3 #include "run-command.h"
7 #define DEFAULT_EDITOR "vi"
10 int is_terminal_dumb(void)
12 const char *terminal = getenv("TERM");
13 return !terminal || !strcmp(terminal, "dumb");
16 const char *git_editor(void)
18 const char *editor = getenv("GIT_EDITOR");
19 int terminal_is_dumb = is_terminal_dumb();
21 if (!editor && editor_program)
22 editor = editor_program;
23 if (!editor && !terminal_is_dumb)
24 editor = getenv("VISUAL");
26 editor = getenv("EDITOR");
28 if (!editor && terminal_is_dumb)
32 editor = DEFAULT_EDITOR;
37 int launch_editor(const char *path, struct strbuf *buffer, const char *const *env)
39 const char *editor = git_editor();
42 return error("Terminal is dumb, but EDITOR unset");
44 if (strcmp(editor, ":")) {
45 const char *args[] = { editor, real_path(path), NULL };
46 struct child_process p = CHILD_PROCESS_INIT;
52 if (start_command(&p) < 0)
53 return error("unable to start editor '%s'", editor);
55 sigchain_push(SIGINT, SIG_IGN);
56 sigchain_push(SIGQUIT, SIG_IGN);
57 ret = finish_command(&p);
60 sigchain_pop(SIGQUIT);
61 if (sig == SIGINT || sig == SIGQUIT)
64 return error("There was a problem with the editor '%s'.",
70 if (strbuf_read_file(buffer, path, 0) < 0)
71 return error_errno("could not read file '%s'", path);