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1 #!/bin/sh
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2 #
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3 # An example hook script to verify what is about to be committed.
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4 # Called by git-commit with no arguments. The hook should
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5 # exit with non-zero status after issuing an appropriate message if
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6 # it wants to stop the commit.
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7 #
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8 # To enable this hook, rename this file to "pre-commit".
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9
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10 if git-rev-parse --verify HEAD >/dev/null 2>&1
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11 then
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12 against=HEAD
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13 else
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14 # Initial commit: diff against an empty tree object
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15 against=4b825dc642cb6eb9a060e54bf8d69288fbee4904
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16 fi
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17
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18 # If you want to allow non-ascii filenames set this variable to true.
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19 allownonascii=$(git config hooks.allownonascii)
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20
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21 # Cross platform projects tend to avoid non-ascii filenames; prevent
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22 # them from being added to the repository. We exploit the fact that the
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23 # printable range starts at the space character and ends with tilde.
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24 if [ "$allownonascii" != "true" ] &&
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25 # Note that the use of brackets around a tr range is ok here, (it's
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26 # even required, for portability to Solaris 10's /usr/bin/tr), since
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27 # the square bracket bytes happen to fall in the designated range.
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28 test "$(git diff --cached --name-only --diff-filter=A -z $against |
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29 LC_ALL=C tr -d '[ -~]\0')"
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30 then
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31 echo "Error: Attempt to add a non-ascii file name."
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32 echo
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33 echo "This can cause problems if you want to work"
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34 echo "with people on other platforms."
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35 echo
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36 echo "To be portable it is advisable to rename the file ..."
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37 echo
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38 echo "If you know what you are doing you can disable this"
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39 echo "check using:"
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40 echo
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41 echo " git config hooks.allownonascii true"
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42 echo
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43 exit 1
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44 fi
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45
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46 exec git diff-index --check --cached $against --
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