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355
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1 #!/bin/sh
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2 #
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3 # An example hook script to mail out commit update information.
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4 # It also blocks tags that aren't annotated.
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5 # Called by git-receive-pack with arguments: refname sha1-old sha1-new
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6 #
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7 # To enable this hook:
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8 # (1) change the recipient e-mail address
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9 # (2) make this file executable by "chmod +x update".
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10 #
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11
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12 project=$(cat $GIT_DIR/description)
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13 recipients="commit-list@somewhere.com commit-list@somewhereelse.com"
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14
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15 ref_type=$(git cat-file -t "$3")
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16
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17 # Only allow annotated tags in a shared repo
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18 # Remove this code to treat dumb tags the same as everything else
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19 case "$1","$ref_type" in
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20 refs/tags/*,commit)
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21 echo "*** Un-annotated tags are not allowed in this repo" >&2
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22 echo "*** Use 'git tag [ -a | -s ]' for tags you want to propagate."
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23 exit 1;;
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24 refs/tags/*,tag)
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25 echo "### Pushing version '${1##refs/tags/}' to the masses" >&2
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26 # recipients="release-announce@somwehere.com announce@somewhereelse.com"
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27 ;;
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28 esac
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29
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30 # set this to 'cat' to get a very detailed listing.
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31 # short only kicks in when an annotated tag is added
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32 short='git shortlog'
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33
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34 # see 'date --help' for info on how to write this
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35 # The default is a human-readable iso8601-like format with minute
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36 # precision ('2006-01-25 15:58 +0100' for example)
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37 date_format="%F %R %z"
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38
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39 (if expr "$2" : '0*$' >/dev/null
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40 then
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41 # new ref
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42 case "$1" in
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43 refs/tags/*)
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44 # a pushed and annotated tag (usually) means a new version
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45 tag="${1##refs/tags/}"
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46 if [ "$ref_type" = tag ]; then
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47 eval $(git cat-file tag $3 | \
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48 sed -n '4s/tagger \([^>]*>\)[^0-9]*\([0-9]*\).*/tagger="\1" ts="\2"/p')
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49 date=$(date --date="1970-01-01 00:00:00 $ts seconds" +"$date_format")
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50 echo "Tag '$tag' created by $tagger at $date"
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51 git cat-file tag $3 | sed -n '5,$p'
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52 echo
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53 fi
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54 prev=$(git describe "$3^" | sed 's/-g.*//')
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55 # the first tag in a repo will yield no $prev
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56 if [ -z "$prev" ]; then
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57 echo "Changes since the dawn of time:"
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58 git rev-list --pretty $3 | $short
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59 else
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60 echo "Changes since $prev:"
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61 git rev-list --pretty $prev..$3 | $short
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62 echo ---
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63 git diff $prev..$3 | diffstat -p1
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64 echo ---
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65 fi
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66 ;;
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67
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68 refs/heads/*)
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69 branch="${1##refs/heads/}"
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70 echo "New branch '$branch' available with the following commits:"
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71 git-rev-list --pretty "$3" $(git-rev-parse --not --all)
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72 ;;
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73 esac
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74 else
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75 base=$(git-merge-base "$2" "$3")
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76 case "$base" in
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77 "$2")
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78 git diff "$3" "^$base" | diffstat -p1
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79 echo
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80 echo "New commits:"
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81 ;;
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82 *)
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83 echo "Rebased ref, commits from common ancestor:"
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84 ;;
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85 esac
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86 git-rev-list --pretty "$3" "^$base"
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87 fi) |
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88 mail -s "$project: Changes to '${1##refs/heads/}'" $recipients
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89 exit 0
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