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1 #!/nix/store/svx59425zxp552p2b8gm11qj5r09b56i-bash-5.3p15/bin/bash |
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2 # |
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3 # An example hook script to check the commit log message. |
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4 # Called by "git commit" with one argument, the name of the file |
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5 # that has the commit message. The hook should exit with non-zero |
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6 # status after issuing an appropriate message if it wants to stop the |
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7 # commit. The hook is allowed to edit the commit message file. |
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8 # |
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9 # To enable this hook, rename this file to "commit-msg". |
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10 |
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11 # Uncomment the below to add a Signed-off-by line to the message. |
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12 # Doing this in a hook is a bad idea in general, but the prepare-commit-msg |
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13 # hook is more suited to it. |
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14 # |
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15 # SOB=$(git var GIT_AUTHOR_IDENT | sed -n 's/^\(.*>\).*$/Signed-off-by: \1/p') |
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16 # grep -qs "^$SOB" "$1" || echo "$SOB" >> "$1" |
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17 |
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18 # This example catches duplicate Signed-off-by lines and messages that |
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19 # would confuse 'git am'. |
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20 |
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21 ret=0 |
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22 |
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23 test "" = "$(grep '^Signed-off-by: ' "$1" | |
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24 sort | uniq -c | sed -e '/^[ ]*1[ ]/d')" || { |
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25 echo >&2 Duplicate Signed-off-by lines. |
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26 ret=1 |
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27 } |
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28 |
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29 comment_re="$( |
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30 { |
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31 git config --get-regexp "^core\.comment(char|string)\$" || |
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32 echo '#' |
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33 } | sed -n -e ' |
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34 ${ |
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35 s/^[^ ]* // |
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36 s|[][*./\]|\\&|g |
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37 s/^auto$/[#;@!$%^&|:]/ |
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38 p |
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39 }' |
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40 )" |
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41 scissors_line="^${comment_re} -\{8,\} >8 -\{8,\}\$" |
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42 comment_line="^${comment_re}.*" |
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43 blank_line='^[ ]*$' |
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44 # Disallow lines starting with "diff -" or "Index: " in the body of the |
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45 # message. Stop looking if we see a scissors line. |
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46 line="$(sed -n -e " |
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47 # Skip comments and blank lines at the start of the file. |
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48 /${scissors_line}/q |
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49 /${comment_line}/d |
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50 /${blank_line}/d |
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51 # The first paragraph will become the subject header so |
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52 # does not need to be checked. |
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53 : subject |
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54 n |
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55 /${scissors_line}/q |
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56 /${blank_line}/!b subject |
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57 # Check the body of the message for problematic |
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58 # prefixes. |
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59 : body |
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60 n |
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61 /${scissors_line}/q |
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62 /${comment_line}/b body |
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63 /^diff -/{p;q;} |
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64 /^Index: /{p;q;} |
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65 b body |
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66 " "$1")" |
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67 if test -n "$line" |
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68 then |
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69 echo >&2 "Message contains a diff that will confuse 'git am'." |
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70 echo >&2 "To fix this indent the diff." |
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71 ret=1 |
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72 fi |
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73 |
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74 exit $ret |
