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cb531b5034
The situation of the mount point being unmounted after an unsuccessful detach attempt leads to an unrecoverable situation. Instead of optimistically continuing, the script has to fail.
87 lines
1.9 KiB
Plaintext
87 lines
1.9 KiB
Plaintext
autoload -Uz log_debug log_error log_info log_status log_group log_output log_warning
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local -r _usage="Usage: %B${0}%b <source> <volume name> <output_name>
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Create macOS disk image <volume name> <output_name> with contents of <source>"
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if (( ! # )) {
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log_error 'Called without arguments.'
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log_output ${_usage}
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return 2
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}
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local source=${1}
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local volume_name=${2}
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local output_name=${3}
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log_group "Create macOS disk image"
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local _hdiutil_flags
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if (( _loglevel < 1 )) _hdiutil_flags='-quiet'
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trap "safe_hdiutil detach ${_hdiutil_flags} /Volumes/${output_name}; rm temp.dmg; log_group; return 2" ERR
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safe_hdiutil() {
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local _status=0
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local -r -a _backoff=(2 5 10 15 30)
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for i ({1..5}) {
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hdiutil ${@} && _status=0 || _status=1
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if (( _status )) {
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log_warning "Unable to run 'hdiutil ${@}' (attempt #${i}). Retrying."
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sleep ${_backoff[${i}]}
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} else {
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break
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}
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}
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if (( _status )) {
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log_error "Unable to run 'hdiutil ${@}'. Aborting"
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log_group
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return 2
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}
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}
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safe_hdiutil create ${_hdiutil_flags} \
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-volname "${volume_name}" \
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-srcfolder ${source} \
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-ov \
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-fs APFS \
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-format UDRW \
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temp.dmg
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safe_hdiutil attach ${_hdiutil_flags} \
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-noverify \
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-readwrite \
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-mountpoint /Volumes/${output_name} \
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temp.dmg
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log_info "Waiting 2 seconds to ensure mounted volume is available..."
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sleep 2
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log_status "Done"
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log_info "Setting up disk volume..."
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log_status "Volume icon"
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SetFile -c icnC /Volumes/${output_name}/.VolumeIcon.icns
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log_status "Icon positions"
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osascript package.applescript ${output_name}
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log_status "File permissions"
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chmod -Rf go-w /Volumes/${output_name}
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SetFile -a C /Volumes/${output_name}
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rm -rf -- /Volumes/${output_name}/.fseventsd(N)
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log_info "Converting disk image..."
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safe_hdiutil detach ${_hdiutil_flags} /Volumes/${output_name}
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safe_hdiutil convert ${_hdiutil_flags} \
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-format ULMO \
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-ov \
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-o ${output_name}.dmg temp.dmg
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rm temp.dmg
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trap '' ERR
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log_group
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return 0
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