DRY some bash functions for future commits

Author: infinisil

scripts/common.sh

@@ -0,0 +1,24 @@
+set -euo pipefail
+
+log() {
+  echo "$@" >&2
+}
+
+trace() {
+  log "Running:" "${@@Q}"
+  "$@"
+}
+
+effect() {
+  log -en "\e[33m"
+  if [[ -z "${PROD:-}" ]]; then
+    log "Skipping effect:" "${@@Q}"
+    # If there's stdin, show it
+    if read -t 0 _; then
+      sed "s/^/[stdin] /" >&2
+    fi
+  else
+    trace "$@"
+  fi
+  log -en "\e[0m"
+}

scripts/retire.sh

@@ -1,29 +1,8 @@
 #!/usr/bin/env bash
-set -euo pipefail
-shopt -s nullglob
 
-log() {
-  echo "$@" >&2
-}
+source "$(dirname -- "${BASH_SOURCE[0]}")"/common.sh
 
-trace() {
-  log "Running:" "${@@Q}"
-  "$@"
-}
-
-effect() {
-  log -en "\e[33m"
-  if [[ -z "${PROD:-}" ]]; then
-    log "Skipping effect:" "${@@Q}"
-    # If there's stdin, show it
-    if read -t 0 _; then
-      sed "s/^/[stdin] /" >&2
-    fi
-  else
-    trace "$@"
-  fi
-  log -en "\e[0m"
-}
+shopt -s nullglob
 
 usage() {
   log "Usage: $0 ORG ACTIVITY_REPO MEMBER_REPO DIR NOTICE_CUTOFF CLOSE_CUTOFF"

scripts/sync.sh

@@ -1,8 +1,9 @@
 #!/usr/bin/env bash
-set -euo pipefail
+
+source "$(dirname -- "${BASH_SOURCE[0]}")"/common.sh
 
 usage() {
-  echo >&2 "Usage: $0 ORG TEAM DIR"
+  log "Usage: $0 ORG TEAM DIR"
   exit 1
 }