git-tag.shon commit short i/o: fix calls to write to use xwrite or write_in_full (93822c2)
   1#!/bin/sh
   2# Copyright (c) 2005 Linus Torvalds
   3
   4USAGE='-l [<pattern>] | [-a | -s | -u <key-id>] [-f | -d | -v] [-m <msg>] <tagname> [<head>]'
   5SUBDIRECTORY_OK='Yes'
   6. git-sh-setup
   7
   8message_given=
   9annotate=
  10signed=
  11force=
  12message=
  13username=
  14list=
  15verify=
  16while case "$#" in 0) break ;; esac
  17do
  18    case "$1" in
  19    -a)
  20        annotate=1
  21        ;;
  22    -s)
  23        annotate=1
  24        signed=1
  25        ;;
  26    -f)
  27        force=1
  28        ;;
  29    -l)
  30        case "$#" in
  31        1)
  32                set x . ;;
  33        esac
  34        shift
  35        git rev-parse --symbolic --tags | sort | grep "$@"
  36        exit $?
  37        ;;
  38    -m)
  39        annotate=1
  40        shift
  41        message="$1"
  42        if test "$#" = "0"; then
  43            die "error: option -m needs an argument"
  44        else
  45            message_given=1
  46        fi
  47        ;;
  48    -F)
  49        annotate=1
  50        shift
  51        if test "$#" = "0"; then
  52            die "error: option -F needs an argument"
  53        else
  54            message="$(cat "$1")"
  55            message_given=1
  56        fi
  57        ;;
  58    -u)
  59        annotate=1
  60        signed=1
  61        shift
  62        username="$1"
  63        ;;
  64    -d)
  65        shift
  66        tag_name="$1"
  67        tag=$(git-show-ref --verify --hash -- "refs/tags/$tag_name") ||
  68                die "Seriously, what tag are you talking about?"
  69        git-update-ref -m 'tag: delete' -d "refs/tags/$tag_name" "$tag" &&
  70                echo "Deleted tag $tag_name."
  71        exit $?
  72        ;;
  73    -v)
  74        shift
  75        tag_name="$1"
  76        tag=$(git-show-ref --verify --hash -- "refs/tags/$tag_name") ||
  77                die "Seriously, what tag are you talking about?"
  78        git-verify-tag -v "$tag"
  79        exit $?
  80        ;;
  81    -*)
  82        usage
  83        ;;
  84    *)
  85        break
  86        ;;
  87    esac
  88    shift
  89done
  90
  91name="$1"
  92[ "$name" ] || usage
  93prev=0000000000000000000000000000000000000000
  94if git-show-ref --verify --quiet -- "refs/tags/$name"
  95then
  96    test -n "$force" || die "tag '$name' already exists"
  97    prev=`git rev-parse "refs/tags/$name"`
  98fi
  99shift
 100git-check-ref-format "tags/$name" ||
 101        die "we do not like '$name' as a tag name."
 102
 103object=$(git-rev-parse --verify --default HEAD "$@") || exit 1
 104type=$(git-cat-file -t $object) || exit 1
 105tagger=$(git-var GIT_COMMITTER_IDENT) || exit 1
 106: ${username:=$(expr "z$tagger" : 'z\(.*>\)')}
 107
 108trap 'rm -f "$GIT_DIR"/TAG_TMP* "$GIT_DIR"/TAG_FINALMSG "$GIT_DIR"/TAG_EDITMSG' 0
 109
 110if [ "$annotate" ]; then
 111    if [ -z "$message_given" ]; then
 112        ( echo "#"
 113          echo "# Write a tag message"
 114          echo "#" ) > "$GIT_DIR"/TAG_EDITMSG
 115        ${VISUAL:-${EDITOR:-vi}} "$GIT_DIR"/TAG_EDITMSG || exit
 116    else
 117        echo "$message" >"$GIT_DIR"/TAG_EDITMSG
 118    fi
 119
 120    grep -v '^#' <"$GIT_DIR"/TAG_EDITMSG |
 121    git-stripspace >"$GIT_DIR"/TAG_FINALMSG
 122
 123    [ -s "$GIT_DIR"/TAG_FINALMSG -o -n "$message_given" ] || {
 124        echo >&2 "No tag message?"
 125        exit 1
 126    }
 127
 128    ( printf 'object %s\ntype %s\ntag %s\ntagger %s\n\n' \
 129        "$object" "$type" "$name" "$tagger";
 130      cat "$GIT_DIR"/TAG_FINALMSG ) >"$GIT_DIR"/TAG_TMP
 131    rm -f "$GIT_DIR"/TAG_TMP.asc "$GIT_DIR"/TAG_FINALMSG
 132    if [ "$signed" ]; then
 133        gpg -bsa -u "$username" "$GIT_DIR"/TAG_TMP &&
 134        cat "$GIT_DIR"/TAG_TMP.asc >>"$GIT_DIR"/TAG_TMP ||
 135        die "failed to sign the tag with GPG."
 136    fi
 137    object=$(git-mktag < "$GIT_DIR"/TAG_TMP)
 138fi
 139
 140git update-ref "refs/tags/$name" "$object" "$prev"
 141