parse_version

setup.sh

@@ -1,15 +1,43 @@
 #!/usr/bin/env bash
+# USAGE: ./setup.sh             install cbuild to /usr/local
+#        ./setup.sh --local     install cbuild to ~/.local
 
 # exit on errors
-set -eo pipefail
-set -x
+set -xeo pipefail
+CBUILD_VERSION=2.1.0
 
+function version_parse {
+    local v="$1"
+    IFS_backup="$IFS"
+    IFS='.'
+    v_array=($v)
+    IFS="$IFS_backup"
+    version_major=${v_array[0]}
+    version_minor=${v_array[1]}
+    version_patch=${v_array[2]}
+}
+
+version_parse $CBUILD_VERSION
 if [ -z "$CBUILD_INSTALL_DIR" ]; then
-    CBUILD_INSTALL_DIR="/usr/local/share/cbuild"
+    if [ "$1" = "--local" ]; then
+        CBUILD_INSTALL_DIR="~/.local/share/cbuild/${version_major}.${version_minor}"
+        CBUILD_BIN_DIR="~/.local/bin"
+        mkdir -p "~/.local"
+        mkdir -p "~/.local/share"
+        mkdir -p "~/.local/share/cbuild"
+        mkdir -p "~/.local/bin"
+    else
+        CBUILD_INSTALL_DIR="/usr/local/share/cbuild/${version_major}.${version_minor}"
+        CBUILD_BIN_DIR="/usr/local/bin"
+        mkdir -p "/usr/local/share"
+        mkdir -p "/usr/local/share/cbuild"
+        mkdir -p "/usr/local/bin"
+    fi
 fi
 
-if [ "$CBUILD_INSTALL_DIR" != "." ]; then
-    cp -r ./ "$CBUILD_INSTALL_DIR"
-    rm -rf "$CBUILD_INSTALL_DIR/.git"
-fi
-ln -sf "$(realpath $CBUILD_INSTALL_DIR/cbuild.sh)" -T "/usr/local/bin/cbuild"
+rm -rf "$CBUILD_INSTALL_DIR"
+cp -r ./ "$CBUILD_INSTALL_DIR"
+rm -rf "$CBUILD_INSTALL_DIR/.git"
+ln -sf "$(realpath $CBUILD_INSTALL_DIR/cbuild.sh)" -T "$CBUILD_BIN_DIR/cbuild${version_major}.${version_minor}"
+
+ln -sf "$(realpath $CBUILD_INSTALL_DIR/cbuild.sh)" -T "$CBUILD_BIN_DIR/cbuild"