From cddf27b728fd46157685b3791245fed53393cb18 Mon Sep 17 00:00:00 2001
From: Nicolás Reynolds <fauno@kiwwwi.com.ar>
Date: Sat, 22 Sep 2012 18:38:29 -0300
Subject: Last commit before deprecation

Reason: Too complex, makepkg runs three times and removes packages previously installed
---
 clean-pacman | 39 +++++++++++++++++++++++++--------------
 1 file changed, 25 insertions(+), 14 deletions(-)

(limited to 'clean-pacman')

diff --git a/clean-pacman b/clean-pacman
index 9ef4a46..2bfa225 100755
--- a/clean-pacman
+++ b/clean-pacman
@@ -12,15 +12,24 @@
 # leftovers
 #
 # Use it as the PACMAN var for makepkg: `PACMAN=$0 makepkg`
+#
+# Notes
+# makepkg runs the following flags three times (depends, makedepends, checkdepends)
+# -T check deps (collect here)
+# -S install missing deps (remove leftovers here)
+# -T check if installed correctly (ignore)
+# -R remove installed deps (skip)
 
 set -e
 set -x
 
-cleanup_log=/tmp/libretools-cleanup.log
-cmd="$1"; shift
-# make -Rn respect PACMAN_OPTS
-flags=($(echo "$@" | grep -o "\-\-no\(confirm\|progressbar\)" || true))
-args="$@"
+makepid=$(ps --no-header -o pid -C makepkg | head -n1 | tr -d " ")
+cleanup_log=/tmp/libretools-cleanup-${makepid}.log
+checkdep=/tmp/libretools-dep-check-${makepid}
+
+cmd="$(echo "$@" | grep -o "\-\(T\|S\|R\|Q\)[^ ]*")"
+# remove all flags
+args="$(echo " $@" | sed "s/ \-[^ ]\+//g")"
 
 case $cmd in
 
@@ -28,36 +37,38 @@ case $cmd in
 # to get the full needed list.
 # See update-cleansystem
     -T)
-# Use sudo because $0 is run as normal user
+    if [ ! -f "${checkdep}" ]; then
+# Use sudo because $0 is run as normal user on -T
 # TODO -Sy only once
         sudo pacman -b "${BD:-/var/lib/libretools/clean}" -Sy >/dev/null 2>&1
         sudo pacman -b "${BD:-/var/lib/libretools/clean}" \
                     -Sp \
                     --print-format "%n" \
-                    ${args[@]} >>${cleanup_log} 2>/dev/null
-    ;;
+                    ${args[@]} >${cleanup_log} 2>/dev/null
+# Deps are collected, so skip next time
+        touch "${checkdep}"
 
 # Diff against previously installed packages and remove the unneeded ones
 #
 # We don't collect during -S because we never get here if depencies are met
 # during -T
-    -S)
         cleanup=($(comm -23 \
                         <(pacman -Qq | sort) \
                         <(cat /etc/libretools.d/cleansystem ${cleanup_log} | sort -u)
                 ))
 
         if [ ${#cleanup[@]} -gt 0 ]; then
-# At this point $0 is run as root
-            pacman -Rn ${flags[@]} ${cleanup[@]}
+            sudo pacman -Rn --noconfirm ${cleanup[@]} 1>&2
         fi
-
+# This is the second -T run
+    else
 # Remove the cleanup log at the end
-        rm ${cleanup_log}
+        rm "${cleanup_log}" "${checkdep}"
+    fi
     ;;
 # DON'T LET MAKEPKG DO REMOVALS OF ITS OWN
     -R) exit 0;;
 esac
 
 # Make makepkg dreams come true
-pacman $cmd ${args[@]}
+pacman $@
-- 
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