From b426ea2edda85fd4e821e106f859eb8d3688bf18 Mon Sep 17 00:00:00 2001
From: Erich Eckner <git@eckner.net>
Date: Wed, 31 Jul 2019 11:39:28 +0200
Subject: bin/nit-picker: allow to run a single check

---
 bin/nit-picker | 98 ++++++++++++++++++++++++++++++++--------------------------
 1 file changed, 55 insertions(+), 43 deletions(-)

(limited to 'bin')

diff --git a/bin/nit-picker b/bin/nit-picker
index 70adcdd..f7c59f5 100755
--- a/bin/nit-picker
+++ b/bin/nit-picker
@@ -14,18 +14,19 @@
 # - check for differences of dependencies between mysql and packages
 # - check for installability of packages
 
-if [ $# -eq 1 ] && [ "x$1" = 'x-n' ]; then
+if [ $# -ge 1 ] && [ "x$1" = 'x-n' ]; then
   >&2 echo 'not joining irc'
   irc=false
   shift
 else
   irc=true
-fi
-
-if [ $# -ne 0 ]; then
-  >&2 echo 'usage: nit-picker [-n]'
-  >&2 echo '  -n: do not join irc'
-  exit 1
+  # shellcheck disable=SC2016
+  if [ $# -ne 0 ]; then
+    >&2 echo 'usage: nit-picker [-n [$single_test]]'
+    >&2 echo '  -n: do not join irc'
+    >&2 echo '  $single_test: only execute the given test'
+    exit 1
+  fi
 fi
 
 clean_up() {
@@ -82,41 +83,45 @@ mysql_load_min_and_max_versions
 
 while pgrep -x ii >/dev/null \
 || ! ${irc}; do
-  # shellcheck disable=SC2016
-  {
-    printf 'SELECT DISTINCT'
-    printf ' "commit",'
-    printf '`git_repositories`.`name`,'
-    printf '`git_repositories`.`head`,'
-    printf '`package_sources`.`git_revision`'
-    printf ' FROM `package_sources`'
-    mysql_join_package_sources_upstream_repositories
-    mysql_join_upstream_repositories_git_repositories
-    printf ';\n'
-
-    printf 'SELECT DISTINCT'
-    printf ' "commit",'
-    printf '"archlinux32",'
-    # shellcheck disable=SC2154
-    printf '"%s",' \
-      "${repo_heads__archlinux32}"
-    printf '`package_sources`.`mod_git_revision`'
-    printf ' FROM `package_sources`'
-    printf ';\n'
-
-    printf 'SELECT DISTINCT'
-    printf ' "binary-dependencies",'
-    mysql_package_name_query
-    printf ' FROM `binary_packages`'
-    mysql_join_binary_packages_architectures
-    mysql_join_binary_packages_binary_packages_in_repositories
-    mysql_join_binary_packages_in_repositories_repositories
-    printf ' WHERE `repositories`.`is_on_master_mirror`'
-    printf ';\n'
-  } | \
-    mysql_run_query | \
-    tr '\t' ' ' | \
-    shuf | \
+  if [ $# -eq 0 ]; then
+    # shellcheck disable=SC2016
+    {
+      printf 'SELECT DISTINCT'
+      printf ' "commit",'
+      printf '`git_repositories`.`name`,'
+      printf '`git_repositories`.`head`,'
+      printf '`package_sources`.`git_revision`'
+      printf ' FROM `package_sources`'
+      mysql_join_package_sources_upstream_repositories
+      mysql_join_upstream_repositories_git_repositories
+      printf ';\n'
+
+      printf 'SELECT DISTINCT'
+      printf ' "commit",'
+      printf '"archlinux32",'
+      # shellcheck disable=SC2154
+      printf '"%s",' \
+        "${repo_heads__archlinux32}"
+      printf '`package_sources`.`mod_git_revision`'
+      printf ' FROM `package_sources`'
+      printf ';\n'
+
+      printf 'SELECT DISTINCT'
+      printf ' "binary-dependencies",'
+      mysql_package_name_query
+      printf ' FROM `binary_packages`'
+      mysql_join_binary_packages_architectures
+      mysql_join_binary_packages_binary_packages_in_repositories
+      mysql_join_binary_packages_in_repositories_repositories
+      printf ' WHERE `repositories`.`is_on_master_mirror`'
+      printf ';\n'
+    } | \
+      mysql_run_query | \
+      tr '\t' ' ' | \
+      shuf
+  else
+    printf '%s\n' "$*"
+  fi | \
     while read -r action parameters; do
       if ${irc} && ! pgrep -x ii >/dev/null; then
         break
@@ -127,6 +132,7 @@ while pgrep -x ii >/dev/null \
           git_rev="${parameters#${git_repo} }"
           git_head="${git_rev%% *}"
           git_rev="${git_rev#${git_head} }"
+          # shellcheck disable=SC2016
           eval "$(
             printf 'git_dir="${repo_paths__%s}"\n' \
               "${git_repo}"
@@ -171,6 +177,7 @@ while pgrep -x ii >/dev/null \
           extract_dependencies_from_package \
             "${tmp_dir}/${parameters}" \
           > "${tmp_dir}/pkg-deps"
+          # shellcheck disable=SC2016
           {
             printf 'SELECT'
             printf ' `dependency_types`.`name`,'
@@ -202,7 +209,9 @@ while pgrep -x ii >/dev/null \
             if ! ${irc}; then
               diff -u --color "${tmp_dir}/db-deps" "${tmp_dir}/pkg-deps" || true
             fi
-            sleep 60
+            if [ $# -eq 0 ]; then
+              sleep 60
+            fi
           fi
           rm \
             "${tmp_dir}/${parameters}" \
@@ -214,5 +223,8 @@ while pgrep -x ii >/dev/null \
         ;;
       esac
     done
+  if [ $# -ge 1 ]; then
+    break
+  fi
   sleep 120
 done
-- 
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