Tronax
d56659e21a
Initial Go project built with Bubble Tea and Lip Gloss: - Live preview and management of /etc/update-motd.d scripts - Embedded presets (ubuntu-default, minimal, server-dashboard) - Bundled POSIX sh style scripts (brand header, sysinfo panel, footer) - Snapshot/restore safety around applying changes - CLI subcommands preview, apply, restore, list-presets - Unit tests for detect, sanitize, and apply logic
36 lines
858 B
Bash
36 lines
858 B
Bash
#!/bin/sh
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# motd-assist :: brand-header — Rahmen-Header mit Hostname und Betriebssystem
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set -u
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E=$(printf '\033')
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BLUE="${E}[1;38;5;75m"
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ORANGE="${E}[1;38;5;214m"
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DIM="${E}[2m"
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BOLD="${E}[1m"
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R="${E}[0m"
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HOST=$(hostname 2>/dev/null || echo localhost)
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HOST=${HOST%%.*}
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OS=Linux
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if [ -r /etc/os-release ]; then
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. /etc/os-release
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OS=${PRETTY_NAME:-Linux}
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fi
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W=${COLUMNS:-72}
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case $W in ''|*[!0-9]*) W=72 ;; esac
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[ "$W" -gt 78 ] && W=78
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[ "$W" -lt 44 ] && W=44
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INNER=$((W - 2))
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PLAIN=" ${HOST} - ${OS} "
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PAD=$((INNER - ${#PLAIN}))
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[ "$PAD" -lt 0 ] && PAD=0
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RULE=$(awk -v n="$INNER" 'BEGIN{s="";for(i=0;i<n;i++)s=s "─";printf "%s",s}')
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SPACES=$(printf '%*s' "$PAD" '')
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printf '%b\n' "$BLUE╭$R$DIM$RULE$R$BLUE╮$R"
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printf '%b\n' "$BLUE│$R $BOLD$BLUE$HOST$R $DIM·$R $ORANGE$OS$R$SPACES $BLUE│$R"
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printf '%b\n' "$BLUE╰$R$DIM$RULE$R$BLUE╯$R"
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