On Mon, Aug 1, 2016 at 5:12 AM, Johannes Schindelin
<johannes.schinde...@gmx.de> wrote:
> Hi Stephen,
>
> On Wed, 27 Jul 2016, Stephen Morton wrote:
>
>> On Wed, Jul 27, 2016 at 11:03 AM, Johannes Schindelin
>> <johannes.schinde...@gmx.de> wrote:
>> >
>> > On Wed, 27 Jul 2016, Stephen Morton wrote:
>> >
>> >> diff --git a/sequencer.c b/sequencer.c
>> >> index cdfac82..ce06876 100644
>> >> --- a/sequencer.c
>> >> +++ b/sequencer.c
>> >> @@ -176,7 +176,8 @@ static void print_advice(int show_hint, struct
>> >> replay_opts *opts)
>> >>                 else
>> >>                         advise(_("after resolving the conflicts, mark
>> >> the corrected paths\n"
>> >>                                  "with 'git add <paths>' or 'git rm 
>> >> <paths>'\n"
>> >> -                                "and commit the result with 'git 
>> >> commit'"));
>> >> +                                "then continue the %s with 'git %s
>> >> --continue'\n"
>> >> +                                "or cancel the %s operation with 'git
>> >> %s --abort'" ),  action_name(opts), action_name(opts),
>> >> action_name(opts), action_name(opts));
>> >
>> > That is an awful lot of repetition right there, with an added
>> > inconsistency that the action is referred to by its name alone in the
>> > "--continue" case, but with "operation" added in the "--abort" case.
>> >
>> > And additionally, in the most common case (one commit to cherry-pick), the
>> > advice now suggests a more complicated operation than necessary: a simply
>> > `git commit` would be enough, then.
>> >
>> > Can't we have a test whether this is the last of the commits to be
>> > cherry-picked, and if so, have the simpler advice again?
>>
>> Ok, knowing that I'm not on the last element of the sequencer is
>> beyond my git code knowledge.
>
> Oh, my mistake: I meant to say that this information could be easily
> provided by `pick_commits()` if it passed it to `print_advice()` via
> `do_pick_commit()`.
>
> Ciao,
> Johannes

(Finally getting back to this.)
Something like this, then Johannes?
(I intentionally print the '--continue' hint even in the case where
it's last of n commits that fails.)

~/ws/extern/git (maint *%>) > git diff
diff --git a/sequencer.c b/sequencer.c
index 617a3df..e0071aa 100644
--- a/sequencer.c
+++ b/sequencer.c
@@ -154,7 +154,7 @@ static void free_message(struct commit *commit,
struct commit_message *msg)
        unuse_commit_buffer(commit, msg->message);
 }

-static void print_advice(int show_hint, struct replay_opts *opts)
+static void print_advice(int show_hint, int multiple_commits, struct
replay_opts *opts)
 {
        char *msg = getenv("GIT_CHERRY_PICK_HELP");

@@ -174,14 +174,14 @@ static void print_advice(int show_hint, struct
replay_opts *opts)
                        advise(_("after resolving the conflicts, mark
the corrected paths\n"
                                 "with 'git add <paths>' or 'git rm <paths>'"));
                else
-                        if  (! file_exists(git_path_seq_dir()))
-                                advise(_("after resolving the
conflicts, mark the corrected paths\n"
-                                        "with 'git add <paths>' or
'git rm <paths>'\n"
-                                                 "and commit the
result with 'git commit'"));
-                        else
+                        if  (multiple_commits)
                                advise(_("after resolving the
conflicts, mark the corrected paths with 'git add <paths>' or 'git rm
<paths>'\n"
                                         "then continue with 'git %s
--continue'\n"
                                         "or cancel with 'git %s
--abort'" ), action_name(opts), action_name(opts));
+                        else
+                                advise(_("after resolving the
conflicts, mark the corrected paths\n"
+                                        "with 'git add <paths>' or
'git rm <paths>'\n"
+                                        "and commit the result with
'git commit'"));
        }
 }

@@ -445,7 +445,7 @@ static int allow_empty(struct replay_opts *opts,
struct commit *commit)
                return 1;
 }

-static int do_pick_commit(struct commit *commit, struct replay_opts *opts)
+static int do_pick_commit(struct commit *commit, struct replay_opts
*opts, int multiple_commits)
 {
        unsigned char head[20];
        struct commit *base, *next, *parent;
@@ -600,7 +600,7 @@ static int do_pick_commit(struct commit *commit,
struct replay_opts *opts)
                      : _("could not apply %s... %s"),
                      find_unique_abbrev(commit->object.oid.hash,
DEFAULT_ABBREV),
                      msg.subject);
-               print_advice(res == 1, opts);
+               print_advice(res == 1, multiple_commits, opts);
                rerere(opts->allow_rerere_auto);
                goto leave;
        }
@@ -964,6 +964,7 @@ static int pick_commits(struct commit_list
*todo_list, struct replay_opts *opts)
 {
        struct commit_list *cur;
        int res;
+    int multiple_commits = (todo_list->next) != NULL;

        setenv(GIT_REFLOG_ACTION, action_name(opts), 0);
        if (opts->allow_ff)
@@ -973,7 +974,7 @@ static int pick_commits(struct commit_list
*todo_list, struct replay_opts *opts)

        for (cur = todo_list; cur; cur = cur->next) {
                save_todo(cur, opts);
-               res = do_pick_commit(cur->item, opts);
+               res = do_pick_commit(cur->item, opts, multiple_commits);
                if (res)
                        return res;
        }
@@ -1021,7 +1022,7 @@ static int sequencer_continue(struct replay_opts *opts)
 static int single_pick(struct commit *cmit, struct replay_opts *opts)
 {
        setenv(GIT_REFLOG_ACTION, action_name(opts), 0);
-       return do_pick_commit(cmit, opts);
+       return do_pick_commit(cmit, opts, 0);
 }

 int sequencer_pick_revisions(struct replay_opts *opts)
~/ws/extern/git (maint *%>) > git diff @{u}
diff --git a/sequencer.c b/sequencer.c
index c6362d6..e0071aa 100644
--- a/sequencer.c
+++ b/sequencer.c
@@ -154,7 +154,7 @@ static void free_message(struct commit *commit,
struct commit_message *msg)
        unuse_commit_buffer(commit, msg->message);
 }

-static void print_advice(int show_hint, struct replay_opts *opts)
+static void print_advice(int show_hint, int multiple_commits, struct
replay_opts *opts)
 {
        char *msg = getenv("GIT_CHERRY_PICK_HELP");

@@ -174,9 +174,14 @@ static void print_advice(int show_hint, struct
replay_opts *opts)
                        advise(_("after resolving the conflicts, mark
the corrected paths\n"
                                 "with 'git add <paths>' or 'git rm <paths>'"));
                else
-                       advise(_("after resolving the conflicts, mark
the corrected paths\n"
-                                "with 'git add <paths>' or 'git rm <paths>'\n"
-                                "and commit the result with 'git commit'"));
+                        if  (multiple_commits)
+                               advise(_("after resolving the
conflicts, mark the corrected paths with 'git add <paths>' or 'git rm
<paths>'\n"
+                                        "then continue with 'git %s
--continue'\n"
+                                        "or cancel with 'git %s
--abort'" ), action_name(opts), action_name(opts));
+                        else
+                                advise(_("after resolving the
conflicts, mark the corrected paths\n"
+                                        "with 'git add <paths>' or
'git rm <paths>'\n"
+                                        "and commit the result with
'git commit'"));
        }
 }

@@ -440,7 +445,7 @@ static int allow_empty(struct replay_opts *opts,
struct commit *commit)
                return 1;
 }

-static int do_pick_commit(struct commit *commit, struct replay_opts *opts)
+static int do_pick_commit(struct commit *commit, struct replay_opts
*opts, int multiple_commits)
 {
        unsigned char head[20];
        struct commit *base, *next, *parent;
@@ -595,7 +600,7 @@ static int do_pick_commit(struct commit *commit,
struct replay_opts *opts)
                      : _("could not apply %s... %s"),
                      find_unique_abbrev(commit->object.oid.hash,
DEFAULT_ABBREV),
                      msg.subject);
-               print_advice(res == 1, opts);
+               print_advice(res == 1, multiple_commits, opts);
                rerere(opts->allow_rerere_auto);
                goto leave;
        }
@@ -959,6 +964,7 @@ static int pick_commits(struct commit_list
*todo_list, struct replay_opts *opts)
 {
        struct commit_list *cur;
        int res;
+    int multiple_commits = (todo_list->next) != NULL;

        setenv(GIT_REFLOG_ACTION, action_name(opts), 0);
        if (opts->allow_ff)
@@ -968,7 +974,7 @@ static int pick_commits(struct commit_list
*todo_list, struct replay_opts *opts)

        for (cur = todo_list; cur; cur = cur->next) {
                save_todo(cur, opts);
-               res = do_pick_commit(cur->item, opts);
+               res = do_pick_commit(cur->item, opts, multiple_commits);
                if (res)
                        return res;
        }
@@ -1016,7 +1022,7 @@ static int sequencer_continue(struct replay_opts *opts)
 static int single_pick(struct commit *cmit, struct replay_opts *opts)
 {
        setenv(GIT_REFLOG_ACTION, action_name(opts), 0);
-       return do_pick_commit(cmit, opts);
+       return do_pick_commit(cmit, opts, 0);
 }

 int sequencer_pick_revisions(struct replay_opts *opts)


------

Stephen
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