[PATCH v3 0/5] notes.c: introduce "--no-blank-line" option

[Teng Long <dyroneteng@gmail.com>]

From: Teng Long <dyroneteng@gmail.com>

Diff since v2:

* [5/5] make "--no-blank-line" in doc.
* [1/5] [2/5][3/5]do some cleanups and split to serval independent commit.
* [3/5] futher explain in commit-msg why we can drop it in "append" but not "add".
* [4/5] [4/5] use "test_when_finished" to cleanup notes in tests.

Thanks.

Teng Long (5):
  notes.c: cleanup 'strbuf_grow' call in 'append_edit'
  notes.c: cleanup for "designated init" and "char ptr init"
  notes.c: drop unreachable code in 'append_edit()'
  notes.c: provide tips when target and append note are both empty
  notes.c: introduce "--no-blank-line" option

 Documentation/git-notes.txt | 10 ++++++++--
 builtin/notes.c             | 20 ++++++++++----------
 t/t3301-notes.sh            | 18 ++++++++++++++++--
 3 files changed, 34 insertions(+), 14 deletions(-)

Range-diff against v2:
-:  ---------- > 1:  8ae58934a1 notes.c: cleanup 'strbuf_grow' call in 'append_edit'
-:  ---------- > 2:  a53576ea88 notes.c: cleanup for "designated init" and "char ptr init"
-:  ---------- > 3:  62a952ba3e notes.c: drop unreachable code in 'append_edit()'
-:  ---------- > 4:  0d8ce0b14b notes.c: provide tips when target and append note are both empty
1:  2381947abd ! 5:  196e80358e notes.c: introduce "--blank-line" option
    @@ Metadata
     Author: Teng Long <dyroneteng@gmail.com>
     
      ## Commit message ##
    -    notes.c: introduce "--blank-line" option
    +    notes.c: introduce "--no-blank-line" option
     
         When appending to a given object which has note and if the appended
         note is not empty too, we will insert a blank line at first. The
    @@ Documentation/git-notes.txt: SYNOPSIS
      'git notes' add [-f] [--allow-empty] [-F <file> | -m <msg> | (-c | -C) <object>] [<object>]
      'git notes' copy [-f] ( --stdin | <from-object> [<to-object>] )
     -'git notes' append [--allow-empty] [-F <file> | -m <msg> | (-c | -C) <object>] [<object>]
    -+'git notes' append [--allow-empty] [--blank-line] [-F <file> | -m <msg> | (-c | -C) <object>] [<object>]
    ++'git notes' append [--allow-empty] [--no-blank-line] [-F <file> | -m <msg> | (-c | -C) <object>] [<object>]
      'git notes' edit [--allow-empty] [<object>]
      'git notes' show [<object>]
      'git notes' merge [-v | -q] [-s <strategy> ] <notes-ref>
    @@ Documentation/git-notes.txt: OPTIONS
      	Allow an empty note object to be stored. The default behavior is
      	to automatically remove empty notes.
      
    -+--blank-line::
     +--no-blank-line::
    -+	Controls if a blank line to split paragraphs is inserted
    -+	when appending (the default is true).
    ++	Do not insert a blank line before the inserted notes (insert
    ++	a blank line is the default).
     +
      --ref <ref>::
      	Manipulate the notes tree in <ref>.  This overrides
    @@ builtin/notes.c: static int append_edit(int argc, const char **argv, const char
      	};
      	int edit = !strcmp(argv[0], "edit");
     @@ builtin/notes.c: static int append_edit(int argc, const char **argv, const char *prefix)
    + 		enum object_type type;
      		char *prev_buf = read_object_file(note, &type, &size);
      
    - 		strbuf_grow(&d.buf, size + 1);
     -		if (d.buf.len && prev_buf && size)
     +		if (blankline && d.buf.len && prev_buf && size)
      			strbuf_insertstr(&d.buf, 0, "\n");
    @@ t/t3301-notes.sh: test_expect_success 'listing non-existing notes fails' '
      '
      
     +test_expect_success 'append to existing note without a beginning blank line' '
    ++	test_when_finished git notes remove HEAD &&
     +	cat >expect <<-\EOF &&
     +		Initial set of notes
     +		Appended notes
    @@ t/t3301-notes.sh: test_expect_success 'listing non-existing notes fails' '
      
      		More notes appended with git notes append
      	EOF
    -+	git notes remove HEAD &&
    ++
      	git notes add -m "Initial set of notes" &&
      	git notes append -m "More notes appended with git notes append" &&
      	git notes show >actual &&
2:  5dbe014a09 < -:  ---------- notes.c: fixed tip when target and append note are both empty
3:  2475ea0c04 < -:  ---------- notes.c: drop unreachable code in "append_edit()"
-- 
2.38.1.386.g196e80358e8