void print_columns(const struct string_list *list, unsigned int colopts,
const struct column_options *opts)
{
struct column_options nopts;
if (!list->nr)
return;
assert((colopts & COL_ENABLE_MASK) != COL_AUTO);
memset(&nopts, 0, sizeof(nopts));
nopts.indent = opts && opts->indent ? opts->indent : "";
nopts.nl = opts && opts->nl ? opts->nl : "\n";
nopts.padding = opts ? opts->padding : 1;
nopts.width = opts && opts->width ? opts->width : term_columns() - 1;
if (!column_active(colopts)) {
display_plain(list, "", "\n");
return;
}
switch (COL_LAYOUT(colopts)) {
case COL_PLAIN:
display_plain(list, nopts.indent, nopts.nl);
break;
case COL_ROW:
case COL_COLUMN:
display_table(list, colopts, &nopts);
break;
default:
die("BUG: invalid layout mode %d", COL_LAYOUT(colopts));
}
}
void setup_pager(void)
{
const char *pager = git_pager(isatty(1));
if (!pager)
return;
/*
* force computing the width of the terminal before we redirect
* the standard output to the pager.
*/
(void) term_columns();
setenv("GIT_PAGER_IN_USE", "true", 1);
/* spawn the pager */
prepare_pager_args(&pager_process, pager);
pager_process.in = -1;
argv_array_push(&pager_process.env_array, "GIT_PAGER_IN_USE");
if (start_command(&pager_process))
return;
/* original process continues, but writes to the pipe */
dup2(pager_process.in, 1);
if (isatty(2))
dup2(pager_process.in, 2);
close(pager_process.in);
/* this makes sure that the parent terminates after the pager */
sigchain_push_common(wait_for_pager_signal);
atexit(wait_for_pager_atexit);
}
static void pretty_print_string_list(struct cmdnames *cmds, int longest)
{
int cols = 1, rows;
int space = longest + 1; /* min 1 SP between words */
int max_cols = term_columns() - 1; /* don't print *on* the edge */
int i, j;
if (space < max_cols)
cols = max_cols / space;
rows = DIV_ROUND_UP(cmds->cnt, cols);
for (i = 0; i < rows; i++) {
printf(" ");
for (j = 0; j < cols; j++) {
int n = j * rows + i;
int size = space;
if (n >= cmds->cnt)
break;
if (j == cols-1 || n + rows >= cmds->cnt)
size = 1;
printf("%-*s", size, cmds->names[n]->name);
}
putchar('\n');
}
}
void setup_pager(void)
{
const char *pager = git_pager(isatty(1));
if (!pager)
return;
/*
* force computing the width of the terminal before we redirect
* the standard output to the pager.
*/
(void) term_columns();
setenv("GIT_PAGER_IN_USE", "true", 1);
/* spawn the pager */
pager_argv[0] = pager;
pager_process.use_shell = 1;
pager_process.argv = pager_argv;
pager_process.in = -1;
if (!getenv("LESS") || !getenv("LV")) {
static const char *env[3];
int i = 0;
if (!getenv("LESS"))
env[i++] = "LESS=FRX";
if (!getenv("LV"))
env[i++] = "LV=-c";
env[i] = NULL;
pager_process.env = env;
}
if (start_command(&pager_process))
return;
/* original process continues, but writes to the pipe */
dup2(pager_process.in, 1);
if (isatty(2))
dup2(pager_process.in, 2);
close(pager_process.in);
/* this makes sure that the parent terminates after the pager */
sigchain_push_common(wait_for_pager_signal);
atexit(wait_for_pager);
}
int cmd_column(int argc, const char **argv, const char *prefix)
{
struct string_list list = STRING_LIST_INIT_DUP;
struct strbuf sb = STRBUF_INIT;
struct column_options copts;
const char *command = NULL, *real_command = NULL;
struct option options[] = {
OPT_STRING(0, "command", &real_command, N_("name"), N_("lookup config vars")),
OPT_COLUMN(0, "mode", &colopts, N_("layout to use")),
OPT_INTEGER(0, "raw-mode", &colopts, N_("layout to use")),
OPT_INTEGER(0, "width", &copts.width, N_("Maximum width")),
OPT_STRING(0, "indent", &copts.indent, N_("string"), N_("Padding space on left border")),
OPT_INTEGER(0, "nl", &copts.nl, N_("Padding space on right border")),
OPT_INTEGER(0, "padding", &copts.padding, N_("Padding space between columns")),
OPT_END()
};
git_config(platform_core_config, NULL);
/* This one is special and must be the first one */
if (argc > 1 && starts_with(argv[1], "--command=")) {
command = argv[1] + 10;
git_config(column_config, (void *)command);
} else
git_config(column_config, NULL);
memset(&copts, 0, sizeof(copts));
copts.width = term_columns();
copts.padding = 1;
argc = parse_options(argc, argv, "", options, builtin_column_usage, 0);
if (argc)
usage_with_options(builtin_column_usage, options);
if (real_command || command) {
if (!real_command || !command || strcmp(real_command, command))
die(_("--command must be the first argument"));
}
finalize_colopts(&colopts, -1);
while (!strbuf_getline(&sb, stdin))
string_list_append(&list, sb.buf);
print_columns(&list, colopts, &copts);
return 0;
}
void setup_pager(void)
{
const char *pager = git_pager(isatty(1));
if (!pager)
return;
/*
* After we redirect standard output, we won't be able to use an ioctl
* to get the terminal size. Let's grab it now, and then set $COLUMNS
* to communicate it to any sub-processes.
*/
{
char buf[64];
xsnprintf(buf, sizeof(buf), "%d", term_columns());
setenv("COLUMNS", buf, 0);
}
setenv("GIT_PAGER_IN_USE", "true", 1);
/* spawn the pager */
prepare_pager_args(&pager_process, pager);
pager_process.in = -1;
argv_array_push(&pager_process.env_array, "GIT_PAGER_IN_USE");
if (start_command(&pager_process))
return;
/* original process continues, but writes to the pipe */
dup2(pager_process.in, 1);
if (isatty(2))
dup2(pager_process.in, 2);
close(pager_process.in);
/* this makes sure that the parent terminates after the pager */
sigchain_push_common(wait_for_pager_signal);
atexit(wait_for_pager_atexit);
}
static size_t parse_padding_placeholder(struct strbuf *sb,
const char *placeholder,
struct format_commit_context *c)
{
const char *ch = placeholder;
enum flush_type flush_type;
int to_column = 0;
switch (*ch++) {
case '<':
flush_type = flush_right;
break;
case '>':
if (*ch == '<') {
flush_type = flush_both;
ch++;
} else if (*ch == '>') {
flush_type = flush_left_and_steal;
ch++;
} else
flush_type = flush_left;
break;
default:
return 0;
}
/* the next value means "wide enough to that column" */
if (*ch == '|') {
to_column = 1;
ch++;
}
if (*ch == '(') {
const char *start = ch + 1;
const char *end = start + strcspn(start, ",)");
char *next;
int width;
if (!end || end == start)
return 0;
width = strtol(start, &next, 10);
if (next == start || width == 0)
return 0;
if (width < 0) {
if (to_column)
width += term_columns();
if (width < 0)
return 0;
}
c->padding = to_column ? -width : width;
c->flush_type = flush_type;
if (*end == ',') {
start = end + 1;
end = strchr(start, ')');
if (!end || end == start)
return 0;
if (starts_with(start, "trunc)"))
c->truncate = trunc_right;
else if (starts_with(start, "ltrunc)"))
c->truncate = trunc_left;
else if (starts_with(start, "mtrunc)"))
c->truncate = trunc_middle;
else
return 0;
} else
c->truncate = trunc_none;
return end - placeholder + 1;
}
return 0;
}
