diff options
Diffstat (limited to 'doc/tips/automatically_adding_metadata/pre-commit-annex')
-rwxr-xr-x | doc/tips/automatically_adding_metadata/pre-commit-annex | 116 |
1 files changed, 81 insertions, 35 deletions
diff --git a/doc/tips/automatically_adding_metadata/pre-commit-annex b/doc/tips/automatically_adding_metadata/pre-commit-annex index 873284d2c..61717c8a5 100755 --- a/doc/tips/automatically_adding_metadata/pre-commit-annex +++ b/doc/tips/automatically_adding_metadata/pre-commit-annex @@ -1,4 +1,20 @@ -#!/bin/sh +#! /bin/sh +# +# Copyright (C) 2014 Joey Hess <id@joeyh.name> +# Copyright (C) 2016 Klaus Ethgen <Klaus@Ethgen.ch> +# +# This program is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see <http://www.gnu.org/licenses/>. # # This script can be used to add git-annex metadata to files when they're # committed. It is typically installed as .git/hooks/pre-commit-annex @@ -6,67 +22,97 @@ # You can also run this script by hand, passing it the names of files # already checked into git-annex, and it will extract/refresh the git-annex # metadata from the files. -# -# Copyright 2014 Joey Hess <id@joeyh.name> -# License: GPL-3+ -extract="$(git config metadata.extract || true)" -want="$(perl -e 'print (join("|", map {s/_/ /g; "^$_ - "} (split " ", shift())))' "$extract")" +tool="$(git config metadata.tool || :)" +if [ -z "$tool" ]; then + tool=extract +fi +case "$tool" in + exiftool) + tool_exec="exiftool -unknown -zip -veryShort -ignoreMinorErrors -use MWG -dateFormat '%Y-%m-%dT%H:%M:%S'" + ;; + *) + tool_exec="$tool" + ;; +esac -if [ -z "$want" ]; then +extract_fields="$(git config metadata.extract || :)" +if [ -n "$extract_fields" ]; then + tools=extract + extract_want="^($(echo "$extract_fields" | sed -e 's/ /|/g' -e 's/_/ /g'))" +fi +exiftool_fields="$(git config metadata.exiftool || :)" +if [ -n "$exiftool_fields" ]; then + tools="exiftool $tools" + exiftool_want="^($(echo "$exiftool_fields" | sed -e 's/ /|/g' -e 's/_/ /g'))" +fi +if [ -z "$tools" ]; then exit 0 fi -case "$(git config --bool metadata.overwrite || true)" in +case "$(git config --bool metadata.overwrite || :)" in true) - overwrite=1 + equal="=" ;; *) - overwrite="" + equal="?=" ;; esac -addmeta () { - file="$1" - field="$2" - value="$3" - afield="$(echo "$field" | tr ' ' _)" - if [ "$overwrite" ]; then - p="$afield=$value" - - else - p="$afield?=$value" - fi - git -c annex.alwayscommit=false annex metadata "$file" -s "$p" --quiet -} - if git rev-parse --verify HEAD >/dev/null 2>&1; then - against=HEAD + against="HEAD" else # Initial commit: diff against an empty tree object - against=4b825dc642cb6eb9a060e54bf8d69288fbee4904 + against="4b825dc642cb6eb9a060e54bf8d69288fbee4904" fi -IFS=" -" +addmeta() { + file="$1" + field="$2" + value="$3" + afield="$(echo "$field" | tr ' ' '_' | tr 'A-Z' 'a-z')" + git -c annex.alwayscommit=false annex metadata \ + --set "$afield$equal$value" --quiet -- "$file" +} -process () { +process() { if [ -e "$f" ]; then echo "adding metadata for $f" - for l in $(extract "$f" | egrep "$want"); do - field="${l%% - *}" - value="${l#* - }" - addmeta "$f" "$field" "$value" + for tool in $tools; do + case "$tool" in + exiftool) + tool_exec="exiftool -unknown -zip -veryShort -ignoreMinorErrors -use MWG -dateFormat '%Y-%m-%dT%H:%M:%S'" + ;; + *) + tool_exec="$tool" + ;; + esac + LC_ALL=C $tool_exec "./$f" | eval egrep --text -i \""\$${tool}_want"\" | while read line; do + case "$tool" in + extract) + field="${line%% - *}" + value="${line#* - }" + ;; + exiftool) + field="${line%%: *}" + value="${line#*: }" + ;; + esac + + if [ -n "$value" ]; then + addmeta "$f" "$field" "$value" + fi + done done fi } if [ -n "$*" ]; then - for f in $@; do + for f in "$@"; do process "$f" done else - for f in $(git diff-index --name-only --cached $against); do + for f in "$(git diff-index --name-only --cached $against)"; do process "$f" done fi |