44 lines
1.2 KiB
Bash
Executable File
44 lines
1.2 KiB
Bash
Executable File
#!/bin/sh
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echo "*** GET KERNEL BEGIN ***"
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SRC_DIR=$(pwd)
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# Grab everything after the '=' character.
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DOWNLOAD_URL=$(grep -i ^KERNEL_SOURCE_URL .config | cut -f2 -d'=')
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# Grab everything after the last '/' character.
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ARCHIVE_FILE=${DOWNLOAD_URL##*/}
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# Read the 'USE_LOCAL_SOURCE' property from '.config'
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USE_LOCAL_SOURCE="$(grep -i ^USE_LOCAL_SOURCE .config | cut -f2 -d'=')"
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if [ "$USE_LOCAL_SOURCE" = "true" -a ! -f $SRC_DIR/source/$ARCHIVE_FILE ] ; then
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echo "Source bundle $SRC_DIR/source/$ARCHIVE_FILE is missing and will be downloaded."
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USE_LOCAL_SOURCE="false"
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fi
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cd source
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if [ ! "$USE_LOCAL_SOURCE" = "true" ] ; then
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# Downloading kernel source bundle file. The '-c' option allows the download to resume.
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echo "Downloading kernel source bundle from $DOWNLOAD_URL"
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wget -c $DOWNLOAD_URL
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else
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echo "Using local kernel source bundle $SRC_DIR/source/$ARCHIVE_FILE"
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fi
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# Delete folder with previously extracted kernel.
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echo "Removing kernel work area. This may take a while..."
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rm -rf ../work/kernel
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mkdir ../work/kernel
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# Extract kernel to folder 'work/kernel'.
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# Full path will be something like 'work/kernel/linux-4.4.6'.
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tar -xvf $ARCHIVE_FILE -C ../work/kernel
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cd $SRC_DIR
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echo "*** GET KERNEL END ***"
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