projects / thirdparty / git.git / blame
| Commit | Line | Data |
|---|---|---|
| d82f33e2 SB |
1 | #include "cache.h" |
| 2 | #include "strbuf.h" | |
| 3 | #include "run-command.h" | |
| 4 | ||
| 5 | void launch_editor(const char *path, struct strbuf *buffer, const char *const *env) | |
| 6 | { | |
| 7 | const char *editor, *terminal; | |
| 8 | ||
| 9 | editor = getenv("GIT_EDITOR"); | |
| 10 | if (!editor && editor_program) | |
| 11 | editor = editor_program; | |
| 12 | if (!editor) | |
| 13 | editor = getenv("VISUAL"); | |
| 14 | if (!editor) | |
| 15 | editor = getenv("EDITOR"); | |
| 16 | ||
| 17 | terminal = getenv("TERM"); | |
| 18 | if (!editor && (!terminal || !strcmp(terminal, "dumb"))) { | |
| 19 | fprintf(stderr, | |
| 20 | "Terminal is dumb but no VISUAL nor EDITOR defined.\n" | |
| 21 | "Please supply the message using either -m or -F option.\n"); | |
| 22 | exit(1); | |
| 23 | } | |
| 24 | ||
| 25 | if (!editor) | |
| 26 | editor = "vi"; | |
| 27 | ||
| 28 | if (strcmp(editor, ":")) { | |
| 29 | size_t len = strlen(editor); | |
| 30 | int i = 0; | |
| 31 | const char *args[6]; | |
| 32 | struct strbuf arg0; | |
| 33 | ||
| 34 | strbuf_init(&arg0, 0); | |
| 35 | if (strcspn(editor, "$ \t'") != len) { | |
| 36 | /* there are specials */ | |
| 37 | strbuf_addf(&arg0, "%s \"$@\"", editor); | |
| 38 | args[i++] = "sh"; | |
| 39 | args[i++] = "-c"; | |
| 40 | args[i++] = arg0.buf; | |
| 41 | } | |
| 42 | args[i++] = editor; | |
| 43 | args[i++] = path; | |
| 44 | args[i] = NULL; | |
| 45 | ||
| 46 | if (run_command_v_opt_cd_env(args, 0, NULL, env)) | |
| 47 | die("There was a problem with the editor %s.", editor); | |
| 48 | strbuf_release(&arg0); | |
| 49 | } | |
| 50 | ||
| 51 | if (!buffer) | |
| 52 | return; | |
| 53 | if (strbuf_read_file(buffer, path, 0) < 0) | |
| 54 | die("could not read message file '%s': %s", | |
| 55 | path, strerror(errno)); | |
| 56 | } |