git/list[1] front-page[2] threads[3] people[4] search[5] about
 

Re: [PATCH 1/3] for-each-ref: introduce %C(...) for color

From
Phil Hord <phil.hord@gmail.com>
Date
Sep 27, 2013, 13:16 UTC
Message-ID
<CABURp0r-hbULajmeM=xGB1EW=8JG54Gbh69+drQiyBgqyKZp7w@mail.gmail.com>
In-Reply-To
<1380283828-25420-2-git-send-email-artagnon@gmail.com>

On Fri, Sep 27, 2013 at 8:10 AM, Ramkumar Ramachandra <artagnon@gmail.com> wrote:

Show 23 quoted lines
> Enhance 'git for-each-ref' with color formatting options.  You can now
> use the following format in for-each-ref:
>
>   %C(green)%(refname:short)%C(reset)
>
> Signed-off-by: Ramkumar Ramachandra <artagnon@gmail.com>
> ---
>  Documentation/git-for-each-ref.txt |  4 +++-
>  builtin/for-each-ref.c             | 23 +++++++++++++++++++----
>  2 files changed, 22 insertions(+), 5 deletions(-)
>
> diff --git a/Documentation/git-for-each-ref.txt b/Documentation/git-for-each-ref.txt
> index f2e08d1..078a116 100644
> --- a/Documentation/git-for-each-ref.txt
> +++ b/Documentation/git-for-each-ref.txt
> @@ -45,7 +45,9 @@ OPTIONS
>         It also interpolates `%%` to `%`, and `%xx` where `xx`
>         are hex digits interpolates to character with hex code
>         `xx`; for example `%00` interpolates to `\0` (NUL),
> -       `%09` to `\t` (TAB) and `%0a` to `\n` (LF).
> +       `%09` to `\t` (TAB) and `%0a` to `\n` (LF). Additionally,
> +       colors can be specified using `%C(colorname)`. Use
> +       `%C(reset)` to reset the color.

Reduce the color explanation here and refer to the config page. Something like pretty-formats does:

    '%C(...)': color specification, as described in color.branch.*
config option;
Show 61 quoted lines
>
>  <pattern>...::
>         If one or more patterns are given, only refs are shown that
> diff --git a/builtin/for-each-ref.c b/builtin/for-each-ref.c
> index 1d4083c..a1ca186 100644
> --- a/builtin/for-each-ref.c
> +++ b/builtin/for-each-ref.c
> @@ -9,6 +9,7 @@
>  #include "quote.h"
>  #include "parse-options.h"
>  #include "remote.h"
> +#include "color.h"
>
>  /* Quoting styles */
>  #define QUOTE_NONE 0
> @@ -155,10 +156,13 @@ static const char *find_next(const char *cp)
>         while (*cp) {
>                 if (*cp == '%') {
>                         /*
> +                        * %C( is the start of a color;
>                          * %( is the start of an atom;
>                          * %% is a quoted per-cent.
>                          */
> -                       if (cp[1] == '(')
> +                       if (cp[1] == 'C' && cp[2] == '(')
> +                               return cp;
> +                       else if (cp[1] == '(')
>                                 return cp;
>                         else if (cp[1] == '%')
>                                 cp++; /* skip over two % */
> @@ -180,8 +184,11 @@ static int verify_format(const char *format)
>                 const char *ep = strchr(sp, ')');
>                 if (!ep)
>                         return error("malformed format string %s", sp);
> -               /* sp points at "%(" and ep points at the closing ")" */
> -               parse_atom(sp + 2, ep);
> +               /* Ignore color specifications: %C(
> +                * sp points at "%(" and ep points at the closing ")"
> +                */
> +               if (prefixcmp(sp, "%C("))
> +                       parse_atom(sp + 2, ep);
>                 cp = ep + 1;
>         }
>         return 0;
> @@ -933,12 +940,20 @@ static void emit(const char *cp, const char *ep)
>  static void show_ref(struct refinfo *info, const char *format, int quote_style)
>  {
>         const char *cp, *sp, *ep;
> +       char color[COLOR_MAXLEN];
>
>         for (cp = format; *cp && (sp = find_next(cp)); cp = ep + 1) {
>                 ep = strchr(sp, ')');
>                 if (cp < sp)
>                         emit(cp, sp);
> -               print_value(info, parse_atom(sp + 2, ep), quote_style);
> +
> +               /* Do we have a color specification? */
> +               if (!prefixcmp(sp, "%C("))
> +                       color_parse_mem(sp + 3, ep - sp - 3, "--format", color);
> +               else {
> +                       printf("%s", color);
'color' used uninitialized here?
Show 12 quoted lines
> +                       print_value(info, parse_atom(sp + 2, ep), quote_style);
> +               }
>         }
>         if (*cp) {
>                 sp = cp + strlen(cp);
> --
> 1.8.4.478.g55109e3
>
> --
> To unsubscribe from this list: send the line "unsubscribe git" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at  http://vger.kernel.org/majordomo-info.html
Previous: Ramkumar RamachandraNext: Ramkumar Ramachandra
Message 3 of 13 in “Juggling between hot branches”
  1. 0/3 Juggling between hot branchesRamkumar Ramachandra, Sep 27, 2013
  2. 1/3 for-each-ref: introduce %C(...) for colorRamkumar Ramachandra, Sep 27, 2013
  3. Phil HordSep 27, 2013
  4. 2/3 for-each-ref: introduce %(HEAD) asterisk markerRamkumar Ramachandra, Sep 27, 2013
  5. 3/3 for-each-ref: introduce %(upstream:track[short])Ramkumar Ramachandra, Sep 27, 2013
  6. Phil HordSep 27, 2013
  7. Ramkumar RamachandraSep 27, 2013
  8. Johannes SixtSep 27, 2013
  9. Ramkumar RamachandraSep 27, 2013
  10. Jonathan NiederSep 27, 2013
  11. Philip OakleySep 27, 2013
  12. Ramkumar RamachandraSep 27, 2013
  13. Philip OakleySep 27, 2013

Read the whole thread, see it on lore, or plain text.

$ cat FOOTERMessages come from the public archive at lore.kernel.org/git, fetched every hour. The front page is chosen and written each morning by an AI editor and can be wrong; the threads themselves are the record. About and API. For agents: an MCP server at https://gitlist.dev/mcp, and any thread, story or person page as Markdown by adding .md to its URL (or sending Accept: text/markdown). Details in /llms.txt.