diff options
| -rw-r--r-- | Documentation/technical/api-parse-options.txt | 4 | ||||
| -rw-r--r-- | builtin/difftool.c | 14 | ||||
| -rw-r--r-- | git.c | 2 | ||||
| -rw-r--r-- | parse-options.c | 2 | ||||
| -rw-r--r-- | parse-options.h | 4 | ||||
| -rw-r--r-- | t/helper/test-parse-options.c | 2 | ||||
| -rwxr-xr-x | t/t7800-difftool.sh | 10 |
7 files changed, 29 insertions, 9 deletions
diff --git a/Documentation/technical/api-parse-options.txt b/Documentation/technical/api-parse-options.txt index 2b036d7838..2e2e7c10c6 100644 --- a/Documentation/technical/api-parse-options.txt +++ b/Documentation/technical/api-parse-options.txt @@ -198,8 +198,10 @@ There are some macros to easily define options: The filename will be prefixed by passing the filename along with the prefix argument of `parse_options()` to `prefix_filename()`. -`OPT_ARGUMENT(long, description)`:: +`OPT_ARGUMENT(long, &int_var, description)`:: Introduce a long-option argument that will be kept in `argv[]`. + If this option was seen, `int_var` will be set to one (except + if a `NULL` pointer was passed). `OPT_NUMBER_CALLBACK(&var, description, func_ptr)`:: Recognize numerical options like -123 and feed the integer as diff --git a/builtin/difftool.c b/builtin/difftool.c index a3ea60ea71..4fff1e83f9 100644 --- a/builtin/difftool.c +++ b/builtin/difftool.c @@ -690,7 +690,7 @@ 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 +714,7 @@ 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 +728,14 @@ 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); @@ -498,7 +498,7 @@ static struct cmd_struct commands[] = { { "diff-files", cmd_diff_files, RUN_SETUP | NEED_WORK_TREE | NO_PARSEOPT }, { "diff-index", cmd_diff_index, RUN_SETUP | NO_PARSEOPT }, { "diff-tree", cmd_diff_tree, RUN_SETUP | NO_PARSEOPT }, - { "difftool", cmd_difftool, RUN_SETUP | NEED_WORK_TREE }, + { "difftool", cmd_difftool, RUN_SETUP_GENTLY }, { "fast-export", cmd_fast_export, RUN_SETUP }, { "fetch", cmd_fetch, RUN_SETUP }, { "fetch-pack", cmd_fetch_pack, RUN_SETUP | NO_PARSEOPT }, diff --git a/parse-options.c b/parse-options.c index bf2037f6e1..cb24f1aa8a 100644 --- a/parse-options.c +++ b/parse-options.c @@ -288,6 +288,8 @@ again: optname(options, flags)); if (*rest) continue; + if (options->value) + *(int *)options->value = options->defval; p->out[p->cpidx++] = arg - 2; return PARSE_OPT_DONE; } diff --git a/parse-options.h b/parse-options.h index 0f73787066..cc9230adac 100644 --- a/parse-options.h +++ b/parse-options.h @@ -140,8 +140,8 @@ struct option { #define OPT_INTEGER_F(s, l, v, h, f) { OPTION_INTEGER, (s), (l), (v), N_("n"), (h), (f) } #define OPT_END() { OPTION_END } -#define OPT_ARGUMENT(l, h) { OPTION_ARGUMENT, 0, (l), NULL, NULL, \ - (h), PARSE_OPT_NOARG} +#define OPT_ARGUMENT(l, v, h) { OPTION_ARGUMENT, 0, (l), (v), NULL, \ + (h), PARSE_OPT_NOARG, NULL, 1 } #define OPT_GROUP(h) { OPTION_GROUP, 0, NULL, NULL, NULL, (h) } #define OPT_BIT(s, l, v, h, b) OPT_BIT_F(s, l, v, h, b, 0) #define OPT_BITOP(s, l, v, h, set, clear) { OPTION_BITOP, (s), (l), (v), NULL, (h), \ diff --git a/t/helper/test-parse-options.c b/t/helper/test-parse-options.c index cc88fba057..2232b2f79e 100644 --- a/t/helper/test-parse-options.c +++ b/t/helper/test-parse-options.c @@ -132,7 +132,7 @@ int cmd__parse_options(int argc, const char **argv) OPT_NOOP_NOARG(0, "obsolete"), OPT_STRING_LIST(0, "list", &list, "str", "add str to list"), OPT_GROUP("Magic arguments"), - OPT_ARGUMENT("quux", "means --quux"), + OPT_ARGUMENT("quux", NULL, "means --quux"), OPT_NUMBER_CALLBACK(&integer, "set integer to NUM", number_callback), { OPTION_COUNTUP, '+', NULL, &boolean, NULL, "same as -b", diff --git a/t/t7800-difftool.sh b/t/t7800-difftool.sh index bb9a7f4ff9..480dd0633f 100755 --- a/t/t7800-difftool.sh +++ b/t/t7800-difftool.sh @@ -705,4 +705,14 @@ test_expect_success SYMLINKS 'difftool --dir-diff handles modified symlinks' ' test_cmp expect actual ' +test_expect_success 'outside worktree' ' + echo 1 >1 && + echo 2 >2 && + test_expect_code 1 nongit git \ + -c diff.tool=echo -c difftool.echo.cmd="echo \$LOCAL \$REMOTE" \ + difftool --no-prompt --no-index ../1 ../2 >actual && + echo "../1 ../2" >expect && + test_cmp expect actual +' + test_done |