Initial commit.

.gitattributes

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+# Auto detect text files and perform LF normalization
+* text=auto

LICENSE

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+Original work Copyright (c) 2013 Marco Azimonti
+Modified work Copyright (c) 2015 Matteo Maggioni
+Modified work Copyright (c) 2017 Oswell Chan
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

README.md

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+# Heroku Buildpack Tesseract
+
+This package provides a custom Heroku buildpack providing the [Tesseract OCR](https://github.com/tesseract-ocr/tesseract) binary and all the required libraries to Heroku apps. Training data for English language is provided.
+
+## Configuration
+
+
+1. add teh buildpack
+    ```
+    heroku buildpacks:add https://github.com/teketekepon/heroku-buildpack-tesseract
+    ```
+    or add by copy the URL in the Dashboard to add the buildpack.
+2. you can use the `tesseract` binary in your Heroku app!
+3. deploy :)
+
+## Note
+This fork uses the Tesseract version 5.3.1
+
+## License
+MIT License.
+
+Original work Copyright (c) 2013 Marco Azimonti
+Modified work Copyright (c) 2015 Matteo Maggioni
+Modified work Copyright (c) 2015 Oswell Chan
+Modified work Copyright (c) 2018 Malcolm Patterson
+Modified work Copyright (c) 2020 Takahiro Furukawa

bin/compile

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+#!/bin/bash
+BUILD_DIR=$1
+TESSERACT_OCR_VERSION=5.3.1
+TESSERACT_OCR_TGZ=tesseract-$TESSERACT_OCR_VERSION.tar.gz
+
+INSTALL_DIR=$BUILD_DIR/vendor/tesseract-ocr/
+TESSERACT_OCR_DIR=${HOME}/vendor/tesseract-ocr
+ENVSCRIPT=$BUILD_DIR/.profile.d/tesseract-ocr.sh
+
+echo "Unpacking Tesseract-OCR binaries"
+mkdir -p $INSTALL_DIR
+tar -zxvf $TESSERACT_OCR_TGZ -C $INSTALL_DIR
+
+echo "Building runtime environment for Tesseract-OCR"
+mkdir -p $BUILD_DIR/.profile.d
+echo "export PATH=\"$TESSERACT_OCR_DIR/bin:\$PATH\"" > $ENVSCRIPT
+echo "export LD_LIBRARY_PATH=\"$TESSERACT_OCR_DIR/lib:\$LD_LIBRARY_PATH\"" >> $ENVSCRIPT
+echo "export TESSDATA_PREFIX=\"$TESSERACT_OCR_DIR/share/tessdata\"" >> $ENVSCRIPT

bin/detect

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+#!/bin/sh
+echo "detect"

bin/release

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+#!/bin/sh
+echo "--- {}"