From dc66e3c799cd5d8f3e664e26899bca200ffdfd7b Mon Sep 17 00:00:00 2001 From: Azeem Bande-Ali Date: Sat, 14 Aug 2021 05:11:12 +0000 Subject: help.c: help.autocorrect=prompt waits for user action If help.autocorrect is set to 'prompt', the user is prompted before the suggested action is executed. Based on original patch by David Barr https://lore.kernel.org/git/1283758030-13345-1-git-send-email-david.barr@cordelta.com/ Signed-off-by: Azeem Bande-Ali Signed-off-by: Junio C Hamano --- help.c | 21 ++++++++++++++++++++- 1 file changed, 20 insertions(+), 1 deletion(-) (limited to 'help.c') diff --git a/help.c b/help.c index 3c3bdec213..be2fa64241 100644 --- a/help.c +++ b/help.c @@ -11,6 +11,7 @@ #include "version.h" #include "refs.h" #include "parse-options.h" +#include "prompt.h" struct category_description { uint32_t category; @@ -472,6 +473,7 @@ int is_in_cmdlist(struct cmdnames *c, const char *s) static int autocorrect; static struct cmdnames aliases; +#define AUTOCORRECT_PROMPT (-3) #define AUTOCORRECT_NEVER (-2) #define AUTOCORRECT_IMMEDIATELY (-1) @@ -486,6 +488,8 @@ static int git_unknown_cmd_config(const char *var, const char *value, void *cb) autocorrect = AUTOCORRECT_NEVER; } else if (!strcmp(value, "immediate")) { autocorrect = AUTOCORRECT_IMMEDIATELY; + } else if (!strcmp(value, "prompt")) { + autocorrect = AUTOCORRECT_PROMPT; } else { int v = git_config_int(var, value); autocorrect = (v < 0) @@ -539,6 +543,12 @@ const char *help_unknown_cmd(const char *cmd) read_early_config(git_unknown_cmd_config, NULL); + /* + * Disable autocorrection prompt in a non-interactive session + */ + if ((autocorrect == AUTOCORRECT_PROMPT) && (!isatty(0) || !isatty(2))) + autocorrect = AUTOCORRECT_NEVER; + if (autocorrect == AUTOCORRECT_NEVER) { fprintf_ln(stderr, _("git: '%s' is not a git command. See 'git --help'."), cmd); exit(1); @@ -618,7 +628,16 @@ const char *help_unknown_cmd(const char *cmd) _("Continuing under the assumption that " "you meant '%s'."), assumed); - else { + else if (autocorrect == AUTOCORRECT_PROMPT) { + char *answer; + struct strbuf msg = STRBUF_INIT; + strbuf_addf(&msg, _("Run '%s' instead? (y/N)"), assumed); + answer = git_prompt(msg.buf, PROMPT_ECHO); + strbuf_release(&msg); + if (!(starts_with(answer, "y") || + starts_with(answer, "Y"))) + exit(1); + } else { fprintf_ln(stderr, _("Continuing in %0.1f seconds, " "assuming that you meant '%s'."), -- cgit v1.2.3