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submodule-config: rename commit_sha1 to treeish_name 

It is also possible to pass in any treeish name to lookup a submodule
config. Make it clear by naming the variables accordingly. Looking up
a submodule config by tree hash will come in handy in a later patch.

Signed-off-by: Stefan Beller <sbeller@google.com>
Reviewed-by: Brandon Williams <bmwill@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Stefan Beller 2016-11-22 12:14:37 -08:00 коммит произвёл Junio C Hamano
Родитель e6ead0f2db
Коммит 73c293bb6c
4 изменённых файлов: 44 добавлений и 29 удалений
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9
Documentation/technical/api-submodule-config.txt
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@ -47,15 +47,16 @@ Functions
Can be passed to the config parsing infrastructure to parse
local (worktree) submodule configurations.
`const struct submodule *submodule_from_path(const unsigned char *commit_sha1, const char *path)`::
`const struct submodule *submodule_from_path(const unsigned char *treeish_name, const char *path)`::
Lookup values for one submodule by its commit_sha1 and path.
Given a tree-ish in the superproject and a path, return the
submodule that is bound at the path in the named tree.
`const struct submodule *submodule_from_name(const unsigned char *commit_sha1, const char *name)`::
`const struct submodule *submodule_from_name(const unsigned char *treeish_name, const char *name)`::
The same as above but lookup by name.
If given the null_sha1 as commit_sha1 the local configuration of a
If given the null_sha1 as treeish_name the local configuration of a
submodule will be returned (e.g. consolidated values from local git
configuration and the .gitmodules file in the worktree).

46
submodule-config.c
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@ -263,12 +263,12 @@ int parse_push_recurse_submodules_arg(const char *opt, const char *arg)
return parse_push_recurse(opt, arg, 1);
}
static void warn_multiple_config(const unsigned char *commit_sha1,
static void warn_multiple_config(const unsigned char *treeish_name,
const char *name, const char *option)
{
const char *commit_string = "WORKTREE";
if (commit_sha1)
commit_string = sha1_to_hex(commit_sha1);
if (treeish_name)
commit_string = sha1_to_hex(treeish_name);
warning("%s:.gitmodules, multiple configurations found for "
"'submodule.%s.%s'. Skipping second one!",
commit_string, name, option);
@ -276,7 +276,7 @@ static void warn_multiple_config(const unsigned char *commit_sha1,
struct parse_config_parameter {
struct submodule_cache *cache;
const unsigned char *commit_sha1;
const unsigned char *treeish_name;
const unsigned char *gitmodules_sha1;
int overwrite;
};
@ -300,7 +300,7 @@ static int parse_config(const char *var, const char *value, void *data)
if (!value)
ret = config_error_nonbool(var);
else if (!me->overwrite && submodule->path)
warn_multiple_config(me->commit_sha1, submodule->name,
warn_multiple_config(me->treeish_name, submodule->name,
"path");
else {
if (submodule->path)
@ -314,7 +314,7 @@ static int parse_config(const char *var, const char *value, void *data)
int die_on_error = is_null_sha1(me->gitmodules_sha1);
if (!me->overwrite &&
submodule->fetch_recurse != RECURSE_SUBMODULES_NONE)
warn_multiple_config(me->commit_sha1, submodule->name,
warn_multiple_config(me->treeish_name, submodule->name,
"fetchrecursesubmodules");
else
submodule->fetch_recurse = parse_fetch_recurse(
@ -324,7 +324,7 @@ static int parse_config(const char *var, const char *value, void *data)
if (!value)
ret = config_error_nonbool(var);
else if (!me->overwrite && submodule->ignore)
warn_multiple_config(me->commit_sha1, submodule->name,
warn_multiple_config(me->treeish_name, submodule->name,
"ignore");
else if (strcmp(value, "untracked") &&
strcmp(value, "dirty") &&
@ -340,7 +340,7 @@ static int parse_config(const char *var, const char *value, void *data)
if (!value) {
ret = config_error_nonbool(var);
} else if (!me->overwrite && submodule->url) {
warn_multiple_config(me->commit_sha1, submodule->name,
warn_multiple_config(me->treeish_name, submodule->name,
"url");
} else {
free((void *) submodule->url);
@ -351,21 +351,21 @@ static int parse_config(const char *var, const char *value, void *data)
ret = config_error_nonbool(var);
else if (!me->overwrite &&
submodule->update_strategy.type != SM_UPDATE_UNSPECIFIED)
warn_multiple_config(me->commit_sha1, submodule->name,
warn_multiple_config(me->treeish_name, submodule->name,
"update");
else if (parse_submodule_update_strategy(value,
&submodule->update_strategy) < 0)
die(_("invalid value for %s"), var);
} else if (!strcmp(item.buf, "shallow")) {
if (!me->overwrite && submodule->recommend_shallow != -1)
warn_multiple_config(me->commit_sha1, submodule->name,
warn_multiple_config(me->treeish_name, submodule->name,
"shallow");
else
submodule->recommend_shallow =
git_config_bool(var, value);
} else if (!strcmp(item.buf, "branch")) {
if (!me->overwrite && submodule->branch)
warn_multiple_config(me->commit_sha1, submodule->name,
warn_multiple_config(me->treeish_name, submodule->name,
"branch");
else {
free((void *)submodule->branch);
@ -379,18 +379,18 @@ static int parse_config(const char *var, const char *value, void *data)
return ret;
}
static int gitmodule_sha1_from_commit(const unsigned char *commit_sha1,
static int gitmodule_sha1_from_commit(const unsigned char *treeish_name,
unsigned char *gitmodules_sha1,
struct strbuf *rev)
{
int ret = 0;
if (is_null_sha1(commit_sha1)) {
if (is_null_sha1(treeish_name)) {
hashclr(gitmodules_sha1);
return 1;
}
strbuf_addf(rev, "%s:.gitmodules", sha1_to_hex(commit_sha1));
strbuf_addf(rev, "%s:.gitmodules", sha1_to_hex(treeish_name));
if (get_sha1(rev->buf, gitmodules_sha1) >= 0)
ret = 1;
@ -402,7 +402,7 @@ static int gitmodule_sha1_from_commit(const unsigned char *commit_sha1,
* revisions.
*/
static const struct submodule *config_from(struct submodule_cache *cache,
const unsigned char *commit_sha1, const char *key,
const unsigned char *treeish_name, const char *key,
enum lookup_type lookup_type)
{
struct strbuf rev = STRBUF_INIT;
@ -418,7 +418,7 @@ static const struct submodule *config_from(struct submodule_cache *cache,
* return the first submodule. Can be used to check whether
* there are any submodules parsed.
*/
if (!commit_sha1 || !key) {
if (!treeish_name || !key) {
struct hashmap_iter iter;
struct submodule_entry *entry;
@ -428,7 +428,7 @@ static const struct submodule *config_from(struct submodule_cache *cache,
return entry->config;
}
if (!gitmodule_sha1_from_commit(commit_sha1, sha1, &rev))
if (!gitmodule_sha1_from_commit(treeish_name, sha1, &rev))
goto out;
switch (lookup_type) {
@ -448,7 +448,7 @@ static const struct submodule *config_from(struct submodule_cache *cache,
/* fill the submodule config into the cache */
parameter.cache = cache;
parameter.commit_sha1 = commit_sha1;
parameter.treeish_name = treeish_name;
parameter.gitmodules_sha1 = sha1;
parameter.overwrite = 0;
git_config_from_mem(parse_config, CONFIG_ORIGIN_SUBMODULE_BLOB, rev.buf,
@ -484,7 +484,7 @@ int parse_submodule_config_option(const char *var, const char *value)
{
struct parse_config_parameter parameter;
parameter.cache = &the_submodule_cache;
parameter.commit_sha1 = NULL;
parameter.treeish_name = NULL;
parameter.gitmodules_sha1 = null_sha1;
parameter.overwrite = 1;
@ -492,18 +492,18 @@ int parse_submodule_config_option(const char *var, const char *value)
return parse_config(var, value, &parameter);
}
const struct submodule *submodule_from_name(const unsigned char *commit_sha1,
const struct submodule *submodule_from_name(const unsigned char *treeish_name,
const char *name)
{
ensure_cache_init();
return config_from(&the_submodule_cache, commit_sha1, name, lookup_name);
return config_from(&the_submodule_cache, treeish_name, name, lookup_name);
}
const struct submodule *submodule_from_path(const unsigned char *commit_sha1,
const struct submodule *submodule_from_path(const unsigned char *treeish_name,
const char *path)
{
ensure_cache_init();
return config_from(&the_submodule_cache, commit_sha1, path, lookup_path);
return config_from(&the_submodule_cache, treeish_name, path, lookup_path);
}
void submodule_free(void)

4
submodule-config.h
Просмотреть файл

@ -25,9 +25,9 @@ struct submodule {
int parse_fetch_recurse_submodules_arg(const char *opt, const char *arg);
int parse_push_recurse_submodules_arg(const char *opt, const char *arg);
int parse_submodule_config_option(const char *var, const char *value);
const struct submodule *submodule_from_name(const unsigned char *commit_sha1,
const struct submodule *submodule_from_name(const unsigned char *commit_or_tree,
const char *name);
const struct submodule *submodule_from_path(const unsigned char *commit_sha1,
const struct submodule *submodule_from_path(const unsigned char *commit_or_tree,
const char *path);
void submodule_free(void);

14
t/t7411-submodule-config.sh
Просмотреть файл

@ -93,6 +93,20 @@ test_expect_success 'error message contains blob reference' '
)
'
test_expect_success 'using different treeishs works' '
(
cd super &&
git tag new_tag &&
tree=$(git rev-parse HEAD^{tree}) &&
commit=$(git rev-parse HEAD^{commit}) &&
test-submodule-config $commit b >expect &&
test-submodule-config $tree b >actual.1 &&
test-submodule-config new_tag b >actual.2 &&
test_cmp expect actual.1 &&
test_cmp expect actual.2
)
'
cat >super/expect_url <<EOF
Submodule url: 'git@somewhere.else.net:a.git' for path 'b'
Submodule url: 'git@somewhere.else.net:submodule.git' for path 'submodule'