From a50e9f62a28d334fd7291b80d06cfa1c93a81e4b Mon Sep 17 00:00:00 2001
From: Erich Eckner <git@eckner.net>
Date: Mon, 6 Nov 2017 09:54:59 +0100
Subject: bin/get-assignment, bin/return-assignment: hand out build orders to
 multiple slaves if requested to

---
 bin/get-assignment | 48 ++++++++++++++++++++++++------------------------
 1 file changed, 24 insertions(+), 24 deletions(-)

(limited to 'bin/get-assignment')

diff --git a/bin/get-assignment b/bin/get-assignment
index fb4e257..179487e 100755
--- a/bin/get-assignment
+++ b/bin/get-assignment
@@ -2,6 +2,7 @@
 
 # receive one package to be built from the build-list whose dependencies
 # are already satisfied or which breaks a dependency cycle
+# accepts a comma separated list of prefered packages as the first argument
 
 # exit code shows state of success:
 #  0: ok, I gave you an assignment
@@ -14,34 +15,30 @@
 # shellcheck source=conf/default.conf
 . "${0%/*}/../conf/default.conf"
 
-# TODO: hand out blocked packages if they are a prefered package
-
 mkdir -p "${work_dir}/package-states"
 
 hand_out_assignment() {
 
-  # locked and blocked packages won't be handed out
-  if package_locked_or_blocked "$1" "$2" "$3" "$4"; then
-    return 0
-  fi
-
   # we don't care anymore if an older version of this package was
-  # "locked" or "broken" (we keep only marker for older "done" packages)
-  find "${work_dir}/package-states" -maxdepth 1 | \
-    grep "/$(str_to_regex "${1}")\(\.[^.]\+\)\{3\}\.\(locked\|broken\)\$" | \
-    grep -v "/$(str_to_regex "$1.$2.$3.$4.")[^.]\+\$" | \
-    xargs -rn1 rm -f
-
-  {
-    grep -vxF "$1 $2 $3 $4" "${work_dir}/build-list" || \
-      true
-    printf '%s %s %s %s\n' "$1" "$2" "$3" "$4"
-  } | \
-    sponge "${work_dir}/build-list"
+  # "locked" or "broken"
+  find "${work_dir}/package-states" -maxdepth 1 -regextype grep \
+    -regex ".*/$(str_to_regex "$1")\(\.[^.]\+\)\{3\}\.\(locked\|broken\)" \
+    -not -regex ".*/$(str_to_regex "$1.$2.$3.$4.")[^.]\+" \
+    -delete
+
+  # move that build order to the end of the build-list
+  sed -i '
+    /^'"$(str_to_regex "$1 $2 $3 $4")"'$/ {
+      $ b
+      d
+    }
+    $ a '"$1 $2 $3 $4"'
+  ' "${work_dir}/build-list"
 
   echo "$1 $2 $3 $4"
   # shellcheck disable=SC2154
-  echo "${slave}" > "${work_dir}/package-states/$1.$2.$3.$4.locked"
+  echo "${slave}" >> \
+    "${work_dir}/package-states/$1.$2.$3.$4.locked"
 
   # lock every loop this package breaks
   find "${work_dir}/build-list.loops" -maxdepth 1 -regextype grep \
@@ -90,9 +87,12 @@ while read -r package git_revision mod_git_revision repository; do
   generate_package_metadata "${package}.${git_revision}.${mod_git_revision}.${repository}"
 
   if [ -f "${work_dir}/package-states/${package}.${git_revision}.${mod_git_revision}.${repository}.locked" ]; then
-    if [ "${slave}" = "$(head -n1 "${work_dir}/package-states/${package}.${git_revision}.${mod_git_revision}.${repository}.locked")" ]; then
-      echo "${package} ${git_revision} ${mod_git_revision} ${repository}"
-      exit
+    # has this slave already got or does he prefer this assignment?
+    # note, that the dependencies are met, because this package is already locked
+    if grep -qxF "${slave}" "${work_dir}/package-states/${package}.${git_revision}.${mod_git_revision}.${repository}.locked" || \
+      printf ',%s,' "$1" | \
+        grep -qF ",${package},"; then
+      hand_out_assignment "${package} ${git_revision} ${mod_git_revision} ${repository}"
     fi
   elif [ ! -f "${work_dir}/package-states/${package}.${git_revision}.${mod_git_revision}.${repository}.blocked" ]; then
     pending_packages=true
@@ -171,7 +171,7 @@ for iteration in 'prefered' 'fresh' 'loops' 'broken'; do
 
   while read -r package git_revision mod_git_revision repository; do
 
-    # package locked?
+    # package locked? (we have taken care of those in the previous loop)
     if [ -f "${work_dir}/package-states/${package}.${git_revision}.${mod_git_revision}.${repository}.locked" ]; then
       continue
     fi
-- 
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