From 0f5498f0bf2f81e7917cc65c45323c472829d29b Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Sat, 26 May 2018 16:31:15 +0200
Subject: Add -s option (only prepare install scripts) to stage script

---
 stage | 53 +++++++++++++++++++++++++++++++++++++----------------
 1 file changed, 37 insertions(+), 16 deletions(-)

diff --git a/stage b/stage
index 40d5bee..68b2fde 100755
--- a/stage
+++ b/stage
@@ -6,6 +6,8 @@
 #    Packages baseutils/mingw.
 # -o
 #    Only package baseutils/mingw.
+# -s
+#    Only prepare the install scripts and regenerate toolchain.sha256.
 # -q
 #    Put packages into the queue instead of staging. Used to update for
 #    queue.
@@ -33,7 +35,9 @@ fi
 
 mode=
 base=
-only=
+base_only=
+script_only=
+
 dist_src=staging/0
 dist_dst=stage.build2.org:/var/www/stage.build2.org/public/0
 
@@ -44,7 +48,11 @@ while [ $# -gt 0 ]; do
       shift
       ;;
     -o)
-      only=true
+      base_only=true
+      shift
+      ;;
+    -s)
+      script_only=true
       shift
       ;;
     -q)
@@ -65,11 +73,15 @@ while [ $# -gt 0 ]; do
   esac
 done
 
+# Note that this structure is seriously hard-wired in the install scripts.
+# Specifically, they assume paths in toolchain.sha256 are in the <ver>/<file>
+# form.
+#
 mkdir -p "$dist_src/$v"
 
 # Generate baseutils if requested.
 #
-if [ -n "$base" ]; then
+if [ "$base" = true ]; then
   cd private/baseutils
 
   echo "$v" >version
@@ -115,7 +127,7 @@ if [ -n "$base" ]; then
   mv "/tmp/build2-mingw-$v-x86_64-windows.tar.xz.sha256" "$dist_src/$v/"
 fi
 
-if [ "$only" = true ]; then
+if [ "$base_only" = true ]; then
   exit 0
 fi
 
@@ -126,23 +138,28 @@ mkdir -p /tmp/dist
 
 # Dist build2-toolchain.
 #
-# @@ .sha256 sums: make sure they don't contain full paths!
+if [ "$script_only" != true ]; then
 
-# Cleanup old stuff.
-#
-rm -f "$owd/$dist_src/$v"/build2-toolchain-*
+  # Cleanup old stuff.
+  #
+  rm -f "$owd/$dist_src/$v"/build2-toolchain-*
 
-b "dist(build2-toolchain-default/)" \
-  "config.dist.archives=$owd/$dist_src/$v/tar.xz $owd/$dist_src/$v/tar.gz"
+  b "dist(build2-toolchain-default/)" \
+    "config.dist.archives=$owd/$dist_src/$v/tar.xz $owd/$dist_src/$v/tar.gz"
 
-cd "$owd/$dist_src/$v/"
+  cd "$owd/$dist_src/$v/"
 
-tv="$(echo build2-toolchain-*.tar.gz | sed -re 's/build2-toolchain-(.+).tar.gz/\1/')"
+  tv="$(echo build2-toolchain-*.tar.gz | sed -re 's/build2-toolchain-(.+).tar.gz/\1/')"
 
-sha256sum -b "build2-toolchain-$tv.tar.gz" >"build2-toolchain-$tv.tar.gz.sha256"
-sha256sum -b "build2-toolchain-$tv.tar.xz" >"build2-toolchain-$tv.tar.xz.sha256"
+  sha256sum -b "build2-toolchain-$tv.tar.gz" >"build2-toolchain-$tv.tar.gz.sha256"
+  sha256sum -b "build2-toolchain-$tv.tar.xz" >"build2-toolchain-$tv.tar.xz.sha256"
 
-cd "$owd"
+  cd "$owd"
+else
+  cd "$owd/$dist_src/$v/"
+  tv="$(echo build2-toolchain-*.tar.gz | sed -re 's/build2-toolchain-(.+).tar.gz/\1/')"
+  cd "$owd"
+fi
 
 # Prepare the toolchain.sha256 checksums file.
 #
@@ -172,6 +189,7 @@ esac
 scripts=($(private/install/prepare "$o" "$dist_src"))
 
 for f in "${scripts[@]}"; do
+  info "prepared $f"
   checksum_line "$f"
 done
 
@@ -179,7 +197,6 @@ if [ "$mode" = "-p" ]; then
   exit 0
 fi
 
-
 # Sync the distribution.
 #
 # Note that we do the distribution first so that the toolchain changes are
@@ -193,6 +210,10 @@ rsync -v -rlpt -c --copy-unsafe-links --prune-empty-dirs --delete-after \
 ##fi
 ##
 
+if [ "$script_only" = true ]; then
+  exit 0
+fi
+
 # Distribute packages, regenerate and sync the repository.
 #
 etc/stage-pkg -c $mode -d apr packaging/apr/libapr1
-- 
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