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submodule recursing: do not write a config variable twice

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The command line option for '--recurse-submodules' is implemented
using an OPTION_CALLBACK, which takes both the callback (that sets
the file static global variable) as well as passes the same file
static global variable to the option parsing machinery to assign it.
This is fixed in this commit by passing NULL as the variable. The
callback sets it instead

Signed-off-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Stefan Beller
2017-05-26 12:10:10 -07:00
committed by Junio C Hamano
parent 234b10d6f1
commit 58b75bd6db
3 changed files with 3 additions and 3 deletions
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builtin/read-tree.c
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@ -157,7 +157,7 @@ int cmd_read_tree(int argc, const char **argv, const char *unused_prefix)
N_("skip applying sparse checkout filter")),
OPT_BOOL(0, "debug-unpack", &opts.debug_unpack,
N_("debug unpack-trees")),
{ OPTION_CALLBACK, 0, "recurse-submodules", &recurse_submodules,
{ OPTION_CALLBACK, 0, "recurse-submodules", NULL,
"checkout", "control recursive updating of submodules",
PARSE_OPT_OPTARG, option_parse_recurse_submodules },
OPT_END()