Ramkumar Ramachandra <artagnon@xxxxxxxxx> writes:
> 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)
So far, every magic for-each-ref takes were of form %(...); was
there a reason why this had to be %C(...), not %(color=blah), or
something more in-line with the existing other magic?
>
> Signed-off-by: Ramkumar Ramachandra <artagnon@xxxxxxxxx>
> ---
> 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..6fa4464 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(...)`, with names
> + described in color.branch.*.
>
> <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..6da2903 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);
> + print_value(info, parse_atom(sp + 2, ep), quote_style);
> + }
> }
> if (*cp) {
> sp = cp + strlen(cp);
--
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