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-rw-r--r--builtin/difftool.c39
1 files changed, 29 insertions, 10 deletions
diff --git a/builtin/difftool.c b/builtin/difftool.c
index dbbfb19f19..24d88f88ba 100644
--- a/builtin/difftool.c
+++ b/builtin/difftool.c
@@ -12,18 +12,27 @@
* Copyright (C) 2016 Johannes Schindelin
*/
#define USE_THE_INDEX_VARIABLE
-#include "cache.h"
-#include "config.h"
#include "builtin.h"
+#include "abspath.h"
+#include "config.h"
+#include "copy.h"
#include "run-command.h"
+#include "environment.h"
#include "exec-cmd.h"
+#include "gettext.h"
+#include "hex.h"
#include "parse-options.h"
+#include "read-cache-ll.h"
+#include "sparse-index.h"
#include "strvec.h"
#include "strbuf.h"
#include "lockfile.h"
-#include "object-store.h"
+#include "object-file.h"
+#include "object-store-ll.h"
#include "dir.h"
#include "entry.h"
+#include "setup.h"
+#include "wrapper.h"
static int trust_exit_code;
@@ -32,14 +41,15 @@ static const char *const builtin_difftool_usage[] = {
NULL
};
-static int difftool_config(const char *var, const char *value, void *cb)
+static int difftool_config(const char *var, const char *value,
+ const struct config_context *ctx, void *cb)
{
if (!strcmp(var, "difftool.trustexitcode")) {
trust_exit_code = git_config_bool(var, value);
return 0;
}
- return git_default_config(var, value, cb);
+ return git_default_config(var, value, ctx, cb);
}
static int print_tool_help(void)
@@ -295,7 +305,8 @@ static char *get_symlink(const struct object_id *oid, const char *path)
} else {
enum object_type type;
unsigned long size;
- data = read_object_file(oid, &type, &size);
+ data = repo_read_object_file(the_repository, oid, &type,
+ &size);
if (!data)
die(_("could not read object %s for symlink %s"),
oid_to_hex(oid), path);
@@ -684,7 +695,7 @@ static int run_file_diff(int prompt, const char *prefix,
int cmd_difftool(int argc, const char **argv, const char *prefix)
{
- int use_gui_tool = 0, dir_diff = 0, prompt = -1, symlinks = 0,
+ int use_gui_tool = -1, dir_diff = 0, prompt = -1, symlinks = 0,
tool_help = 0, no_index = 0;
static char *difftool_cmd = NULL, *extcmd = NULL;
struct option builtin_difftool_options[] = {
@@ -734,13 +745,21 @@ int cmd_difftool(int argc, const char **argv, const char *prefix)
} else if (dir_diff)
die(_("options '%s' and '%s' cannot be used together"), "--dir-diff", "--no-index");
- die_for_incompatible_opt3(use_gui_tool, "--gui",
+ die_for_incompatible_opt3(use_gui_tool == 1, "--gui",
!!difftool_cmd, "--tool",
!!extcmd, "--extcmd");
- if (use_gui_tool)
+ /*
+ * Explicitly specified GUI option is forwarded to git-mergetool--lib.sh;
+ * empty or unset means "use the difftool.guiDefault config or default to
+ * false".
+ */
+ if (use_gui_tool == 1)
setenv("GIT_MERGETOOL_GUI", "true", 1);
- else if (difftool_cmd) {
+ else if (use_gui_tool == 0)
+ setenv("GIT_MERGETOOL_GUI", "false", 1);
+
+ if (difftool_cmd) {
if (*difftool_cmd)
setenv("GIT_DIFF_TOOL", difftool_cmd, 1);
else