moparisthebest
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pkgsync
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Few changes and fixes to address feedback

This commit is contained in:
Travis Burtrum 2016-10-30 01:17:43 -04:00
parent c7229488cb
commit 67dfcc1722
3 changed files with 58 additions and 14 deletions
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3
README.md
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@ -1,6 +1,9 @@
# pkgsync
A simple script to sync installed packages across Arch installs
# Usage
Configure pkgsync by modifying /etc/default/pkgsync, follow instructions in comments. Then just run pkgsync on each system to sync packages.
# Dependencies
This script is only for Linux distros that use pacman for package management. All dependencies are included in the Arch Linux base group but are listed out here for general info:

7
config/pkgsync
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@ -1,6 +1,8 @@
# this is the configuration for pkgsync
# it uses these defaults, but you can change them
# list files can have comments starting with #, and do not need to be sorted
# packages on this system to exclude from shared install list
#EXCLUSION_LIST=/etc/pkgsync/pkg_exclude.list
@ -13,6 +15,11 @@
# packages to install on all systems, you must sync it between systems
#INSTALL_LIST=/etc/pkgsync/pkg_install.list
# scripts must be executable and have non-zero exit status for pkgsync to continue
# script that is ran before pkgsync calculations start, can be used to sync various lists
#PRESTART_SCRIPT=/etc/pkgsync/pkg_prestart.sh
# script that is ran when INSTALL_LIST is changed, can be used to sync it
#FINISH_SCRIPT=/etc/pkgsync/pkg_finish.sh

62
pkgsync
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@ -8,17 +8,20 @@ EXCLUSION_LIST="${EXCLUSION_LIST:-/etc/pkgsync/pkg_exclude.list}"
BLACKLIST_LIST="${BLACKLIST_LIST:-/etc/pkgsync/pkg_blacklist.list}"
REMOVE_LIST="${REMOVE_LIST:-/etc/pkgsync/pkg_remove.list}"
INSTALL_LIST="${INSTALL_LIST:-/etc/pkgsync/pkg_install.list}"
FINISH_SCRIPT="${INSTALL_LIST:-/etc/pkgsync/pkg_finish.sh}"
PRESTART_SCRIPT="${PRESTART_SCRIPT:-/etc/pkgsync/pkg_prestart.sh}"
FINISH_SCRIPT="${FINISH_SCRIPT:-/etc/pkgsync/pkg_finish.sh}"
TMP_DIR="${TMP_DIR:-/tmp}"
[ -x "$PRESTART_SCRIPT" ] && "$PRESTART_SCRIPT"
# we really don't care if these exist or not or are empty, we just want empty files if so
grep -v '^#' "$EXCLUSION_LIST" 2>/dev/null > "$TMP_DIR/pkg_exclude.list" || true
grep -v '^#' "$BLACKLIST_LIST" 2>/dev/null > "$TMP_DIR/pkg_blacklist.list" || true
grep -v '^#' "$REMOVE_LIST" 2>/dev/null > "$TMP_DIR/pkg_remove.list" || true
[ ! -e "$INSTALL_LIST" ] && touch "$INSTALL_LIST"
grep -v '^#' "$EXCLUSION_LIST" 2>/dev/null | sort -u > "$TMP_DIR/pkg_exclude.list" || true
grep -v '^#' "$BLACKLIST_LIST" 2>/dev/null | sort -u > "$TMP_DIR/pkg_blacklist.list" || true
grep -v '^#' "$REMOVE_LIST" 2>/dev/null | sort -u > "$TMP_DIR/pkg_remove.list" || true
grep -v '^#' "$INSTALL_LIST" 2>/dev/null | sort -u > "$TMP_DIR/pkg_install.list" || true
# get our explicitly installed packages, minus hardware-specific exclusions
pacman -Qe | awk '{print $1}' | sort | comm -23 - "$TMP_DIR/pkg_exclude.list" > "$TMP_DIR/mypkgs_with_exclusions.txt"
pacman -Q | awk '{print $1}' | sort | comm -23 - "$TMP_DIR/pkg_exclude.list" > "$TMP_DIR/mypkgs_with_exclusions.txt"
# exclude packages to remove
comm -23 "$TMP_DIR/mypkgs_with_exclusions.txt" "$TMP_DIR/pkg_remove.list" > "$TMP_DIR/mypkgs_with_exclusions_without_remove.txt"
@ -27,24 +30,55 @@ comm -23 "$TMP_DIR/mypkgs_with_exclusions.txt" "$TMP_DIR/pkg_remove.list" > "$TM
comm -12 "$TMP_DIR/mypkgs_with_exclusions.txt" "$TMP_DIR/pkg_remove.list" > "$TMP_DIR/pkg_toremove.list"
# combine our packages with shared installed list, excluding remove
sort -u "$TMP_DIR/mypkgs_with_exclusions_without_remove.txt" "$INSTALL_LIST" | comm -23 - "$TMP_DIR/pkg_remove.list" > "$TMP_DIR/pkg_installed.list"
sort -u "$TMP_DIR/mypkgs_with_exclusions_without_remove.txt" "$TMP_DIR/pkg_install.list" | comm -23 - "$TMP_DIR/pkg_remove.list" > "$TMP_DIR/pkg_installed.list"
# list of packages to install, with our blacklist excluded
comm -13 "$TMP_DIR/mypkgs_with_exclusions_without_remove.txt" "$TMP_DIR/pkg_installed.list" | comm -23 - "$TMP_DIR/pkg_blacklist.list" > "$TMP_DIR/pkg_toinstall.list"
# packages already on this computer not in the shared install list we need to put in there
comm -23 "$TMP_DIR/pkg_installed.list" "$TMP_DIR/pkg_install.list" > "$TMP_DIR/pkg_ourinstall.list"
# offer to install missing packages
xargs -p --no-run-if-empty pacman -S --needed --noconfirm < "$TMP_DIR/pkg_toinstall.list"
if [ -s "$TMP_DIR/pkg_toinstall.list" ]
then
yn=l
while [[ ! "$yn" =~ ^[YyNnAa]$ ]]
do
read -p "Install new packages? (yes/no/list/abort)..." -n 1 yn
echo
[[ "$yn" =~ ^[Ll]$ ]] && cat "$TMP_DIR/pkg_toinstall.list"
done
[[ "$yn" =~ ^[Yy]$ ]] && pacman -S --needed --confirm - < "$TMP_DIR/pkg_toinstall.list"
[[ "$yn" =~ ^[Aa]$ ]] && exit 1
fi
# offer to remove packages
xargs -p --no-run-if-empty pacman -Ru --noconfirm < "$TMP_DIR/pkg_toremove.list"
if [ -s "$TMP_DIR/pkg_toremove.list" ]
then
yn=l
while [[ ! "$yn" =~ ^[YyNnAa]$ ]]
do
read -p "Remove packages? (yes/no/list/abort)..." -n 1 yn
echo
[[ "$yn" =~ ^[Ll]$ ]] && cat "$TMP_DIR/pkg_toremove.list"
done
[[ "$yn" =~ ^[Yy]$ ]] && pacman -Ru --confirm - < "$TMP_DIR/pkg_toremove.list"
[[ "$yn" =~ ^[Aa]$ ]] && exit 1
fi
# offer to update install list, if it changed
if [ "$(comm -3 "$TMP_DIR/pkg_installed.list" "$INSTALL_LIST")" != "" ]
if [ -s "$TMP_DIR/pkg_ourinstall.list" ]
then
read -p "Overwrite '$INSTALL_LIST' with new package list and run finish script?..." -n 1 yn
[[ $yn =~ ^[Yy]$ ]] && cp "$TMP_DIR/pkg_installed.list" "$INSTALL_LIST"
echo
yn=l
while [[ ! "$yn" =~ ^[YyNnAa]$ ]]
do
read -p "Append packages unique to this computer to install list and run finish script? (yes/no/list/abort)..." -n 1 yn
echo
[[ "$yn" =~ ^[Ll]$ ]] && cat "$TMP_DIR/pkg_ourinstall.list"
done
[[ "$yn" =~ ^[Yy]$ ]] && cat "$TMP_DIR/pkg_ourinstall.list" >> "$INSTALL_LIST"
[[ "$yn" =~ ^[Aa]$ ]] && exit 1
[ -x "$FINISH_SCRIPT" ] && "$FINISH_SCRIPT"
fi
rm -f "$TMP_DIR/pkg_exclude.list" "$TMP_DIR/pkg_blacklist.list" "$TMP_DIR/pkg_remove.list" "$TMP_DIR/mypkgs_with_exclusions.txt" "$TMP_DIR/mypkgs_with_exclusions_without_remove.txt" "$TMP_DIR/pkg_toremove.list" "$TMP_DIR/pkg_installed.list" "$TMP_DIR/pkg_toinstall.list"
rm -f "$TMP_DIR/pkg_exclude.list" "$TMP_DIR/pkg_blacklist.list" "$TMP_DIR/pkg_remove.list" "$TMP_DIR/mypkgs_with_exclusions.txt" "$TMP_DIR/mypkgs_with_exclusions_without_remove.txt" "$TMP_DIR/pkg_toremove.list" "$TMP_DIR/pkg_installed.list" "$TMP_DIR/pkg_toinstall.list" "$TMP_DIR/pkg_ourinstall.list"