debian: install git-delta v0.17.0

utils/debian.sh

@@ -38,6 +38,7 @@ setup_commands() {
   DPKG="${dry}dpkg"
   GIT="${dry}git"
   GZIP="${dry}gzip"
+  HELP2MAN="${dry}help2man"
   LN="${dry}ln"
   MKDIR="${dry}mkdir"
   MV="${dry}mv"
@@ -311,6 +312,43 @@ install_fd() (
   ${MV} "${pkg}" /usr/local/stow/
   ${STOW} -v -d /usr/local/stow "${pkg}"
 )
+
+install_git_delta() (
+  title "Install git-delta v${1}"
+
+  ${MKDIR} git-delta
+  ${CD} git-delta
+  pkg="git-delta-${1}"
+
+  info "Downloading release archive"
+  ${CURL} -LO "https://github.com/dandavison/delta/releases/download/${1}/git-delta_${1}_amd64.deb"
+
+  info "Extracting release archive"
+  ${DPKG} --extract "git-delta_${1}_amd64.deb" .
+  ${MV} -v usr "${pkg}"
+
+  info "Creating additional directories"
+  for subdir in share/man/man1 share/zsh/vendor-completions; do
+    ${MKDIR} -p "${pkg}/${subdir}"
+  done
+
+  info "Cloning repository for shell completions"
+  ${GIT} clone --branch "${1}" --depth 1 https://github.com/dandavison/delta.git repo
+
+  info "Packaging zsh completions"
+  ${MV} -v "repo/etc/completion/completion.zsh" "${pkg}/share/zsh/vendor-completions/_delta"
+
+  info "Generating man pages"
+  ${HELP2MAN} --no-info --output "git-delta.1" "${pkg}/bin/delta"
+  ${SED} -i -e 's/\x1b\[[0-9;]*[Mm]//g' git-delta.1
+  ${GZIP} -n9 git-delta.1
+  ${MV} -v git-delta.1.gz "${pkg}/share/man/man1/"
+
+  info "Installing package"
+  ${MV} "${pkg}" /usr/local/stow/
+  ${STOW} -v -d /usr/local/stow "${pkg}"
+)
+
 parse_args() {
   while getopts 'hn' opt; do
     case "$opt" in
@@ -347,6 +385,7 @@ main() {
   install_broot 1.36.1
   install_eza 0.18.7
   install_fd 9.0.0
+  install_git_delta 0.17.0
 
   grub_disable_timeout
   ensure_usr_local_man_manN