From 96025bfc6e3268a18de7d8a97a3d3eea39636bce Mon Sep 17 00:00:00 2001
From: Holger Weiss <holger@zedat.fu-berlin.de>
Date: Thu, 26 Feb 2015 00:02:11 +0100
Subject: [PATCH] set-dep-versions: Cope with branches

Handle the case where a branch name is specified for a rebar dependency,
as we now do for Elixir.
---
 rebar.config.script    |  8 ++------
 tools/set-dep-versions | 26 ++++++++++++++++++++------
 2 files changed, 22 insertions(+), 12 deletions(-)

diff --git a/rebar.config.script b/rebar.config.script
index f483899fd..bf00908e8 100644
--- a/rebar.config.script
+++ b/rebar.config.script
@@ -92,16 +92,12 @@ CfgDeps = lists:flatmap(
                ({zlib, true}) ->
                     [{p1_zlib, ".*", {git, "git://github.com/processone/zlib"}}];
                ({riak, true}) ->
-                    [{riakc, ".*",
-		      {git, "git://github.com/basho/riak-erlang-client",
-		       {tag, "1.4.2"}}}];
+                    [{riakc, ".*", {git, "git://github.com/basho/riak-erlang-client", {tag, "1.4.2"}}}];
                ({json, true}) ->
                     [{jiffy, ".*", {git, "git://github.com/davisp/jiffy"}}];
                ({elixir, true}) ->
                     [{rebar_elixir_plugin, ".*", {git, "git://github.com/yrashk/rebar_elixir_plugin"}},
-                     {elixir, ".*",
-                      {git, "git://github.com/elixir-lang/elixir",
-                       {branch, "v1.0"}}}];
+                     {elixir, ".*", {git, "git://github.com/elixir-lang/elixir", {branch, "v1.0"}}}];
                ({iconv, true}) ->
                     [{p1_iconv, ".*", {git, "git://github.com/processone/eiconv"}}];
                ({lager, true}) ->
diff --git a/tools/set-dep-versions b/tools/set-dep-versions
index 8d56cde4d..65b250516 100755
--- a/tools/set-dep-versions
+++ b/tools/set-dep-versions
@@ -19,9 +19,13 @@ die()
 
 get_dep_list()
 {
-    sed -n \
-        '/.*{ *\([^,]*\),[^,]*, *{git, *"\([^"]*\)".*/ {
-            s//\1,\2/
+    sed -n '
+        /.*{ *\([^,]*\),[^,]*, *{ *git, *"\([^"]*\)" *} *}.*/ {
+            s//\1,\2,master/
+            p
+        }
+        /.*{ *\([^,]*\),[^,]*, *{ *git, *"\([^"]*\)" *, *{ *branch, *"\([^"]*\)".*/ {
+            s//\1,\2,\3/
             p
         }' "$rebar_script"
 }
@@ -33,7 +37,15 @@ get_dep_name()
 
 get_dep_url()
 {
-    printf '%s' "${1#*,}"
+    dep_url=${1#*,}
+    dep_url=${dep_url%,*}
+
+    printf '%s' "$dep_url"
+}
+
+get_dep_branch()
+{
+    printf '%s' "${1##*,}"
 }
 
 get_dep_rev()
@@ -51,9 +63,10 @@ clone_repo()
 {
     dep_name=$(get_dep_name "$1")
     dep_url=$(get_dep_url "$1")
+    dep_branch=$(get_dep_branch "$1")
 
     cd "$deps_dir"
-    git clone -q "$dep_url" "$dep_name"
+    git clone -q -b "$dep_branch" "$dep_url" "$dep_name"
     cd "$OLDPWD"
 }
 
@@ -64,7 +77,8 @@ edit_rebar_script()
     dep_rev=$(get_dep_rev "$1")
 
     echo "Using revision $dep_rev of $dep_name"
-    sed "s|\"$dep_url\"[^}]*}|\"$dep_url\", \"$dep_rev\"}|" \
+    sed -e "s|\"$dep_url\".*{ *branch[^}]*} *}|\"$dep_url\", \"$dep_rev\"}|" \
+        -e "s|\"$dep_url\"[^}]*}|\"$dep_url\", \"$dep_rev\"}|" \
         "$rebar_script" >"$temp_file"
     mv "$temp_file" "$rebar_script"
 }
-- 
2.40.0