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sparse-checkout: extract pattern update from 'set' subcommand

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In anticipation of adding "add" and "remove" subcommands to the
sparse-checkout builtin, extract a modify_pattern_list() method from the
sparse_checkout_set() method. This command will read input from the
command-line or stdin to construct a set of patterns, then modify the
existing sparse-checkout patterns after a successful update of the
working directory.

Currently, the only way to modify the patterns is to replace all of the
patterns. This will be extended in a later update.

Signed-off-by: Derrick Stolee <dstolee@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Derrick Stolee 2020-02-11 15:02:22 +00:00 committed by Junio C Hamano
parent 6fb705abcb
commit 4bf0c06c71
1 changed files with 26 additions and 18 deletions
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44
builtin/sparse-checkout.c
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@ -462,29 +462,17 @@ static void add_patterns_from_input(struct pattern_list *pl,
}
}
static int sparse_checkout_set(int argc, const char **argv, const char *prefix)
enum modify_type {
REPLACE,
};
static int modify_pattern_list(int argc, const char **argv, enum modify_type m)
{
struct pattern_list pl;
int result;
int changed_config = 0;
static struct option builtin_sparse_checkout_set_options[] = {
OPT_BOOL(0, "stdin", &set_opts.use_stdin,
N_("read patterns from standard in")),
OPT_END(),
};
repo_read_index(the_repository);
require_clean_work_tree(the_repository,
N_("set sparse-checkout patterns"), NULL, 1, 0);
struct pattern_list pl;
memset(&pl, 0, sizeof(pl));
argc = parse_options(argc, argv, prefix,
builtin_sparse_checkout_set_options,
builtin_sparse_checkout_set_usage,
PARSE_OPT_KEEP_UNKNOWN);
add_patterns_from_input(&pl, argc, argv);
if (!core_apply_sparse_checkout) {
@ -502,6 +490,26 @@ static int sparse_checkout_set(int argc, const char **argv, const char *prefix)
return result;
}
static int sparse_checkout_set(int argc, const char **argv, const char *prefix)
{
static struct option builtin_sparse_checkout_set_options[] = {
OPT_BOOL(0, "stdin", &set_opts.use_stdin,
N_("read patterns from standard in")),
OPT_END(),
};
repo_read_index(the_repository);
require_clean_work_tree(the_repository,
N_("set sparse-checkout patterns"), NULL, 1, 0);
argc = parse_options(argc, argv, prefix,
builtin_sparse_checkout_set_options,
builtin_sparse_checkout_set_usage,
PARSE_OPT_KEEP_UNKNOWN);
return modify_pattern_list(argc, argv, REPLACE);
}
static int sparse_checkout_disable(int argc, const char **argv)
{
struct pattern_list pl;