From ce820e4c454ba94876ccd62e74d27cf24089e27d Mon Sep 17 00:00:00 2001
From: Erich Eckner <git@eckner.net>
Date: Mon, 29 Jan 2018 16:21:55 +0100
Subject: bin/get-assignment: hand out old assignments from mysql database;
 prepare handing out all assignments from database

---
 bin/get-assignment | 113 ++++++++++++++++++++++++++++++++---------------------
 1 file changed, 69 insertions(+), 44 deletions(-)

(limited to 'bin/get-assignment')

diff --git a/bin/get-assignment b/bin/get-assignment
index fc38a16..f4ed82a 100755
--- a/bin/get-assignment
+++ b/bin/get-assignment
@@ -111,53 +111,78 @@ clean_up() {
 tmp_dir=$(mktemp -d 'tmp.get-assignment.XXXXXXXXXX' --tmpdir)
 trap clean_up EXIT
 
-# TODO: binary package $x it is not a yet-to-be-built dependency of
-# package $y if $x and $y are built by the same build_assignment!
+# if we're building something already, hand it out (again)
+currently_building=$(
+  # shellcheck disable=SC2016
+  {
+    printf 'SELECT'
+    printf ' `package_sources`.`%s`,' \
+      'pkgbase' \
+      'git_revision' \
+      'mod_git_revision'
+    printf '`upstream_repositories`.`name`'
+    printf ' FROM `build_slaves`'
+    printf ' JOIN `%s` ON `%s`.`id`=`%s`.`%s`' \
+      'build_assignments' 'build_assignments' 'build_slaves' 'currently_building' \
+      'package_sources' 'package_sources' 'build_assignments' 'package_source' \
+      'upstream_repositories' 'upstream_repositories' 'package_sources' 'upstream_package_repository'
+    printf ' WHERE `build_slaves`.`name`=from_base64("%s")' \
+      "$(printf '%s' "${slave}" | base64 -w0)"
+    printf ' LIMIT 1;\n'
+  } | \
+    ${mysql_command} --batch --raw | \
+    sed '1d'
+)
+
+if [ -n "${currently_building}" ]; then
+  # shellcheck disable=SC2086
+  hand_out_assignment ${currently_building}
+fi
 
-# shellcheck disable=SC2016
-{
-  printf 'SELECT'
-  printf ' COALESCE('
+# packages with all dependencies met, ordered by number of failed trials
+next_building=$(
+  # shellcheck disable=SC2016
+  {
+    printf 'SELECT'
     printf '('
-      printf 'SELECT'
-      printf ' `build_slaves`.`currently_building`'
+      printf 'SELECT COUNT(*)'
+      printf ' FROM `failed_builds`'
+      printf ' WHERE `failed_builds`.`build_assignment`=`build_assignments`.`id`'
+    printf ') AS `trials`,'
+    printf '`package_sources`.`%s`,' \
+      'pkgbase' \
+      'git_revision' \
+      'mod_git_revision'
+    printf '`upstream_repositories`.`name`'
+    printf ' FROM `binary_packages`'
+    printf ' JOIN `%s` ON `%s`.`id`=`%s`.`%s`' \
+      'build_assignments' 'build_assignments' 'binary_packages' 'build_assignment' \
+      'package_sources' 'package_sources' 'build_assignments' 'package_source' \
+      'upstream_repositories' 'upstream_repositories' 'package_sources' 'upstream_package_repository' \
+      'repositories' 'repositories' 'binary_packages' 'repository'
+    printf ' WHERE `repositories`.`name`="build-list"'
+    printf ' AND NOT EXISTS ('
+      printf ' SELECT *'
       printf ' FROM `build_slaves`'
-      printf ' JOIN `build_assignments`'
-      printf ' ON `build_slaves`.`currently_building`=`build_assignments`.`id`'
-      printf ' WHERE `build_slaves`.`name`=from_base64("%s")' \
-        "$(printf '%s' "${slave}" | base64 -w0)"
-    printf '),('
-      printf 'SELECT `to_dos`.`id` FROM'
-      printf '('
-        printf 'SELECT'
-        printf ' `build_assignments`.`id`,'
-        printf '('
-          printf 'SELECT COUNT(*)'
-          printf ' FROM `failed_builds`'
-          printf ' WHERE `failed_builds`.`build_assignment`=`build_assignments`.`id`'
-        printf ') AS `trials`'
-        printf ' FROM `build_assignments`'
-        printf ' JOIN `binary_packages`'
-        printf ' ON `binary_packages`.`build_assignment`=`build_assignments`.`id`'
-        printf ' JOIN `repositories`'
-        printf ' ON `binary_packages`.`repository`=`repositories`.`id`'
-        printf ' WHERE `repositories`.`name`="build-list"'
-        printf ' AND NOT EXISTS ('
-          printf ' SELECT *'
-          printf ' FROM `build_slaves`'
-          printf ' WHERE `build_slaves`.`currently_building`=`build_assignments`.`id`'
-        printf ' )'
-        printf ' ORDER BY `trials`, `build_assignments`.`id`'
-        printf ' LIMIT 1'
-      printf ') AS `to_dos`'
-    printf ')'
-  printf ')'
-} | \
-  ${mysql_command} --batch --raw | \
-  sed '
-    1d
-    y/\t/ /
-  ' >&2
+      printf ' WHERE `build_slaves`.`currently_building`=`build_assignments`.`id`'
+      printf ' AND `build_assignments`.`is_blocked` IS NULL'
+# TODO: and is element of loop or not exists unbuilt dependency
+    printf ' )'
+    printf ' ORDER BY `trials`, `build_assignments`.`id`'
+    printf ' LIMIT 1;\n'
+  } | \
+    ${mysql_command} --batch --raw | \
+    sed '
+      1d
+      y/\t/ /
+      s/^\S\+ //
+    '
+)
+# not ready yet!
+if [ -n "${next_building}" ]; then
+  # shellcheck disable=SC2086
+  echo hand_out_assignment ${next_building} >&2
+fi
 
 # Check if there are any pending packages at all and if the requester
 # has already got an assignment.
-- 
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