main/update

   1 #!/bin/bash
   2
   3 reponame="$(basename "$(readlink -f .)")"
   4
   5 FORMAT="%C(auto)%h by %an (%ah: %s) sig: %G? %GS 0x%GK https://jfr.im/git/$reponame/commitdiff/%h"
   6 #H2I="https://h2i:ef199c443ca3f1f49709dbe79c3758273658fb7cfbb2ff88ab97ef9aedd6bb30@chat.2948.ca/h2i/null"
   7 NC=( nc -q 0 10.0.0.2 13336 )
   8
   9 ref="$1"
  10 old="$2"
  11 new="$3"
  12
  13 allowForcePush="$(git config --type=bool hooks.allowForcePush)"
  14 protectedRefs="$(git config --default refs/heads/main hooks.protectedRefs)"
  15
  16 commits=""
  17 forced=""
  18
  19 if [ "$old" = "0000000000000000000000000000000000000000" ]; then # new branch
  20         commits="created with $(git describe --always "$new")"
  21 elif [ "$new" = "0000000000000000000000000000000000000000" ]; then # deleted branch
  22         commits="deleted from $(git describe --always "$old")"
  23 elif [ "$old" = "$(git merge-base "$old" "$new")" ]; then # fast-forward update
  24         commits="updated from $(git describe --always "$old") -> $(git describe --always "$new")"
  25 elif [ "$new" = "$(git merge-base "$old" "$new")" ]; then # rollback
  26         commits="!! rolled back to $(git describe --always "$new") erasing history through $(git describe --always "$old")"
  27         forced="true"
  28 else # commit --amend, rebase, or similar
  29         commits="!! rewrote history from $(git describe --always "$(git merge-base "$old" "$new")") -> $(git describe --always "$new") erasing history through $(git describe --always "$old")"
  30         forced="true"
  31 fi
  32
  33 #curl -sS -d "[$reponame] $ref $commits" "$H2I" >/dev/null
  34 echo "[$reponame] $ref $commits" | "${NC[@]}" >/dev/null
  35
  36 if [ "$old" = "0000000000000000000000000000000000000000" ]; then
  37         git show --no-show-signature --no-patch --pretty="tformat:$FORMAT" "$new"
  38 else
  39         git log --no-show-signature --pretty="tformat:$FORMAT" "$old".."$new"
  40 fi | while read line; do
  41                 : #curl -sS -d "$line" "$H2I" >/dev/null
  42                 echo "$line" | "${NC[@]}" >/dev/null
  43 done
  44
  45 if [[ $forced == "true" && $allowForcePush != "true" && $ref =~ $protectedRefs ]]; then
  46         echo "(BLOCKED PUSH, 'git config hooks.allowForcePush true' on server to allow)" | "${NC[@]}" >/dev/null
  47         exit 1
  48 fi
  49
  50 exit 0