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1
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#!/bin/bash -e
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2
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. "$(dirname "${BASH_SOURCE[0]}")"/util.sh
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3
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4
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if self_not_included; then
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5
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6
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### zip
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7
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8
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zip()
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9
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{
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10
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echo_func
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11
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cmd_log_fd=1 try self "$@" || ignore 12 #"zip has nothing to do" (`man zip`)
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12
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}
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13
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14
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unzip()
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15
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{
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16
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echo_func
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17
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local piping="$(test "$1" = -p; exit2bool)"
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18
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19
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cmd_log_fd="$(if test ! "$piping"; then echo 1; fi)" try self "$@"
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20
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# cmd_log_fd: don't filter stdout if piping extracted data to it
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21
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if test "$piping"; then ignore_e 1; fi # unzip exits 1 on SIGPIPE
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22
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end_try
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23
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}
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24
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25
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zip_newer() { echo_func; set_inv force; zip ${no_force:+-u }"$@"; }
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26
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unzip_newer() { echo_func; set_inv force; unzip ${no_force:+-u }-o "$@"; }
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27
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# -o is safe because -u only extracts newer files
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28
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29
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30
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### compression of individual files
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31
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32
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compress()
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33
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{
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34
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begin_target; : "${full_file:?}"; local zip_file="$full_file.zip"
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35
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(cd "$(dirname "$full_file")" full_file zip_file
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36
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zip_newer -9 "$zip_file" "$full_file")
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37
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unzip -t "$zip_file" # only if newly created
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38
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}
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39
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40
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expand()
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41
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{
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42
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begin_target; : "${full_file:?}"; local zip_file="$full_file.zip"
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43
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stdout="$full_file" to_file unzip <"$zip_file"
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44
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}
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45
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46
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fi
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