From ec1bac6428c274401c4d54e916024a0ace3cce17 Mon Sep 17 00:00:00 2001
From: Erich Eckner <git@eckner.net>
Date: Mon, 11 Jun 2018 10:37:07 +0200
Subject: bin/interpret-mail can now prioritize build assignments

---
 bin/prioritize-build-list | 93 ++++++++++++++++++++++++++++++++++++++---------
 1 file changed, 76 insertions(+), 17 deletions(-)

(limited to 'bin/prioritize-build-list')

diff --git a/bin/prioritize-build-list b/bin/prioritize-build-list
index bbeb288..26197e4 100755
--- a/bin/prioritize-build-list
+++ b/bin/prioritize-build-list
@@ -5,26 +5,74 @@
 # shellcheck source=../lib/load-configuration
 . "${0%/*}/../lib/load-configuration"
 
+usage() {
+  >&2 echo ''
+  >&2 echo 'Usage: prioritize-build-list [options] pkg-regex-file'
+  >&2 echo '  moves packages matching any pkg-regex in pkg-regex-file'
+  >&2 echo '  to front of build list'
+  >&2 echo ''
+  >&2 echo 'possible options:'
+  >&2 echo '  -h|--help:'
+  >&2 echo '    Show this help and exit.'
+  >&2 echo '  -w|--wait:'
+  >&2 echo '    Wait for lock if necessary.'
+  [ -z "$1" ] && exit 1 || exit "$1"
+}
+
+eval set -- "$(
+  getopt -o hw \
+    --long help \
+    --long wait \
+    -n "$(basename "$0")" -- "$@" || \
+    echo usage
+  )"
+
+wait_for_lock='-n'
+
+while true
+do
+  case "$1" in
+    -h|--help)
+      usage 0
+    ;;
+    -w|--wait)
+      wait_for_lock=''
+    ;;
+    --)
+      shift
+      break
+    ;;
+    *)
+      >&2 echo 'Whoops, forgot to implement option "'"$1"'" internally.'
+      exit 42
+    ;;
+  esac
+  shift
+done
+
 if [ $# -ne 1 ]; then
-  echo 'Usage: prioritize-build-list pkg-regex'
-  echo ' moves packages matching pkg-regex to front of build list'
-  exit 2
+  >&2 echo 'No package-regex-list was given.'
+  usage
 fi
 
-# Create a lock file for build list.
-
-exec 9> "${build_list_lock_file}"
-if ! verbose_flock -n 9; then
-  >&2 echo 'come back (shortly) later - I cannot lock build list.'
-  exit 1
+if [ ! -r "$1" ]; then
+  >&2 printf 'Package-list "%s" is not readable.\n' "$1"
+  usage
 fi
 
-exec 8> "${sanity_check_lock_file}"
-if ! verbose_flock -s -n 8; then
-  >&2 echo 'come back (shortly) later - sanity-check running.'
-  exit 1
+if [ ! -s "$1" ]; then
+  >&2 echo 'Empty regex file - nothing to do here.'
+  exit
 fi
 
+# Create a lock file for build list.
+
+exec 9> "${sanity_check_lock_file}"
+verbose_flock -s ${wait_for_lock} 9
+
+exec 8> "${build_list_lock_file}"
+verbose_flock ${wait_for_lock} 8
+
 # shellcheck disable=SC2016
 {
   printf 'UPDATE `build_assignments`'
@@ -39,11 +87,22 @@ fi
       printf ' FROM `build_assignments` AS `others`'
     printf ') AS `all_priorities`'
   printf ')'
-  printf ' WHERE `package_sources`.`pkgbase` REGEXP from_base64("%s")' \
-    "$(printf '%s' "$1" | base64 -w0)"
-  printf ' AND `repositories`.`name`="build-list";\n'
+  printf ' WHERE ('
+  base64_encode_each < "$1" | \
+    sed '
+      s/^/`package_sources`.`pkgbase` REGEXP from_base64("/
+      s/$/") OR /
+      $ s/ OR $//
+    '
+  printf ') AND `repositories`.`name`="build-list";\n'
+  printf 'SELECT row_count();\n'
 } | \
-  mysql_run_query
+  mysql_run_query | \
+  if [ -w "$1" ]; then
+    cat > "$1"
+  else
+    cat >&2
+  fi
 
 # Remove the lock file
 
-- 
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