lib/intentions-queue: a start

1 files changed, 53 insertions, 0 deletions

diff --git a/lib/intentions-queue b/lib/intentions-queue
index 56742fa..6710eb5 100755
--- a/lib/intentions-queue
+++ b/lib/intentions-queue
@@ -26,3 +26,56 @@ fi
 # 3. update mysql database
 # 4. upload database to mirror
 # 5. update packages on mirror
+
+# intent_something
+# create an intention, provided on stdin
+# note, that this function is not thread-safe
+intent_something() {
+  local next_number
+  next_number=$((
+    $(
+      find "${intentions_directory}" \
+        -maxdepth 1 \
+        -type f \
+        -name 'intention.*' \
+        -printf '%f\n' \
+      | sed '
+        s/^intention\.//
+        t
+        d
+      ' \
+      | sort -nr \
+      | grep -xm1 '[0-9]\+' \
+      || echo 0
+    )+1
+  ))
+  {
+    printf '%s\n' \
+      '#!/bin/sh' \
+      'set -e'
+    cat
+    printf 'rm "%s"\n' "${intentions_directory}/intention.${next_number}"
+  } > "${intentions_directory}/intention.${next_number}"
+  chmod +x "${intentions_directory}/intention.${next_number}"
+}
+
+# execute_intention
+# executes the next intention
+execute_intention() {
+  local next_number
+  next_number=$(
+    find "${intentions_directory}" \
+      -maxdepth 1 \
+      -type f \
+      -name 'intention.*' \
+      -printf '%f\n' \
+    | sed '
+      s/^intention\.//
+      t
+      d
+    ' \
+    | sort -n \
+    | grep -xm1 '[0-9]\+'
+  ) || return 0
+  "${intentions_directory}/intention.${next_number}"
+}