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submodule--helper update-clone: allow multiple references

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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>
This commit is contained in:
Stefan Beller 2016-08-11 16:14:01 -07:00 committed by Junio C Hamano
parent 965dbea09a
commit 5f50f33e87
2 changed files with 10 additions and 6 deletions
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14
builtin/submodule--helper.c
View file

@ -584,7 +584,7 @@ struct submodule_update_clone {
/* configuration parameters which are passed on to the children */
int quiet;
int recommend_shallow;
const char *reference;
struct string_list references;
const char *depth;
const char *recursive_prefix;
const char *prefix;
@ -600,7 +600,8 @@ struct submodule_update_clone {
int failed_clones_nr, failed_clones_alloc;
};
#define SUBMODULE_UPDATE_CLONE_INIT {0, MODULE_LIST_INIT, 0, \
SUBMODULE_UPDATE_STRATEGY_INIT, 0, -1, NULL, NULL, NULL, NULL, \
SUBMODULE_UPDATE_STRATEGY_INIT, 0, -1, STRING_LIST_INIT_DUP, \
NULL, NULL, NULL, \
STRING_LIST_INIT_DUP, 0, NULL, 0, 0}
@ -710,8 +711,11 @@ static int prepare_to_clone_next_submodule(const struct cache_entry *ce,
argv_array_pushl(&child->args, "--path", sub->path, NULL);
argv_array_pushl(&child->args, "--name", sub->name, NULL);
argv_array_pushl(&child->args, "--url", url, NULL);
if (suc->reference)
argv_array_push(&child->args, suc->reference);
if (suc->references.nr) {
struct string_list_item *item;
for_each_string_list_item(item, &suc->references)
argv_array_pushl(&child->args, "--reference", item->string, NULL);
}
if (suc->depth)
argv_array_push(&child->args, suc->depth);
@ -830,7 +834,7 @@ static int update_clone(int argc, const char **argv, const char *prefix)
OPT_STRING(0, "update", &update,
N_("string"),
N_("rebase, merge, checkout or none")),
OPT_STRING(0, "reference", &suc.reference, N_("repo"),
OPT_STRING_LIST(0, "reference", &suc.references, N_("repo"),
N_("reference repository")),
OPT_STRING(0, "depth", &suc.depth, "<depth>",
N_("Create a shallow clone truncated to the "

2
git-submodule.sh
View file

@ -575,7 +575,7 @@ cmd_update()
${wt_prefix:+--prefix "$wt_prefix"} \
${prefix:+--recursive-prefix "$prefix"} \
${update:+--update "$update"} \
${reference:+--reference "$reference"} \
${reference:+"$reference"} \
${depth:+--depth "$depth"} \
${recommend_shallow:+"$recommend_shallow"} \
${jobs:+$jobs} \