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-rw-r--r--third_party/git/pager.c250
1 files changed, 0 insertions, 250 deletions
diff --git a/third_party/git/pager.c b/third_party/git/pager.c
deleted file mode 100644
index 41446d4f05..0000000000
--- a/third_party/git/pager.c
+++ /dev/null
@@ -1,250 +0,0 @@
-#include "cache.h"
-#include "config.h"
-#include "run-command.h"
-#include "sigchain.h"
-#include "alias.h"
-
-#ifndef DEFAULT_PAGER
-#define DEFAULT_PAGER "less"
-#endif
-
-static struct child_process pager_process = CHILD_PROCESS_INIT;
-static const char *pager_program;
-
-static void wait_for_pager(int in_signal)
-{
-	if (!in_signal) {
-		fflush(stdout);
-		fflush(stderr);
-	}
-	/* signal EOF to pager */
-	close(1);
-	close(2);
-	if (in_signal)
-		finish_command_in_signal(&pager_process);
-	else
-		finish_command(&pager_process);
-}
-
-static void wait_for_pager_atexit(void)
-{
-	wait_for_pager(0);
-}
-
-static void wait_for_pager_signal(int signo)
-{
-	wait_for_pager(1);
-	sigchain_pop(signo);
-	raise(signo);
-}
-
-static int core_pager_config(const char *var, const char *value, void *data)
-{
-	if (!strcmp(var, "core.pager"))
-		return git_config_string(&pager_program, var, value);
-	return 0;
-}
-
-const char *git_pager(int stdout_is_tty)
-{
-	const char *pager;
-
-	if (!stdout_is_tty)
-		return NULL;
-
-	pager = getenv("GIT_PAGER");
-	if (!pager) {
-		if (!pager_program)
-			read_early_config(core_pager_config, NULL);
-		pager = pager_program;
-	}
-	if (!pager)
-		pager = getenv("PAGER");
-	if (!pager)
-		pager = DEFAULT_PAGER;
-	if (!*pager || !strcmp(pager, "cat"))
-		pager = NULL;
-
-	return pager;
-}
-
-static void setup_pager_env(struct argv_array *env)
-{
-	const char **argv;
-	int i;
-	char *pager_env = xstrdup(PAGER_ENV);
-	int n = split_cmdline(pager_env, &argv);
-
-	if (n < 0)
-		die("malformed build-time PAGER_ENV: %s",
-			split_cmdline_strerror(n));
-
-	for (i = 0; i < n; i++) {
-		char *cp = strchr(argv[i], '=');
-
-		if (!cp)
-			die("malformed build-time PAGER_ENV");
-
-		*cp = '\0';
-		if (!getenv(argv[i])) {
-			*cp = '=';
-			argv_array_push(env, argv[i]);
-		}
-	}
-	free(pager_env);
-	free(argv);
-}
-
-void prepare_pager_args(struct child_process *pager_process, const char *pager)
-{
-	argv_array_push(&pager_process->args, pager);
-	pager_process->use_shell = 1;
-	setup_pager_env(&pager_process->env_array);
-	pager_process->trace2_child_class = "pager";
-}
-
-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);
-}
-
-int pager_in_use(void)
-{
-	return git_env_bool("GIT_PAGER_IN_USE", 0);
-}
-
-/*
- * Return cached value (if set) or $COLUMNS environment variable (if
- * set and positive) or ioctl(1, TIOCGWINSZ).ws_col (if positive),
- * and default to 80 if all else fails.
- */
-int term_columns(void)
-{
-	static int term_columns_at_startup;
-
-	char *col_string;
-	int n_cols;
-
-	if (term_columns_at_startup)
-		return term_columns_at_startup;
-
-	term_columns_at_startup = 80;
-
-	col_string = getenv("COLUMNS");
-	if (col_string && (n_cols = atoi(col_string)) > 0)
-		term_columns_at_startup = n_cols;
-#ifdef TIOCGWINSZ
-	else {
-		struct winsize ws;
-		if (!ioctl(1, TIOCGWINSZ, &ws) && ws.ws_col)
-			term_columns_at_startup = ws.ws_col;
-	}
-#endif
-
-	return term_columns_at_startup;
-}
-
-/*
- * Clear the entire line, leave cursor in first column.
- */
-void term_clear_line(void)
-{
-	if (is_terminal_dumb())
-		/*
-		 * Fall back to print a terminal width worth of space
-		 * characters (hoping that the terminal is still as wide
-		 * as it was upon the first call to term_columns()).
-		 */
-		fprintf(stderr, "\r%*s\r", term_columns(), "");
-	else
-		/*
-		 * On non-dumb terminals use an escape sequence to clear
-		 * the whole line, no matter how wide the terminal.
-		 */
-		fputs("\r\033[K", stderr);
-}
-
-/*
- * How many columns do we need to show this number in decimal?
- */
-int decimal_width(uintmax_t number)
-{
-	int width;
-
-	for (width = 1; number >= 10; width++)
-		number /= 10;
-	return width;
-}
-
-struct pager_command_config_data {
-	const char *cmd;
-	int want;
-	char *value;
-};
-
-static int pager_command_config(const char *var, const char *value, void *vdata)
-{
-	struct pager_command_config_data *data = vdata;
-	const char *cmd;
-
-	if (skip_prefix(var, "pager.", &cmd) && !strcmp(cmd, data->cmd)) {
-		int b = git_parse_maybe_bool(value);
-		if (b >= 0)
-			data->want = b;
-		else {
-			data->want = 1;
-			data->value = xstrdup(value);
-		}
-	}
-
-	return 0;
-}
-
-/* returns 0 for "no pager", 1 for "use pager", and -1 for "not specified" */
-int check_pager_config(const char *cmd)
-{
-	struct pager_command_config_data data;
-
-	data.cmd = cmd;
-	data.want = -1;
-	data.value = NULL;
-
-	read_early_config(pager_command_config, &data);
-
-	if (data.value)
-		pager_program = data.value;
-	return data.want;
-}