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#!/bin/bash
# Show which SBo packages require a given package, marking installed ones.
SBO_REPO="${SBO_REPO:-/var/lib/sbopkg/SBo-git}"
PKG_LOG="${PKG_LOG:-/var/log/packages}"
# Colors (disabled when stdout is not a terminal)
if [[ -t 1 ]]; then
C_RESET='\033[0m'
C_INSTALLED='\033[1;32m' # bold green — installed
C_MISSING='\033[0;33m' # yellow — not installed
C_TARGET='\033[1;36m' # bold cyan — the queried package
C_CATEGORY='\033[2;37m' # dim white — category label
C_HEADER='\033[1;37m' # bold white — section headers
C_ERROR='\033[1;31m' # bold red — errors
C_SEP='\033[0;90m' # dark grey — separators
else
C_RESET='' C_INSTALLED='' C_MISSING=''
C_TARGET='' C_CATEGORY='' C_HEADER='' C_ERROR='' C_SEP=''
fi
usage() {
cat <<EOF
Usage: $(basename "$0") [OPTIONS] <package>
Show SBo packages that list <package> in their REQUIRES field.
Options:
-i show only installed dependents
-u show only uninstalled dependents
-r recursive: also find what requires those packages (one level)
-h this help
Symbols:
[I] installed on this system
[ ] not installed
EOF
exit 0
}
die() { printf "${C_ERROR}error:${C_RESET} %s\n" "$*" >&2; exit 1; }
OPT_INSTALLED=0
OPT_UNINSTALLED=0
OPT_RECURSIVE=0
while getopts "iurh" opt; do
case "$opt" in
i) OPT_INSTALLED=1 ;;
u) OPT_UNINSTALLED=1 ;;
r) OPT_RECURSIVE=1 ;;
h) usage ;;
*) usage ;;
esac
done
shift $((OPTIND - 1))
[[ $# -lt 1 ]] && usage
TARGET="$1"
[[ -d "$SBO_REPO" ]] || die "SBo repo not found at $SBO_REPO (set \$SBO_REPO)"
[[ -d "$PKG_LOG" ]] || die "package log not found at $PKG_LOG (set \$PKG_LOG)"
# Build installed-package name set (strip version-arch-build suffix)
declare -A INSTALLED
while IFS= read -r entry; do
name="${entry##*/}" # basename
name="${name%-*-*-*}" # strip last three dash-fields
INSTALLED["$name"]=1
done < <(find "$PKG_LOG" -maxdepth 1 -follow -type f)
is_installed() { [[ -n "${INSTALLED[$1]+set}" ]]; }
# Search .info files for packages that require TARGET (whole-word match)
find_dependents() {
local pkg="$1"
grep -rl "REQUIRES=.*\b${pkg}\b" "$SBO_REPO" --include="*.info" 2>/dev/null
}
print_result() {
local info_file="$1"
local prgnam
prgnam=$(grep -m1 '^PRGNAM=' "$info_file" | cut -d'"' -f2)
local category
category=$(awk -F'/' '{print $(NF-2)}' <<< "$info_file")
if is_installed "$prgnam"; then
[[ $OPT_UNINSTALLED -eq 1 ]] && return
printf "${C_INSTALLED}[I] %-40s${C_RESET} ${C_CATEGORY}(%s)${C_RESET}\n" \
"$prgnam" "$category"
else
[[ $OPT_INSTALLED -eq 1 ]] && return
printf "${C_MISSING}[ ] %-40s${C_RESET} ${C_CATEGORY}(%s)${C_RESET}\n" \
"$prgnam" "$category"
fi
}
printf "${C_HEADER}Packages requiring ${C_TARGET}'%s'${C_RESET}${C_HEADER}:${C_RESET}\n" "$TARGET"
printf "${C_SEP}%s${C_RESET}\n" "────────────────────────────────────────────────────"
mapfile -t DIRECT < <(find_dependents "$TARGET")
if [[ ${#DIRECT[@]} -eq 0 ]]; then
printf "${C_SEP}(none found)${C_RESET}\n"
exit 0
fi
for f in "${DIRECT[@]}"; do
print_result "$f"
done | sort
if [[ $OPT_RECURSIVE -eq 1 ]]; then
declare -A SEEN
for f in "${DIRECT[@]}"; do
prgnam=$(grep -m1 '^PRGNAM=' "$f" | cut -d'"' -f2)
SEEN["$prgnam"]=1
done
printf "\n${C_HEADER}Packages requiring those (one level up):${C_RESET}\n"
printf "${C_SEP}%s${C_RESET}\n" "────────────────────────────────────────────────────"
declare -A SECOND_LEVEL
for f in "${DIRECT[@]}"; do
prgnam=$(grep -m1 '^PRGNAM=' "$f" | cut -d'"' -f2)
while IFS= read -r f2; do
p2=$(grep -m1 '^PRGNAM=' "$f2" | cut -d'"' -f2)
[[ -z "${SEEN[$p2]+set}" && -z "${SECOND_LEVEL[$p2]+set}" ]] || continue
SECOND_LEVEL["$p2"]="$f2"
done < <(find_dependents "$prgnam")
done
if [[ ${#SECOND_LEVEL[@]} -eq 0 ]]; then
printf "${C_SEP}(none found)${C_RESET}\n"
else
for p2 in "${!SECOND_LEVEL[@]}"; do
print_result "${SECOND_LEVEL[$p2]}"
done | sort
fi
fi
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