diff options
| -rw-r--r-- | disk-utils/fdisk-menu.c | 78 | ||||
| -rw-r--r-- | disk-utils/fdisk.8 | 13 |
2 files changed, 91 insertions, 0 deletions
diff --git a/disk-utils/fdisk-menu.c b/disk-utils/fdisk-menu.c index c973833a0..83a3f9406 100644 --- a/disk-utils/fdisk-menu.c +++ b/disk-utils/fdisk-menu.c @@ -109,6 +109,10 @@ struct menu menu_generic = { MENU_ENT_E('u', N_("change display/entry units"), FDISK_DISKLABEL_GPT), MENU_ENT_E('x', N_("extra functionality (experts only)"), FDISK_DISKLABEL_BSD), + MENU_SEP(N_("Script")), + MENU_ENT ('I', N_("read disk layout from fdisk script file")), + MENU_ENT ('O', N_("write disk layout to fdisk script file")), + MENU_BSEP(N_("Save & Exit")), MENU_ENT_E('w', N_("write table to disk and exit"), FDISK_DISKLABEL_BSD), MENU_ENT_L('w', N_("write table to disk"), FDISK_DISKLABEL_BSD), @@ -442,6 +446,74 @@ int process_fdisk_menu(struct fdisk_context **cxt0) return rc; } +static int script_read(struct fdisk_context *cxt) +{ + struct fdisk_script *sc = NULL; + char *filename = NULL; + int rc; + + rc = fdisk_ask_string(cxt, _("Enter script file name"), &filename); + if (rc) + return rc; + + errno = 0; + sc = fdisk_new_script_from_file(cxt, filename); + if (!sc && errno) + fdisk_warn(cxt, _("Cannot open: %s"), filename); + else if (!sc) + fdisk_warnx(cxt, _("Failed to parse script file %s"), filename); + else if (fdisk_apply_script(cxt, sc) != 0) + fdisk_warnx(cxt, _("Failed to apply script %s"), filename); + else + fdisk_info(cxt, _("Script successfully applied.")); + + fdisk_unref_script(sc); + free(filename); + return rc; +} + +static int script_write(struct fdisk_context *cxt) +{ + struct fdisk_script *sc = NULL; + char *filename = NULL; + FILE *f = NULL; + int rc; + + rc = fdisk_ask_string(cxt, _("Enter script file name"), &filename); + if (rc) + return rc; + + sc = fdisk_new_script(cxt); + if (!sc) { + fdisk_warn(cxt, _("Failed to allocate script handler")); + goto done; + } + + rc = fdisk_script_read_context(sc, NULL); + if (rc) { + fdisk_warnx(cxt, _("Failed to read disk layout into script.")); + goto done; + } + + f = fopen(filename, "w"); + if (!f) { + fdisk_warn(cxt, _("Cannot open: %s"), filename); + goto done; + } + + rc = fdisk_script_write_file(sc, f); + if (rc) + fdisk_warn(cxt, _("Failed to write script %s"), filename); + else + fdisk_info(cxt, _("Script successfully saved.")); +done: + if (f) + fclose(f); + fdisk_unref_script(sc); + free(filename); + return rc; +} + /* * Basic fdisk actions */ @@ -516,6 +588,12 @@ static int generic_menu_cb(struct fdisk_context **cxt0, else fdisk_info(cxt, _("Partition %zu has been deleted."), n + 1); break; + case 'I': + script_read(cxt); + break; + case 'O': + script_write(cxt); + break; case 'l': list_partition_types(cxt); break; diff --git a/disk-utils/fdisk.8 b/disk-utils/fdisk.8 index c998e2ca5..56caab16d 100644 --- a/disk-utils/fdisk.8 +++ b/disk-utils/fdisk.8 @@ -147,6 +147,19 @@ For backward compatibility fdisk also accepts the suffixes KB=1000, MB=1000*1000, and so on for GB, TB, PB, EB, ZB and YB. These 10^N suffixes are deprecated. +.SH SCRIPT FILES +.B fdisk +allows to read (by 'I' command) sfdisk compatible script files. The script is +applied to in-memory partition table, and then it is possible to modify the +partition table before you write it to the device. +.PP +And vice-versa it is possible to write the current in-memory disk layout +to the script file by command 'O'. +.PP +The script files are compatible between cfdisk, sfdisk, fdisk and another +libfdisk applications. For more details see +.BR sfdisk (8). + .SH DISK LABELS .B GPT (GUID Partition Table) .RS |