From 787ef61e1997deeda97e055f7f0fe27a1b7ab2b5 Mon Sep 17 00:00:00 2001
From: Nicolas Reynolds <fauno@kiwwwi.com.ar>
Date: Sun, 22 Jan 2012 22:53:26 -0300
Subject: Create a work dir and build in order

---
 treepkg | 51 ++++++++++++++++++++++++++++++++++++++++++++-------
 1 file changed, 44 insertions(+), 7 deletions(-)

diff --git a/treepkg b/treepkg
index 4ad02fc..622b979 100755
--- a/treepkg
+++ b/treepkg
@@ -69,11 +69,15 @@ done
 pkgbase="${pkgbase:-${pkgname[0]}}"
 fullver=$(get_fullver ${epoch:-0} ${pkgver} ${pkgrel})
 
-# Get or set the build order cache (canonical)
-BUILDORDER="$(readlink -f "${1:-$(mktemp /tmp/${pkgbase}.buildorder.XXXX)}")"
+# Get or set the work dir
+BUILDDIR="${1:-$(mktemp -d /tmp/${pkgbase}-treepkg-XXXx)}"
+BUILDORDER="${BUILDDIR}/BUILDORDER"
 DEPTH=${2:-0}
 NEXTDEPTH=$((${DEPTH} + 1))
-VERBOSE=true
+# This can be set as env vars (ie: $ V=false B=false treepkg)
+# TODO Turn into flags?
+VERBOSE=${V:-true}
+BUILD=${B:-true}
 
 # ensure it exists
 touch "${BUILDORDER}"
@@ -90,6 +94,10 @@ egrep -q ";${pkgbase};" "${BUILDORDER}" && exit 0
 # Add pkgbase to build order
 add_order "build"
 
+# Copy the directory to the build dir
+# TODO run makepkg --source to avoid moving garbage around?
+cp -r "${PWD}" "${BUILDDIR}/$(printf "%03d" ${DEPTH})_${pkgbase}"
+
 # Cleanup dep versioning
 deps=($(echo "${depends[@]} ${makedepends[@]}" | \
        sed "s/[=<>]\+[^ ]\+//g" | \
@@ -99,12 +107,18 @@ deps=($(echo "${depends[@]} ${makedepends[@]}" | \
 # NOTE: getting depends from package() is a PITA
 for _dep in ${deps[@]}; do
 # Ignore if already in build order
+# TODO move deps deeper in the tree if
+# pkgbase - dep1
+#         \ dep2 - dep1
+# dep1 should be depth + 1
   egrep -q ";${_dep};" "${BUILDORDER}" && continue
 
+# Ask toru where's a PKGBUILD
   depdir="$(where_is ${_dep})"
 
   if [ -z "${depdir}" -o ! -d "${depdir}" ]; then
 # We specify the pkgname because we can't source the dep PKGBUILD
+# Normally 'any' packages are missing from our work ABS
     add_order "missing" "${_dep}"
     continue
   fi
@@ -112,14 +126,37 @@ for _dep in ${deps[@]}; do
   pushd "${depdir}" >/dev/null
 
 # Run itself over dependencies
-  $0 "${BUILDORDER}" ${NEXTDEPTH}
+  $0 "${BUILDDIR}" ${NEXTDEPTH}
 
 done
 
-# Only print build order at the end
+# Only build at the end
 if [ ${DEPTH} -eq 0 ]; then
-  ${VERBOSE} && msg "Build tree stored in ${BUILDORDER}" || true
-  ${VERBOSE} || echo "${BUILDORDER}" || true
+
+# TODO fill this var with a flag
+  if ${BUILD}; then
+    ${VERBOSE} && msg "Build tree stored in ${BUILDORDER}" || true
+
+# Build everything sorting the build dir
+# The reverse order ensures we start by the deepest packages
+    ${VERBOSE} && msg "Starting build" || true
+    for _pkg in $(ls -r "${BUILDDIR}"); do
+# Ignore if there's no PKGBUILD
+      if [ ! -f "${BUILDDIR}/${_pkg}/PKGBUILD" ]; then continue; fi
+
+      ${VERBOSE} && msg "Building ${_pkg/_/ }" || true
+
+# Run build command
+      pushd "${BUILDDIR}/${_pkg}" >/dev/null
+        ${FULLBUILDCMD}
+      popd >/dev/null
+    done
+
+  else
+# Just print the working dir
+    ${VERBOSE} || echo "${BUILDORDER}" || true
+  fi
+
 fi
 
 exit $?
-- 
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