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submodule-config: keep update strategy around

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Currently submodule.<name>.update is only handled by git-submodule.sh.
C code will start to need to make use of that value as more of the
functionality of git-submodule.sh moves into library code in C.

Add the update field to 'struct submodule' and populate it so it can
be read as sm->update or from sm->update_command.

Reviewed-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Stefan Beller 2016-02-29 18:07:11 -08:00 committed by Junio C Hamano
parent 2a73b3dad0
commit ea2fa5a338
4 changed files with 52 additions and 0 deletions
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13
submodule-config.c
View File

@ -59,6 +59,7 @@ static void free_one_config(struct submodule_entry *entry)
{
free((void *) entry->config->path);
free((void *) entry->config->name);
free((void *) entry->config->update_strategy.command);
free(entry->config);
}
@ -194,6 +195,8 @@ static struct submodule *lookup_or_create_by_name(struct submodule_cache *cache,
submodule->path = NULL;
submodule->url = NULL;
submodule->update_strategy.type = SM_UPDATE_UNSPECIFIED;
submodule->update_strategy.command = NULL;
submodule->fetch_recurse = RECURSE_SUBMODULES_NONE;
submodule->ignore = NULL;
@ -311,6 +314,16 @@ static int parse_config(const char *var, const char *value, void *data)
free((void *) submodule->url);
submodule->url = xstrdup(value);
}
} else if (!strcmp(item.buf, "update")) {
if (!value)
ret = config_error_nonbool(var);
else if (!me->overwrite &&
submodule->update_strategy.type != SM_UPDATE_UNSPECIFIED)
warn_multiple_config(me->commit_sha1, submodule->name,
"update");
else if (parse_submodule_update_strategy(value,
&submodule->update_strategy) < 0)
die(_("invalid value for %s"), var);
}
strbuf_release(&name);

2
submodule-config.h
View File

@ -2,6 +2,7 @@
#define SUBMODULE_CONFIG_CACHE_H
#include "hashmap.h"
#include "submodule.h"
#include "strbuf.h"
/*
@ -14,6 +15,7 @@ struct submodule {
const char *url;
int fetch_recurse;
const char *ignore;
struct submodule_update_strategy update_strategy;
/* the sha1 blob id of the responsible .gitmodules file */
unsigned char gitmodules_sha1[20];
};

21
submodule.c
View File

@ -210,6 +210,27 @@ void gitmodules_config(void)
}
}
int parse_submodule_update_strategy(const char *value,
struct submodule_update_strategy *dst)
{
free((void*)dst->command);
dst->command = NULL;
if (!strcmp(value, "none"))
dst->type = SM_UPDATE_NONE;
else if (!strcmp(value, "checkout"))
dst->type = SM_UPDATE_CHECKOUT;
else if (!strcmp(value, "rebase"))
dst->type = SM_UPDATE_REBASE;
else if (!strcmp(value, "merge"))
dst->type = SM_UPDATE_MERGE;
else if (skip_prefix(value, "!", &value)) {
dst->type = SM_UPDATE_COMMAND;
dst->command = xstrdup(value);
} else
return -1;
return 0;
}
void handle_ignore_submodules_arg(struct diff_options *diffopt,
const char *arg)
{

16
submodule.h
View File

@ -13,6 +13,20 @@ enum {
RECURSE_SUBMODULES_ON = 2
};
enum submodule_update_type {
SM_UPDATE_UNSPECIFIED = 0,
SM_UPDATE_CHECKOUT,
SM_UPDATE_REBASE,
SM_UPDATE_MERGE,
SM_UPDATE_NONE,
SM_UPDATE_COMMAND
};
struct submodule_update_strategy {
enum submodule_update_type type;
const char *command;
};
int is_staging_gitmodules_ok(void);
int update_path_in_gitmodules(const char *oldpath, const char *newpath);
int remove_path_from_gitmodules(const char *path);
@ -21,6 +35,8 @@ void set_diffopt_flags_from_submodule_config(struct diff_options *diffopt,
const char *path);
int submodule_config(const char *var, const char *value, void *cb);
void gitmodules_config(void);
int parse_submodule_update_strategy(const char *value,
struct submodule_update_strategy *dst);
void handle_ignore_submodules_arg(struct diff_options *diffopt, const char *);
void show_submodule_summary(FILE *f, const char *path,
const char *line_prefix,