tesseract ocr
This commit is contained in:
My Spaghetti
+63
-21
@@ -2,15 +2,16 @@
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# Push-button installer of macOS on VirtualBox
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# (c) myspaghetti, licensed under GPL2.0 or higher
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# url: https://github.com/myspaghetti/macos-virtualbox
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# version 0.96.7
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# version 0.97.0
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# Dependencies: bash coreutils gzip unzip wget xxd dmg2img
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# Dependencies: bash coreutils gzip unzip wget xxd dmg2img
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# Optional features: tesseract-ocr tesseract-ocr-eng
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# Supported versions:
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# VirtualBox >= 6.1.6
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# GNU bash >= 4.3, GNU coreutils >= 8.22,
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# GNU gzip >= 1.5, GNU wget >= 1.14,
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# Info-ZIP unzip >= 6.0, xxd >= 1.11,
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# dmg2img >= 1.6.5
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# VirtualBox >= 6.1.6 dmg2img >= 1.6.5
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# GNU bash >= 4.3 GNU coreutils >= 8.22
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# GNU gzip >= 1.5 GNU wget >= 1.14
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# Info-ZIP unzip >= 6.0 xxd >= 1.11,
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# tesseract-ocr >= 4
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function set_variables() {
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# Customize the installation by setting these variables:
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@@ -153,6 +154,9 @@ if [[ -n "$(gcsplit --help 2>/dev/null)" ]]; then
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function tac() {
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gtac "$@"
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}
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function seq() {
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gseq "$@"
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}
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fi
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}
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@@ -194,7 +198,7 @@ if [[ -z "$(echo -n "xxd" | xxd -e -p 2>/dev/null)" ||
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fi
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# wget supports --show-progress from version 1.16
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regex='1\.1[6-9]|1\.[2-9][0-9]' # for zsh compatibility
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regex='1\.1[6-9]|1\.[2-9][0-9]' # for zsh regex compatibility
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if [[ "$(wget --version 2>/dev/null | head -n 1)" =~ ${regex} ]]; then
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wgetargs="--quiet --continue --show-progress --timeout=60" # pretty
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else
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@@ -386,7 +390,7 @@ fi
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VBoxManage controlvm "${vm_name}" poweroff 2>/dev/null
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echo -e "\nChecking that VirtualBox uses hardware-supported virtualization."
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vbox_log="$(VBoxManage showvminfo "${vm_name}" --log 0)"
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regex='.*Attempting fall back to NEM.*' # for zsh compatibility
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regex='.*Attempting fall back to NEM.*' # for zsh regex compatibility
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if [[ "${vbox_log}" =~ ${regex} ]]; then
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echo -e "\nVirtualbox is not using hardware-supported virtualization features."
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if [[ -n "$(cygcheck -V 2>/dev/null)" ||
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@@ -789,9 +793,7 @@ different CPU profiles in the section ${highlight_color}CPU profiles and CPUID s
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( VBoxManage startvm "${vm_name}" >/dev/null 2>&1 )
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echo -e "\nUntil the script completes, please do not manually interact with\nthe virtual machine."
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[[ -z "${kscd}" ]] && declare_scancode_dict
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prompt_lang_utils
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prompt_terminal_ready
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print_dimly "Please wait"
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prompt_lang_utils_terminal
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kbstring='/Volumes/bootinst-sh/bootinst.sh'
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send_keys
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send_enter
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@@ -927,8 +929,7 @@ if [[ -n $(
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echo "The VM will boot from the populated installer base system virtual disk."
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( VBoxManage startvm "${vm_name}" >/dev/null 2>&1 )
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[[ -z "${kscd}" ]] && declare_scancode_dict
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prompt_lang_utils
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prompt_terminal_ready
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prompt_lang_utils_terminal
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add_another_terminal
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echo -e "\nThe second open Terminal in the virtual machine copies EFI and NVRAM files"
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echo -e "to the target EFI system partition when the installer finishes preparing."
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@@ -1015,6 +1016,7 @@ The script downloads macOS High Sierra, Mojave, and Catalina from Apple servers
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and installs them on VirtualBox 5.2, 6.0, and 6.1. The script doesn't install
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any closed-source additions or bootloaders. A default install requires the user
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press enter when prompted, less than ten times, to complete the installation.
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Systems with the package ${low_contrast_color}tesseract-ocr${low_contrast_color} may automate the installation completely.
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${highlight_color}USAGE${default_color}
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${low_contrast_color}${0} [STAGE]... ${default_color}
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@@ -1481,23 +1483,63 @@ function send_enter() {
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send_special
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}
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function prompt_lang_utils() {
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# called after the virtual machine boots up
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function prompt_lang_utils_terminal() {
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tesseract_ocr="$(tesseract --version 2>/dev/null)"
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tesseract_lang="$(tesseract.exe --list-langs 2>/dev/null)"
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regex_ver='[Tt]esseract 4' # for zsh regex compatibility
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if [[ "${tesseract_ocr}" =~ ${regex_ver} && "${tesseract_lang}" =~ eng ]]; then
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echo -e "\n${low_contrast_color}Attempting automated recognition of virtual machine graphical user interface.${default_color}"
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animated_please_wait 30
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for i in $(seq 1 60); do # try automatic ocr for about 5 minutes
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VBoxManage controlvm "${vm_name}" screenshotpng "${vm_name}_screenshot.png" 2>&1 1>/dev/null
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ocr="$(tesseract "${vm_name}_screenshot.png" - -l eng 2>/dev/null)"
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if [[ "${ocr}" =~ English ]]; then
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sleep 10
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send_enter
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fi
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if [[ "${ocr}" =~ Utilities ]]; then
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sleep 10
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kbspecial='CTRLprs F2 CTRLrls u ENTER t ENTER' # start Terminal
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send_special
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fi
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if [[ "${ocr}" =~ Terminal\ Shell ]]; then
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sleep 2
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return
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fi
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echo -ne '\r \r'
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animated_please_wait 10
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done
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echo -e "\nFailed automated recognition of virtual machine graphical user interface.\nPlease press enter as directed."
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fi
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echo -ne "\n${highlight_color}Press enter when the Language window is ready.${default_color}"
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clear_input_buffer_then_read
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send_enter
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echo -ne "\n${highlight_color}Press enter when the macOS Utilities window is ready.${default_color}"
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clear_input_buffer_then_read
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kbspecial='CTRLprs F2 CTRLrls u ENTER t ENTER'
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kbspecial='CTRLprs F2 CTRLrls u ENTER t ENTER' # start Terminal
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send_special
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}
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function prompt_terminal_ready() {
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# called after the Utilities window is ready
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echo -ne "\n${highlight_color}Press enter when the Terminal command prompt is ready.${default_color}"
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clear_input_buffer_then_read
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}
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function animated_please_wait() {
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# "Please wait" prompt with animated dots.
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# Requires one positional parameter, an integer
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# The parameter specifies how many half-seconds to wait
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echo -ne "${low_contrast_color}Please wait${default_color}"
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specified_halfseconds="${1}"
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[[ "${specified_halfseconds}" =~ [^0-9]
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|| -z "${specified_halfseconds}" ]] && specified_halfseconds=2
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for halfsecond in $(seq 1 ${specified_halfseconds}); do
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echo -ne "${low_contrast_color}.${default_color}"
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sleep 0.5
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if [[ $(( halfsecond % 5 )) -eq 0 ]]; then
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echo -ne "\r \r${low_contrast_color}Please wait${default_color}"
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fi
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done
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}
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function add_another_terminal() {
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# at least one terminal has to be open before calling this function
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kbspecial='CMDprs n CMDrls'
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