diff options
Diffstat (limited to 'builtin/difftool.c')
| -rw-r--r-- | builtin/difftool.c | 38 |
1 files changed, 20 insertions, 18 deletions
diff --git a/builtin/difftool.c b/builtin/difftool.c index a3ea60ea71..16eb8b70ea 100644 --- a/builtin/difftool.c +++ b/builtin/difftool.c @@ -24,7 +24,6 @@ #include "object-store.h" #include "dir.h" -static char *diff_gui_tool; static int trust_exit_code; static const char *const builtin_difftool_usage[] = { @@ -34,11 +33,6 @@ static const char *const builtin_difftool_usage[] = { static int difftool_config(const char *var, const char *value, void *cb) { - if (!strcmp(var, "diff.guitool")) { - diff_gui_tool = xstrdup(value); - return 0; - } - if (!strcmp(var, "difftool.trustexitcode")) { trust_exit_code = git_config_bool(var, value); return 0; @@ -65,14 +59,12 @@ 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 +682,7 @@ 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 +706,7 @@ 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() }; @@ -727,12 +720,21 @@ 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); + } else if (dir_diff) + die(_("--dir-diff is incompatible with --no-index")); + + if (use_gui_tool + !!difftool_cmd + !!extcmd > 1) + die(_("--gui, --tool and --extcmd are mutually exclusive")); - if (use_gui_tool && diff_gui_tool && *diff_gui_tool) - setenv("GIT_DIFF_TOOL", diff_gui_tool, 1); + if (use_gui_tool) + setenv("GIT_MERGETOOL_GUI", "true", 1); else if (difftool_cmd) { if (*difftool_cmd) setenv("GIT_DIFF_TOOL", difftool_cmd, 1); |