log: if --decorate is not given, default to --decorate=auto

Signed-off-by: Alex Henrie <alexhenrie24@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>

Alex Henrie committed Mar 23, 2017 at 23:46 UTC 940a911f8ec00e291a66c2d1ed05293a38ae6138
2 files changed +17 -2
builtin/log.c
+8 -1
@@ -52,6 +52,11 @@ struct line_opt_callback_data {
52 struct string_list args;
53 };
54
55 +static int auto_decoration_style(void)
56 +{
57 + return (isatty(1) || pager_in_use()) ? DECORATE_SHORT_REFS : 0;
58 +}
59 +
60 static int parse_decoration_style(const char *var, const char *value)
61 {
62 switch (git_config_maybe_bool(var, value)) {
@@ -67,7 +72,7 @@ static int parse_decoration_style(const char *var, const char *value)
72 else if (!strcmp(value, "short"))
73 return DECORATE_SHORT_REFS;
74 else if (!strcmp(value, "auto"))
70 - return (isatty(1) || pager_in_use()) ? DECORATE_SHORT_REFS : 0;
75 + return auto_decoration_style();
76 return -1;
77 }
78
@@ -405,6 +410,8 @@ static int git_log_config(const char *var, const char *value, void *cb)
410 if (decoration_style < 0)
411 decoration_style = 0; /* maybe warn? */
412 return 0;
413 + } else {
414 + decoration_style = auto_decoration_style();
415 }
416 if (!strcmp(var, "log.showroot")) {
417 default_show_root = git_config_bool(var, value);
t/t4202-log.sh
+9 -1
@@ -4,6 +4,7 @@ test_description='git log'
4
5 . ./test-lib.sh
6 . "$TEST_DIRECTORY/lib-gpg.sh"
7 +. "$TEST_DIRECTORY/lib-terminal.sh"
8
9 test_expect_success setup '
10
@@ -520,7 +521,7 @@ test_expect_success 'log --graph with merge' '
521 '
522
523 test_expect_success 'log.decorate configuration' '
523 - git log --oneline >expect.none &&
524 + git log --oneline --no-decorate >expect.none &&
525 git log --oneline --decorate >expect.short &&
526 git log --oneline --decorate=full >expect.full &&
527
@@ -576,6 +577,13 @@ test_expect_success 'log.decorate configuration' '
577
578 '
579
580 +test_expect_success TTY 'log output on a TTY' '
581 + git log --oneline --decorate >expect.short &&
582 +
583 + test_terminal git log --oneline >actual &&
584 + test_cmp expect.short actual
585 +'
586 +
587 test_expect_success 'reflog is expected format' '
588 git log -g --abbrev-commit --pretty=oneline >expect &&
589 git reflog >actual &&