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-rw-r--r--editor.c32
1 files changed, 23 insertions, 9 deletions
diff --git a/editor.c b/editor.c
index 4d469d0..615f575 100644
--- a/editor.c
+++ b/editor.c
@@ -2,24 +2,38 @@
#include "strbuf.h"
#include "run-command.h"
-int launch_editor(const char *path, struct strbuf *buffer, const char *const *env)
+#ifndef DEFAULT_EDITOR
+#define DEFAULT_EDITOR "vi"
+#endif
+
+const char *git_editor(void)
{
- const char *editor, *terminal;
+ const char *editor = getenv("GIT_EDITOR");
+ const char *terminal = getenv("TERM");
+ int terminal_is_dumb = !terminal || !strcmp(terminal, "dumb");
- editor = getenv("GIT_EDITOR");
if (!editor && editor_program)
editor = editor_program;
- if (!editor)
+ if (!editor && !terminal_is_dumb)
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 && 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)
- editor = "vi";
+ return error("Terminal is dumb, but EDITOR unset");
if (strcmp(editor, ":")) {
size_t len = strlen(editor);
@@ -28,7 +42,7 @@ int launch_editor(const char *path, struct strbuf *buffer, const char *const *en
const char *args[6];
struct strbuf arg0 = STRBUF_INIT;
- if (strcspn(editor, "$ \t'") != len) {
+ if (strcspn(editor, "|&;<>()$`\\\"' \t\n*?[#~=%") != len) {
/* there are specials */
strbuf_addf(&arg0, "%s \"$@\"", editor);
args[i++] = "sh";