submodule--helper update-clone: allow multiple references
Allow the user to pass in multiple references to update_clone. Currently this is only internal API, but once the shell script is replaced by a C version, this is needed. This fixes an API bug between the shell script and the helper. Currently the helper accepts "--reference" "--reference=foo" as a OPT_STRING whose value happens to be "--reference=foo", and then uses if (suc->reference) argv_array_push(&child->args, suc->reference) where suc->reference _is_ "--reference=foo" when invoking the underlying "git clone", it cancels out. With this change we omit one of the "--reference" arguments when passing references from the shell script to the helper. Signed-off-by: Stefan Beller <sbeller@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
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@ -584,7 +584,7 @@ struct submodule_update_clone {
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/* configuration parameters which are passed on to the children */
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int quiet;
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int recommend_shallow;
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const char *reference;
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struct string_list references;
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const char *depth;
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const char *recursive_prefix;
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const char *prefix;
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@ -600,7 +600,8 @@ struct submodule_update_clone {
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int failed_clones_nr, failed_clones_alloc;
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};
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#define SUBMODULE_UPDATE_CLONE_INIT {0, MODULE_LIST_INIT, 0, \
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SUBMODULE_UPDATE_STRATEGY_INIT, 0, -1, NULL, NULL, NULL, NULL, \
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SUBMODULE_UPDATE_STRATEGY_INIT, 0, -1, STRING_LIST_INIT_DUP, \
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NULL, NULL, NULL, \
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STRING_LIST_INIT_DUP, 0, NULL, 0, 0}
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@ -710,8 +711,11 @@ static int prepare_to_clone_next_submodule(const struct cache_entry *ce,
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argv_array_pushl(&child->args, "--path", sub->path, NULL);
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argv_array_pushl(&child->args, "--name", sub->name, NULL);
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argv_array_pushl(&child->args, "--url", url, NULL);
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if (suc->reference)
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argv_array_push(&child->args, suc->reference);
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if (suc->references.nr) {
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struct string_list_item *item;
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for_each_string_list_item(item, &suc->references)
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argv_array_pushl(&child->args, "--reference", item->string, NULL);
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}
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if (suc->depth)
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argv_array_push(&child->args, suc->depth);
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@ -830,7 +834,7 @@ static int update_clone(int argc, const char **argv, const char *prefix)
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OPT_STRING(0, "update", &update,
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N_("string"),
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N_("rebase, merge, checkout or none")),
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OPT_STRING(0, "reference", &suc.reference, N_("repo"),
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OPT_STRING_LIST(0, "reference", &suc.references, N_("repo"),
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N_("reference repository")),
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OPT_STRING(0, "depth", &suc.depth, "<depth>",
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N_("Create a shallow clone truncated to the "
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@ -575,7 +575,7 @@ cmd_update()
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${wt_prefix:+--prefix "$wt_prefix"} \
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${prefix:+--recursive-prefix "$prefix"} \
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${update:+--update "$update"} \
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${reference:+--reference "$reference"} \
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${reference:+"$reference"} \
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${depth:+--depth "$depth"} \
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${recommend_shallow:+"$recommend_shallow"} \
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${jobs:+$jobs} \
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