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split_cmdline: Allow caller to access error string

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This allows the caller to add its own error message to that returned
by split_cmdline.  Thus error output following a failed split_cmdline
can be of the form

fatal: Bad alias.test string: cmdline ends with \

rather than

error: cmdline ends with \
fatal: Bad alias.test string

Signed-off-by: Greg Brockman <gdb@mit.edu>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Greg Brockman
2010-08-07 01:13:39 -04:00
committed by Junio C Hamano
parent 64fdc08dac
commit ad9ac6db5d
4 changed files with 18 additions and 4 deletions
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3
git.c
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@ -188,7 +188,8 @@ static int handle_alias(int *argcp, const char ***argv)
}
count = split_cmdline(alias_string, &new_argv);
if (count < 0)
die("Bad alias.%s string", alias_command);
die("Bad alias.%s string: %s", alias_command,
split_cmdline_strerror(count));
option_count = handle_options(&new_argv, &count, &envchanged);
if (envchanged)
die("alias '%s' changes environment variables\n"