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Diffstat (limited to 'builtin/difftool.c')
-rw-r--r--builtin/difftool.c24
1 files changed, 14 insertions, 10 deletions
diff --git a/builtin/difftool.c b/builtin/difftool.c
index a3ea60e..04ffa1d 100644
--- a/builtin/difftool.c
+++ b/builtin/difftool.c
@@ -65,14 +65,12 @@ static int parse_index_info(char *p, int *mode1, int *mode2,
*mode2 = (int)strtol(p + 1, &p, 8);
if (*p != ' ')
return error("expected ' ', got '%c'", *p);
- if (get_oid_hex(++p, oid1))
- return error("expected object ID, got '%s'", p + 1);
- p += GIT_SHA1_HEXSZ;
+ if (parse_oid_hex(++p, oid1, (const char **)&p))
+ return error("expected object ID, got '%s'", p);
if (*p != ' ')
return error("expected ' ', got '%c'", *p);
- if (get_oid_hex(++p, oid2))
- return error("expected object ID, got '%s'", p + 1);
- p += GIT_SHA1_HEXSZ;
+ if (parse_oid_hex(++p, oid2, (const char **)&p))
+ return error("expected object ID, got '%s'", p);
if (*p != ' ')
return error("expected ' ', got '%c'", *p);
*status = *++p;
@@ -690,7 +688,7 @@ 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,
- tool_help = 0;
+ tool_help = 0, no_index = 0;
static char *difftool_cmd = NULL, *extcmd = NULL;
struct option builtin_difftool_options[] = {
OPT_BOOL('g', "gui", &use_gui_tool,
@@ -714,6 +712,7 @@ int cmd_difftool(int argc, const char **argv, const char *prefix)
"tool returns a non - zero exit code")),
OPT_STRING('x', "extcmd", &extcmd, N_("command"),
N_("specify a custom command for viewing diffs")),
+ OPT_ARGUMENT("no-index", &no_index, N_("passed to `diff`")),
OPT_END()
};
@@ -727,9 +726,14 @@ int cmd_difftool(int argc, const char **argv, const char *prefix)
if (tool_help)
return print_tool_help();
- /* NEEDSWORK: once we no longer spawn anything, remove this */
- setenv(GIT_DIR_ENVIRONMENT, absolute_path(get_git_dir()), 1);
- setenv(GIT_WORK_TREE_ENVIRONMENT, absolute_path(get_git_work_tree()), 1);
+ if (!no_index && !startup_info->have_repository)
+ die(_("difftool requires worktree or --no-index"));
+
+ if (!no_index){
+ setup_work_tree();
+ setenv(GIT_DIR_ENVIRONMENT, absolute_path(get_git_dir()), 1);
+ setenv(GIT_WORK_TREE_ENVIRONMENT, absolute_path(get_git_work_tree()), 1);
+ }
if (use_gui_tool && diff_gui_tool && *diff_gui_tool)
setenv("GIT_DIFF_TOOL", diff_gui_tool, 1);