Merge branch 'maint' into tj/imap-send-remove-unusedtj/maint-imap-send-remove-unused

* maint: (18123 commits)
  documentation fix: git difftool uses diff tools, not merge tools.
  Git 1.7.7.4
  Makefile: add missing header file dependencies
  notes merge: eliminate OUTPUT macro
  mailmap: xcalloc mailmap_info
  name-rev --all: do not even attempt to describe non-commit object
  Git 1.7.7.3
  docs: Update install-doc-quick
  docs: don't mention --quiet or --exit-code in git-log(1)
  Git 1.7.7.2
  t7511: avoid use of reserved filename on Windows.
  clone: Quote user supplied path in a single quote pair
  read-cache.c: fix index memory allocation
  make the sample pre-commit hook script reject names with newlines, too
  Reindent closing bracket using tab instead of spaces
  Git 1.7.7.1
  RelNotes/1.7.7.1: setgid bit patch is about fixing "git init" via Makefile setting
  gitweb: fix regression when filtering out forks
  Almost ready for 1.7.7.1
  pack-objects: don't traverse objects unnecessarily
  ...

Conflicts:
	imap-send.c

1 files changed, 34 insertions, 0 deletions

diff --git a/builtin/merge-ours.c b/builtin/merge-ours.c
new file mode 100644
index 0000000000..684411694f
--- /dev/null
+++ b/builtin/merge-ours.c
@@ -0,0 +1,34 @@
+/*
+ * Implementation of git-merge-ours.sh as builtin
+ *
+ * Copyright (c) 2007 Thomas Harning Jr
+ * Original:
+ * Original Copyright (c) 2005 Junio C Hamano
+ *
+ * Pretend we resolved the heads, but declare our tree trumps everybody else.
+ */
+#include "git-compat-util.h"
+#include "builtin.h"
+
+static const char builtin_merge_ours_usage[] =
+	"git merge-ours <base>... -- HEAD <remote>...";
+
+static const char *diff_index_args[] = {
+	"diff-index", "--quiet", "--cached", "HEAD", "--", NULL
+};
+#define NARGS (ARRAY_SIZE(diff_index_args) - 1)
+
+int cmd_merge_ours(int argc, const char **argv, const char *prefix)
+{
+	if (argc == 2 && !strcmp(argv[1], "-h"))
+		usage(builtin_merge_ours_usage);
+
+	/*
+	 * We need to exit with 2 if the index does not match our HEAD tree,
+	 * because the current index is what we will be committing as the
+	 * merge result.
+	 */
+	if (cmd_diff_index(NARGS, diff_index_args, prefix))
+		exit(2);
+	exit(0);
+}