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archive: use parseopt for local-only options

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Replace the hand-rolled parsers that find and remove --remote and --exec
by a parseopt parser that also handles --output.

All three options only have a meaning if no remote server is used or on
the local side.  They must be rejected by upload-archive and should not
be sent to the server by archive.

We can't use a single parser for both remote and local side because the
remote end possibly understands a different set of options than the
local side.  A local parser would then wrongly accuse options valid on
the other side as being incorrect.

This patch implements a very forgiving parser that understands only the
three options mentioned above.  All others are passed to the normal,
complete parser in archive.c (running either locally in archive, or
remotely in upload-archive).  This normal parser definition contains
dummy entries for the three options, in order for them to appear in the
help screen.

The parseopt parser allows multiple occurrences of --remote and --exec
unlike the previous one; the one specified last wins.  This looseness
is acceptable, I think.

Signed-off-by: Rene Scharfe <rene.scharfe@lsrfire.ath.cx>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
René Scharfe
2009-03-08 19:21:53 +01:00
committed by Junio C Hamano
parent 49b6180252
commit 52e7787609
2 changed files with 40 additions and 81 deletions
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18
archive.c
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@ -239,19 +239,6 @@ static void parse_treeish_arg(const char **argv,
ar_args->time = archive_time;
}
static void create_output_file(const char *output_file)
{
int output_fd = open(output_file, O_CREAT | O_WRONLY | O_TRUNC, 0666);
if (output_fd < 0)
die("could not create archive file: %s ", output_file);
if (output_fd != 1) {
if (dup2(output_fd, 1) < 0)
die("could not redirect output");
else
close(output_fd);
}
}
#define OPT__COMPR(s, v, h, p) \
{ OPTION_SET_INT, (s), NULL, (v), NULL, (h), \
PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL, (p) }
@ -306,13 +293,12 @@ static int parse_archive_args(int argc, const char **argv,
die("Unexpected option --remote");
if (exec)
die("Option --exec can only be used together with --remote");
if (output)
die("Unexpected option --output");
if (!base)
base = "";
if (output)
create_output_file(output);
if (list) {
for (i = 0; i < ARRAY_SIZE(archivers); i++)
printf("%s\n", archivers[i].name);