1 files changed, 125 insertions, 0 deletions
diff --git a/pictures/import.sh b/pictures/import.sh
new file mode 100755
index 0000000..3ef850f
--- /dev/null
+++ b/pictures/import.sh
@@ -0,0 +1,125 @@
+#!/bin/bash
+
+set -Eeu -o pipefail
+
+# Imports photos from a given location(s) to PHOTO_DIR, organized by calendar
+# year and with a filename matching the date the photo/video was taken.
+#
+# The date is determined by the following, in order of precedence:
+#    1. exif data from the image/video
+#    2. regex matching for a date-like string inside the filename
+#    3. the modification time of the souce file
+
+DATE_FORMAT='%Y-%m-%d-%H%M%S'
+
+DRY_RUN=0
+
+usage() {
+  echo 'usage: import.sh -cp|-mv PHOTO_DIR PATH...' 1>&2
+  exit 1
+}
+
+if (( $# < 3 )); then
+  usage
+fi
+
+if [ "$1" == -cp ]; then
+  MOVE_COMMAND='cp --preserve=timestamps'; shift
+elif [ "$1" == -mv ]; then
+  MOVE_COMMAND=mv; shift
+else
+  usage
+fi
+
+PHOTO_DIR=$1; shift
+
+date_from_exif() {
+  local date=$(exiftool -ee -quiet -tab -dateformat "$DATE_FORMAT" -json -DateTimeOriginal "$1" | jq --raw-output '.[].DateTimeOriginal.val')
+
+  if [ "$date" == 'null' ]; then
+    date=$(exiftool -ee -quiet -tab -dateformat "$DATE_FORMAT" -json -MediaCreateDate "$1" | jq --raw-output '.[].MediaCreateDate.val')
+  fi
+
+  if [[ "$date" =~ 20[0-9]{2}-[0-1][0-9]-[0-3][0-9]-[0-2][0-9][0-5][0-9][0-5][0-9] ]]; then
+    echo "$date"
+  fi
+}
+
+date_from_filename() {
+  if [[ "$1" =~ (20[0-9]{2})[_-]([0-1][0-9])[_-]([0-3][0-9])[_-]([0-2][0-9])[_-]([0-5][0-9])[_-]([0-5][0-9]) ]]; then
+    echo "${BASH_REMATCH[1]}-${BASH_REMATCH[2]}-${BASH_REMATCH[3]}-${BASH_REMATCH[4]}${BASH_REMATCH[5]}${BASH_REMATCH[6]}"
+  elif [[ "$1" =~ (20[0-9]{2})[_-]([0-1][0-9])[_-]([0-3][0-9])[_-]([0-2][0-9][0-5][0-9][0-5][0-9]) ]]; then
+    echo "${BASH_REMATCH[1]}-${BASH_REMATCH[2]}-${BASH_REMATCH[3]}-${BASH_REMATCH[4]}"
+  elif [[ "$1" =~ (20[0-9]{2})([0-1][0-9])([0-9]{2})[_-]([0-2][0-9][0-5][0-9][0-5][0-9]) ]]; then
+    echo "${BASH_REMATCH[1]}-${BASH_REMATCH[2]}-${BASH_REMATCH[3]}-${BASH_REMATCH[4]}"
+  elif [[ "$1" =~ (20[0-9]{2})([0-1][0-9])([0-9]{2})([0-2][0-9][0-5][0-9][0-5][0-9]) ]]; then
+    echo "${BASH_REMATCH[1]}-${BASH_REMATCH[2]}-${BASH_REMATCH[3]}-${BASH_REMATCH[4]}"
+  elif [[ "$1" =~ (20[0-9]{2})[_-]([0-1][0-9])[_-]([0-3][0-9]) ]]; then
+    echo "${BASH_REMATCH[1]}-${BASH_REMATCH[2]}-${BASH_REMATCH[3]}-000000"
+  elif [[ "$1" =~ (20[0-9]{2})([0-1][0-9])([0-3][0-9]) ]]; then
+    echo "${BASH_REMATCH[1]}-${BASH_REMATCH[2]}-${BASH_REMATCH[3]}-000000"
+  fi
+}
+
+date_from_mtime() {
+  date -r "$1" "+$DATE_FORMAT"
+}
+
+# Generates a "safe" destination filename. If "foo.jpg" already exists, then this function
+# will return "foo_2.jpg" (or "foo_3.jpg" if "foo_2.jpg" exists...etc)
+safe_filename() {
+  if (( $# > 1 )); then
+    local src=$1 dst=$2
+
+    if [ -d "$dst" ]; then
+      dst="${dst}/$(basename "$src")"
+    fi
+  else
+    local dst=$1
+  fi
+
+  local ext=${dst##*.}
+  local odst=$dst
+  local i=2
+
+  while [ -f "$dst" ]; do
+    dst="${odst%.*}_${i}.${ext}"
+    ((i++))
+  done
+
+  echo "$dst"
+}
+
+safe_mv() {
+  local src=$1 dst=$2
+  dst=$(safe_filename "$src" "$dst")
+
+  if ((DRY_RUN)); then
+    echo "[dry-run] $MOVE_COMMAND $src -> $dst"
+  else
+    $MOVE_COMMAND --no-clobber --verbose "$src" "$dst"
+  fi
+}
+
+
+while IFS='' read -r -d '' file; do
+  date=$(date_from_exif "$file")
+
+  if [ -z "$date" ]; then
+    date=$(date_from_filename "$file")
+  fi
+
+  if [ -z "$date" ]; then
+    date=$(date_from_mtime "$file")
+  fi
+
+  year=${date:0:4}
+  ext=${file##*.}
+  ext=${ext,,}
+
+  target="${PHOTO_DIR}/${year}/${date}.${ext}"
+
+  mkdir -p "${PHOTO_DIR}/${year}"
+  safe_mv "$file" "$target"
+
+done < <(find "$@" -type f \( -iname '*.jpg' -o -iname '*.png' -o -iname '*.mp4' \) -print0)