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checkout, restore: support the --pathspec-from-file option

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Decisions taken for simplicity:
1) For now, `--pathspec-from-file` is declared incompatible with
   `--patch`, even when <file> is not `stdin`. Such use case it not
   really expected.
2) It is not allowed to pass pathspec in both args and file.

`you must specify path(s) to restore` block was moved down to be able to
test for `pathspec.nr` instead, because testing for `argc` is no longer
correct.

`git switch` does not support the new options because it doesn't expect
`<pathspec>` arguments.

Signed-off-by: Alexandr Miloslavskiy <alexandr.miloslavskiy@syntevo.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Alexandr Miloslavskiy
2019-12-03 14:02:18 +00:00
committed by Junio C Hamano
parent cfd9376c1d
commit a9aecc7abb
6 changed files with 336 additions and 4 deletions
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31
builtin/checkout.c
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@ -70,6 +70,8 @@ struct checkout_opts {
int checkout_worktree;
const char *ignore_unmerged_opt;
int ignore_unmerged;
int pathspec_file_nul;
const char *pathspec_from_file;
const char *new_branch;
const char *new_branch_force;
@ -1480,6 +1482,8 @@ static struct option *add_checkout_path_options(struct checkout_opts *opts,
OPT_BOOL('p', "patch", &opts->patch_mode, N_("select hunks interactively")),
OPT_BOOL(0, "ignore-skip-worktree-bits", &opts->ignore_skipworktree,
N_("do not limit pathspecs to sparse entries only")),
OPT_PATHSPEC_FROM_FILE(&opts->pathspec_from_file),
OPT_PATHSPEC_FILE_NUL(&opts->pathspec_file_nul),
OPT_END()
};
struct option *newopts = parse_options_concat(prevopts, options);
@ -1618,10 +1622,6 @@ static int checkout_main(int argc, const char **argv, const char *prefix,
die(_("reference is not a tree: %s"), opts->from_treeish);
}
if (opts->accept_pathspec && !opts->empty_pathspec_ok && !argc &&
!opts->patch_mode) /* patch mode is special */
die(_("you must specify path(s) to restore"));
if (argc) {
parse_pathspec(&opts->pathspec, 0,
opts->patch_mode ? PATHSPEC_PREFIX_ORIGIN : 0,
@ -1641,10 +1641,33 @@ static int checkout_main(int argc, const char **argv, const char *prefix,
if (opts->force_detach)
die(_("git checkout: --detach does not take a path argument '%s'"),
argv[0]);
}
if (opts->pathspec_from_file) {
if (opts->pathspec.nr)
die(_("--pathspec-from-file is incompatible with pathspec arguments"));
if (opts->force_detach)
die(_("--pathspec-from-file is incompatible with --detach"));
if (opts->patch_mode)
die(_("--pathspec-from-file is incompatible with --patch"));
parse_pathspec_file(&opts->pathspec, 0,
0,
prefix, opts->pathspec_from_file, opts->pathspec_file_nul);
} else if (opts->pathspec_file_nul) {
die(_("--pathspec-file-nul requires --pathspec-from-file"));
}
if (opts->pathspec.nr) {
if (1 < !!opts->writeout_stage + !!opts->force + !!opts->merge)
die(_("git checkout: --ours/--theirs, --force and --merge are incompatible when\n"
"checking out of the index."));
} else {
if (opts->accept_pathspec && !opts->empty_pathspec_ok &&
!opts->patch_mode) /* patch mode is special */
die(_("you must specify path(s) to restore"));
}
if (opts->new_branch) {