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+#!/bin/sh
+# Startdate: 2020-05-29
+# Dependencies:
+#    jq
+#    my private token
+# Library for interacting with Gitlab API
+# For manual work:
+#    curl --header "${authheader}" "https://git.devuan.org/api/v4/projects/devuan%2Fdevuan-project/issues"
+# References:
+#    https://docs.gitlab.com/ee/api/README.html#pagination
+#    handle transforming the / in the path_with_namespace to %2F per https://docs.gitlab.com/ee/api/README.html#namespaced-path-encoding https://docs.gitlab.com/ee/api/README.html#namespaced-path-encoding
+#    https://docs.gitlab.com/ee/api/issues.html
+
+export token="$( cat /mnt/public/work/devuan/git.devuan.org.token.txt )"
+export authheader="Private-Token: ${token}"
+
+export server=git.devuan.org
+
+export GLL_TMPDIR="$( mktemp -d )"
+
+clean_gitlablib() {
+   rm -rf "${GLL_TMPDIR:-NOTHINGTODELETE}"/*
+}
+
+# PRIVATE
+_handle_gitlab_pagination() {
+   # call: list_all_projects "${startUri}"
+   ___hgp_starturi="${1}"
+   test -n "${GLL_DEBUG}" && set -x
+   # BEGIN
+   rhfile="$( TMPDIR="${GLL_TMPDIR}" mktemp -t "headers.XXXXXXXXXX" )"
+   done=0
+   size=-1
+   uri="${___hgp_starturi}"
+
+   # LOOP
+   while test ${done} -eq 0 ;
+   do
+      response="$( curl -v -L --header "${authheader}" "${uri}" 2>"${rhfile}" )" 
+      #grep -iE "^< link" "${rhfile}"
+      # determine size
+      if test "${size}" = "-1" ; then # run only if size is still undefined
+         tmpsize="$( awk '$2 == "x-total:" {print $3}' "${rhfile}" 2>/dev/null )"
+         test -n "${tmpsize}" && size="${tmpsize}"
+         echo "Number of items: ${size}" 1>&2
+      fi
+
+      tmpnextpage="$( awk '$2 == "x-next-page:" {print $3}' "${rhfile}" 2>/dev/null )"
+      # if x-next-page is blank, that means we are on the last page. Also, we could try x-total-pages compared to x-page.
+      test -z "${tmpnextpage}" && done=1
+      # so if we have a next page, get that link
+      nextUri="$( awk '{$1="";$2="";print}' "${rhfile}" | tr ',' '\n' | awk -F';' '/rel="next"/{print $1}' | sed -r -e 's/^\s*<//;' -e 's/>\s*$//;' )"
+      if test -n "${nextUri}" ; then
+         uri="${nextUri}"
+      else
+         echo "No next page provided! Error." 1>&2
+         done=1
+      fi
+
+      # show contents
+      echo "${response}"
+   done
+
+   # cleanup
+   rm "${rhfile}"
+   set +x
+}
+
+list_all_projects() {
+   _handle_gitlab_pagination "https://${server}/api/v4/projects"
+}
+
+list_all_issues() {
+   _handle_gitlab_pagination "https://${server}/api/v4/issues?scope=all&status=all"
+}
+
+list_issues_for_project() {
+   ___lifp_project="${1}"
+   ___lifp_htmlencode_bool="${2}"
+   istruthy "${___lifp_htmlencode_bool}" && ___lifp_project="$( echo "${___lifp_project}" | sed -r -e 's/\//%2F/g;' )"
+   _handle_gitlab_pagination "https://${server}/api/v4/projects/${___lifp_project}/issues"
+}
+
+list_issues_for_all_projects_pipe() {
+   # call: <projects.path_with_namespace.txt list_issues_for_all_projects_pipe
+   echo "STUB"
+}
+