From f0596ecc8de9bdbdfc394b2f153ff67f64fc4615 Mon Sep 17 00:00:00 2001 From: Ariadne Conill Date: Mon, 15 Jul 2019 07:41:04 -0500 Subject: [PATCH] log: add warning for unspecified log.mailmap setting Based on discussions around changing the log.mailmap default to being enabled, it was decided that a transitional period is required. Accordingly, we announce this transitional period with a warning message. Signed-off-by: Ariadne Conill Signed-off-by: Junio C Hamano --- builtin/log.c | 26 ++++++++++++++++++++++++-- 1 file changed, 24 insertions(+), 2 deletions(-) diff --git a/builtin/log.c b/builtin/log.c index 7c8767d3bc..1cf9e37736 100644 --- a/builtin/log.c +++ b/builtin/log.c @@ -47,7 +47,7 @@ static int default_follow; static int default_show_signature; static int decoration_style; static int decoration_given; -static int use_mailmap_config; +static int use_mailmap_config = -1; static const char *fmt_patch_subject_prefix = "PATCH"; static const char *fmt_pretty; @@ -63,9 +63,14 @@ struct line_opt_callback_data { struct string_list args; }; +static int session_is_interactive(void) +{ + return isatty(1) || pager_in_use(); +} + static int auto_decoration_style(void) { - return (isatty(1) || pager_in_use()) ? DECORATE_SHORT_REFS : 0; + return session_is_interactive() ? DECORATE_SHORT_REFS : 0; } static int parse_decoration_style(const char *value) @@ -151,6 +156,16 @@ static void cmd_log_init_defaults(struct rev_info *rev) parse_date_format(default_date_mode, &rev->date_mode); } +static char warn_unspecified_mailmap_msg[] = +N_("log.mailmap is not set; its implicit value will change in an\n" + "upcoming release. To squelch this message and preserve current\n" + "behaviour, set the log.mailmap configuration value to false.\n" + "\n" + "To squelch this message and adopt the new behaviour now, set the\n" + "log.mailmap configuration value to true.\n" + "\n" + "See 'git help config' and search for 'log.mailmap' for further information."); + static void cmd_log_init_finish(int argc, const char **argv, const char *prefix, struct rev_info *rev, struct setup_revision_opt *opt) { @@ -199,6 +214,13 @@ static void cmd_log_init_finish(int argc, const char **argv, const char *prefix, memset(&w, 0, sizeof(w)); userformat_find_requirements(NULL, &w); + if (mailmap < 0) { + if (session_is_interactive() && !rev->pretty_given) + warning("%s\n", _(warn_unspecified_mailmap_msg)); + + mailmap = 0; + } + if (!rev->show_notes_given && (!rev->pretty_given || w.notes)) rev->show_notes = 1; if (rev->show_notes) -- 2.43.2