From c87fad5fc02cc8a611a25bae5618c1dd6d651a52 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Fri, 28 Apr 2017 20:39:42 +0200
Subject: Adjust to handle standard version in toolchain

---
 buildos | 24 ++++++++++++++----------
 1 file changed, 14 insertions(+), 10 deletions(-)

diff --git a/buildos b/buildos
index 7c7822e..dcdde65 100755
--- a/buildos
+++ b/buildos
@@ -479,28 +479,32 @@ function toolchain_fetch () # <toolchain-prefix> <line>
     return 1
   fi
 
-  # Extract the version.
+  # Extract the version and derive a predictable name link.
   #
   tv="$(toolchain_value "$tp" toolchain_ver)"
 
   if [ -z "$tv" ]; then
-    tv="$(sed -n -re 's/build2-toolchain-(.+)\.tar.*/\1/p' <<<"$f")"
+    tv="$(sed -n -re 's/^build2-toolchain-(.+)\.tar.*/\1/p' <<<"$f")"
 
     if [ -z "$tv" ]; then
       info "unable to extract toolchain version from '$f'"
       return 1
     fi
 
-    declare -g "${tp}toolchain_ver=$tv"
-
     info "toolchain version $tv"
+
+    l="$(sed -n -re "s/^(.+)-$tv(.*)$/\1\2/p" <<<"$f")" # Use full version.
+
+    # Strip snapshot.
+    #
+    tv="$(sed -n -re 's/^([^.]+\.[^.]+\.[^-]+(-[ab]\.[^.+]+)?).*/\1/p' <<<"$tv")"
+
+    declare -g "${tp}toolchain_ver=$tv"
     echo "$tv" >"$tr/version"
+  else
+    l="$(sed -n -re "s/^(.+)-$tv(.*)$/\1\2/p" <<<"$f")"
   fi
 
-  # Derive a predictable name link.
-  #
-  l="$(sed -n -re "s/^(.+)-$tv(.*)$/\1\2/p" <<<"$f")"
-
   if [ -z "$l" ]; then
     info "unable to derive predicatable name from '$f' and '$tv'"
     return 1
@@ -586,7 +590,7 @@ function toolchain_bootstrap () # <toolchain-name>
       break
     fi
 
-    cd "build2-toolchain-$tv"
+    cd "build2-toolchain-$tv"*/
 
     # Bootstrap, stage, and install using the provided build.sh script.
     #
@@ -596,7 +600,7 @@ function toolchain_bootstrap () # <toolchain-name>
     fi
 
     cd "$wd"
-    rm -r "build2-toolchain-$tv"
+    rm -r "build2-toolchain-$tv"*/
     mv -T build2-toolchain-* build2-toolchain # Strip version.
 
     r=0
-- 
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