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Allow for merges with whitespace discrepancies

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This commit is contained in:
Jacques Germishuys 2015-03-09 17:02:52 +02:00
parent d675982a15
commit 45a86bbfd0
3 changed files with 38 additions and 4 deletions
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23
include/git2/merge.h
View File

@ -110,6 +110,23 @@ typedef enum {
GIT_MERGE_FILE_FAVOR_UNION = 3,
} git_merge_file_favor_t;
/**
* Whitespace merging flags
*/
typedef enum {
/** Defaults */
GIT_MERGE_FILE_IGNORE_DEFAULT = 0,
/** Ignore all whitespace */
GIT_MERGE_FILE_IGNORE_WHITESPACE = (1 << 0),
/** Ignore changes in amount of whitespace */
GIT_MERGE_FILE_IGNORE_WHITESPACE_CHANGE = (1 << 1),
/** Ignore whitespace at end of line */
GIT_MERGE_FILE_IGNORE_WHITESPACE_EOL = (1 << 2),
} git_merge_file_whitespace_t;
/**
* File merging flags
*/
@ -156,6 +173,9 @@ typedef struct {
/** Merge file flags. */
git_merge_file_flags_t flags;
/** Whitespace merge flags */
unsigned int whitespace_flags;
} git_merge_file_options;
#define GIT_MERGE_FILE_OPTIONS_VERSION 1
@ -230,6 +250,9 @@ typedef struct {
/** Flags for handling conflicting content. */
git_merge_file_favor_t file_favor;
/** Flags for handling whitespace */
unsigned int whitespace_flags;
} git_merge_options;
#define GIT_MERGE_OPTIONS_VERSION 1

12
src/merge.c
View File

@ -653,7 +653,8 @@ static int merge_conflict_resolve_automerge(
int *resolved,
git_merge_diff_list *diff_list,
const git_merge_diff *conflict,
unsigned int merge_file_favor)
unsigned int merge_file_favor,
unsigned int whitespace_flags)
{
const git_index_entry *ancestor = NULL, *ours = NULL, *theirs = NULL;
git_merge_file_options opts = GIT_MERGE_FILE_OPTIONS_INIT;
@ -708,6 +709,7 @@ static int merge_conflict_resolve_automerge(
&conflict->their_entry : NULL;
opts.favor = merge_file_favor;
opts.whitespace_flags = whitespace_flags;
if ((error = git_repository_odb(&odb, diff_list->repo)) < 0 ||
(error = git_merge_file_from_index(&result, diff_list->repo, ancestor, ours, theirs, &opts)) < 0 ||
@ -741,7 +743,8 @@ static int merge_conflict_resolve(
int *out,
git_merge_diff_list *diff_list,
const git_merge_diff *conflict,
unsigned int merge_file_favor)
unsigned int merge_file_favor,
unsigned int whitespace_flags)
{
int resolved = 0;
int error = 0;
@ -757,7 +760,8 @@ static int merge_conflict_resolve(
if (!resolved && (error = merge_conflict_resolve_one_renamed(&resolved, diff_list, conflict)) < 0)
goto done;
if (!resolved && (error = merge_conflict_resolve_automerge(&resolved, diff_list, conflict, merge_file_favor)) < 0)
if (!resolved && (error = merge_conflict_resolve_automerge(&resolved, diff_list, conflict,
merge_file_favor, whitespace_flags)) < 0)
goto done;
*out = resolved;
@ -1779,7 +1783,7 @@ int git_merge_trees(
git_vector_foreach(&changes, i, conflict) {
int resolved = 0;
if ((error = merge_conflict_resolve(&resolved, diff_list, conflict, opts.file_favor)) < 0)
if ((error = merge_conflict_resolve(&resolved, diff_list, conflict, opts.file_favor, opts.whitespace_flags)) < 0)
goto done;
if (!resolved)

7
src/merge_file.c
View File

@ -151,6 +151,13 @@ static int git_merge_file__from_inputs(
if (options.flags & GIT_MERGE_FILE_STYLE_DIFF3)
xmparam.style = XDL_MERGE_DIFF3;
if (options.whitespace_flags & GIT_MERGE_FILE_IGNORE_WHITESPACE)
xmparam.xpp.flags |= XDF_IGNORE_WHITESPACE;
if (options.whitespace_flags & GIT_MERGE_FILE_IGNORE_WHITESPACE_CHANGE)
xmparam.xpp.flags |= XDF_IGNORE_WHITESPACE_CHANGE;
if (options.whitespace_flags & GIT_MERGE_FILE_IGNORE_WHITESPACE_EOL)
xmparam.xpp.flags |= XDF_IGNORE_WHITESPACE_AT_EOL;
if ((xdl_result = xdl_merge(&ancestor_mmfile, &our_mmfile,
&their_mmfile, &xmparam, &mmbuffer)) < 0) {
giterr_set(GITERR_MERGE, "Failed to merge files.");