Bug 1415505 - add clean only target to build.sh, r=ttaubert

Reviewers: ttaubert

Reviewed By: ttaubert

Differential Revision: https://phabricator.services.mozilla.com/D104

--HG--
extra : rebase_source : d1ab536b33366ae465549f1dfb56a3a0920da90d

build.sh

@@ -68,6 +68,7 @@ fi
 while [ $# -gt 0 ]; do
     case $1 in
         -c) clean=1 ;;
+        -cc) clean_only=1 ;;
         --gyp|-g) rebuild_gyp=1 ;;
         --nspr) nspr_clean; rebuild_nspr=1 ;;
         -j) ninja_params+=(-j "$2"); shift ;;
@@ -124,10 +125,15 @@ dist_dir=$(mkdir -p "$dist_dir"; cd "$dist_dir"; pwd -P)
 gyp_params+=(-Dnss_dist_dir="$dist_dir")
 
 # -c = clean first
-if [ "$clean" = 1 ]; then
+if [ "$clean" = 1 -o "$clean_only" = 1 ]; then
     nspr_clean
     rm -rf "$cwd"/out
     rm -rf "$dist_dir"
+    # -cc = only clean, don't build
+    if [ "$clean_only" = 1 ]; then
+        echo "Cleaned"
+        exit 0
+    fi
 fi
 
 # This saves a canonical representation of arguments that we are passing to gyp

help.txt

@@ -1,4 +1,4 @@
-Usage: build.sh [-hcv] [-j <n>] [--nspr] [--gyp|-g] [--opt|-o] [-m32]
+Usage: build.sh [-hcv] [-cc] [-j <n>] [--nspr] [--gyp|-g] [--opt|-o] [-m32]
                 [--test] [--pprof] [--scan-build[=output]] [--ct-verif]
                 [--asan] [--ubsan] [--msan] [--sancov[=edge|bb|func|...]]
                 [--disable-tests] [--fuzz[=tls|oss]] [--system-sqlite]
@@ -14,6 +14,7 @@ NSS build tool options:
 
     -h               display this help and exit
     -c               clean before build
+    -cc              clean without building
     -v               verbose build
     -j <n>           run at most <n> concurrent jobs
     --nspr           force a rebuild of NSPR