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author | Nguyễn Thái Ngọc Duy <pclouds@gmail.com> | 2019-03-29 13:39:01 +0300 |
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committer | Junio C Hamano <gitster@pobox.com> | 2019-04-02 07:56:59 +0300 |
commit | 7ab4ad00ccb572574a6dfc73abfb3d5b724ab64e (patch) | |
tree | 875379ca7a293c27490ccc9c83702cc216f1c805 /builtin | |
parent | 0dabeffc16d3c8f7052a9a6d57c3f9f25cce3431 (diff) |
checkout: factor out some code in parse_branchname_arg()
This is in preparation for the new command restore, which also
needs to parse opts->source_tree but does not need all the
disambiguation logic.
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Diffstat (limited to 'builtin')
-rw-r--r-- | builtin/checkout.c | 51 |
1 files changed, 31 insertions, 20 deletions
diff --git a/builtin/checkout.c b/builtin/checkout.c index 15ee5181eb..897eefe16d 100644 --- a/builtin/checkout.c +++ b/builtin/checkout.c @@ -1081,6 +1081,34 @@ static int git_checkout_config(const char *var, const char *value, void *cb) return git_xmerge_config(var, value, NULL); } +static void setup_new_branch_info_and_source_tree( + struct branch_info *new_branch_info, + struct checkout_opts *opts, + struct object_id *rev, + const char *arg) +{ + struct tree **source_tree = &opts->source_tree; + struct object_id branch_rev; + + new_branch_info->name = arg; + setup_branch_path(new_branch_info); + + if (!check_refname_format(new_branch_info->path, 0) && + !read_ref(new_branch_info->path, &branch_rev)) + oidcpy(rev, &branch_rev); + else + 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) { + /* not a commit */ + *source_tree = parse_tree_indirect(rev); + } else { + parse_commit_or_die(new_branch_info->commit); + *source_tree = get_commit_tree(new_branch_info->commit); + } +} + static int parse_branchname_arg(int argc, const char **argv, int dwim_new_local_branch_ok, struct branch_info *new_branch_info, @@ -1088,10 +1116,8 @@ static int parse_branchname_arg(int argc, const char **argv, struct object_id *rev, int *dwim_remotes_matched) { - struct tree **source_tree = &opts->source_tree; const char **new_branch = &opts->new_branch; int argcount = 0; - struct object_id branch_rev; const char *arg; int dash_dash_pos; int has_dash_dash = 0; @@ -1213,26 +1239,11 @@ static int parse_branchname_arg(int argc, const char **argv, argv++; argc--; - new_branch_info->name = arg; - setup_branch_path(new_branch_info); - - if (!check_refname_format(new_branch_info->path, 0) && - !read_ref(new_branch_info->path, &branch_rev)) - oidcpy(rev, &branch_rev); - else - new_branch_info->path = NULL; /* not an existing branch */ + setup_new_branch_info_and_source_tree(new_branch_info, opts, rev, arg); - new_branch_info->commit = lookup_commit_reference_gently(the_repository, rev, 1); - if (!new_branch_info->commit) { - /* not a commit */ - *source_tree = parse_tree_indirect(rev); - } else { - parse_commit_or_die(new_branch_info->commit); - *source_tree = get_commit_tree(new_branch_info->commit); - } - - if (!*source_tree) /* case (1): want a tree */ + if (!opts->source_tree) /* case (1): want a tree */ die(_("reference is not a tree: %s"), arg); + if (!has_dash_dash) { /* case (3).(d) -> (1) */ /* * Do not complain the most common case |