#include "cache.h"
+#include "config.h"
#include "strbuf.h"
#include "run-command.h"
+#include "sigchain.h"
#ifndef DEFAULT_EDITOR
#define DEFAULT_EDITOR "vi"
#endif
+int is_terminal_dumb(void)
+{
+ const char *terminal = getenv("TERM");
+ return !terminal || !strcmp(terminal, "dumb");
+}
+
const char *git_editor(void)
{
const char *editor = getenv("GIT_EDITOR");
- const char *terminal = getenv("TERM");
- int terminal_is_dumb = !terminal || !strcmp(terminal, "dumb");
+ int terminal_is_dumb = is_terminal_dumb();
if (!editor && editor_program)
editor = editor_program;
return editor;
}
-int launch_editor(const char *path, struct strbuf *buffer, const char *const *env)
+const char *git_sequence_editor(void)
{
- const char *editor = git_editor();
+ const char *editor = getenv("GIT_SEQUENCE_EDITOR");
+
+ if (!editor)
+ git_config_get_string_const("sequence.editor", &editor);
+ if (!editor)
+ editor = git_editor();
+
+ return editor;
+}
+static int launch_specified_editor(const char *editor, const char *path,
+ struct strbuf *buffer, const char *const *env)
+{
if (!editor)
return error("Terminal is dumb, but EDITOR unset");
if (strcmp(editor, ":")) {
- size_t len = strlen(editor);
- int i = 0;
- int failed;
- const char *args[6];
- struct strbuf arg0 = STRBUF_INIT;
-
- if (strcspn(editor, "|&;<>()$`\\\"' \t\n*?[#~=%") != len) {
- /* there are specials */
- strbuf_addf(&arg0, "%s \"$@\"", editor);
- args[i++] = "sh";
- args[i++] = "-c";
- args[i++] = arg0.buf;
+ const char *args[] = { editor, real_path(path), NULL };
+ struct child_process p = CHILD_PROCESS_INIT;
+ int ret, sig;
+ int print_waiting_for_editor = advice_waiting_for_editor && isatty(2);
+
+ if (print_waiting_for_editor) {
+ /*
+ * A dumb terminal cannot erase the line later on. Add a
+ * newline to separate the hint from subsequent output.
+ *
+ * Make sure that our message is separated with a whitespace
+ * from further cruft that may be written by the editor.
+ */
+ const char term = is_terminal_dumb() ? '\n' : ' ';
+
+ fprintf(stderr,
+ _("hint: Waiting for your editor to close the file...%c"),
+ term);
+ fflush(stderr);
}
- 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)
+ p.argv = args;
+ p.env = env;
+ p.use_shell = 1;
+ p.trace2_child_class = "editor";
+ if (start_command(&p) < 0)
+ return error("unable to start editor '%s'", editor);
+
+ sigchain_push(SIGINT, SIG_IGN);
+ sigchain_push(SIGQUIT, SIG_IGN);
+ ret = finish_command(&p);
+ sig = ret - 128;
+ sigchain_pop(SIGINT);
+ sigchain_pop(SIGQUIT);
+ if (sig == SIGINT || sig == SIGQUIT)
+ raise(sig);
+ if (ret)
return error("There was a problem with the editor '%s'.",
editor);
+
+ if (print_waiting_for_editor && !is_terminal_dumb())
+ /*
+ * Go back to the beginning and erase the entire line to
+ * avoid wasting the vertical space.
+ */
+ fputs("\r\033[K", stderr);
}
if (!buffer)
return 0;
if (strbuf_read_file(buffer, path, 0) < 0)
- return error("could not read file '%s': %s",
- path, strerror(errno));
+ return error_errno("could not read file '%s'", path);
return 0;
}
+
+int launch_editor(const char *path, struct strbuf *buffer, const char *const *env)
+{
+ return launch_specified_editor(git_editor(), path, buffer, env);
+}
+
+int launch_sequence_editor(const char *path, struct strbuf *buffer,
+ const char *const *env)
+{
+ return launch_specified_editor(git_sequence_editor(), path, buffer, env);
+}