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builtin/read-tree: add --recurse-submodules switch

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A new known failure mode is introduced[1], which is actually not
a failure but a feature in read-tree. Unlike checkout for which
the recursive submodule tests were originally written, read-tree does
warn about ignored untracked files that would be overwritten.
For the sake of keeping the test library for submodules generic, just
mark the test as a failure.

[1] KNOWN_FAILURE_SUBMODULE_OVERWRITE_IGNORED_UNTRACKED

Signed-off-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Stefan Beller
2017-03-14 14:46:42 -07:00
committed by Junio C Hamano
parent 1fc458d958
commit 25804914fa
4 changed files with 49 additions and 1 deletions
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29
builtin/read-tree.c
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@ -15,10 +15,13 @@
#include "builtin.h"
#include "parse-options.h"
#include "resolve-undo.h"
#include "submodule.h"
#include "submodule-config.h"
static int nr_trees;
static int read_empty;
static struct tree *trees[MAX_UNPACK_TREES];
static int recurse_submodules = RECURSE_SUBMODULES_DEFAULT;
static int list_tree(unsigned char *sha1)
{
@ -96,6 +99,23 @@ static int debug_merge(const struct cache_entry * const *stages,
return 0;
}
static int option_parse_recurse_submodules(const struct option *opt,
const char *arg, int unset)
{
if (unset) {
recurse_submodules = RECURSE_SUBMODULES_OFF;
return 0;
}
if (arg)
recurse_submodules =
parse_update_recurse_submodules_arg(opt->long_name,
arg);
else
recurse_submodules = RECURSE_SUBMODULES_ON;
return 0;
}
static struct lock_file lock_file;
int cmd_read_tree(int argc, const char **argv, const char *unused_prefix)
@ -137,6 +157,9 @@ int cmd_read_tree(int argc, const char **argv, const char *unused_prefix)
N_("skip applying sparse checkout filter")),
OPT_BOOL(0, "debug-unpack", &opts.debug_unpack,
N_("debug unpack-trees")),
{ OPTION_CALLBACK, 0, "recurse-submodules", &recurse_submodules,
"checkout", "control recursive updating of submodules",
PARSE_OPT_OPTARG, option_parse_recurse_submodules },
OPT_END()
};
@ -152,6 +175,12 @@ int cmd_read_tree(int argc, const char **argv, const char *unused_prefix)
hold_locked_index(&lock_file, LOCK_DIE_ON_ERROR);
if (recurse_submodules != RECURSE_SUBMODULES_DEFAULT) {
gitmodules_config();
git_config(submodule_config, NULL);
set_config_update_recurse_submodules(RECURSE_SUBMODULES_ON);
}
prefix_set = opts.prefix ? 1 : 0;
if (1 < opts.merge + opts.reset + prefix_set)
die("Which one? -m, --reset, or --prefix?");