psi-jack/gen2stage4
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Changed default to xz from bz2

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Eric Renfro 2024-08-04 02:05:02 -04:00
parent 3886f96018
commit 179dd65705
Signed by: psi-jack
SSH key fingerprint: SHA256:1TKB8Z257L8EHK8GWNxKgMhD8a+FAR+f+j3nnlcuNVM
3 changed files with 19 additions and 10 deletions
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19
README.md
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@ -144,23 +144,30 @@ Similarly to other compressors, `gzip` uses a separate binary for parallel decom
tar -I unpigz -xvf archive_name.tar.gz --xattrs-include='*.*' --numeric-owner
```
#### `zst`
```bash
tar -I 'zstd -T0' -xvf archive_name.tar.gz --xattrs-include='*.*' --numeric-owner
```
## Dependencies
*Please note that these are very basic dependencies and should already be included in any Linux system.*
* **[Bash](https://en.wikipedia.org/wiki/Bash_(Unix_shell))** - in [Portage](http://en.wikipedia.org/wiki/Portage_(software)) as **[app-shells/bash](https://packages.gentoo.org/packages/app-shells/bash)**
* **[tar](https://en.wikipedia.org/wiki/Tar_(computing))** - in Portage as **[app-arch/tar](https://packages.gentoo.org/packages/app-arch/tar)**
* **[bzip2](https://gitlab.com/federicomenaquintero/bzip2)** - in Portage as **[app-arch/bzip2](https://packages.gentoo.org/packages/app-arch/bzip2)** (single thread, default compression)
* **[Bash](https://www.gnu.org/software/bash/)** - in [Portage](http://en.wikipedia.org/wiki/Portage_(software)) as **[app-shells/bash](https://packages.gentoo.org/packages/app-shells/bash)**
* **[tar](https://www.gnu.org/software/tar/)** - in Portage as **[app-arch/tar](https://packages.gentoo.org/packages/app-arch/tar)**
* **[xz](https://tukaani.org/xz/)** - in Portage as **[app-arch/xz](https://packages.gentoo.org/packages/app-arch/xz-utils)**, (parallel, default compression)
* **[rsync](https://rsync.samba.org/)** - in Portage as **[net-misc/rsync](https://packages.gentoo.org/packages/net-misc/rsync)** (used by gen2sync)
**Optionals**:
*If one the following is installed the archive will be compressed using multiple parallel threads when available, in order of succession:*
* `-C xz`:
* **[xz](https://tukaani.org/xz/)** - in Portage as **[app-arch/xz](https://packages.gentoo.org/packages/app-arch/xz-utils)**, (parallel)
* **[xz](https://tukaani.org/xz/)** - in Portage as **[app-arch/xz](https://packages.gentoo.org/packages/app-arch/xz-utils)**, (parallel, default compression)
* **[pixz](https://github.com/vasi/pixz)** - in Portage as **[app-arch/pixz](https://packages.gentoo.org/packages/app-arch/pixz)**, (parallel, indexed)
* `-C bz2`:
* **[bzip2](https://gitlab.com/federicomenaquintero/bzip2)** - in Portage as **[app-arch/bzip2](https://packages.gentoo.org/packages/app-arch/bzip2)** (single thread)
* **[pbzip2](https://launchpad.net/pbzip2/)** - in Portage as **[app-arch/pbzip2](https://packages.gentoo.org/packages/app-arch/pbzip2)**, (parallel)
* **[lbzip2](https://github.com/kjn/lbzip2/)** - in Portage as **[app-arch/lbzip2](https://packages.gentoo.org/packages/app-arch/lbzip2)**, (parallel, faster and more efficient)
@ -181,5 +188,5 @@ tar -I unpigz -xvf archive_name.tar.gz --xattrs-include='*.*' --numeric-owner
* `-C lzo`:
* **[lzop](https://www.lzop.org/)** - in Portage as **[app-arch/lzop](https://packages.gentoo.org/packages/app-arch/lzop)**, (parallel)
* `-C zstd`:
* `-C zst`:
* **[zstd](https://facebook.github.io/zstd/)** - in Portage as **[app-arch/zstd](https://packages.gentoo.org/packages/app-arch/zstd)**, (parallel)

1
gen2extract
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@ -128,6 +128,7 @@ fi
compressOptions=("${compressAvail[$archiveExt]}")
case "$archiveExt" in
xz) compressOptions+=("-T0");;
zst) compressOptions+=("-T0");;
esac
tarOptions=(

9
gen2stage4
View file

@ -29,7 +29,7 @@ optExcludeLost=true
optQuiet=false
optUserExclude=()
optUserInclude=()
optCompressType="bz2"
optCompressType="xz"
optSeperateKernel=false
@ -240,9 +240,10 @@ tarIncludes+=("${optUserInclude[@]}")
# Compression options
compressOptions=("${compressAvail[$optCompressType]}")
if [[ "${compressAvail[$optCompressType]}" == *"/xz" ]]; then
compressOptions+=("-T0")
fi
case "$(basename "${compressAvail[$optCompressType]}")" in
xz) compressOptions+=("-T0");;
zstd) compressOptions+=("-T0");;
esac
# Generic tar options:
tarOptions=(