status access by index, providing more details to callers

2 files changed, 66 insertions, 0 deletions

diff --git a/include/git2/status.h b/include/git2/status.h
index 38b6fa5bd..ce1d44a06 100644
--- a/include/git2/status.h
+++ b/include/git2/status.h
@@ -174,10 +174,73 @@ typedef struct {
 	git_strarray      pathspec;
 } git_status_options;
 
+/**
+ * A status entry, providing the differences between the file as it exists
+ * in HEAD and the index, and providing the differences between the index
+ * and the working directory.
+ *
+ * The `status` value provides the status flags for this file.
+ *
+ * The `head_to_index` value provides detailed information about the
+ * differences between the file in HEAD and the file in the index.
+ *
+ * The `index_to_workdir` value provides detailed information about the
+ * differences between the file in the index and the file in the
+ * working directory.
+ */
+typedef struct {
+	git_status_t status;
+	git_diff_delta *head_to_index;
+	git_diff_delta *index_to_workdir;
+} git_status_entry;
+
 #define GIT_STATUS_OPTIONS_VERSION 1
 #define GIT_STATUS_OPTIONS_INIT {GIT_STATUS_OPTIONS_VERSION}
 
 /**
+ * Gather file status information and populate the `git_status_list`.
+ *
+ * @param out Pointer to store the status results in
+ * @param repo Repository object
+ * @param opts Status options structure
+ * @return 0 on success or error code
+ */
+GIT_EXTERN(int) git_status_list_new(
+	git_status_list **out,
+	git_repository *repo,
+	const git_status_options *opts);
+
+/**
+ * Gets the count of status entries in this list.
+ *
+ * @param statuslist Existing status list object
+ * @return the number of status entries
+ */
+GIT_EXTERN(size_t) git_status_list_entrycount(
+	git_status_list *statuslist);
+
+/**
+ * Get a pointer to one of the entries in the status list.
+ *
+ * The entry is not modifiable and should not be freed.
+ *
+ * @param statuslist Existing status list object
+ * @param idx Position of the entry
+ * @return Pointer to the entry; NULL if out of bounds
+ */
+GIT_EXTERN(const git_status_entry *) git_status_byindex(
+	git_status_list *statuslist,
+	size_t idx);
+
+/**
+ * Free an existing status list
+ *
+ * @param statuslist Existing status list object
+ */
+GIT_EXTERN(void) git_status_list_free(
+	git_status_list *statuslist);
+
+/**
  * Gather file status information and run callbacks as requested.
  *
  * This is an extended version of the `git_status_foreach()` API that
diff --git a/include/git2/types.h b/include/git2/types.h
index 1bfa73be6..dc344075c 100644
--- a/include/git2/types.h
+++ b/include/git2/types.h
@@ -174,6 +174,9 @@ typedef struct git_reference_iterator  git_reference_iterator;
 /** Merge heads, the input to merge */
 typedef struct git_merge_head git_merge_head;
 
+/** Representation of a status collection */
+typedef struct git_status_list git_status_list;
+
 
 /** Basic type of any Git reference. */
 typedef enum {