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| | #include "builtin.h"
#include "ref-filter.h"
#include "parse-options.h"
#include "metacommit.h"
#include "change-table.h"
#include "config.h"
static const char * const builtin_change_usage[] = {
N_("git change update [--force] [--replace <treeish>...] [--origin <treesih>...] [--content <newtreeish>]"),
NULL
};
static const char * const builtin_update_usage[] = {
N_("git change update [--force] [--replace <treeish>...] [--origin <treesih>...] [--content <newtreeish>]"),
NULL
};
struct update_state {
int options;
const char* change;
const char* content;
struct string_list replace;
struct string_list origin;
};
static void init_update_state(struct update_state *state)
{
memset(state, 0, sizeof(*state));
state->content = "HEAD";
string_list_init_nodup(&state->replace);
string_list_init_nodup(&state->origin);
}
static void clear_update_state(struct update_state *state)
{
string_list_clear(&state->replace, 0);
string_list_clear(&state->origin, 0);
}
static int update_option_parse_replace(const struct option *opt,
const char *arg, int unset)
{
struct update_state *state = opt->value;
string_list_append(&state->replace, arg);
return 0;
}
static int update_option_parse_origin(const struct option *opt,
const char *arg, int unset)
{
struct update_state *state = opt->value;
string_list_append(&state->origin, arg);
return 0;
}
static int resolve_commit(const char *committish, struct object_id *result)
{
struct commit *commit;
if (get_oid_committish(committish, result))
die(_("Failed to resolve '%s' as a valid revision."), committish);
commit = lookup_commit_reference(the_repository, result);
if (!commit)
die(_("Could not parse object '%s'."), committish);
oidcpy(result, &commit->object.oid);
return 0;
}
static void resolve_commit_list(const struct string_list *commitsish_list,
struct oid_array* result)
{
int i;
for (i = 0; i < commitsish_list->nr; i++) {
struct string_list_item *item = &commitsish_list->items[i];
struct object_id next;
resolve_commit(item->string, &next);
oid_array_append(result, &next);
}
}
/*
* Given the command-line options for the update command, fills in a
* metacommit_data with the corresponding changes.
*/
static void get_metacommit_from_command_line(
const struct update_state* commands, struct metacommit_data *result)
{
resolve_commit(commands->content, &(result->content));
resolve_commit_list(&(commands->replace), &(result->replace));
resolve_commit_list(&(commands->origin), &(result->origin));
}
static int perform_update(
struct repository *repo,
const struct update_state *state,
struct strbuf *err)
{
struct metacommit_data metacommit;
struct change_table chtable;
struct string_list changes;
int ret;
int i;
change_table_init(&chtable);
change_table_add_all_visible(&chtable, repo);
string_list_init_dup(&changes);
init_metacommit_data(&metacommit);
get_metacommit_from_command_line(state, &metacommit);
ret = record_metacommit_withresult(repo, &chtable, &metacommit,
state->change, state->options, err, &changes);
for (i = 0; i < changes.nr; i++) {
struct string_list_item *it = &changes.items[i];
const char* name = lstrip_ref_components(it->string, 1);
if (!name)
die(_("Failed to remove `refs/` from %s"), it->string);
if (it->util)
fprintf(stdout, N_("Updated change %s\n"), name);
else
fprintf(stdout, N_("Created change %s\n"), name);
}
string_list_clear(&changes, 0);
change_table_clear(&chtable);
clear_metacommit_data(&metacommit);
return ret;
}
static int change_update(int argc, const char **argv, const char* prefix)
{
int result;
int force = 0;
int newchange = 0;
struct strbuf err = STRBUF_INIT;
struct update_state state;
struct option options[] = {
{ OPTION_CALLBACK, 'r', "replace", &state, N_("commit"),
N_("marks the given commit as being obsolete"),
0, update_option_parse_replace },
{ OPTION_CALLBACK, 'o', "origin", &state, N_("commit"),
N_("marks the given commit as being the origin of this commit"),
0, update_option_parse_origin },
OPT_BOOL('F', "force", &force,
N_("overwrite an existing change of the same name")),
OPT_STRING('c', "content", &state.content, N_("commit"),
N_("identifies the new content commit for the change")),
OPT_STRING('g', "change", &state.change, N_("commit"),
N_("name of the change to update")),
OPT_BOOL('n', "new", &newchange,
N_("create a new change - do not append to any existing change")),
OPT_END()
};
init_update_state(&state);
argc = parse_options(argc, argv, prefix, options, builtin_update_usage, 0);
if (force) state.options |= UPDATE_OPTION_FORCE;
if (newchange) state.options |= UPDATE_OPTION_NOAPPEND;
result = perform_update(the_repository, &state, &err);
if (result < 0) {
error("%s", err.buf);
strbuf_release(&err);
}
clear_update_state(&state);
return result;
}
int cmd_change(int argc, const char **argv, const char *prefix)
{
/* No options permitted before subcommand currently */
struct option options[] = {
OPT_END()
};
int result = 1;
argc = parse_options(argc, argv, prefix, options, builtin_change_usage,
PARSE_OPT_STOP_AT_NON_OPTION);
if (argc < 1)
usage_with_options(builtin_change_usage, options);
else if (!strcmp(argv[0], "update"))
result = change_update(argc, argv, prefix);
else {
error(_("Unknown subcommand: %s"), argv[0]);
usage_with_options(builtin_change_usage, options);
}
return result ? 1 : 0;
}
|