mirror of
https://github.com/git/git.git
synced 2024-11-30 05:23:49 +08:00
bac8037081
Now that run_command implements the same code in a more general form, we can make use of it. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
53 lines
1.1 KiB
C
53 lines
1.1 KiB
C
#include "cache.h"
|
|
#include "strbuf.h"
|
|
#include "run-command.h"
|
|
|
|
#ifndef DEFAULT_EDITOR
|
|
#define DEFAULT_EDITOR "vi"
|
|
#endif
|
|
|
|
const char *git_editor(void)
|
|
{
|
|
const char *editor = getenv("GIT_EDITOR");
|
|
const char *terminal = getenv("TERM");
|
|
int terminal_is_dumb = !terminal || !strcmp(terminal, "dumb");
|
|
|
|
if (!editor && editor_program)
|
|
editor = editor_program;
|
|
if (!editor && !terminal_is_dumb)
|
|
editor = getenv("VISUAL");
|
|
if (!editor)
|
|
editor = getenv("EDITOR");
|
|
|
|
if (!editor && terminal_is_dumb)
|
|
return NULL;
|
|
|
|
if (!editor)
|
|
editor = DEFAULT_EDITOR;
|
|
|
|
return editor;
|
|
}
|
|
|
|
int launch_editor(const char *path, struct strbuf *buffer, const char *const *env)
|
|
{
|
|
const char *editor = git_editor();
|
|
|
|
if (!editor)
|
|
return error("Terminal is dumb, but EDITOR unset");
|
|
|
|
if (strcmp(editor, ":")) {
|
|
const char *args[] = { editor, path, NULL };
|
|
|
|
if (run_command_v_opt_cd_env(args, RUN_USING_SHELL, NULL, env))
|
|
return error("There was a problem with the editor '%s'.",
|
|
editor);
|
|
}
|
|
|
|
if (!buffer)
|
|
return 0;
|
|
if (strbuf_read_file(buffer, path, 0) < 0)
|
|
return error("could not read file '%s': %s",
|
|
path, strerror(errno));
|
|
return 0;
|
|
}
|