1. rcrnstn/distro-url
  2. Commit 4b12e0aaf9cc703f64eaa3fd7c5e6e0d9cf9a608
Browse code

Print header and variables in a table

Robert Cranston authored on 22/05/2026 23:24:09
Showing 2 changed files
README.md
History View file @ 4b12e0a
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@@ -1,6 +1,6 @@
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 # [`distro-url`][]
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-Print [Linux][] [distro][] [image][] [URL][]s.
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+Print [Linux][] [distro][] info, including [image][] [URL][]s.
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 Note that the latest versions are hard coded, which means they will need to be
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 manually updated, which means they may be out of date.
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@@ -27,6 +27,7 @@ distro-url [<distro> [<variant> [<arch> [<codename> [<version> [<mirror>]]]]]]
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 ## Dependencies
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 -   [POSIX][] [shell][].
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+-   `column`, optional, for formatting.
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 [POSIX]: https://en.wikipedia.org/wiki/POSIX
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 [shell]: https://en.wikipedia.org/wiki/Unix_shell
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@@ -35,13 +36,16 @@ distro-url [<distro> [<variant> [<arch> [<codename> [<version> [<mirror>]]]]]]
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 ```sh
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 $ distro-url debian
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-https://cdimage.debian.org/debian-cd/13.5.0-live/amd64/iso-hybrid/debian-live-13.5.0-amd64-gnome.iso
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+DISTRO  VARIANT  ARCH   CODENAME  VERSION  URL
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+debian  gnome    amd64  trixie    13.5.0   https://cdimage.debian.org/debian-cd/13.5.0-live/amd64/iso-hybrid/debian-live-13.5.0-amd64-gnome.iso
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 $ distro-url debian netinst
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-https://cdimage.debian.org/debian-cd/13.5.0/amd64/iso-cd/debian-13.5.0-amd64-netinst.iso
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+DISTRO  VARIANT  ARCH   CODENAME  VERSION  URL
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+debian  netinst  amd64  trixie    13.5.0   https://cdimage.debian.org/debian-cd/13.5.0/amd64/iso-cd/debian-13.5.0-amd64-netinst.iso
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 $ distro-url debian inst arm64 unknown 99.0.0
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-https://cdimage.debian.org/debian-cd/99.0.0/arm64/iso-dvd/debian-99.0.0-arm64-DVD-1.iso
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+DISTRO  VARIANT  ARCH   CODENAME  VERSION  URL
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+debian  inst     arm64  unknown   99.0.0   https://cdimage.debian.org/debian-cd/99.0.0/arm64/iso-dvd/debian-99.0.0-arm64-DVD-1.iso
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 ```
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 ## License
bin/distro-url
History View file @ 4b12e0a
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@@ -5,7 +5,15 @@ set -euC
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 main()
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 {
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-  guess "$@"
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+  {
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+    echo 'DISTRO' 'VARIANT' 'ARCH' 'CODENAME' 'VERSION' 'URL'
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+    guess "$@"
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+  } \
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+  | {
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+    [ "$(command -v column)" ] \
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+      && column -t \
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+      || cat
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+  }
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 }
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 guess()
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@@ -15,6 +23,7 @@ guess()
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   arch="${3:-}"
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   codename="${4:-}"
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   version="${5:-}"
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+  vars()  { printf '%s ' "$distro" "$variant" "$arch" "$codename" "$version"; }
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   lower() { printf '%s\n' "$1" | tr 'A-Z' 'a-z'; }
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   upper() { printf '%s\n' "$1" | tr 'a-z' 'A-Z'; }
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   case "$distro/$variant" in
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@@ -26,6 +35,7 @@ guess()
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       : ${variant:="gnome"}
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       : ${codename:="trixie"}
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       : ${version:="13.5.0"}
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+      vars
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       case "$variant" in
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         raspi)
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           # : ${mirror:="https://get.debian.org/images/cloud"}
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@@ -58,6 +68,7 @@ guess()
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       : ${codename:="trixie"}
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       : ${version:="2026-04-21"}
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       : ${mirror:="https://downloads.raspberrypi.com"}
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+      vars
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       case "$variant" in
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         default) name="${distro}_${arch}";            suffix='';          ;;
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         *)       name="${distro}_${variant}_${arch}"; suffix="-$variant"; ;;
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@@ -73,6 +84,7 @@ guess()
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       : ${variant:="desktop"}
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       : ${codename:="resolute"}
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       : ${version:="26.04"}
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+      vars
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       if [ "$distro/$arch" = 'ubuntu/amd64' ]
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       then : ${mirror:="https://releases.ubuntu.com"};                 dir="$codename";
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       else : ${mirror:="https://cdimage.ubuntu.com/$distro/releases"}; dir="$codename/release";
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@@ -89,6 +101,7 @@ guess()
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       : ${codename:="zena"}
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       : ${version:="22.3"}
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       : ${mirror:="https://pub.linuxmint.io"}
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+      vars
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       case "$arch" in
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         amd64) arch='64bit' ;;
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       esac
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@@ -100,6 +113,7 @@ guess()
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       : ${codename:="tumbleweed"}
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       : ${version:="-"}
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       : ${mirror:="https://download.opensuse.org"}
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+      vars
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       distro='openSUSE'
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       case "$codename" in
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         tumbleweed) codename='Tumbleweed' ;;