[PATCH 0/3] Resending sb/config-write-fix

This is a resend of sb/config-write-fix, with a slightly better commit message and a renamed variable.

Thanks, Stefan

Stefan Beller (3):
  t1300: document current behavior of setting options
  config: fix case sensitive subsection names on writing
  git-config: document accidental multi-line setting in deprecated
    syntax

 Documentation/git-config.txt | 21 +++++++++
 config.c                     | 12 ++++-
 t/t1300-config.sh            | 87 ++++++++++++++++++++++++++++++++++++
 3 files changed, 119 insertions(+), 1 deletion(-)

./git-range-diff origin/sb/config-write-fix...HEAD >>0000-cover-letter.patch 2.18.0.597.ga71716f1ad-goog

1:  999d9026272 ! 1:  e40f57f3da1 t1300: document current behavior of setting options
    @@ -7,7 +7,6 @@
         for the follow up that will fix some issues with the current behavior.
     
         Signed-off-by: Stefan Beller <sbeller@google.com>
    -    Signed-off-by: Junio C Hamano <gitster@pobox.com>
     
      diff --git a/t/t1300-config.sh b/t/t1300-config.sh
      --- a/t/t1300-config.sh
2:  c667e555066 ! 2:  f01cb1d9dae config: fix case sensitive subsection names on writing
    @@ -2,8 +2,8 @@
     
         config: fix case sensitive subsection names on writing
     
    -    A use reported a submodule issue regarding strange case indentation
    -    issues, but it could be boiled down to the following test case:
    +    A user reported a submodule issue regarding a section mix-up,
    +    but it could be boiled down to the following test case:
     
           $ git init test  && cd test
           $ git config foo."Bar".key test
    @@ -32,7 +32,6 @@
     
         Reported-by: JP Sugarbroad <jpsugar@google.com>
         Signed-off-by: Stefan Beller <sbeller@google.com>
    -    Signed-off-by: Junio C Hamano <gitster@pobox.com>
     
      diff --git a/config.c b/config.c
      --- a/config.c
    @@ -41,7 +40,7 @@
      	int eof;
      	struct strbuf value;
      	struct strbuf var;
    -+	unsigned section_name_old_dot_style : 1;
    ++	unsigned subsection_case_sensitive : 1;
      
      	int (*do_fgetc)(struct config_source *c);
      	int (*do_ungetc)(int c, struct config_source *conf);
    @@ -49,7 +48,7 @@
      
      static int get_extended_base_var(struct strbuf *name, int c)
      {
    -+	cf->section_name_old_dot_style = 0;
    ++	cf->subsection_case_sensitive = 0;
      	do {
      		if (c == '\n')
      			goto error_incomplete_line;
    @@ -57,7 +56,7 @@
      
      static int get_base_var(struct strbuf *name)
      {
    -+	cf->section_name_old_dot_style = 1;
    ++	cf->subsection_case_sensitive = 1;
      	for (;;) {
      		int c = get_next_char();
      		if (cf->eof)
    @@ -70,7 +69,7 @@
      		if (cf->var.len < 2 || cf->var.buf[cf->var.len - 1] != '.')
      			return error("invalid section name '%s'", cf->var.buf);
      
    -+		if (cf->section_name_old_dot_style)
    ++		if (cf->subsection_case_sensitive)
     +			cmpfn = strncasecmp;
     +		else
     +			cmpfn = strncmp;
3:  6749bb283a8 ! 3:  6b5ad773490 git-config: document accidental multi-line setting in deprecated syntax
    @@ -29,7 +29,6 @@
         spend time on fixing the behavior and just document it instead.
     
         Signed-off-by: Stefan Beller <sbeller@google.com>
    -    Signed-off-by: Junio C Hamano <gitster@pobox.com>
     
      diff --git a/Documentation/git-config.txt b/Documentation/git-config.txt
      --- a/Documentation/git-config.txt