webi/template.bash

   1 #!/bin/bash
   2
   3 {
   4
   5 set -e
   6 set -u
   7
   8 #WEBI_PKG=
   9 #WEBI_NAME=
  10 # TODO should this be BASEURL instead?
  11 #WEBI_HOST=
  12 #WEBI_RELEASES=
  13 #WEBI_CSV=
  14 #WEBI_TAG=
  15 #WEBI_VERSION=
  16 #WEBI_MAJOR=
  17 #WEBI_MINOR=
  18 #WEBI_PATCH=
  19 # TODO not sure if BUILD is the best name for this
  20 #WEBI_BUILD=
  21 #WEBI_LTS=
  22 #WEBI_CHANNEL=
  23 #WEBI_EXT=
  24 #WEBI_PKG_URL=
  25 #WEBI_PKG_FILE=
  26 export WEBI_HOST
  27
  28 ##
  29 ## Set up tmp, download, and install directories
  30 ##
  31
  32 WEBI_TMP=${WEBI_TMP:-"$(mktemp -d -t webinstall-${WEBI_PKG:-}.XXXXXXXX)"}
  33
  34 mkdir -p "$HOME/Downloads"
  35 mkdir -p "$HOME/.local/bin"
  36 mkdir -p "$HOME/.local/opt"
  37
  38 ##
  39 ## Detect http client
  40 ##
  41 set +e
  42 export WEBI_CURL="$(command -v curl)"
  43 export WEBI_WGET="$(command -v wget)"
  44 set -e
  45
  46 webi_check() {
  47     # Test for existing version
  48     set +e
  49     my_current_cmd="$(command -v "$pkg_cmd_name")"
  50     set -e
  51     if [ -n "$my_current_cmd" ]; then
  52         pkg_current_version="$(pkg_get_current_version)"
  53         # remove trailing '.0's for golang's sake
  54         my_current_version="$(echo $pkg_current_version | sed 's:\.0::g')"
  55         my_new_version="$(echo $WEBI_VERSION | sed 's:\.0::g')"
  56         if [ -n "$(command -v pkg_format_cmd_version)" ]; then
  57             my_canonical_name="$(pkg_format_cmd_version "$WEBI_VERSION")"
  58         else
  59             #my_canonical_name="$WEBI_NAME $WEBI_VERSION"
  60             my_canonical_name="$pkg_cmd_name v$WEBI_VERSION"
  61         fi
  62         if [ "$my_new_version" == "$my_current_version" ]; then
  63             echo "$my_canonical_name already installed at $my_current_cmd"
  64             exit 0
  65         else
  66             if [ "$my_current_cmd" != "$pkg_common_cmd" ]; then
  67                 echo "WARN: possible conflict between $my_canonical_name and $pkg_current_version at $my_current_cmd"
  68             fi
  69             if [ -x "$pkg_new_cmd" ]; then
  70                 pkg_link_new_version
  71                 echo "switched to $my_canonical_name at $pkg_new_opt"
  72                 exit 0
  73             fi
  74           fi
  75     fi
  76 }
  77
  78 webi_download() {
  79     if [ -n "${1:-}" ]; then
  80         my_url="$1"
  81     else
  82         if [ "error" == "$WEBI_CHANNEL" ]; then
  83             echo "Could not find $WEBI_NAME v$WEBI_VERSION"
  84             exit 1
  85         fi
  86         my_url="$WEBI_PKG_URL"
  87         echo "Downloading $WEBI_NAME v$WEBI_VERSION"
  88     fi
  89     if [ -n "${2:-}" ]; then
  90         my_dl="$2"
  91     else
  92         my_dl="$HOME/Downloads/$WEBI_PKG_FILE"
  93     fi
  94
  95     if [ -n "$WEBI_WGET" ]; then
  96         # wget has resumable downloads
  97         # TODO wget -c --content-disposition "$my_url"
  98         set +e
  99         wget -q --show-progress -c "$my_url" --user-agent="wget $WEBI_UA" -O "$my_dl"
 100         if ! [ $? -eq 0 ]; then
 101           echo "failed to download from $WEBI_PKG_URL"
 102           exit 1
 103         fi
 104         set -e
 105     else
 106         # BSD curl is non-resumable, hence we don't bother
 107         # TODO curl -fsSL --remote-name --remote-header-name --write-out "$my_url"
 108         curl -fSL "$my_url" -H "User-Agent: curl $WEBI_UA" -o "$my_dl"
 109     fi
 110 }
 111
 112 webi_extract() {
 113     pushd "$WEBI_TMP" 2>&1 >/dev/null
 114         if [ "tar" == "$WEBI_EXT" ]; then
 115             echo "Extracting $HOME/Downloads/$WEBI_PKG_FILE"
 116             tar xf "$HOME/Downloads/$WEBI_PKG_FILE"
 117         elif [ "zip" == "$WEBI_EXT" ]; then
 118             echo "Extracting $HOME/Downloads/$WEBI_PKG_FILE"
 119             unzip "$HOME/Downloads/$WEBI_PKG_FILE"
 120         elif [ "exe" == "$WEBI_EXT" ]; then
 121             # do nothing (but don't leave an empty if block either)
 122             echo -n ""
 123         elif [ "xz" == "$WEBI_EXT" ]; then
 124             echo "Inflating $HOME/Downloads/$WEBI_PKG_FILE"
 125             unxz -c "$HOME/Downloads/$WEBI_PKG_FILE" > $(basename "$WEBI_PKG_FILE")
 126         else
 127             # do nothing
 128             echo "Failed to extract $HOME/Downloads/$WEBI_PKG_FILE"
 129             exit 1
 130         fi
 131     popd 2>&1 >/dev/null
 132 }
 133
 134 webi_path_add() {
 135     # make sure that we don't recursively install pathman with webi
 136     my_path="$PATH"
 137     export PATH="$HOME/.local/bin:$PATH"
 138     set +e
 139     my_pathman=$(command -v pathman)
 140     set -e
 141     export PATH="$my_path"
 142
 143     # install pathman if not already installed
 144     if [ -z "$my_pathman" ]; then
 145         "$HOME/.local/bin/webi" pathman
 146         "$HOME/.local/bin/pathman" add "$HOME/.local/bin"
 147         export PATH="$HOME/.local/bin:$PATH"
 148     fi
 149
 150     # in case pathman was recently installed and the PATH not updated
 151     "$HOME/.local/bin/pathman" add "$1"
 152 }
 153
 154 ##
 155 ##
 156 ## BEGIN user-submited script
 157 ##
 158 ##
 159
 160 {{ installer }}
 161
 162 ##
 163 ##
 164 ## END user-submitted script
 165 ##
 166 ##
 167
 168 if [ -n $(command -v pkg_install) ]; then
 169     pkg_cmd_name="${pkg_cmd_name:-$WEBI_NAME}"
 170
 171     pkg_common_opt="${pkg_common_opt:-$HOME/.local/opt/$pkg_cmd_name}"
 172     pkg_common_bin="${pkg_common_bin:-$pkg_common_opt/bin}"
 173     pkg_common_cmd="${pkg_common_cmd:-$pkg_common_bin/$pkg_cmd_name}"
 174
 175     pkg_new_opt="${pkg_new_opt:-$HOME/.local/opt/$pkg_cmd_name-v$WEBI_VERSION}"
 176     pkg_new_bin="${pkg_new_bin:-$pkg_new_opt/bin}"
 177     pkg_new_cmd="${pkg_new_cmd:-$pkg_new_bin/$pkg_cmd_name}"
 178
 179     [ -n $(command -v pkg_pre_install) ] && pkg_pre_install
 180
 181     echo "Installing '$pkg_cmd_name' v$WEBI_VERSION as $pkg_new_cmd"
 182     pkg_install
 183
 184     [ -n $(command -v pkg_post_install) ] && pkg_post_install
 185
 186     if [ -n $(command -v pkg_post_install_message) ]; then
 187         pkg_post_install_message
 188     else
 189         echo "Installed '$pkg_cmd_name' v$WEBI_VERSION as $pkg_new_cmd"
 190     fi
 191     echo ""
 192 fi
 193
 194 rm -rf "$WEBI_TMP"
 195
 196 }