[wip] script to pin Coq's ci

shell_scripts/generate_coq_platform_packages_ci.sh

@@ -0,0 +1,105 @@
+#!/usr/bin/env bash
+
+set -e
+
+# This script generates opam/packages/*/*.dev/opam files using Coq's CI
+# project tracking info and generates $OUTPUT mentioning
+# them
+OUTPUT=${OUTPUT:=coq_platform_packages_ci.sh}
+
+TMP=`mktemp -d`
+trap "rm -rf $TMP" EXIT
+
+function log {
+  echo $1
+}
+
+function git_clone {
+  test -d $TMP/git/$1 || (log "DBG: Cloning $1 ..."; git clone $2 -b $3 --depth=1 $TMP/git/$1 >/dev/null 2>&1)
+}
+
+function test_package {
+   printf "%-52s # %s\n" "PACKAGES=\"\${PACKAGES} $1.dev\"" "$2" >> $OUTPUT
+}
+
+function skip_package {
+   printf "#%-51s # %s\n" "PACKAGES=\"\${PACKAGES} $1.dev\"" "$2" >> $OUTPUT
+}
+
+function create_opam_pinned_package {
+  local cip="$1"
+  local package="$2"
+  local REPO_VAR="${cip}_CI_GITURL"
+  local REPO=${!REPO_VAR}
+  local BRANCH_VAR="${cip}_CI_REF"
+  local BRANCH=${!BRANCH_VAR}
+  git_clone $cip ${REPO} ${BRANCH}
+  mkdir -p opam/packages/$package/$package.dev/
+  if [ -e $TMP/git/$cip/$package.opam ]; then
+    cp $TMP/git/$cip/$package.opam opam/packages/$package/$package.dev/opam
+  elif [ -e $TMP/git/$cip/*.opam ]; then
+    cp $TMP/git/$cip/*.opam opam/packages/$package/$package.dev/opam
+  elif [ -e $TMP/git/$cip/opam ]; then
+    cp $TMP/git/$cip/opam opam/packages/$package/$package.dev/opam
+  else
+   log "WARNING: No opam file for $cip $package"
+   skip_package $package "since no opam package found"
+   return
+  fi
+  local HASH=$(cd $TMP/git/$cip/ && git log --oneline | cut -f 1 -d ' ')
+  printf "\nsrc { url : \"%s\" }" "git+${REPO}#${HASH}" >> opam/packages/$package/$package.dev/opam
+  log "INFO: Testing $package at hash $HASH (on branch $BRANCH from $REPO)"
+  test_package $package "${REPO}#${HASH} (on branch $BRANCH)"
+}
+
+# fetch ci info for Coq
+git_clone coq https://github.com/coq/coq.git master
+. git/coq/dev/ci/ci-basic-overlay.sh
+# fake ci project for Coq itself
+project coq "https://github.com/coq/coq.git" "master"
+COQ_CI_PROJECTS="${projects[*]}"
+
+# fetch package list from the current platform
+COQ_PLATFORM_EXTENT=f
+COQ_PLATFORM_COMPCERT=f
+COQ_PLATFORM_VST=y
+. coq_platform_packages.sh
+
+# create the .dev package and their list
+> $OUTPUT
+for pv in $PACKAGES; do
+  package=`echo $pv | sed -e 's/\..*//'`
+  case $package in
+    coqide)
+      create_opam_pinned_package coq $package
+    ;;
+    coq-mathcomp-ssreflect|coq-mathcomp-fingroup|coq-mathcomp-algebra|coq-mathcomp-solvable|coq-mathcomp-field|coq-mathcomp-character)
+      create_opam_pinned_package mathcomp $package
+    ;;
+    coq-hierarchy-builder)  # https://github.com/coq/coq/pull/13633
+      create_opam_pinned_package elpi_hb $package
+    ;;
+    coq-gappa)  # https://github.com/coq/coq/pull/13633
+      create_opam_pinned_package gappa_plugin $package
+    ;;
+    lablgtk3|gappa|menhir) # why are these in the platform?
+      continue
+    ;;
+    *)
+      found=f
+      for cip in $COQ_CI_PROJECTS; do
+          if [ "$found" = "f" -a "${cip/_/-}" = "${package#coq-}" ]; then
+            found=t
+            create_opam_pinned_package ${cip} $package
+          fi
+      done
+      if [ "$found" = "f" ]; then
+          log "WARNING: platform package $package has no corresponding entry in Coq's ci"
+          skip_package $package "no corresponding entry in Coq's ci"
+      fi
+    ;;
+  esac
+done
+
+echo "========================== platform version CI =================="
+cat $OUTPUT