From 575ba9d69d5dfd07d95343fe946a5991c4cb27d6 Mon Sep 17 00:00:00 2001 From: Matthias Lederhofer Date: Sun, 25 Jun 2006 15:56:18 +0200 Subject: GIT_TRACE: show which built-in/external commands are executed With the environment variable GIT_TRACE set git will show - alias expansion - built-in command execution - external command execution on stderr. Signed-off-by: Matthias Lederhofer Signed-off-by: Junio C Hamano --- git.c | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) (limited to 'git.c') diff --git a/git.c b/git.c index 256730112e..27989da77c 100644 --- a/git.c +++ b/git.c @@ -11,6 +11,7 @@ #include "git-compat-util.h" #include "exec_cmd.h" #include "cache.h" +#include "quote.h" #include "builtin.h" @@ -120,6 +121,18 @@ static int handle_alias(int *argcp, const char ***argv) if (!strcmp(alias_command, new_argv[0])) die("recursive alias: %s", alias_command); + if (getenv("GIT_TRACE")) { + int i; + fprintf(stderr, "trace: alias expansion: %s =>", + alias_command); + for (i = 0; i < count; ++i) { + fputc(' ', stderr); + sq_quote_print(stderr, new_argv[i]); + } + fputc('\n', stderr); + fflush(stderr); + } + /* insert after command name */ if (*argcp > 1) { new_argv = realloc(new_argv, sizeof(char*) * @@ -202,6 +215,18 @@ static void handle_internal_command(int argc, const char **argv, char **envp) struct cmd_struct *p = commands+i; if (strcmp(p->cmd, cmd)) continue; + + if (getenv("GIT_TRACE")) { + int i; + fprintf(stderr, "trace: built-in: git"); + for (i = 0; i < argc; ++i) { + fputc(' ', stderr); + sq_quote_print(stderr, argv[i]); + } + putc('\n', stderr); + fflush(stderr); + } + exit(p->fn(argc, argv, envp)); } } -- cgit 1.2.3-korg