5 files changed, 113 insertions, 6 deletions
diff --git a/include/git2/commit.h b/include/git2/commit.h
index c09b34843..3687d9460 100644
--- a/include/git2/commit.h
+++ b/include/git2/commit.h
@@ -136,6 +136,16 @@ GIT_EXTERN(const git_signature *) git_commit_author(git_commit *commit);
 GIT_EXTERN(int) git_commit_tree(git_tree **tree_out, git_commit *commit);
 
 /**
+ * Get the id of the tree pointed to by a commit. This differs from
+ * `git_commit_tree` in that no attempts are made to fetch an object
+ * from the ODB.
+ *
+ * @param commit a previously loaded commit.
+ * @return the id of tree pointed to by commit.
+ */
+GIT_EXTERN(const git_oid *) git_commit_tree_oid(git_commit *commit);
+
+/**
  * Get the number of parents of this commit
  *
  * @param commit a previously loaded commit.
@@ -153,6 +163,16 @@ GIT_EXTERN(unsigned int) git_commit_parentcount(git_commit *commit);
  */
 GIT_EXTERN(int) git_commit_parent(git_commit **parent, git_commit *commit, unsigned int n);
 
+/**
+ * Get the oid of a specified parent for a commit. This is different from
+ * `git_commit_parent`, which will attempt to load the parent commit from
+ * the ODB.
+ *
+ * @param commit a previously loaded commit.
+ * @param n the position of the parent (from 0 to `parentcount`)
+ * @return the id of the parent, NULL on error.
+ */
+GIT_EXTERN(const git_oid *) git_commit_parent_oid(git_commit *commit, unsigned int n);
 
 /**
  * Create a new commit in the repository
diff --git a/include/git2/common.h b/include/git2/common.h
index 7cb98b824..ab267e620 100644
--- a/include/git2/common.h
+++ b/include/git2/common.h
@@ -164,6 +164,12 @@
 /** A reference with this name already exists */
 #define GIT_EEXISTS (GIT_ERROR - 23)
 
+/** The given integer literal is too large to be parsed */
+#define GIT_EOVERFLOW (GIT_ERROR - 24)
+
+/** The given literal is not a valid number */
+#define GIT_ENOTNUM (GIT_ERROR - 25)
+
 GIT_BEGIN_DECL
 
 typedef struct {
diff --git a/include/git2/index.h b/include/git2/index.h
index 599512f8a..8a84f507b 100644
--- a/include/git2/index.h
+++ b/include/git2/index.h
@@ -44,6 +44,46 @@ GIT_BEGIN_DECL
 #define GIT_IDXENTRY_VALID     (0x8000)
 #define GIT_IDXENTRY_STAGESHIFT 12
 
+/*
+ * Flags are divided into two parts: in-memory flags and
+ * on-disk ones. Flags in GIT_IDXENTRY_EXTENDED_FLAGS
+ * will get saved on-disk.
+ *
+ * In-memory only flags:
+ */
+#define GIT_IDXENTRY_UPDATE            (1 << 16)
+#define GIT_IDXENTRY_REMOVE            (1 << 17)
+#define GIT_IDXENTRY_UPTODATE          (1 << 18)
+#define GIT_IDXENTRY_ADDED             (1 << 19)
+
+#define GIT_IDXENTRY_HASHED            (1 << 20)
+#define GIT_IDXENTRY_UNHASHED          (1 << 21)
+#define GIT_IDXENTRY_WT_REMOVE         (1 << 22) /* remove in work directory */
+#define GIT_IDXENTRY_CONFLICTED        (1 << 23)
+
+#define GIT_IDXENTRY_UNPACKED          (1 << 24)
+#define GIT_IDXENTRY_NEW_SKIP_WORKTREE (1 << 25)
+
+/*
+ * Extended on-disk flags:
+ */
+#define GIT_IDXENTRY_INTENT_TO_ADD     (1 << 29)
+#define GIT_IDXENTRY_SKIP_WORKTREE     (1 << 30)
+/* GIT_IDXENTRY_EXTENDED2 is for future extension */
+#define GIT_IDXENTRY_EXTENDED2         (1 << 31)
+
+#define GIT_IDXENTRY_EXTENDED_FLAGS (GIT_IDXENTRY_INTENT_TO_ADD | GIT_IDXENTRY_SKIP_WORKTREE)
+
+/*
+ * Safeguard to avoid saving wrong flags:
+ *  - GIT_IDXENTRY_EXTENDED2 won't get saved until its semantic is known
+ *  - Bits in 0x0000FFFF have been saved in flags already
+ *  - Bits in 0x003F0000 are currently in-memory flags
+ */
+#if GIT_IDXENTRY_EXTENDED_FLAGS & 0x803FFFFF
+#error "GIT_IDXENTRY_EXTENDED_FLAGS out of range"
+#endif
+
 /** Time used in a git index entry */
 typedef struct {
 	git_time_t seconds;
diff --git a/include/git2/repository.h b/include/git2/repository.h
index 00c1f20d0..c47fcfc9a 100644
--- a/include/git2/repository.h
+++ b/include/git2/repository.h
@@ -182,6 +182,36 @@ GIT_EXTERN(void) git_repository_free(git_repository *repo);
  */
 GIT_EXTERN(int) git_repository_init(git_repository **repo_out, const char *path, unsigned is_bare);
 
+/**
+ * Check if a repository is empty
+ *
+ * An empty repository has just been initialized and contains
+ * no commits.
+ *
+ * @param repo Repo to test
+ * @return 1 if the repository is empty, 0 if it isn't, error code
+ * if the repository is corrupted
+ */
+GIT_EXTERN(int) git_repository_is_empty(git_repository *repo);
+
+/**
+ * Get the normalized path to the git repository.
+ *
+ * @param repo a repository object
+ * @return absolute path to the git directory
+ */
+GIT_EXTERN(const char *) git_repository_path(git_repository *repo);
+
+/**
+ * Get the normalized path to the working directory of the repository.
+ *
+ * If the repository is bare, there is no working directory and NULL we be returned.
+ *
+ * @param repo a repository object
+ * @return NULL if the repository is bare; absolute path to the working directory otherwise.
+ */
+GIT_EXTERN(const char *) git_repository_workdir(git_repository *repo);
+
 /** @} */
 GIT_END_DECL
 #endif
diff --git a/include/git2/signature.h b/include/git2/signature.h
index 40412a45f..44d1f285e 100644
--- a/include/git2/signature.h
+++ b/include/git2/signature.h
@@ -41,19 +41,30 @@ GIT_BEGIN_DECL
  * Create a new action signature. The signature must be freed
  * manually or using git_signature_free
  *
- * @name name of the person
- * @email email of the person
- * @time time when the action happened
- * @offset timezone offset in minutes for the time
+ * @param name name of the person
+ * @param mail email of the person
+ * @param time time when the action happened
+ * @param offset timezone offset in minutes for the time
  * @return the new sig, NULL on out of memory
  */
 GIT_EXTERN(git_signature *) git_signature_new(const char *name, const char *email, git_time_t time, int offset);
 
 /**
+ * Create a new action signature with a timestamp of 'now'. The
+ * signature must be freed manually or using git_signature_free
+ *
+ * @param name name of the person
+ * @param email email of the person
+ * @return the new sig, NULL on out of memory
+ */
+GIT_EXTERN(git_signature *) git_signature_now(const char *name, const char *email);
+
+
+/**
  * Create a copy of an existing signature.
  *
  * All internal strings are also duplicated.
- * @sig signature to duplicated
+ * @param sig signature to duplicated
  * @return a copy of sig, NULL on out of memory
  */
 GIT_EXTERN(git_signature *) git_signature_dup(const git_signature *sig);
@@ -61,7 +72,7 @@ GIT_EXTERN(git_signature *) git_signature_dup(const git_signature *sig);
 /**
  * Free an existing signature
  *
- * @sig signature to free
+ * @param sig signature to free
  */
 GIT_EXTERN(void) git_signature_free(git_signature *sig);