Code

Merge branch 'nd/maint-ignore-exclude' into maint-1.7.7
[git.git] / builtin / checkout.c
index ca855d716ccab1d1209638193e2f52e901acfba0..7ea9f29aa6d24edf44431161208a306798e69623 100644 (file)
@@ -19,6 +19,7 @@
 #include "ll-merge.h"
 #include "resolve-undo.h"
 #include "submodule.h"
+#include "argv-array.h"
 
 static const char * const checkout_usage[] = {
        "git checkout [options] <branch>",
@@ -71,7 +72,7 @@ static int update_some(const unsigned char *sha1, const char *base, int baselen,
        hashcpy(ce->sha1, sha1);
        memcpy(ce->name, base, baselen);
        memcpy(ce->name + baselen, pathname, len - baselen);
-       ce->ce_flags = create_ce_flags(len, 0);
+       ce->ce_flags = create_ce_flags(len, 0) | CE_UPDATE;
        ce->ce_mode = create_ce_mode(mode);
        add_cache_entry(ce, ADD_CACHE_OK_TO_ADD | ADD_CACHE_OK_TO_REPLACE);
        return 0;
@@ -201,7 +202,7 @@ static int checkout_merged(int pos, struct checkout *state)
 }
 
 static int checkout_paths(struct tree *source_tree, const char **pathspec,
-                         struct checkout_opts *opts)
+                         const char *prefix, struct checkout_opts *opts)
 {
        int pos;
        struct checkout state;
@@ -228,10 +229,12 @@ static int checkout_paths(struct tree *source_tree, const char **pathspec,
 
        for (pos = 0; pos < active_nr; pos++) {
                struct cache_entry *ce = active_cache[pos];
+               if (source_tree && !(ce->ce_flags & CE_UPDATE))
+                       continue;
                match_pathspec(pathspec, ce->name, ce_namelen(ce), 0, ps_matched);
        }
 
-       if (report_path_error(ps_matched, pathspec, 0))
+       if (report_path_error(ps_matched, pathspec, prefix))
                return 1;
 
        /* "checkout -m path" to recreate conflicted state */
@@ -266,6 +269,8 @@ static int checkout_paths(struct tree *source_tree, const char **pathspec,
        state.refresh_cache = 1;
        for (pos = 0; pos < active_nr; pos++) {
                struct cache_entry *ce = active_cache[pos];
+               if (source_tree && !(ce->ce_flags & CE_UPDATE))
+                       continue;
                if (match_pathspec(pathspec, ce->name, ce_namelen(ce), 0, NULL)) {
                        if (!ce_stage(ce)) {
                                errs |= checkout_entry(ce, &state, NULL);
@@ -406,7 +411,7 @@ static int merge_working_tree(struct checkout_opts *opts,
                topts.fn = twoway_merge;
                topts.dir = xcalloc(1, sizeof(*topts.dir));
                topts.dir->flags |= DIR_SHOW_IGNORED;
-               topts.dir->exclude_per_dir = ".gitignore";
+               setup_standard_excludes(topts.dir);
                tree = parse_tree_indirect(old->commit ?
                                           old->commit->object.sha1 :
                                           EMPTY_TREE_SHA1_BIN);
@@ -588,24 +593,12 @@ static void update_refs_for_switch(struct checkout_opts *opts,
                report_tracking(new);
 }
 
-struct rev_list_args {
-       int argc;
-       int alloc;
-       const char **argv;
-};
-
-static void add_one_rev_list_arg(struct rev_list_args *args, const char *s)
-{
-       ALLOC_GROW(args->argv, args->argc + 1, args->alloc);
-       args->argv[args->argc++] = s;
-}
-
 static int add_one_ref_to_rev_list_arg(const char *refname,
                                       const unsigned char *sha1,
                                       int flags,
                                       void *cb_data)
 {
-       add_one_rev_list_arg(cb_data, refname);
+       argv_array_push(cb_data, refname);
        return 0;
 }
 
@@ -657,24 +650,25 @@ static void suggest_reattach(struct commit *commit, struct rev_info *revs)
                "Warning: you are leaving %d commit behind, "
                "not connected to\n"
                "any of your branches:\n\n"
-               "%s\n"
-               "If you want to keep it by creating a new branch, "
-               "this may be a good time\nto do so with:\n\n"
-               " git branch new_branch_name %s\n\n",
+               "%s\n",
                /* The plural version */
                "Warning: you are leaving %d commits behind, "
                "not connected to\n"
                "any of your branches:\n\n"
-               "%s\n"
-               "If you want to keep them by creating a new branch, "
-               "this may be a good time\nto do so with:\n\n"
-               " git branch new_branch_name %s\n\n",
+               "%s\n",
                /* Give ngettext() the count */
                lost),
                lost,
-               sb.buf,
-               sha1_to_hex(commit->object.sha1));
+               sb.buf);
        strbuf_release(&sb);
+
+       if (advice_detached_head)
+               fprintf(stderr,
+                       _(
+                       "If you want to keep them by creating a new branch, "
+                       "this may be a good time\nto do so with:\n\n"
+                       " git branch new_branch_name %s\n\n"),
+                       sha1_to_hex(commit->object.sha1));
 }
 
 /*
@@ -684,15 +678,14 @@ static void suggest_reattach(struct commit *commit, struct rev_info *revs)
  */
 static void orphaned_commit_warning(struct commit *commit)
 {
-       struct rev_list_args args = { 0, 0, NULL };
+       struct argv_array args = ARGV_ARRAY_INIT;
        struct rev_info revs;
 
-       add_one_rev_list_arg(&args, "(internal)");
-       add_one_rev_list_arg(&args, sha1_to_hex(commit->object.sha1));
-       add_one_rev_list_arg(&args, "--not");
+       argv_array_push(&args, "(internal)");
+       argv_array_push(&args, sha1_to_hex(commit->object.sha1));
+       argv_array_push(&args, "--not");
        for_each_ref(add_one_ref_to_rev_list_arg, &args);
-       add_one_rev_list_arg(&args, "--");
-       add_one_rev_list_arg(&args, NULL);
+       argv_array_push(&args, "--");
 
        init_revisions(&revs, NULL);
        if (setup_revisions(args.argc - 1, args.argv, &revs, NULL) != 1)
@@ -704,6 +697,7 @@ static void orphaned_commit_warning(struct commit *commit)
        else
                describe_detached_head(_("Previous HEAD position was"), commit);
 
+       argv_array_clear(&args);
        clear_commit_marks(commit, -1);
        for_each_ref(clear_commit_marks_from_one_ref, NULL);
 }
@@ -1063,7 +1057,7 @@ int cmd_checkout(int argc, const char **argv, const char *prefix)
                if (1 < !!opts.writeout_stage + !!opts.force + !!opts.merge)
                        die(_("git checkout: --ours/--theirs, --force and --merge are incompatible when\nchecking out of the index."));
 
-               return checkout_paths(source_tree, pathspec, &opts);
+               return checkout_paths(source_tree, pathspec, prefix, &opts);
        }
 
        if (patch_mode)
@@ -1071,15 +1065,10 @@ int cmd_checkout(int argc, const char **argv, const char *prefix)
 
        if (opts.new_branch) {
                struct strbuf buf = STRBUF_INIT;
-               if (strbuf_check_branch_ref(&buf, opts.new_branch))
-                       die(_("git checkout: we do not like '%s' as a branch name."),
-                           opts.new_branch);
-               if (ref_exists(buf.buf)) {
-                       opts.branch_exists = 1;
-                       if (!opts.new_branch_force)
-                               die(_("git checkout: branch %s already exists"),
-                                   opts.new_branch);
-               }
+
+               opts.branch_exists = validate_new_branchname(opts.new_branch, &buf,
+                                                            !!opts.new_branch_force, 0);
+
                strbuf_release(&buf);
        }