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#!/usr/bin/env zsh
# Recommended: hg >= 1.0
PDIR="$HOME/packages"
PKG_ROOT="ssh://derf.homelinux.org/var/packages_root"
VCS_CMD="hg"
VCS_OPTIONS="--quiet"
VCS_ADD="clone"
VCS_INCOMING="incoming"
VCS_STATUS="status"
VCS_UPDATE="pull"
VCS_UPDATE_OPTIONS="--update"
CL_OPTIONS="-q"
info=$'\e[0;36m'
error=$'\e[0;31m'
reset=$'\e[0m'
info () {
echo -ne "${info}$*${reset}"
}
warn () {
echo -ne "${error}$*${reset}"
}
die () {
echo -ne "${error}$*${reset}"
exit 100
}
check_sed () {
QUUX=$(echo foox | sed -r 's/^fo{2}(.)$/quu\1/' 2> /dev/null)
if ([ "$QUUX" != 'quux' ]) {
warn "sed is not working properly. This may produce unexpected behaviour.\n"
}
}
if ([ -f $HOME/.pkg.conf ]) {
. $HOME/.pkg.conf
}
if ([ ! -d $PDIR ]) {
die "$PDIR not found!!"
}
check_deps () {
[ -r $PDIR/$1/.deps ] || return 0
DEPS=($(cat $PDIR/$1/.deps))
INSTALL=()
for dep in $DEPS; {
if ([ "$dep" = "$1" ]) {
warn "This package depends on itself. Therefore, I'm considering it borked. Not installing.\n"
return 100
}
if ([ ! -d $PDIR/$dep ]) {
echo -n "$1 depends on $dep. Install dependency? [Y/n] "
read
if ([ ! "$REPLY" = 'n' ]) {
INSTALL+="$dep"
}
}
}
if ([ -n "$INSTALL" ]) {
for pkg in $INSTALL; {
pkg_add "$pkg"
}
}
}
pkg_add () {
if ([ -d $PDIR/$1 ]) {
info "Package '$1' is already installed!\n"
return 100
}
cd $PDIR || return 255
info "Retrieving package $1...\n"
$VCS_CMD $VCS_OPTIONS $VCS_ADD $PKG_ROOT/$1 || return 255
if ([ -f $PDIR/$1/hooks/post-add ]) {
info 'Executing post-add hook\n'
. $PDIR/$1/hooks/post-add
}
check_deps "$1"
info 'Checking symlinks...\n'
cd $PDIR/$1
checklinks $CL_OPTIONS
return 0
}
pkg_remove () {
if ([ ! -d $PDIR/$1 ]) {
info "Package '$1' is not installed!\n"
return 100
}
if ([ -f $PDIR/$1/hooks/pre-remove ]) {
info 'Executing pre-remove hook\n'
. $PDIR/$1/hooks/pre-remove
}
rm -r $PDIR/$1
info "Package removed."
}
pkg_update () {
cd $PDIR/$1
info "Checking package $1..."
NEW=$($VCS_CMD $VCS_OPTIONS $VCS_INCOMING)
if ([ $? = 0 ]) {
info "\rUpdating package $1 to $(echo $NEW | tail -n 1)"
$VCS_CMD $VCS_OPTIONS $VCS_UPDATE $VCS_UPDATE_OPTIONS
info "\rUpdated package $1 to $(echo $NEW | tail -n 1) \n"
checklinks $CL_OPTIONS
if ([ -f hooks/post-update ]) {
info 'Executing post-update hook\n'
. hooks/post-update
}
} else {
info "\r \r"
}
cd $PDIR
}
pkg_update_wrapper () {
if ([ -n "$1" ]) {
pkg_update "$1"
} else {
cd $PDIR
for i in *(/); {
pkg_update "$i"
}
}
}
pkg_changesrc () {
cd $PDIR
for i in *(/); {
if ([ -f $i/.hg/hgrc ]) {
sed -i "s!default = [^:]*://.*\$!default = $1/$i!" $i/.hg/hgrc
}
}
}
pkg_list_installed () {
=ls -1 $PDIR
}
pkg_list_available () {
if (echo "$PKG_ROOT" | grep "^ssh" &> /dev/null) {
ssh -q $(echo "$PKG_ROOT" | sed 's!^ssh://!!' | sed -r 's!^([^/]*)/.*$!\1!') 'ls -1 packages'
}
}
pkg_status () {
cd $PDIR/$1
info "Checking $1 status..."
check_deps $1
STATUS=$($VCS_CMD $VCS_STATUS)
if ([ -n "$STATUS" ]) {
info "\rLocally modified in $1:\n"
echo "$STATUS"
} else {
info "\r \r"
}
}
pkg_status_wrapper () {
if ([ -n "$1" ]) {
pkg_status "$1"
} else {
cd $PDIR
for i in *(/); {
pkg_status "$i"
}
}
}
check_sed
case "$1" in
add) pkg_add "$2" ;;
changeroot) pkg_changesrc "$2" ;;
delete) pkg_remove "$2" ;;
install) pkg_add "$2" ;;
list) pkg_list_installed ;;
list-all) pkg_list_available ;;
remove) pkg_remove "$2" ;;
status) pkg_status_wrapper "$2" ;;
update) pkg_update_wrapper "$2" ;;
esac
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