mirror of
https://github.com/git/git.git
synced 2024-05-20 01:46:14 +02:00
7198203ae3
This patch removes exit()/die() calls and builtin-specific messages from launch_editor(), so that it can be used as a general libgit.a function to launch an editor. Signed-off-by: Stephan Beyer <s-beyer@gmx.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
57 lines
1.3 KiB
C
57 lines
1.3 KiB
C
#include "cache.h"
|
|
#include "strbuf.h"
|
|
#include "run-command.h"
|
|
|
|
int launch_editor(const char *path, struct strbuf *buffer, const char *const *env)
|
|
{
|
|
const char *editor, *terminal;
|
|
|
|
editor = getenv("GIT_EDITOR");
|
|
if (!editor && editor_program)
|
|
editor = editor_program;
|
|
if (!editor)
|
|
editor = getenv("VISUAL");
|
|
if (!editor)
|
|
editor = getenv("EDITOR");
|
|
|
|
terminal = getenv("TERM");
|
|
if (!editor && (!terminal || !strcmp(terminal, "dumb")))
|
|
return error("Terminal is dumb but no VISUAL nor EDITOR defined.");
|
|
|
|
if (!editor)
|
|
editor = "vi";
|
|
|
|
if (strcmp(editor, ":")) {
|
|
size_t len = strlen(editor);
|
|
int i = 0;
|
|
int failed;
|
|
const char *args[6];
|
|
struct strbuf arg0;
|
|
|
|
strbuf_init(&arg0, 0);
|
|
if (strcspn(editor, "$ \t'") != len) {
|
|
/* there are specials */
|
|
strbuf_addf(&arg0, "%s \"$@\"", editor);
|
|
args[i++] = "sh";
|
|
args[i++] = "-c";
|
|
args[i++] = arg0.buf;
|
|
}
|
|
args[i++] = editor;
|
|
args[i++] = path;
|
|
args[i] = NULL;
|
|
|
|
failed = run_command_v_opt_cd_env(args, 0, NULL, env);
|
|
strbuf_release(&arg0);
|
|
if (failed)
|
|
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;
|
|
}
|