Merge pull request #2 from claui/drop-macos-support

Drop macOS support (and dependency on `xxargs`)

Author: claui

README.md

@@ -14,7 +14,7 @@ If you do use znapzupport, be advised that it is largely untested.
 
 To use znapzupport, you need:
 
-- Linux with `bash`, `sudo`, and `coreutils` installed (znapzupport may run on macOS but that’s now unmaintained and thus unsupported);
+- Linux with `bash`, `sudo`, and `coreutils` installed (znapzupport no longer runs on macOS);
 
 - OpenZFS;
 
@@ -25,15 +25,12 @@ To use znapzupport, you need:
 
 ## Installation
 
-1. Make sure you have [Homebrew](https://brew.sh) installed.
+If you use the AUR, see this package:
 
-2. Run `brew tap claui/public` if you haven’t already done so.
+https://aur.archlinux.org/packages/znapzupport
 
-3. Run:
-
-```
-brew install znapzupport
-```
+You can install znapzupport manually by copying the entire project directory to any location;
+see the [PKGBUILD](https://aur.archlinux.org/cgit/aur.git/tree/PKGBUILD?h=znapzupport) on the AUR for an example.
 
 
 # The commands
@@ -177,7 +174,7 @@ This suite of programs is in no way affiliated with, nor has it any connection t
 
 # License
 
-Copyright (c) 2018 – 2020 Claudia <[email protected]>
+Copyright (c) 2018 – 2022 Claudia <[email protected]>
 
 Permission to use, copy, modify, and/or distribute this software for
 any purpose with or without fee is hereby granted, provided that the

libexec/znaphodl.bash

@@ -112,7 +112,7 @@ export -f __znaphodl__target_dataset_record
 function __znaphodl__load_tagged_source_snapshot {
   tagged_source_snapshot="$(
     zfs list -H -t snapshot -o name "${source_dataset}" \
-      | xxargs -r -n 1 -P 16 zfs holds -r -H \
+      | xargs -r -n 1 -P 16 zfs holds -r -H \
       | awk -F '\t' -v "tag=${source_hold_tag}" \
         '$2 == tag && found {
           print "Duplicate tag: "tag > "/dev/stderr"; exit 1

libexec/znaphodlz.bash

@@ -30,7 +30,7 @@ function __znaphodlz {
     }; then
       echo $'\n'"Home dataset ${dataset}"
       zfs list -H -t snapshot -o name "${dataset}" \
-        | xxargs -r -n 1 -P 16 zfs holds -r -H \
+        | xargs -r -n 1 -P 16 zfs holds -r -H \
         | cut -f '1,2'
     fi
   done

libexec/znaplizt.bash

@@ -10,7 +10,7 @@ function __znaplizt__summarize_dataset {
     used,logicalused,usedbydataset`
       `,referenced,logicalreferenced,usedbysnapshots \
     "${dataset}" \
-    | xxargs -r printf '%s    %-18s%10s\n'
+    | xargs -r printf '%s    %-18s%10s\n'
 }
 
 export -f __znaplizt__summarize_dataset