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-rw-r--r--builtin/difftool.c69
1 files changed, 44 insertions, 25 deletions
diff --git a/builtin/difftool.c b/builtin/difftool.c
index 4b10ad1a36..a3c72b8258 100644
--- a/builtin/difftool.c
+++ b/builtin/difftool.c
@@ -11,19 +11,26 @@
*
* Copyright (C) 2016 Johannes Schindelin
*/
-#define USE_THE_INDEX_COMPATIBILITY_MACROS
-#include "cache.h"
-#include "config.h"
+#define USE_THE_INDEX_VARIABLE
#include "builtin.h"
+#include "abspath.h"
+#include "config.h"
+#include "copy.h"
#include "run-command.h"
-#include "exec-cmd.h"
+#include "environment.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"
static int trust_exit_code;
@@ -32,20 +39,24 @@ 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)
{
- const char *argv[] = { "mergetool", "--tool-help=diff", NULL };
- return run_command_v_opt(argv, RUN_GIT_CMD);
+ struct child_process cmd = CHILD_PROCESS_INIT;
+
+ cmd.git_cmd = 1;
+ strvec_pushl(&cmd.args, "mergetool", "--tool-help=diff", NULL);
+ return run_command(&cmd);
}
static int parse_index_info(char *p, int *mode1, int *mode2,
@@ -292,7 +303,8 @@ 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);
@@ -358,10 +370,10 @@ static int run_dir_diff(const char *extcmd, int symlinks, const char *prefix,
struct hashmap symlinks2 = HASHMAP_INIT(pair_cmp, NULL);
struct hashmap_iter iter;
struct pair_entry *entry;
- struct index_state wtindex;
+ struct index_state wtindex = INDEX_STATE_INIT(the_repository);
struct checkout lstate, rstate;
- int flags = RUN_GIT_CMD, err = 0;
- const char *helper_argv[] = { "difftool--helper", NULL, NULL, NULL };
+ int err = 0;
+ struct child_process cmd = CHILD_PROCESS_INIT;
struct hashmap wt_modified, tmp_modified;
int indices_loaded = 0;
@@ -384,8 +396,6 @@ static int run_dir_diff(const char *extcmd, int symlinks, const char *prefix,
mkdir(ldir.buf, 0700);
mkdir(rdir.buf, 0700);
- memset(&wtindex, 0, sizeof(wtindex));
-
memset(&lstate, 0, sizeof(lstate));
lstate.base_dir = lbase_dir = xstrdup(ldir.buf);
lstate.base_dir_len = ldir.len;
@@ -563,16 +573,17 @@ static int run_dir_diff(const char *extcmd, int symlinks, const char *prefix,
}
strbuf_setlen(&ldir, ldir_len);
- helper_argv[1] = ldir.buf;
strbuf_setlen(&rdir, rdir_len);
- helper_argv[2] = rdir.buf;
if (extcmd) {
- helper_argv[0] = extcmd;
- flags = 0;
- } else
+ strvec_push(&cmd.args, extcmd);
+ } else {
+ strvec_push(&cmd.args, "difftool--helper");
+ cmd.git_cmd = 1;
setenv("GIT_DIFFTOOL_DIRDIFF", "true", 1);
- ret = run_command_v_opt(helper_argv, flags);
+ }
+ strvec_pushl(&cmd.args, ldir.buf, rdir.buf, NULL);
+ ret = run_command(&cmd);
/* TODO: audit for interaction with sparse-index. */
ensure_full_index(&wtindex);
@@ -682,7 +693,7 @@ 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[] = {
@@ -732,13 +743,21 @@ 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