| 1 | #!/bin/sh |
| 2 | # |
| 3 | # An example hook script to block unannotated tags from entering. |
| 4 | # Called by "git receive-pack" with arguments: refname sha1-old sha1-new |
| 5 | # |
| 6 | # To enable this hook, rename this file to "update". |
| 7 | # |
| 8 | # Config |
| 9 | # ------ |
| 10 | # hooks.allowunannotated |
| 11 | # This boolean sets whether unannotated tags will be allowed into the |
| 12 | # repository. By default they won't be. |
| 13 | # hooks.allowdeletetag |
| 14 | # This boolean sets whether deleting tags will be allowed in the |
| 15 | # repository. By default they won't be. |
| 16 | # hooks.allowmodifytag |
| 17 | # This boolean sets whether a tag may be modified after creation. By default |
| 18 | # it won't be. |
| 19 | # hooks.allowdeletebranch |
| 20 | # This boolean sets whether deleting branches will be allowed in the |
| 21 | # repository. By default they won't be. |
| 22 | # hooks.denycreatebranch |
| 23 | # This boolean sets whether remotely creating branches will be denied |
| 24 | # in the repository. By default this is allowed. |
| 25 | # |
| 26 | |
| 27 | # --- Command line |
| 28 | refname="$1" |
| 29 | oldrev="$2" |
| 30 | newrev="$3" |
| 31 | |
| 32 | # --- Safety check |
| 33 | if [ -z "$GIT_DIR" ]; then |
| 34 | echo "Don't run this script from the command line." >&2 |
| 35 | echo " (if you want, you could supply GIT_DIR then run" >&2 |
| 36 | echo " $0 <ref> <oldrev> <newrev>)" >&2 |
| 37 | exit 1 |
| 38 | fi |
| 39 | |
| 40 | if [ -z "$refname" -o -z "$oldrev" -o -z "$newrev" ]; then |
| 41 | echo "usage: $0 <ref> <oldrev> <newrev>" >&2 |
| 42 | exit 1 |
| 43 | fi |
| 44 | |
| 45 | # --- Config |
| 46 | allowunannotated=$(git config --type=bool hooks.allowunannotated) |
| 47 | allowdeletebranch=$(git config --type=bool hooks.allowdeletebranch) |
| 48 | denycreatebranch=$(git config --type=bool hooks.denycreatebranch) |
| 49 | allowdeletetag=$(git config --type=bool hooks.allowdeletetag) |
| 50 | allowmodifytag=$(git config --type=bool hooks.allowmodifytag) |
| 51 | |
| 52 | # check for no description |
| 53 | projectdesc=$(sed -e '1q' "$GIT_DIR/description") |
| 54 | case "$projectdesc" in |
| 55 | "Unnamed repository"* | "") |
| 56 | echo "*** Project description file hasn't been set" >&2 |
| 57 | exit 1 |
| 58 | ;; |
| 59 | esac |
| 60 | |
| 61 | # --- Check types |
| 62 | # if $newrev is 0000...0000, it's a commit to delete a ref. |
| 63 | zero=$(git hash-object --stdin </dev/null | tr '[0-9a-f]' '0') |
| 64 | if [ "$newrev" = "$zero" ]; then |
| 65 | newrev_type=delete |
| 66 | else |
| 67 | newrev_type=$(git cat-file -t $newrev) |
| 68 | fi |
| 69 | |
| 70 | case "$refname","$newrev_type" in |
| 71 | refs/tags/*,commit) |
| 72 | # un-annotated tag |
| 73 | short_refname=${refname##refs/tags/} |
| 74 | if [ "$allowunannotated" != "true" ]; then |
| 75 | echo "*** The un-annotated tag, $short_refname, is not allowed in this repository" >&2 |
| 76 | echo "*** Use 'git tag [ -a | -s ]' for tags you want to propagate." >&2 |
| 77 | exit 1 |
| 78 | fi |
| 79 | ;; |
| 80 | refs/tags/*,delete) |
| 81 | # delete tag |
| 82 | if [ "$allowdeletetag" != "true" ]; then |
| 83 | echo "*** Deleting a tag is not allowed in this repository" >&2 |
| 84 | exit 1 |
| 85 | fi |
| 86 | ;; |
| 87 | refs/tags/*,tag) |
| 88 | # annotated tag |
| 89 | if [ "$allowmodifytag" != "true" ] && git rev-parse $refname > /dev/null 2>&1 |
| 90 | then |
| 91 | echo "*** Tag '$refname' already exists." >&2 |
| 92 | echo "*** Modifying a tag is not allowed in this repository." >&2 |
| 93 | exit 1 |
| 94 | fi |
| 95 | ;; |
| 96 | refs/heads/*,commit) |
| 97 | # branch |
| 98 | if [ "$oldrev" = "$zero" -a "$denycreatebranch" = "true" ]; then |
| 99 | echo "*** Creating a branch is not allowed in this repository" >&2 |
| 100 | exit 1 |
| 101 | fi |
| 102 | ;; |
| 103 | refs/heads/*,delete) |
| 104 | # delete branch |
| 105 | if [ "$allowdeletebranch" != "true" ]; then |
| 106 | echo "*** Deleting a branch is not allowed in this repository" >&2 |
| 107 | exit 1 |
| 108 | fi |
| 109 | ;; |
| 110 | refs/remotes/*,commit) |
| 111 | # tracking branch |
| 112 | ;; |
| 113 | refs/remotes/*,delete) |
| 114 | # delete tracking branch |
| 115 | if [ "$allowdeletebranch" != "true" ]; then |
| 116 | echo "*** Deleting a tracking branch is not allowed in this repository" >&2 |
| 117 | exit 1 |
| 118 | fi |
| 119 | ;; |
| 120 | *) |
| 121 | # Anything else (is there anything else?) |
| 122 | echo "*** Update hook: unknown type of update to ref $refname of type $newrev_type" >&2 |
| 123 | exit 1 |
| 124 | ;; |
| 125 | esac |
| 126 | |
| 127 | # --- Finished |
| 128 | exit 0 |
| 129 | |