diff options
Diffstat (limited to 'merge-recursive.c')
| -rw-r--r-- | merge-recursive.c | 107 |
1 files changed, 88 insertions, 19 deletions
diff --git a/merge-recursive.c b/merge-recursive.c index 638076ec6e..df90be44a5 100644 --- a/merge-recursive.c +++ b/merge-recursive.c @@ -1017,14 +1017,22 @@ static int process_renames(struct merge_options *o, if (mfi.clean && sha_eq(mfi.sha, ren1->pair->two->sha1) && - mfi.mode == ren1->pair->two->mode) + mfi.mode == ren1->pair->two->mode) { /* - * This messaged is part of + * This message is part of * t6022 test. If you change * it update the test too. */ output(o, 3, "Skipped %s (merged same as existing)", ren1_dst); - else { + + /* There may be higher stage entries left + * in the index (e.g. due to a D/F + * conflict) that need to be resolved. + */ + if (!ren1->dst_entry->stages[2].mode != + !ren1->dst_entry->stages[3].mode) + ren1->dst_entry->processed = 0; + } else { if (mfi.merge || !mfi.clean) output(o, 1, "Renaming %s => %s", ren1_src, ren1_dst); if (mfi.merge) @@ -1070,6 +1078,7 @@ static int process_entry(struct merge_options *o, unsigned char *a_sha = stage_sha(entry->stages[2].sha, a_mode); unsigned char *b_sha = stage_sha(entry->stages[3].sha, b_mode); + entry->processed = 1; if (o_sha && (!a_sha || !b_sha)) { /* Case A: Deleted in one */ if ((!a_sha && !b_sha) || @@ -1102,33 +1111,28 @@ static int process_entry(struct merge_options *o, } else if ((!o_sha && a_sha && !b_sha) || (!o_sha && !a_sha && b_sha)) { /* Case B: Added in one. */ - const char *add_branch; - const char *other_branch; unsigned mode; const unsigned char *sha; - const char *conf; if (a_sha) { - add_branch = o->branch1; - other_branch = o->branch2; mode = a_mode; sha = a_sha; - conf = "file/directory"; } else { - add_branch = o->branch2; - other_branch = o->branch1; mode = b_mode; sha = b_sha; - conf = "directory/file"; } if (string_list_has_string(&o->current_directory_set, path)) { - const char *new_path = unique_path(o, path, add_branch); - clean_merge = 0; - 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(o, 0, path, 0); - update_file(o, 0, sha, mode, new_path); + /* Handle D->F conflicts after all subfiles */ + entry->processed = 0; + /* But get any file out of the way now, so conflicted + * entries below the directory of the same name can + * be put in the working directory. + */ + if (a_sha) + output(o, 2, "Removing %s", path); + /* do not touch working file if it did not exist */ + remove_file(o, 0, path, !a_sha); + return 1; /* Assume clean till processed */ } else { output(o, 2, "Adding %s", path); update_file(o, 1, sha, mode, path); @@ -1176,6 +1180,64 @@ static int process_entry(struct merge_options *o, return clean_merge; } +/* + * Per entry merge function for D/F conflicts, to be called only after + * all files below dir have been processed. We do this because in the + * cases we can cleanly resolve D/F conflicts, process_entry() can clean + * out all the files below the directory for us. + */ +static int process_df_entry(struct merge_options *o, + const char *path, struct stage_data *entry) +{ + int clean_merge = 1; + unsigned o_mode = entry->stages[1].mode; + unsigned a_mode = entry->stages[2].mode; + unsigned b_mode = entry->stages[3].mode; + unsigned char *o_sha = stage_sha(entry->stages[1].sha, o_mode); + unsigned char *a_sha = stage_sha(entry->stages[2].sha, a_mode); + unsigned char *b_sha = stage_sha(entry->stages[3].sha, b_mode); + const char *add_branch; + const char *other_branch; + unsigned mode; + const unsigned char *sha; + const char *conf; + struct stat st; + + /* We currently only handle D->F cases */ + assert((!o_sha && a_sha && !b_sha) || + (!o_sha && !a_sha && b_sha)); + + entry->processed = 1; + + if (a_sha) { + add_branch = o->branch1; + other_branch = o->branch2; + mode = a_mode; + sha = a_sha; + conf = "file/directory"; + } else { + add_branch = o->branch2; + other_branch = o->branch1; + mode = b_mode; + sha = b_sha; + conf = "directory/file"; + } + if (lstat(path, &st) == 0 && S_ISDIR(st.st_mode)) { + const char *new_path = unique_path(o, path, add_branch); + clean_merge = 0; + 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(o, 0, path, 0); + update_file(o, 0, sha, mode, new_path); + } else { + output(o, 2, "Adding %s", path); + update_file(o, 1, sha, mode, path); + } + + return clean_merge; +} + void set_porcelain_error_msgs(const char **msgs, const char *cmd) { const char *msg; @@ -1269,6 +1331,13 @@ int merge_trees(struct merge_options *o, && !process_entry(o, path, e)) clean = 0; } + for (i = 0; i < entries->nr; i++) { + const char *path = entries->items[i].string; + struct stage_data *e = entries->items[i].util; + if (!e->processed + && !process_df_entry(o, path, e)) + clean = 0; + } string_list_clear(re_merge, 0); string_list_clear(re_head, 0); |