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Allow aliases to expand to shell commands

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If the alias expansion is prefixed with an exclamation point, treat
it as a shell command which is run using system(3).

Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Signed-off-by: Junio C Hamano <junkio@cox.net>
This commit is contained in:
Theodore Ts'o
2007-02-10 19:33:58 -05:00
committed by Junio C Hamano
parent f3dd015c91
commit dfd42a3c62
2 changed files with 16 additions and 0 deletions
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10
git.c
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@ -159,6 +159,16 @@ static int handle_alias(int *argcp, const char ***argv)
alias_command = (*argv)[0];
git_config(git_alias_config);
if (alias_string) {
if (alias_string[0] == '!') {
trace_printf("trace: alias to shell cmd: %s => %s\n",
alias_command, alias_string + 1);
ret = system(alias_string + 1);
if (ret >= 0 && WIFEXITED(ret) &&
WEXITSTATUS(ret) != 127)
exit(WEXITSTATUS(ret));
die("Failed to run '%s' when expanding alias '%s'\n",
alias_string + 1, alias_command);
}
count = split_cmdline(alias_string, &new_argv);
option_count = handle_options(&new_argv, &count);
memmove(new_argv - option_count, new_argv,