a->path, &orig,
&src1, name1, &src2, name2,
- index_only);
+ o->index_only);
free(name1);
free(name2);
@@ -639,9 +632,12 @@ static int merge_3way(mmbuffer_t *result_buf,
return merge_status;
}
-static struct merge_file_info merge_file(struct diff_filespec *o,
- struct diff_filespec *a, struct diff_filespec *b,
- const char *branch1, const char *branch2)
+static struct merge_file_info merge_file(struct merge_options *o,
+ struct diff_filespec *one,
+ struct diff_filespec *a,
+ struct diff_filespec *b,
+ const char *branch1,
+ const char *branch2)
{
struct merge_file_info result;
result.merge = 0;
@@ -657,31 +653,31 @@ static struct merge_file_info merge_file(struct diff_filespec *o,
hashcpy(result.sha, b->sha1);
}
} else {
- if (!sha_eq(a->sha1, o->sha1) && !sha_eq(b->sha1, o->sha1))
+ if (!sha_eq(a->sha1, one->sha1) && !sha_eq(b->sha1, one->sha1))
result.merge = 1;
/*
* Merge modes
*/
- if (a->mode == b->mode || a->mode == o->mode)
+ if (a->mode == b->mode || a->mode == one->mode)
result.mode = b->mode;
else {
result.mode = a->mode;
- if (b->mode != o->mode) {
+ if (b->mode != one->mode) {
result.clean = 0;
result.merge = 1;
}
}
- if (sha_eq(a->sha1, b->sha1) || sha_eq(a->sha1, o->sha1))
+ if (sha_eq(a->sha1, b->sha1) || sha_eq(a->sha1, one->sha1))
hashcpy(result.sha, b->sha1);
- else if (sha_eq(b->sha1, o->sha1))
+ else if (sha_eq(b->sha1, one->sha1))
hashcpy(result.sha, a->sha1);
else if (S_ISREG(a->mode)) {
mmbuffer_t result_buf;
int merge_status;
- merge_status = merge_3way(&result_buf, o, a, b,
+ merge_status = merge_3way(o, &result_buf, one, a, b,
branch1, branch2);
if ((merge_status < 0) || !result_buf.ptr)
@@ -726,22 +722,22 @@ static void conflict_rename_rename(struct merge_options *o,
dst_name1 = del[delp++] = unique_path(ren1_dst, branch1);
output(o, 1, "%s is a directory in %s adding as %s instead",
ren1_dst, branch2, dst_name1);
- remove_file(0, ren1_dst, 0);
+ remove_file(o, 0, ren1_dst, 0);
}
if (string_list_has_string(¤t_directory_set, ren2_dst)) {
dst_name2 = del[delp++] = unique_path(ren2_dst, branch2);
output(o, 1, "%s is a directory in %s adding as %s instead",
ren2_dst, branch1, dst_name2);
- remove_file(0, ren2_dst, 0);
+ remove_file(o, 0, ren2_dst, 0);
}
- if (index_only) {
+ if (o->index_only) {
remove_file_from_cache(dst_name1);
remove_file_from_cache(dst_name2);
/*
* Uncomment to leave the conflicting names in the resulting tree
*
- * update_file(0, ren1->pair->two->sha1, ren1->pair->two->mode, dst_name1);
- * update_file(0, ren2->pair->two->sha1, ren2->pair->two->mode, dst_name2);
+ * update_file(o, 0, ren1->pair->two->sha1, ren1->pair->two->mode, dst_name1);
+ * update_file(o, 0, ren2->pair->two->sha1, ren2->pair->two->mode, dst_name2);
*/
} else {
update_stages(dst_name1, NULL, ren1->pair->two, NULL, 1);
@@ -757,8 +753,8 @@ static void conflict_rename_dir(struct merge_options *o,
{
char *new_path = unique_path(ren1->pair->two->path, branch1);
output(o, 1, "Renaming %s to %s instead", ren1->pair->one->path, new_path);
- remove_file(0, ren1->pair->two->path, 0);
- update_file(0, ren1->pair->two->sha1, ren1->pair->two->mode, new_path);
+ remove_file(o, 0, ren1->pair->two->path, 0);
+ update_file(o, 0, ren1->pair->two->sha1, ren1->pair->two->mode, new_path);
free(new_path);
}
@@ -773,9 +769,9 @@ static void conflict_rename_rename_2(struct merge_options *o,
output(o, 1, "Renaming %s to %s and %s to %s instead",
ren1->pair->one->path, new_path1,
ren2->pair->one->path, new_path2);
- remove_file(0, ren1->pair->two->path, 0);
- update_file(0, ren1->pair->two->sha1, ren1->pair->two->mode, new_path1);
- update_file(0, ren2->pair->two->sha1, ren2->pair->two->mode, new_path2);
+ remove_file(o, 0, ren1->pair->two->path, 0);
+ update_file(o, 0, ren1->pair->two->sha1, ren1->pair->two->mode, new_path1);
+ update_file(o, 0, ren2->pair->two->sha1, ren2->pair->two->mode, new_path2);
free(new_path2);
free(new_path1);
}
@@ -867,17 +863,18 @@ static int process_renames(struct merge_options *o,
"rename \"%s\"->\"%s\" in \"%s\"%s",
src, ren1_dst, branch1,
src, ren2_dst, branch2,
- index_only ? " (left unresolved)": "");
- if (index_only) {
+ o->index_only ? " (left unresolved)": "");
+ if (o->index_only) {
remove_file_from_cache(src);
- update_file(0, ren1->pair->one->sha1,
+ update_file(o, 0, ren1->pair->one->sha1,
ren1->pair->one->mode, src);
}
conflict_rename_rename(o, ren1, branch1, ren2, branch2);
} else {
struct merge_file_info mfi;
- remove_file(1, ren1_src, 1);
- mfi = merge_file(ren1->pair->one,
+ remove_file(o, 1, ren1_src, 1);
+ mfi = merge_file(o,
+ ren1->pair->one,
ren1->pair->two,
ren2->pair->two,
branch1,
@@ -893,14 +890,14 @@ static int process_renames(struct merge_options *o,
ren1_dst);
clean_merge = 0;
- if (!index_only)
+ if (!o->index_only)
update_stages(ren1_dst,
ren1->pair->one,
ren1->pair->two,
ren2->pair->two,
1 /* clear */);
}
- update_file(mfi.clean, mfi.sha, mfi.mode, ren1_dst);
+ update_file(o, mfi.clean, mfi.sha, mfi.mode, ren1_dst);
}
} else {
/* Renamed in 1, maybe changed in 2 */
@@ -909,7 +906,7 @@ static int process_renames(struct merge_options *o,
struct diff_filespec src_other, dst_other;
int try_merge, stage = a_renames == renames1 ? 3: 2;
- remove_file(1, ren1_src, index_only || stage == 3);
+ remove_file(o, 1, ren1_src, o->index_only || stage == 3);
hashcpy(src_other.sha1, ren1->src_entry->stages[stage].sha);
src_other.mode = ren1->src_entry->stages[stage].mode;
@@ -931,7 +928,7 @@ static int process_renames(struct merge_options *o,
"and deleted in %s",
ren1_src, ren1_dst, branch1,
branch2);
- update_file(0, ren1->pair->two->sha1, ren1->pair->two->mode, ren1_dst);
+ update_file(o, 0, ren1->pair->two->sha1, ren1->pair->two->mode, ren1_dst);
} else if (!sha_eq(dst_other.sha1, null_sha1)) {
const char *new_path;
clean_merge = 0;
@@ -942,7 +939,7 @@ static int process_renames(struct merge_options *o,
ren1_dst, branch2);
new_path = unique_path(ren1_dst, branch2);
output(o, 1, "Adding as %s instead", new_path);
- update_file(0, dst_other.sha1, dst_other.mode, new_path);
+ update_file(o, 0, dst_other.sha1, dst_other.mode, new_path);
} else if ((item = string_list_lookup(ren1_dst, renames2Dst))) {
ren2 = item->util;
clean_merge = 0;
@@ -969,7 +966,7 @@ static int process_renames(struct merge_options *o,
b = ren1->pair->two;
a = &src_other;
}
- mfi = merge_file(one, a, b,
+ mfi = merge_file(o, one, a, b,
o->branch1, o->branch2);
if (mfi.clean &&
@@ -991,11 +988,11 @@ static int process_renames(struct merge_options *o,
ren1_dst);
clean_merge = 0;
- if (!index_only)
+ if (!o->index_only)
update_stages(ren1_dst,
one, a, b, 1);
}
- update_file(mfi.clean, mfi.sha, mfi.mode, ren1_dst);
+ update_file(o, mfi.clean, mfi.sha, mfi.mode, ren1_dst);
}
}
}
@@ -1037,7 +1034,7 @@ static int process_entry(struct merge_options *o,
if (a_sha)
output(o, 2, "Removing %s", path);
/* do not touch working file if it did not exist */
- remove_file(1, path, !a_sha);
+ remove_file(o, 1, path, !a_sha);
} else {
/* Deleted in one and changed in the other */
clean_merge = 0;
@@ -1046,13 +1043,13 @@ static int process_entry(struct merge_options *o,
"and modified in %s. Version %s of %s left in tree.",
path, o->branch1,
o->branch2, o->branch2, path);
- update_file(0, b_sha, b_mode, path);
+ update_file(o, 0, b_sha, b_mode, path);
} else {
output(o, 1, "CONFLICT (delete/modify): %s deleted in %s "
"and modified in %s. Version %s of %s left in tree.",
path, o->branch2,
o->branch1, o->branch1, path);
- update_file(0, a_sha, a_mode, path);
+ update_file(o, 0, a_sha, a_mode, path);
}
}
@@ -1084,11 +1081,11 @@ static int process_entry(struct merge_options *o,
output(o, 1, "CONFLICT (%s): There is a directory with name %s in %s. "
"Adding %s as %s",
conf, path, other_branch, path, new_path);
- remove_file(0, path, 0);
- update_file(0, sha, mode, new_path);
+ remove_file(o, 0, path, 0);
+ update_file(o, 0, sha, mode, new_path);
} else {
output(o, 2, "Adding %s", path);
- update_file(1, sha, mode, path);
+ update_file(o, 1, sha, mode, path);
}
} else if (a_sha && b_sha) {
/* Case C: Added in both (check for same permissions) and */
@@ -1110,12 +1107,12 @@ static int process_entry(struct merge_options *o,
hashcpy(b.sha1, b_sha);
b.mode = b_mode;
- mfi = merge_file(&one, &a, &b,
+ mfi = merge_file(o, &one, &a, &b,
o->branch1, o->branch2);
clean_merge = mfi.clean;
if (mfi.clean)
- update_file(1, mfi.sha, mfi.mode, path);
+ update_file(o, 1, mfi.sha, mfi.mode, path);
else if (S_ISGITLINK(mfi.mode))
output(o, 1, "CONFLICT (submodule): Merge conflict in %s "
"- needs %s", path, sha1_to_hex(b.sha1));
@@ -1123,10 +1120,10 @@ static int process_entry(struct merge_options *o,
output(o, 1, "CONFLICT (%s): Merge conflict in %s",
reason, path);
- if (index_only)
- update_file(0, mfi.sha, mfi.mode, path);
+ if (o->index_only)
+ update_file(o, 0, mfi.sha, mfi.mode, path);
else
- update_file_flags(mfi.sha, mfi.mode, path,
+ update_file_flags(o, mfi.sha, mfi.mode, path,
0 /* update_cache */, 1 /* update_working_directory */);
}
} else if (!o_sha && !a_sha && !b_sha) {
@@ -1134,7 +1131,7 @@ static int process_entry(struct merge_options *o,
* this entry was deleted altogether. a_mode == 0 means
* we had that path and want to actively remove it.
*/
- remove_file(1, path, !a_mode);
+ remove_file(o, 1, path, !a_mode);
} else
die("Fatal merge failure, shouldn't happen.");
@@ -1160,7 +1157,7 @@ int merge_trees(struct merge_options *o,
return 1;
}
- code = git_merge_trees(index_only, common, head, merge);
+ code = git_merge_trees(o->index_only, common, head, merge);
if (code != 0)
die("merging of trees %s and %s failed",
@@ -1195,7 +1192,7 @@ int merge_trees(struct merge_options *o,
else
clean = 1;
- if (index_only)
+ if (o->index_only)
*result = write_tree_from_memory(o);
return clean;
@@ -1283,14 +1280,14 @@ int merge_recursive(struct merge_options *o,
discard_cache();
if (!o->call_depth) {
read_cache();
- index_only = 0;
+ o->index_only = 0;
} else
- index_only = 1;
+ o->index_only = 1;
clean = merge_trees(o, h1->tree, h2->tree, merged_common_ancestors->tree,
&mrtree);
- if (index_only) {
+ if (o->index_only) {
*result = make_virtual_commit(mrtree, "merged tree");
commit_list_insert(h1, &(*result)->parents);
commit_list_insert(h2, &(*result)->parents->next);
diff --git a/merge-recursive.h b/merge-recursive.h
index 4f55374..6622c3e 100644
--- a/merge-recursive.h
+++ b/merge-recursive.h
@@ -10,6 +10,18 @@ struct merge_options {
int diff_rename_limit;
int merge_rename_limit;
int call_depth;
+ /*
+ * This variable is used in a number of places but only written
+ * to in the 'merge_recursive' function.
+ *
+ * index_only == 1 => Don't leave any non-stage 0 entries in
+ * the cache and don't update the working
+ * directory.
+ * 0 => Leave unmerged entries in the cache and
+ * update the working directory.
+ */
+ int index_only;
+
};
/* merge_trees() but with recursive ancestor consolidation */
--
1.6.0.1
--
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