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-rw-r--r--builtin/checkout.c286
1 files changed, 190 insertions, 96 deletions
diff --git a/builtin/checkout.c b/builtin/checkout.c
index 3634a3dac1..b23bc149d1 100644
--- a/builtin/checkout.c
+++ b/builtin/checkout.c
@@ -26,6 +26,8 @@
#include "unpack-trees.h"
#include "wt-status.h"
#include "xdiff-interface.h"
+#include "entry.h"
+#include "parallel-checkout.h"
static const char * const checkout_usage[] = {
N_("git checkout [<options>] <branch>"),
@@ -70,6 +72,8 @@ 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;
@@ -86,12 +90,25 @@ struct checkout_opts {
struct tree *source_tree;
};
+struct branch_info {
+ const char *name; /* The short name used */
+ const char *path; /* The full name of a real branch */
+ struct commit *commit; /* The named commit */
+ char *refname; /* The full name of the ref being checked out. */
+ struct object_id oid; /* The object ID of the commit being checked out. */
+ /*
+ * if not null the branch is detached because it's already
+ * checked out in this checkout
+ */
+ char *checkout;
+};
+
static int post_checkout_hook(struct commit *old_commit, struct commit *new_commit,
int changed)
{
return run_hook_le(NULL, "post-checkout",
- oid_to_hex(old_commit ? &old_commit->object.oid : &null_oid),
- oid_to_hex(new_commit ? &new_commit->object.oid : &null_oid),
+ oid_to_hex(old_commit ? &old_commit->object.oid : null_oid()),
+ oid_to_hex(new_commit ? &new_commit->object.oid : null_oid()),
changed ? "1" : "0", NULL);
/* "new_commit" can be NULL when checking out from the index before
a commit exists. */
@@ -99,7 +116,7 @@ static int post_checkout_hook(struct commit *old_commit, struct commit *new_comm
}
static int update_some(const struct object_id *oid, struct strbuf *base,
- const char *pathname, unsigned mode, int stage, void *context)
+ const char *pathname, unsigned mode, void *context)
{
int len;
struct cache_entry *ce;
@@ -140,8 +157,8 @@ static int update_some(const struct object_id *oid, struct strbuf *base,
static int read_tree_some(struct tree *tree, const struct pathspec *pathspec)
{
- read_tree_recursive(the_repository, tree, "", 0, 0,
- pathspec, update_some, NULL);
+ read_tree(the_repository, tree,
+ pathspec, update_some, NULL);
/* update the index with the given tree's info
* for all args, expanding wildcards, and exit
@@ -214,7 +231,8 @@ static int checkout_stage(int stage, const struct cache_entry *ce, int pos,
return error(_("path '%s' does not have their version"), ce->name);
}
-static int checkout_merged(int pos, const struct checkout *state, int *nr_checkouts)
+static int checkout_merged(int pos, const struct checkout *state,
+ int *nr_checkouts, struct mem_pool *ce_mem_pool)
{
struct cache_entry *ce = active_cache[pos];
const char *path = ce->name;
@@ -224,6 +242,8 @@ static int checkout_merged(int pos, const struct checkout *state, int *nr_checko
mmbuffer_t result_buf;
struct object_id threeway[3];
unsigned mode = 0;
+ struct ll_merge_options ll_opts;
+ int renormalize = 0;
memset(threeway, 0, sizeof(threeway));
while (pos < active_nr) {
@@ -244,13 +264,12 @@ static int checkout_merged(int pos, const struct checkout *state, int *nr_checko
read_mmblob(&ours, &threeway[1]);
read_mmblob(&theirs, &threeway[2]);
- /*
- * NEEDSWORK: re-create conflicts from merges with
- * merge.renormalize set, too
- */
+ memset(&ll_opts, 0, sizeof(ll_opts));
+ git_config_get_bool("merge.renormalize", &renormalize);
+ ll_opts.renormalize = renormalize;
status = ll_merge(&result_buf, path, &ancestor, "base",
&ours, "ours", &theirs, "theirs",
- state->istate, NULL);
+ state->istate, &ll_opts);
free(ancestor.ptr);
free(ours.ptr);
free(theirs.ptr);
@@ -274,11 +293,10 @@ static int checkout_merged(int pos, const struct checkout *state, int *nr_checko
if (write_object_file(result_buf.ptr, result_buf.size, blob_type, &oid))
die(_("Unable to add merge result for '%s'"), path);
free(result_buf.ptr);
- ce = make_transient_cache_entry(mode, &oid, path, 2);
+ ce = make_transient_cache_entry(mode, &oid, path, 2, ce_mem_pool);
if (!ce)
die(_("make_cache_entry failed for path '%s'"), path);
status = checkout_entry(ce, state, NULL, nr_checkouts);
- discard_cache_entry(ce);
return status;
}
@@ -306,7 +324,7 @@ static void mark_ce_for_checkout_overlay(struct cache_entry *ce,
* If it comes from the tree-ish, we already know it
* matches the pathspec and could just stamp
* CE_MATCHED to it from update_some(). But we still
- * need ps_matched and read_tree_recursive (and
+ * need ps_matched and read_tree (and
* eventually tree_entry_interesting) cannot fill
* ps_matched yet. Once it can, we can avoid calling
* match_pathspec() for _all_ entries when
@@ -335,18 +353,31 @@ static void mark_ce_for_checkout_no_overlay(struct cache_entry *ce,
}
}
-static int checkout_worktree(const struct checkout_opts *opts)
+static int checkout_worktree(const struct checkout_opts *opts,
+ const struct branch_info *info)
{
struct checkout state = CHECKOUT_INIT;
int nr_checkouts = 0, nr_unmerged = 0;
int errs = 0;
int pos;
+ int pc_workers, pc_threshold;
+ struct mem_pool ce_mem_pool;
state.force = 1;
state.refresh_cache = 1;
state.istate = &the_index;
+ mem_pool_init(&ce_mem_pool, 0);
+ get_parallel_checkout_configs(&pc_workers, &pc_threshold);
+ init_checkout_metadata(&state.meta, info->refname,
+ info->commit ? &info->commit->object.oid : &info->oid,
+ NULL);
+
enable_delayed_checkout(&state);
+
+ if (pc_workers > 1)
+ init_parallel_checkout();
+
for (pos = 0; pos < active_nr; pos++) {
struct cache_entry *ce = active_cache[pos];
if (ce->ce_flags & CE_MATCHED) {
@@ -362,13 +393,18 @@ static int checkout_worktree(const struct checkout_opts *opts)
&nr_checkouts, opts->overlay_mode);
else if (opts->merge)
errs |= checkout_merged(pos, &state,
- &nr_unmerged);
+ &nr_unmerged,
+ &ce_mem_pool);
pos = skip_same_name(ce, pos) - 1;
}
}
+ if (pc_workers > 1)
+ errs |= run_parallel_checkout(&state, pc_workers, pc_threshold,
+ NULL, NULL);
+ mem_pool_discard(&ce_mem_pool, should_validate_cache_entries());
remove_marked_cache_entries(&the_index, 1);
remove_scheduled_dirs();
- errs |= finish_delayed_checkout(&state, &nr_checkouts);
+ errs |= finish_delayed_checkout(&state, &nr_checkouts, opts->show_progress);
if (opts->count_checkout_paths) {
if (nr_unmerged)
@@ -394,7 +430,7 @@ static int checkout_worktree(const struct checkout_opts *opts)
}
static int checkout_paths(const struct checkout_opts *opts,
- const char *revision)
+ const struct branch_info *new_branch_info)
{
int pos;
static char *ps_matched;
@@ -450,6 +486,21 @@ static int checkout_paths(const struct checkout_opts *opts,
if (opts->patch_mode) {
const char *patch_mode;
+ const char *rev = new_branch_info->name;
+ char rev_oid[GIT_MAX_HEXSZ + 1];
+
+ /*
+ * Since rev can be in the form of `<a>...<b>` (which is not
+ * recognized by diff-index), we will always replace the name
+ * with the hex of the commit (whether it's in `...` form or
+ * not) for the run_add_interactive() machinery to work
+ * properly. However, there is special logic for the HEAD case
+ * so we mustn't replace that. Also, when we were given a
+ * tree-object, new_branch_info->commit would be NULL, but we
+ * do not have to do any replacement, either.
+ */
+ if (rev && new_branch_info->commit && strcmp(rev, "HEAD"))
+ rev = oid_to_hex_r(rev_oid, &new_branch_info->commit->object.oid);
if (opts->checkout_index && opts->checkout_worktree)
patch_mode = "--patch=checkout";
@@ -460,7 +511,7 @@ static int checkout_paths(const struct checkout_opts *opts,
else
BUG("either flag must have been set, worktree=%d, index=%d",
opts->checkout_worktree, opts->checkout_index);
- return run_add_interactive(revision, patch_mode, &opts->pathspec);
+ return run_add_interactive(rev, patch_mode, &opts->pathspec);
}
repo_hold_locked_index(the_repository, &lock_file, LOCK_DIE_ON_ERROR);
@@ -521,7 +572,9 @@ static int checkout_paths(const struct checkout_opts *opts,
/* Now we are committed to check them out */
if (opts->checkout_worktree)
- errs |= checkout_worktree(opts);
+ errs |= checkout_worktree(opts, new_branch_info);
+ else
+ remove_marked_cache_entries(&the_index, 1);
/*
* Allow updating the index when checking out from the index.
@@ -563,6 +616,7 @@ static void show_local_changes(struct object *head,
diff_setup_done(&rev.diffopt);
add_pending_object(&rev, head, NULL);
run_diff_index(&rev, 0);
+ object_array_clear(&rev.pending);
}
static void describe_detached_head(const char *msg, struct commit *commit)
@@ -582,7 +636,8 @@ static void describe_detached_head(const char *msg, struct commit *commit)
}
static int reset_tree(struct tree *tree, const struct checkout_opts *o,
- int worktree, int *writeout_error)
+ int worktree, int *writeout_error,
+ struct branch_info *info)
{
struct unpack_trees_options opts;
struct tree_desc tree_desc;
@@ -597,6 +652,9 @@ static int reset_tree(struct tree *tree, const struct checkout_opts *o,
opts.verbose_update = o->show_progress;
opts.src_index = &the_index;
opts.dst_index = &the_index;
+ init_checkout_metadata(&opts.meta, info->refname,
+ info->commit ? &info->commit->object.oid : null_oid(),
+ NULL);
parse_tree(tree);
init_tree_desc(&tree_desc, tree->buffer, tree->size);
switch (unpack_trees(1, &tree_desc, &opts)) {
@@ -616,21 +674,17 @@ static int reset_tree(struct tree *tree, const struct checkout_opts *o,
}
}
-struct branch_info {
- const char *name; /* The short name used */
- const char *path; /* The full name of a real branch */
- struct commit *commit; /* The named commit */
- /*
- * if not null the branch is detached because it's already
- * checked out in this checkout
- */
- char *checkout;
-};
-
static void setup_branch_path(struct branch_info *branch)
{
struct strbuf buf = STRBUF_INIT;
+ /*
+ * If this is a ref, resolve it; otherwise, look up the OID for our
+ * expression. Failure here is okay.
+ */
+ if (!dwim_ref(branch->name, strlen(branch->name), &branch->oid, &branch->refname, 0))
+ repo_get_oid_committish(the_repository, branch->name, &branch->oid);
+
strbuf_branchname(&buf, branch->name, INTERPRET_BRANCH_LOCAL);
if (strcmp(buf.buf, branch->name))
branch->name = xstrdup(buf.buf);
@@ -659,7 +713,7 @@ static int merge_working_tree(const struct checkout_opts *opts,
} else
new_tree = get_commit_tree(new_branch_info->commit);
if (opts->discard_changes) {
- ret = reset_tree(new_tree, opts, 1, writeout_error);
+ ret = reset_tree(new_tree, opts, 1, writeout_error, new_branch_info);
if (ret)
return ret;
} else {
@@ -688,6 +742,10 @@ static int merge_working_tree(const struct checkout_opts *opts,
topts.quiet = opts->merge && old_branch_info->commit;
topts.verbose_update = opts->show_progress;
topts.fn = twoway_merge;
+ init_checkout_metadata(&topts.meta, new_branch_info->refname,
+ new_branch_info->commit ?
+ &new_branch_info->commit->object.oid :
+ &new_branch_info->oid, NULL);
if (opts->overwrite_ignore) {
topts.dir = xcalloc(1, sizeof(*topts.dir));
topts.dir->flags |= DIR_SHOW_IGNORED;
@@ -745,20 +803,13 @@ static int merge_working_tree(const struct checkout_opts *opts,
*/
add_files_to_cache(NULL, NULL, 0);
- /*
- * NEEDSWORK: carrying over local changes
- * when branches have different end-of-line
- * normalization (or clean+smudge rules) is
- * a pain; plumb in an option to set
- * o.renormalize?
- */
init_merge_options(&o, the_repository);
o.verbosity = 0;
work = write_in_core_index_as_tree(the_repository);
ret = reset_tree(new_tree,
opts, 1,
- writeout_error);
+ writeout_error, new_branch_info);
if (ret)
return ret;
o.ancestor = old_branch_info->name;
@@ -778,7 +829,7 @@ static int merge_working_tree(const struct checkout_opts *opts,
exit(128);
ret = reset_tree(new_tree,
opts, 0,
- writeout_error);
+ writeout_error, new_branch_info);
strbuf_release(&o.obuf);
strbuf_release(&old_commit_shortname);
if (ret)
@@ -786,9 +837,6 @@ static int merge_working_tree(const struct checkout_opts *opts,
}
}
- if (!active_cache_tree)
- active_cache_tree = cache_tree();
-
if (!cache_tree_fully_valid(active_cache_tree))
cache_tree_update(&the_index, WRITE_TREE_SILENT | WRITE_TREE_REPAIR);
@@ -861,7 +909,7 @@ static void update_refs_for_switch(const struct checkout_opts *opts,
strbuf_addf(&msg, "checkout: moving from %s to %s",
old_desc ? old_desc : "(invalid)", new_branch_info->name);
else
- strbuf_insert(&msg, 0, reflog_msg, strlen(reflog_msg));
+ strbuf_insertstr(&msg, 0, reflog_msg);
if (!strcmp(new_branch_info->name, "HEAD") && !new_branch_info->path && !opts->force_detach) {
/* Nothing to do. */
@@ -1009,7 +1057,7 @@ static void orphaned_commit_warning(struct commit *old_commit, struct commit *ne
describe_detached_head(_("Previous HEAD position was"), old_commit);
/* Clean up objects used, as they will be reused. */
- clear_commit_marks_all(ALL_REV_FLAGS);
+ repo_clear_commit_marks(the_repository, ALL_REV_FLAGS);
}
static int switch_branches(const struct checkout_opts *opts,
@@ -1073,11 +1121,16 @@ static int switch_branches(const struct checkout_opts *opts,
static int git_checkout_config(const char *var, const char *value, void *cb)
{
+ struct checkout_opts *opts = cb;
+
if (!strcmp(var, "diff.ignoresubmodules")) {
- struct checkout_opts *opts = cb;
handle_ignore_submodules_arg(&opts->diff_options, value);
return 0;
}
+ if (!strcmp(var, "checkout.guess")) {
+ opts->dwim_new_local_branch = git_config_bool(var, value);
+ return 0;
+ }
if (starts_with(var, "submodule."))
return git_default_submodule_config(var, value, NULL);
@@ -1100,8 +1153,10 @@ static void setup_new_branch_info_and_source_tree(
if (!check_refname_format(new_branch_info->path, 0) &&
!read_ref(new_branch_info->path, &branch_rev))
oidcpy(rev, &branch_rev);
- else
+ else {
+ free((char *)new_branch_info->path);
new_branch_info->path = NULL; /* not an existing branch */
+ }
new_branch_info->commit = lookup_commit_reference_gently(the_repository, rev, 1);
if (!new_branch_info->commit) {
@@ -1113,12 +1168,43 @@ static void setup_new_branch_info_and_source_tree(
}
}
+static const char *parse_remote_branch(const char *arg,
+ struct object_id *rev,
+ int could_be_checkout_paths)
+{
+ int num_matches = 0;
+ const char *remote = unique_tracking_name(arg, rev, &num_matches);
+
+ if (remote && could_be_checkout_paths) {
+ die(_("'%s' could be both a local file and a tracking branch.\n"
+ "Please use -- (and optionally --no-guess) to disambiguate"),
+ arg);
+ }
+
+ if (!remote && num_matches > 1) {
+ if (advice_checkout_ambiguous_remote_branch_name) {
+ advise(_("If you meant to check out a remote tracking branch on, e.g. 'origin',\n"
+ "you can do so by fully qualifying the name with the --track option:\n"
+ "\n"
+ " git checkout --track origin/<name>\n"
+ "\n"
+ "If you'd like to always have checkouts of an ambiguous <name> prefer\n"
+ "one remote, e.g. the 'origin' remote, consider setting\n"
+ "checkout.defaultRemote=origin in your config."));
+ }
+
+ die(_("'%s' matched multiple (%d) remote tracking branches"),
+ arg, num_matches);
+ }
+
+ return remote;
+}
+
static int parse_branchname_arg(int argc, const char **argv,
int dwim_new_local_branch_ok,
struct branch_info *new_branch_info,
struct checkout_opts *opts,
- struct object_id *rev,
- int *dwim_remotes_matched)
+ struct object_id *rev)
{
const char **new_branch = &opts->new_branch;
int argcount = 0;
@@ -1223,13 +1309,9 @@ static int parse_branchname_arg(int argc, const char **argv,
recover_with_dwim = 0;
if (recover_with_dwim) {
- const char *remote = unique_tracking_name(arg, rev,
- dwim_remotes_matched);
+ const char *remote = parse_remote_branch(arg, rev,
+ could_be_checkout_paths);
if (remote) {
- if (could_be_checkout_paths)
- die(_("'%s' could be both a local file and a tracking branch.\n"
- "Please use -- (and optionally --no-guess) to disambiguate"),
- arg);
*new_branch = arg;
arg = remote;
/* DWIMmed to create local branch, case (3).(b) */
@@ -1296,7 +1378,7 @@ static void die_expecting_a_branch(const struct branch_info *branch_info)
struct object_id oid;
char *to_free;
- if (dwim_ref(branch_info->name, strlen(branch_info->name), &oid, &to_free) == 1) {
+ if (dwim_ref(branch_info->name, strlen(branch_info->name), &oid, &to_free, 0) == 1) {
const char *ref = to_free;
if (skip_prefix(ref, "refs/tags/", &ref))
@@ -1431,9 +1513,9 @@ static struct option *add_common_options(struct checkout_opts *opts,
{
struct option options[] = {
OPT__QUIET(&opts->quiet, N_("suppress progress reporting")),
- { OPTION_CALLBACK, 0, "recurse-submodules", NULL,
+ OPT_CALLBACK_F(0, "recurse-submodules", NULL,
"checkout", "control recursive updating of submodules",
- PARSE_OPT_OPTARG, option_parse_recurse_submodules_worktree_updater },
+ PARSE_OPT_OPTARG, option_parse_recurse_submodules_worktree_updater),
OPT_BOOL(0, "progress", &opts->show_progress, N_("force progress reporting")),
OPT_BOOL('m', "merge", &opts->merge, N_("perform a 3-way merge with the new branch")),
OPT_STRING(0, "conflict", &opts->conflict_style, N_("style"),
@@ -1480,6 +1562,8 @@ 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);
@@ -1487,12 +1571,14 @@ static struct option *add_checkout_path_options(struct checkout_opts *opts,
return newopts;
}
+/* create-branch option (either b or c) */
+static char cb_option = 'b';
+
static int checkout_main(int argc, const char **argv, const char *prefix,
struct checkout_opts *opts, struct option *options,
const char * const usagestr[])
{
struct branch_info new_branch_info;
- int dwim_remotes_matched = 0;
int parseopt_flags = 0;
memset(&new_branch_info, 0, sizeof(new_branch_info));
@@ -1502,6 +1588,9 @@ static int checkout_main(int argc, const char **argv, const char *prefix,
git_config(git_checkout_config, opts);
+ prepare_repo_settings(the_repository);
+ the_repository->settings.command_requires_full_index = 0;
+
opts->track = BRANCH_TRACK_UNSPECIFIED;
if (!opts->accept_pathspec && !opts->accept_ref)
@@ -1530,7 +1619,8 @@ static int checkout_main(int argc, const char **argv, const char *prefix,
}
if ((!!opts->new_branch + !!opts->new_branch_force + !!opts->new_orphan_branch) > 1)
- die(_("-b, -B and --orphan are mutually exclusive"));
+ die(_("-%c, -%c and --orphan are mutually exclusive"),
+ cb_option, toupper(cb_option));
if (opts->overlay_mode == 1 && opts->patch_mode)
die(_("-p and --overlay are mutually exclusive"));
@@ -1549,16 +1639,16 @@ static int checkout_main(int argc, const char **argv, const char *prefix,
if (opts->checkout_index < 0 || opts->checkout_worktree < 0)
BUG("these flags should be non-negative by now");
/*
- * convenient shortcut: "git restore --staged" equals
- * "git restore --staged --source HEAD"
+ * convenient shortcut: "git restore --staged [--worktree]" equals
+ * "git restore --staged [--worktree] --source HEAD"
*/
- if (!opts->from_treeish && opts->checkout_index && !opts->checkout_worktree)
+ if (!opts->from_treeish && opts->checkout_index)
opts->from_treeish = "HEAD";
/*
* From here on, new_branch will contain the branch to be checked out,
* and new_branch_force and new_orphan_branch will tell us which one of
- * -b/-B/--orphan is being used.
+ * -b/-B/-c/-C/--orphan is being used.
*/
if (opts->new_branch_force)
opts->new_branch = opts->new_branch_force;
@@ -1566,7 +1656,7 @@ static int checkout_main(int argc, const char **argv, const char *prefix,
if (opts->new_orphan_branch)
opts->new_branch = opts->new_orphan_branch;
- /* --track without -b/-B/--orphan should DWIM */
+ /* --track without -c/-C/-b/-B/--orphan should DWIM */
if (opts->track != BRANCH_TRACK_UNSPECIFIED && !opts->new_branch) {
const char *argv0 = argv[0];
if (!argc || !strcmp(argv0, "--"))
@@ -1575,7 +1665,7 @@ static int checkout_main(int argc, const char **argv, const char *prefix,
skip_prefix(argv0, "remotes/", &argv0);
argv0 = strchr(argv0, '/');
if (!argv0 || !argv0[1])
- die(_("missing branch name; try -b"));
+ die(_("missing branch name; try -%c"), cb_option);
opts->new_branch = argv0 + 1;
}
@@ -1600,8 +1690,7 @@ static int checkout_main(int argc, const char **argv, const char *prefix,
opts->track == BRANCH_TRACK_UNSPECIFIED &&
!opts->new_branch;
int n = parse_branchname_arg(argc, argv, dwim_ok,
- &new_branch_info, opts, &rev,
- &dwim_remotes_matched);
+ &new_branch_info, opts, &rev);
argv += n;
argc -= n;
} else if (!opts->accept_ref && opts->from_treeish) {
@@ -1618,10 +1707,6 @@ 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,
@@ -1634,17 +1719,42 @@ static int checkout_main(int argc, const char **argv, const char *prefix,
* Try to give more helpful suggestion.
* new_branch && argc > 1 will be caught later.
*/
- if (opts->new_branch && argc == 1)
+ if (opts->new_branch && argc == 1 && !new_branch_info.commit)
die(_("'%s' is not a commit and a branch '%s' cannot be created from it"),
argv[0], opts->new_branch);
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"));
+ }
+
+ opts->pathspec.recursive = 1;
+
+ 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) {
@@ -1659,28 +1769,10 @@ static int checkout_main(int argc, const char **argv, const char *prefix,
}
UNLEAK(opts);
- if (opts->patch_mode || opts->pathspec.nr) {
- int ret = checkout_paths(opts, new_branch_info.name);
- if (ret && dwim_remotes_matched > 1 &&
- advice_checkout_ambiguous_remote_branch_name)
- advise(_("'%s' matched more than one remote tracking branch.\n"
- "We found %d remotes with a reference that matched. So we fell back\n"
- "on trying to resolve the argument as a path, but failed there too!\n"
- "\n"
- "If you meant to check out a remote tracking branch on, e.g. 'origin',\n"
- "you can do so by fully qualifying the name with the --track option:\n"
- "\n"
- " git checkout --track origin/<name>\n"
- "\n"
- "If you'd like to always have checkouts of an ambiguous <name> prefer\n"
- "one remote, e.g. the 'origin' remote, consider setting\n"
- "checkout.defaultRemote=origin in your config."),
- argv[0],
- dwim_remotes_matched);
- return ret;
- } else {
+ if (opts->patch_mode || opts->pathspec.nr)
+ return checkout_paths(opts, &new_branch_info);
+ else
return checkout_branch(opts, &new_branch_info);
- }
}
int cmd_checkout(int argc, const char **argv, const char *prefix)
@@ -1766,6 +1858,8 @@ int cmd_switch(int argc, const char **argv, const char *prefix)
options = add_common_options(&opts, options);
options = add_common_switch_branch_options(&opts, options);
+ cb_option = 'c';
+
ret = checkout_main(argc, argv, prefix, &opts,
options, switch_branch_usage);
FREE_AND_NULL(options);