4 #include "run-command.h"
8 #define DEFAULT_EDITOR "vi"
11 int is_terminal_dumb(void)
13 const char *terminal
= getenv("TERM");
14 return !terminal
|| !strcmp(terminal
, "dumb");
17 const char *git_editor(void)
19 const char *editor
= getenv("GIT_EDITOR");
20 int terminal_is_dumb
= is_terminal_dumb();
22 if (!editor
&& editor_program
)
23 editor
= editor_program
;
24 if (!editor
&& !terminal_is_dumb
)
25 editor
= getenv("VISUAL");
27 editor
= getenv("EDITOR");
29 if (!editor
&& terminal_is_dumb
)
33 editor
= DEFAULT_EDITOR
;
38 const char *git_sequence_editor(void)
40 const char *editor
= getenv("GIT_SEQUENCE_EDITOR");
43 git_config_get_string_tmp("sequence.editor", &editor
);
45 editor
= git_editor();
50 static int launch_specified_editor(const char *editor
, const char *path
,
51 struct strbuf
*buffer
, const char *const *env
)
54 return error("Terminal is dumb, but EDITOR unset");
56 if (strcmp(editor
, ":")) {
57 struct strbuf realpath
= STRBUF_INIT
;
58 struct child_process p
= CHILD_PROCESS_INIT
;
60 int print_waiting_for_editor
= advice_enabled(ADVICE_WAITING_FOR_EDITOR
) && isatty(2);
62 if (print_waiting_for_editor
) {
64 * A dumb terminal cannot erase the line later on. Add a
65 * newline to separate the hint from subsequent output.
67 * Make sure that our message is separated with a whitespace
68 * from further cruft that may be written by the editor.
70 const char term
= is_terminal_dumb() ? '\n' : ' ';
73 _("hint: Waiting for your editor to close the file...%c"),
78 strbuf_realpath(&realpath
, path
, 1);
80 strvec_pushl(&p
.args
, editor
, realpath
.buf
, NULL
);
83 p
.trace2_child_class
= "editor";
84 if (start_command(&p
) < 0) {
85 strbuf_release(&realpath
);
86 return error("unable to start editor '%s'", editor
);
89 sigchain_push(SIGINT
, SIG_IGN
);
90 sigchain_push(SIGQUIT
, SIG_IGN
);
91 ret
= finish_command(&p
);
92 strbuf_release(&realpath
);
95 sigchain_pop(SIGQUIT
);
96 if (sig
== SIGINT
|| sig
== SIGQUIT
)
99 return error("There was a problem with the editor '%s'.",
102 if (print_waiting_for_editor
&& !is_terminal_dumb())
104 * Erase the entire line to avoid wasting the
112 if (strbuf_read_file(buffer
, path
, 0) < 0)
113 return error_errno("could not read file '%s'", path
);
117 int launch_editor(const char *path
, struct strbuf
*buffer
, const char *const *env
)
119 return launch_specified_editor(git_editor(), path
, buffer
, env
);
122 int launch_sequence_editor(const char *path
, struct strbuf
*buffer
,
123 const char *const *env
)
125 return launch_specified_editor(git_sequence_editor(), path
, buffer
, env
);