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1 #!/bin/sh |
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2 # |
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3 # An example hook script to block unannotated tags from entering. |
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4 # Called by "git receive-pack" with arguments: refname sha1-old sha1-new |
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5 # |
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6 # To enable this hook, rename this file to "update". |
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7 # |
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8 # Config |
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9 # ------ |
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10 # hooks.allowunannotated |
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11 # This boolean sets whether unannotated tags will be allowed into the |
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12 # repository. By default they won't be. |
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13 # hooks.allowdeletetag |
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14 # This boolean sets whether deleting tags will be allowed in the |
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15 # repository. By default they won't be. |
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16 # hooks.allowmodifytag |
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17 # This boolean sets whether a tag may be modified after creation. By default |
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18 # it won't be. |
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19 # hooks.allowdeletebranch |
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20 # This boolean sets whether deleting branches will be allowed in the |
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21 # repository. By default they won't be. |
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22 # hooks.denycreatebranch |
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23 # This boolean sets whether remotely creating branches will be denied |
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24 # in the repository. By default this is allowed. |
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25 # |
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26 |
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27 # --- Command line |
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28 refname="$1" |
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29 oldrev="$2" |
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30 newrev="$3" |
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31 |
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32 # --- Safety check |
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33 if [ -z "$GIT_DIR" ]; then |
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34 echo "Don't run this script from the command line." >&2 |
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35 echo " (if you want, you could supply GIT_DIR then run" >&2 |
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36 echo " $0 <ref> <oldrev> <newrev>)" >&2 |
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37 exit 1 |
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38 fi |
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39 |
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40 if [ -z "$refname" -o -z "$oldrev" -o -z "$newrev" ]; then |
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41 echo "usage: $0 <ref> <oldrev> <newrev>" >&2 |
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42 exit 1 |
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43 fi |
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44 |
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45 # --- Config |
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46 allowunannotated=$(git config --type=bool hooks.allowunannotated) |
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47 allowdeletebranch=$(git config --type=bool hooks.allowdeletebranch) |
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48 denycreatebranch=$(git config --type=bool hooks.denycreatebranch) |
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49 allowdeletetag=$(git config --type=bool hooks.allowdeletetag) |
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50 allowmodifytag=$(git config --type=bool hooks.allowmodifytag) |
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51 |
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52 # check for no description |
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53 projectdesc=$(sed -e '1q' "$GIT_DIR/description") |
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54 case "$projectdesc" in |
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55 "Unnamed repository"* | "") |
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56 echo "*** Project description file hasn't been set" >&2 |
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57 exit 1 |
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58 ;; |
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59 esac |
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60 |
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61 # --- Check types |
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62 # if $newrev is 0000...0000, it's a commit to delete a ref. |
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63 zero=$(git hash-object --stdin </dev/null | tr '[0-9a-f]' '0') |
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64 if [ "$newrev" = "$zero" ]; then |
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65 newrev_type=delete |
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66 else |
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67 newrev_type=$(git cat-file -t $newrev) |
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68 fi |
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69 |
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70 case "$refname","$newrev_type" in |
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71 refs/tags/*,commit) |
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72 # un-annotated tag |
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73 short_refname=${refname##refs/tags/} |
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74 if [ "$allowunannotated" != "true" ]; then |
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75 echo "*** The un-annotated tag, $short_refname, is not allowed in this repository" >&2 |
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76 echo "*** Use 'git tag [ -a | -s ]' for tags you want to propagate." >&2 |
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77 exit 1 |
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78 fi |
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79 ;; |
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80 refs/tags/*,delete) |
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81 # delete tag |
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82 if [ "$allowdeletetag" != "true" ]; then |
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83 echo "*** Deleting a tag is not allowed in this repository" >&2 |
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84 exit 1 |
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85 fi |
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86 ;; |
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87 refs/tags/*,tag) |
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88 # annotated tag |
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89 if [ "$allowmodifytag" != "true" ] && git rev-parse $refname > /dev/null 2>&1 |
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90 then |
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91 echo "*** Tag '$refname' already exists." >&2 |
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92 echo "*** Modifying a tag is not allowed in this repository." >&2 |
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93 exit 1 |
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94 fi |
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95 ;; |
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96 refs/heads/*,commit) |
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97 # branch |
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98 if [ "$oldrev" = "$zero" -a "$denycreatebranch" = "true" ]; then |
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99 echo "*** Creating a branch is not allowed in this repository" >&2 |
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100 exit 1 |
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101 fi |
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102 ;; |
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103 refs/heads/*,delete) |
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104 # delete branch |
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105 if [ "$allowdeletebranch" != "true" ]; then |
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106 echo "*** Deleting a branch is not allowed in this repository" >&2 |
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107 exit 1 |
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108 fi |
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109 ;; |
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110 refs/remotes/*,commit) |
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111 # tracking branch |
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112 ;; |
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113 refs/remotes/*,delete) |
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114 # delete tracking branch |
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115 if [ "$allowdeletebranch" != "true" ]; then |
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116 echo "*** Deleting a tracking branch is not allowed in this repository" >&2 |
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117 exit 1 |
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118 fi |
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119 ;; |
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120 *) |
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121 # Anything else (is there anything else?) |
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122 echo "*** Update hook: unknown type of update to ref $refname of type $newrev_type" >&2 |
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123 exit 1 |
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124 ;; |
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125 esac |
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126 |
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127 # --- Finished |
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128 exit 0 |