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tar: --one-top-level=DIR must be relative

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* src/tar.c (decode_options): Require --one-top-level operand
to be relative.
This commit is contained in:
Paul Eggert
2026-01-30 12:48:48 -08:00
parent 8fca6143ea
commit 678dbc679a
3 changed files with 19 additions and 7 deletions
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src/tar.c
+4 -1
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@@ -2675,7 +2675,7 @@ decode_options (int argc, char **argv)
one_top_level_option = false;
}
if (one_top_level_option && !one_top_level_dir)
if (!one_top_level_dir && one_top_level_option)
{
/* If the user wants to guarantee that everything is under one
directory, determine its name now and let it be created later. */
@@ -2687,6 +2687,9 @@ decode_options (int argc, char **argv)
paxusage (_("Cannot deduce top-level directory name; "
"please set it explicitly with --one-top-level=DIR"));
}
if (one_top_level_dir && !IS_RELATIVE_FILE_NAME (one_top_level_dir))
paxusage(_("--one-top-level=DIR must use a relative file name"));
}
/* If ready to unlink hierarchies, so we are for simpler files. */