From 9ca64c4e9f1ebab26ef4bad5711e5a8622a1765d Mon Sep 17 00:00:00 2001 From: Thomas Schmitt Date: Tue, 23 Jul 2024 17:30:57 +0200 Subject: [PATCH] Let -for_backup perform -lfa_flags only if enabled at compile time in libisofs --- xorriso/emulators.c | 3 +- xorriso/lib_mgt.c | 9 +++ xorriso/opts_d_h.c | 2 +- xorriso/parse_exec.c | 5 +- xorriso/xorriso.1 | 17 +++-- xorriso/xorriso.info | 144 ++++++++++++++++++------------------ xorriso/xorriso.texi | 17 +++-- xorriso/xorriso_private.h | 4 + xorriso/xorriso_timestamp.h | 2 +- xorriso/xorrisofs.texi | 10 ++- 10 files changed, 125 insertions(+), 88 deletions(-) diff --git a/xorriso/emulators.c b/xorriso/emulators.c index 97b1d9c0..50262c95 100644 --- a/xorriso/emulators.c +++ b/xorriso/emulators.c @@ -1637,7 +1637,8 @@ int Xorriso_genisofs(struct XorrisO *xorriso, char *whom, Xorriso_option_acl(xorriso, "on", 0); Xorriso_option_xattr(xorriso, "any", 0); Xorriso_option_md5(xorriso, "on", 0); - Xorriso_option_lfa_flags(xorriso, "default:on:no_restore", 0); + if(xorriso->lfa_flags_default & 8) + Xorriso_option_lfa_flags(xorriso, "default:on:no_restore", 0); } else if(strcmp(argpt, "-z")==0 || strcmp(argpt, "-transparent-compression")==0) { diff --git a/xorriso/lib_mgt.c b/xorriso/lib_mgt.c index 536aede1..15595c95 100644 --- a/xorriso/lib_mgt.c +++ b/xorriso/lib_mgt.c @@ -243,6 +243,15 @@ LIBISOBURN_MISCONFIGURATION_ = 0; /* Second initialization. This time with libs. */ Xorriso_preparer_string(xorriso, xorriso->preparer_id, 0); + /* Inquire lfa capabilities of libisofs */ + xorriso->lfa_flags_setting&= ~8; + xorriso->lfa_flags_default&= ~8; + ret= iso_local_attr_support(4); + if(ret & 4) { + xorriso->lfa_flags_setting|= 8; + xorriso->lfa_flags_default|= 8; + } + Xorriso_process_msg_queues(xorriso,0); if(reason[0]) { sprintf(xorriso->info_text, "%s", reason); diff --git a/xorriso/opts_d_h.c b/xorriso/opts_d_h.c index 91417716..ee5251e5 100644 --- a/xorriso/opts_d_h.c +++ b/xorriso/opts_d_h.c @@ -1946,7 +1946,7 @@ int Xorriso_option_help(struct XorrisO *xorriso, int flag) " Enable or disable processing of MD5 checksums.", " -for_backup", " Shortcut for: -hardlinks on -acl on -xattr any -md5 on", -" -lfa_flags default:on:restore_mask=aAcCdDijmPsStTux", +" possibly: -lfa_flags default:on:restore_mask=aAcCdDijmPsStTux", " -ecma119_map \"unmapped\"|\"stripped\"|\"uppercase\"|\"lowercase\"", " Choose conversion of file names if neither Rock Ridge", " nor Joliet is present in the loaded ISO session.", diff --git a/xorriso/parse_exec.c b/xorriso/parse_exec.c index 1966abdb..7e1be6d1 100644 --- a/xorriso/parse_exec.c +++ b/xorriso/parse_exec.c @@ -1436,8 +1436,9 @@ next_command:; Xorriso_option_acl(xorriso, "on", 0); Xorriso_option_xattr(xorriso, "any", 0); Xorriso_option_md5(xorriso, "on", 0); - Xorriso_option_lfa_flags(xorriso, - "default:on:restore_mask=aAcCdDijmPsStTux", 0); + if(xorriso->lfa_flags_default & 8) + Xorriso_option_lfa_flags(xorriso, + "default:on:restore_mask=aAcCdDijmPsStTux", 0); ret= 1; } else if(strcmp(cmd,"format")==0) { diff --git a/xorriso/xorriso.1 b/xorriso/xorriso.1 index bb0f10a7..bb4002a3 100644 --- a/xorriso/xorriso.1 +++ b/xorriso/xorriso.1 @@ -9,7 +9,7 @@ .\" First parameter, NAME, should be all caps .\" Second parameter, SECTION, should be 1-8, maybe w/ subsection .\" other parameters are allowed: see man(7), man(1) -.TH XORRISO 1 "Version 1.5.7, Jul 21, 2024" +.TH XORRISO 1 "Version 1.5.7, Jul 23, 2024" .\" Please adjust this date whenever revising the manpage. .\" .\" Some roff macros, for reference: @@ -1147,6 +1147,9 @@ Enable all extra features which help to produce or to restore backups with highest fidelity of file properties. Currently this is a shortcut for: .br \-hardlinks on \-acl on \-xattr any \-md5 on +.br +and possibly: +.br \-lfa_flags default:on:restore_mask=aAcCdDijmPsStTux .br If you restore a backup with xattr from non\-user namespaces, then make sure @@ -1160,10 +1163,14 @@ events. Command \-xattr "user" after command \-for_backup will exclude non\-user attributes from being recorded or restored. .br -The \-lfa_flags restore mask of \-for_backup enables all known settable -attributes, except "F" which has special constraints which xorriso cannot yet -detect at restore time. Command \-lfa_flags "restore_mask=" after \-for_backup -will enable all known settable attributes. +The command \-lfa_flags is executed by \-for_backup only if the underlying +libisofs was compiled with support for Linux file attributes, +which is typically not the case on non\-Linux systems. +.br +If \-lfa_flags is executed by \-for_backup then the restore mask enables all +known settable attributes, except "F" which has special constraints which +xorriso cannot yet detect at restore time. Command \-lfa_flags "restore_mask=" +after \-for_backup will enable all known settable attributes. .TP \fB\-ecma119_map\fR "stripped"|"unmapped"|"lowercase"|"uppercase" Choose the conversion of file names when a session gets loaded, if they stem diff --git a/xorriso/xorriso.info b/xorriso/xorriso.info index c34b2385..5c5e5bb1 100644 --- a/xorriso/xorriso.info +++ b/xorriso/xorriso.info @@ -1023,8 +1023,9 @@ activate them only after image loading. Enable all extra features which help to produce or to restore backups with highest fidelity of file properties. Currently this is a shortcut for: - -hardlinks on -acl on -xattr any -md5 on -lfa_flags - default:on:restore_mask=aAcCdDijmPsStTux + -hardlinks on -acl on -xattr any -md5 on + and possibly: + -lfa_flags default:on:restore_mask=aAcCdDijmPsStTux If you restore a backup with xattr from non-user namespaces, then make sure that the target operating system and filesystem know what these attributes mean. Possibly you will need administrator @@ -1034,11 +1035,14 @@ activate them only after image loading. or preconditions will cause failure events. Command -xattr "user" after command -for_backup will exclude non-user attributes from being recorded or restored. - The -lfa_flags restore mask of -for_backup enables all known - settable attributes, except "F" which has special constraints which - xorriso cannot yet detect at restore time. Command -lfa_flags - "restore_mask=" after -for_backup will enable all known settable - attributes. + The command -lfa_flags is executed by -for_backup only if the + underlying libisofs was compiled with support for Linux file + attributes, which is typically not the case on non-Linux systems. + If -lfa_flags is executed by -for_backup then the restore mask + enables all known settable attributes, except "F" which has special + constraints which xorriso cannot yet detect at restore time. + Command -lfa_flags "restore_mask=" after -for_backup will enable + all known settable attributes. -ecma119_map "stripped"|"unmapped"|"lowercase"|"uppercase" Choose the conversion of file names when a session gets loaded, if they stem neither from a Rock Ridge name nor from a Joliet name. @@ -5915,11 +5919,11 @@ File: xorriso.info, Node: CommandIdx, Next: ConceptIdx, Prev: Legal, Up: Top * -assess_indev_features shows filesystem features: Inquiry. (line 61) * -auto_charset learns character set from image: Loading. (line 141) * -backslash_codes enables backslash conversion: Scripting. (line 71) -* -ban_stdio_write demands real drive: Loading. (line 415) +* -ban_stdio_write demands real drive: Loading. (line 419) * -biblio_file sets biblio file name: SetWrite. (line 277) * -blank erases media: Writing. (line 57) * -boot_image controls bootability: Bootable. (line 75) -* -calm_drive reduces drive activity: Loading. (line 405) +* -calm_drive reduces drive activity: Loading. (line 409) * -cd sets working directory in ISO: Navigate. (line 7) * -cdx sets working directory on disk: Navigate. (line 15) * -changes_pending overrides change status: Writing. (line 12) @@ -5955,12 +5959,12 @@ File: xorriso.info, Node: CommandIdx, Next: ConceptIdx, Prev: Legal, Up: Top * -cp_rx copies file trees to disk: Restore. (line 131) * -cp_rx copies file trees to disk <1>: Restore. (line 139) * -cut_out inserts piece of data file or device: Insert. (line 139) -* -data_cache_size adjusts read cache size: Loading. (line 431) +* -data_cache_size adjusts read cache size: Loading. (line 435) * -dev acquires one drive for input and output: AqDrive. (line 12) * -devices gets list of drives: Inquiry. (line 7) * -device_links gets list of drives: Inquiry. (line 17) * -dialog enables dialog mode: DialogCtl. (line 7) -* -disk_dev_ino fast incremental backup: Loading. (line 325) +* -disk_dev_ino fast incremental backup: Loading. (line 329) * -disk_pattern controls pattern expansion: Insert. (line 34) * -displacement compensate altered image start address: Loading. (line 102) @@ -5972,8 +5976,8 @@ File: xorriso.info, Node: CommandIdx, Next: ConceptIdx, Prev: Legal, Up: Top * -dusx show directory size on disk: Navigate. (line 96) * -dux show directory size on disk: Navigate. (line 92) * -dvd_obs set write block size and end alignment: SetWrite. (line 421) -* -early_stdio_test classifies stdio drives: Loading. (line 419) -* -ecma119_map names w/o Rock Ridge, Joliet: Loading. (line 298) +* -early_stdio_test classifies stdio drives: Loading. (line 423) +* -ecma119_map names w/o Rock Ridge, Joliet: Loading. (line 302) * -eject ejects drive tray: Writing. (line 50) * -end writes pending session and ends program: Scripting. (line 151) * -errfile_log logs problematic disk files: Scripting. (line 116) @@ -5986,7 +5990,7 @@ File: xorriso.info, Node: CommandIdx, Next: ConceptIdx, Prev: Legal, Up: Top * -extract_cut copies file piece to disk: Restore. (line 108) * -extract_l copies files to disk: Restore. (line 104) * -extract_single copies file to disk: Restore. (line 101) -* -file_name_limit curbs length of file names: Loading. (line 345) +* -file_name_limit curbs length of file names: Loading. (line 349) * -file_size_limit limits data file size: SetInsert. (line 7) * -find traverses and alters ISO tree: CmdFind. (line 7) * -findx traverses disk tree: Navigate. (line 99) @@ -6008,11 +6012,11 @@ File: xorriso.info, Node: CommandIdx, Next: ConceptIdx, Prev: Legal, Up: Top * -indev acquires a drive for input: AqDrive. (line 23) * -in_charset sets input character set: Loading. (line 136) * -iso_nowtime fixed "now" time for ISO 9660 objects: Loading. - (line 319) + (line 323) * -iso_rr_pattern controls pattern expansion: Manip. (line 10) * -jigdo clears JTE or or adds parameter to JTE: Jigdo. (line 37) * -joliet enables production of Joliet tree: SetWrite. (line 10) -* -joliet_map Joliet names: Loading. (line 311) +* -joliet_map Joliet names: Loading. (line 315) * -launch_frontend starts frontend program at pipes: Frontend. (line 141) * -lfa_flags controls handling of Linux file attributes: Loading. @@ -6097,7 +6101,7 @@ File: xorriso.info, Node: CommandIdx, Next: ConceptIdx, Prev: Legal, Up: Top (line 57) * -rollback discards pending changes: Writing. (line 9) * -rollback_end ends program without writing: Scripting. (line 154) -* -rom_toc_scan searches for sessions: Loading. (line 377) +* -rom_toc_scan searches for sessions: Loading. (line 381) * -rr_reloc_dir sets name of relocation directory: SetWrite. (line 171) * -scdbackup_tag enables scdbackup checksum tag: Emulation. (line 179) * -scsi_dev_family choose Linux device file type: AqDrive. (line 95) @@ -6175,7 +6179,7 @@ File: xorriso.info, Node: ConceptIdx, Prev: CommandIdx, Up: Top * Appended partitions, MBR: Bootable. (line 480) * Automatic execution order, of arguments, -x: ArgSort. (line 16) * Backslash Interpretation, _definition: Processing. (line 57) -* Backup, enable fast incremental, -disk_dev_ino: Loading. (line 325) +* Backup, enable fast incremental, -disk_dev_ino: Loading. (line 329) * Backup, enable features, -for_backup: Loading. (line 278) * Backup, scdbackup checksum tag, -scdbackup: Emulation. (line 179) * Blank media, _definition: Media. (line 34) @@ -6215,8 +6219,8 @@ File: xorriso.info, Node: ConceptIdx, Prev: CommandIdx, Up: Top * Directory, delete, -rmdir: Manip. (line 29) * disk_path, _definition: Insert. (line 6) * Drive, accessability, -drive_class: AqDrive. (line 43) -* Drive, classify stdio, -early_stdio_test: Loading. (line 419) -* Drive, demand real MMC, -ban_stdio_write: Loading. (line 415) +* Drive, classify stdio, -early_stdio_test: Loading. (line 423) +* Drive, demand real MMC, -ban_stdio_write: Loading. (line 419) * Drive, eject tray, -eject: Writing. (line 50) * Drive, for input and output, -dev: AqDrive. (line 12) * Drive, for input, -indev: AqDrive. (line 23) @@ -6224,7 +6228,7 @@ File: xorriso.info, Node: ConceptIdx, Prev: CommandIdx, Up: Top * Drive, get drive list, -devices: Inquiry. (line 7) * Drive, get drive list, -device_links: Inquiry. (line 17) * Drive, list supported media, -list_profiles: Writing. (line 163) -* Drive, reduce activity, -calm_drive: Loading. (line 405) +* Drive, reduce activity, -calm_drive: Loading. (line 409) * Drive, report SCSI commands, -scsi_log: Scripting. (line 143) * Drive, write and eject, -commit_eject: Writing. (line 53) * Drive, _definition: Drives. (line 6) @@ -6240,9 +6244,9 @@ File: xorriso.info, Node: ConceptIdx, Prev: CommandIdx, Up: Top * Examples: Examples. (line 6) * extattr, _definition: Extras. (line 66) * File content, copy, -concat: Restore. (line 148) -* File names, curb length, -file_name_limit: Loading. (line 345) -* File names, if Joliet is loaded: Loading. (line 311) -* File names, if neither Rock Ridge nor Joliet: Loading. (line 298) +* File names, curb length, -file_name_limit: Loading. (line 349) +* File names, if Joliet is loaded: Loading. (line 315) +* File names, if neither Rock Ridge nor Joliet: Loading. (line 302) * Filesytem features, show, -assess_indev_features: Inquiry. (line 61) * Filter, apply to file tree, -set_filter_r: Filter. (line 84) * Filter, apply to file, -set_filter: Filter. (line 58) @@ -6268,7 +6272,7 @@ File: xorriso.info, Node: ConceptIdx, Prev: CommandIdx, Up: Top * HFS+ serial number: Bootable. (line 455) * hidden, set in ISO image, -hide: Manip. (line 204) * HP-PA boot sector, production: Bootable. (line 430) -* Image reading, cache size, -data_cache_size: Loading. (line 431) +* Image reading, cache size, -data_cache_size: Loading. (line 435) * Image, demand volume ID, -assert_volid: Loading. (line 129) * Image, discard pending changes, -rollback: Writing. (line 9) * Image, filesystem to load, -read_fs: Loading. (line 120) @@ -6320,7 +6324,7 @@ File: xorriso.info, Node: ConceptIdx, Prev: CommandIdx, Up: Top * Jigdo Template Extraction, -jigdo: Jigdo. (line 37) * Jigdo Template Extraction, _definition: Jigdo. (line 6) * LBA, _definition: Drives. (line 17) -* libisofs, fixed "now" time: Loading. (line 319) +* libisofs, fixed "now" time: Loading. (line 323) * Linux device type, -scsi_dev_family: AqDrive. (line 95) * Linux file attributes, control handling, -lfa_flags: Loading. (line 207) @@ -6443,7 +6447,7 @@ File: xorriso.info, Node: ConceptIdx, Prev: CommandIdx, Up: Top * System area, _definition: Bootable. (line 227) * Table-of-content, choose info to show, -toc_info_type: Inquiry. (line 49) -* Table-of-content, search sessions, -rom_toc_scan: Loading. (line 377) +* Table-of-content, search sessions, -rom_toc_scan: Loading. (line 381) * Table-of-content, show parts of, -toc_of: Inquiry. (line 41) * Table-of-content, show, -toc: Inquiry. (line 27) * Timestamps, set in ISO image, -alter_date: Manip. (line 166) @@ -6503,48 +6507,48 @@ Node: Commands26634 Node: ArgSort28311 Node: AqDrive29805 Node: Loading36962 -Node: Insert63079 -Node: SetInsert75274 -Node: Manip85448 -Node: CmdFind97112 -Node: Filter117915 -Node: Writing122537 -Node: SetWrite135031 -Node: Bootable166306 -Node: Jigdo197588 -Node: Charset202591 -Node: Exception205920 -Node: DialogCtl212049 -Node: Inquiry214651 -Node: Navigate227184 -Node: Verify236339 -Node: Restore247488 -Node: Emulation259695 -Node: Scripting270151 -Node: Frontend277934 -Node: Examples287560 -Node: ExDevices288738 -Node: ExCreate289399 -Node: ExDialog290699 -Node: ExGrowing291970 -Node: ExModifying292779 -Node: ExBootable293289 -Node: ExCharset293844 -Node: ExPseudo294740 -Node: ExCdrecord295667 -Node: ExMkisofs295987 -Node: ExGrowisofs297884 -Node: ExException299037 -Node: ExTime299495 -Node: ExIncBackup299953 -Node: ExRestore303979 -Node: ExRecovery304925 -Node: Files305497 -Node: Environ306831 -Node: Seealso307579 -Node: Bugreport308343 -Node: Legal308934 -Node: CommandIdx309946 -Node: ConceptIdx328275 +Node: Insert63321 +Node: SetInsert75516 +Node: Manip85690 +Node: CmdFind97354 +Node: Filter118157 +Node: Writing122779 +Node: SetWrite135273 +Node: Bootable166548 +Node: Jigdo197830 +Node: Charset202833 +Node: Exception206162 +Node: DialogCtl212291 +Node: Inquiry214893 +Node: Navigate227426 +Node: Verify236581 +Node: Restore247730 +Node: Emulation259937 +Node: Scripting270393 +Node: Frontend278176 +Node: Examples287802 +Node: ExDevices288980 +Node: ExCreate289641 +Node: ExDialog290941 +Node: ExGrowing292212 +Node: ExModifying293021 +Node: ExBootable293531 +Node: ExCharset294086 +Node: ExPseudo294982 +Node: ExCdrecord295909 +Node: ExMkisofs296229 +Node: ExGrowisofs298126 +Node: ExException299279 +Node: ExTime299737 +Node: ExIncBackup300195 +Node: ExRestore304221 +Node: ExRecovery305167 +Node: Files305739 +Node: Environ307073 +Node: Seealso307821 +Node: Bugreport308585 +Node: Legal309176 +Node: CommandIdx310188 +Node: ConceptIdx328517  End Tag Table diff --git a/xorriso/xorriso.texi b/xorriso/xorriso.texi index 33b72429..abd1fad1 100644 --- a/xorriso/xorriso.texi +++ b/xorriso/xorriso.texi @@ -50,7 +50,7 @@ @c man .\" First parameter, NAME, should be all caps @c man .\" Second parameter, SECTION, should be 1-8, maybe w/ subsection @c man .\" other parameters are allowed: see man(7), man(1) -@c man .TH XORRISO 1 "Version 1.5.7, Jul 21, 2024" +@c man .TH XORRISO 1 "Version 1.5.7, Jul 23, 2024" @c man .\" Please adjust this date whenever revising the manpage. @c man .\" @c man .\" Some roff macros, for reference: @@ -1403,6 +1403,9 @@ Enable all extra features which help to produce or to restore backups with highest fidelity of file properties. Currently this is a shortcut for: @* -hardlinks on -acl on -xattr any -md5 on +@* +and possibly: +@* -lfa_flags default:on:restore_mask=aAcCdDijmPsStTux @* If you restore a backup with xattr from non-user namespaces, then make sure @@ -1416,10 +1419,14 @@ events. Command -xattr "user" after command -for_backup will exclude non-user attributes from being recorded or restored. @* -The -lfa_flags restore mask of -for_backup enables all known settable -attributes, except "F" which has special constraints which xorriso cannot yet -detect at restore time. Command -lfa_flags "restore_mask=" after -for_backup -will enable all known settable attributes. +The command -lfa_flags is executed by -for_backup only if the underlying +libisofs was compiled with support for Linux file attributes, +which is typically not the case on non-Linux systems. +@* +If -lfa_flags is executed by -for_backup then the restore mask enables all +known settable attributes, except "F" which has special constraints which +xorriso cannot yet detect at restore time. Command -lfa_flags "restore_mask=" +after -for_backup will enable all known settable attributes. @c man .TP @item -ecma119_map "stripped"|"unmapped"|"lowercase"|"uppercase" @kindex -ecma119_map names w/o Rock Ridge, Joliet diff --git a/xorriso/xorriso_private.h b/xorriso/xorriso_private.h index ab8144c1..85f07ca0 100644 --- a/xorriso/xorriso_private.h +++ b/xorriso/xorriso_private.h @@ -187,6 +187,10 @@ struct XorrisO { /* the global context of xorriso */ int lfa_flags_setting; /* Current settings of command -lfa_flags bit0= on bit1= auto_su + bit2= auto_on (i.e. only if libisofs has been + compiled with lfa enabled) + bit3= libisofs indeed has lfa enabled + (to be set only at program start) bit11-14= at the end of the command these bits get put into .do_aaip if bit0 is on. Else the lfa bits of do_aaip will be set diff --git a/xorriso/xorriso_timestamp.h b/xorriso/xorriso_timestamp.h index d2ae4601..30e74fc6 100644 --- a/xorriso/xorriso_timestamp.h +++ b/xorriso/xorriso_timestamp.h @@ -1 +1 @@ -#define Xorriso_timestamP "2024.07.22.214318" +#define Xorriso_timestamP "2024.07.23.152959" diff --git a/xorriso/xorrisofs.texi b/xorriso/xorrisofs.texi index a3a56459..93248f57 100644 --- a/xorriso/xorrisofs.texi +++ b/xorriso/xorrisofs.texi @@ -50,7 +50,7 @@ @c man .\" First parameter, NAME, should be all caps @c man .\" Second parameter, SECTION, should be 1-8, maybe w/ subsection @c man .\" other parameters are allowed: see man(7), man(1) -@c man .TH XORRISOFS 1 "Version 1.5.7, Jul 21, 2024" +@c man .TH XORRISOFS 1 "Version 1.5.7, Jul 23, 2024" @c man .\" Please adjust this date whenever revising the manpage. @c man .\" @c man .\" Some roff macros, for reference: @@ -68,7 +68,7 @@ @copying xorrisofs - Emulation of ISO 9660 program mkisofs by program xorriso -Copyright @copyright{} 2011 - 2023 Thomas Schmitt +Copyright @copyright{} 2011 - 2024 Thomas Schmitt @quotation Permission is granted to distribute this text freely. @@ -943,7 +943,7 @@ Alias of -rr_reloc_dir "/.rr_moved" Enable all options which improve backup fidelity: @* @minus{}@minus{}acl, @minus{}@minus{}xattr-any, @minus{}@minus{}md5, -@minus{}@minus{}hardlinks, @minus{}@minus{}lfa_flags. +@minus{}@minus{}hardlinks, and possibly @minus{}@minus{}lfa_flags. @* If you later restore a backup with xattr from non-user namespaces, then make sure that the target operating system and filesystem know what these attributes @@ -953,6 +953,10 @@ privileges and just record what is readable. @* Option @minus{}@minus{}xattr after option @minus{}@minus{}for_backup excludes non-user attributes from being recorded. +@* +Option @minus{}@minus{}for_backup enables @minus{}@minus{}lfa_flags only if +the underlying libisofs was compiled with support for Linux file attributes, +which is typically not the case on non-Linux systems. @c man .TP @item @minus{}@minus{}acl @kindex @minus{}@minus{}acl Recording of ACLs