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| author | Matthias Beyer <mail@beyermatthias.de> | 2015-02-08 16:22:50 +0100 |
|---|---|---|
| committer | Matthias Beyer <mail@beyermatthias.de> | 2015-02-11 14:52:29 +0100 |
| commit | 1fd1a97b0fa46ffb90b94cc8576fe9cb268819ae (patch) | |
| tree | 7d37ce029e4a76121a12114edb5ee90413d9c5ad /nix-script-ls-profiles.sh | |
| parent | 3adce1dca3f5018e65c3e11c36ef990bb1a73730 (diff) | |
Add first implementation for ls-profiles command
Diffstat (limited to 'nix-script-ls-profiles.sh')
| -rw-r--r-- | nix-script-ls-profiles.sh | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/nix-script-ls-profiles.sh b/nix-script-ls-profiles.sh index e69de29..41fa31c 100644 --- a/nix-script-ls-profiles.sh +++ b/nix-script-ls-profiles.sh @@ -0,0 +1,121 @@ +#!/bin/bash + +profiledir=/nix/var/nix/profiles + +usage() { + cat <<EOS >&2 + ls-profiles <--system|-s> <--user|-u> <--system-profiles|-p> <-v> <-h> + + --system | -s | Show system profiles + --user | -u | Show user profiles + --system-profiles | -p | Show other system profiles + -n | Show only profile numbers + -v | Be verbose + -h | Show this help and exit +EOS +} + +SYSTEM=0 +USER=0 +SYSPROF=0 +NUMBERS=0 +VERBOSE=0 + +for arg +do + + case $arg in + "--system" ) + SYSTEM=1 + ;; + + "-s" ) + SYSTEM=1 + ;; + + "-u" ) + USER=1 + ;; + + "--user" ) + USER=1 + USER_NAMES=$USER + ;; + + "--system-profiles" ) + SYSPROF=1 + ;; + + "-p" ) + SYSPROF=1 + ;; + + "--verbose" ) + VERBOSE=1 + ;; + + "-n" ) + NUMBERS=1 + ;; + + "-v" ) + VERBOSE=1 + ;; + + "-h" ) + usage + exit 0 + ;; + + "*") + ;; + esac +done + +if (( $SYSTEM == 0 && $USER == 0 && $SYSPROF == 0 )) +then + usage + exit 1 +fi + +numberfilter() { + pref="$1" + if (( $NUMBERS == 0 )) + then + cat + else + if (( ($SYSTEM != 0 && $USER != 0) || + ($SYSTEM != 0 && $SYSPROF != 0) || + ($USER != 0 && $SYSPROF != 0) )) + then + cut -d - -f 2 | sort -n | sed -r "s:^(.*):$pref\1:" + else + cut -d - -f 2 | sort -n + fi + fi +} + +list() { + ls "$profiledir/$1" | grep -E "$2" | numberfilter "$3" +} + +if (( $SYSTEM == 1 )) +then + list "" "^system-.*-link" "system/" +fi + +if (( $USER == 1 )) +then + for username in $USER_NAMES + do + list "per-user/$username" "^profile-.*-link" "user/$username/" + done +fi + +if (( $SYSPROF == 1 )) +then + for entry in $(ls "$profiledir/system-profiles" | grep -v ".*-.*-link") + do + list "system-profiles/" "^$entry-.*-link" "system/$entry/" + done +fi |