vxOpenLibm - v1.0.0-dev4 : update support

*add*
> [scripts]
  | [update] support update operation
  | [install] support `--overwrite` option

*update*
> [scripts]
  | [install] expose sysroot information in build folder
  | [install] allow overwrite the current build (remove and reclone)

*fix*
> [scripts]
  | [uninstall] fix typo in help message

scripts/install.sh

@@ -15,6 +15,7 @@ Options:
   -y, --yes             do not display validation step
   -v, --verbose         display more information during operations
       --prefix-sysroot  sysroot (install) prefix path
+      --overwrite       remove the cloned OpenLibm repo if already exists
 
 Notes:
     This project is mainly automatically installed as a dependency of the
@@ -29,6 +30,7 @@ EOF
 
 verbose=false
 skip_input=false
+overwrite=false
 prefix=''
 for arg; do
   case "$arg" in
@@ -36,6 +38,7 @@ for arg; do
     -y | --yes)                 skip_input=true;;
     -v | --verbose)             verbose=true;;
          --prefix-sysroot=*)    prefix=${arg#*=};;
+         --overwrite)           overwrite=true;;
     *)
       echo "error: unreconized argument '$arg', giving up." >&2
       exit 1
@@ -66,17 +69,18 @@ _src=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )
 cd "$_src" || exit 1
 source ./_utils.sh
 
-if [[ -d '../openlibm' ]]
+if [[ -d '../openlibm' &&  "$overwrite" != 'true' ]]
 then
-  echo 'OpenLibm already exists, abord' >&2
-  exit 1
+  echo 'vxOpenLibm already installed, nothing to do'
+  exit 0
 fi
 
 if [[ "$skip_input" != 'true' ]]
 then
   echo 'This script will compile and install the vxOpenLibm project'
-  echo "  - prefix  = $prefix"
-  echo "  - verbose = $verbose"
+  echo "  - prefix    = $prefix"
+  echo "  - verbose   = $verbose"
+  echo "  - overwrite = $overwrite"
   read -p 'Perform operations [Yn] ? ' -r valid
   if [[ "$valid" == 'n' ]]; then
     echo 'Operation aborted' >&2
@@ -84,6 +88,8 @@ then
   fi
 fi
 
+[[ -d '../openlibm' ]] && rm -rf ../openlibm
+
 [[ "$verbose" == 'true' ]] && export VERBOSE=1
 
 #---
@@ -110,3 +116,4 @@ callcmd cmake --build ../openlibm/_build-vhex/
 
 echo "$TAG install..."
 callcmd cmake --install ../openlibm/_build-vhex/
+echo "$prefix" > ../openlibm/_build-vhex/sysroot.txt

scripts/uninstall.sh

@@ -6,14 +6,14 @@
 
 function help() {
   cat << EOF
-Uninstallation script for vxOpenLibm project (for of OpenLibm)
+Uninstallation script for vxOpenLibm project (fork of OpenLibm)
 
 Usage: $0 [options...]
 
 Options:
-  -h, --help    display this help
-  -y, --yes     do not display validation step
-  -v, --verbose display more information during operations
+  -h, --help        display this help
+  -y, --yes         do not display validation step
+  -v, --verbose     display more information during operations
 
 Notes:
     This project is a dependency of "sh-elf-vhex" compiler, manual
@@ -30,9 +30,9 @@ verbose=false
 skip_input=false
 for arg; do
   case "$arg" in
-    -h | --help)                help;;
-    -y | --yes)                 skip_input=true;;
-    -v | --verbose)             verbose=true;;
+    -h | --help)    help;;
+    -y | --yes)     skip_input=true;;
+    -v | --verbose) verbose=true;;
     *)
       echo "error: unreconized argument '$arg', giving up." >&2
       exit 1

scripts/update.sh

@@ -0,0 +1,83 @@
+#!/usr/bin/env bash
+
+#---
+# Help screen
+#---
+
+function help() {
+  cat << EOF
+Update script the for vxOpenLibm script (fork of OpenLibm)
+
+Usage: $0 [options...]
+
+Options:
+  -h, --help        display this help
+  -y, --yes         do not display validation step
+  -v, --verbose     display more information during operations
+
+Notes:
+    This project is a dependency of "sh-elf-vhex" compiler, manual
+  uninstallation can break all the toolchain.
+EOF
+  exit 0
+}
+
+#---
+# Parse arguments
+#---
+
+verbose=false
+skip_input=false
+for arg; do
+  case "$arg" in
+    -h | --help)    help;;
+    -y | --yes)     skip_input=true;;
+    -v | --verbose) verbose=true;;
+    *)
+      echo "error: unreconized argument '$arg', giving up." >&2
+      exit 1
+  esac
+done
+
+#---
+# Preliminary check
+#---
+
+_src=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )
+cd "$_src" || exit 1
+source ./_utils.sh
+
+if ! test -f '../openlibm/_build-vhex/sysroot.txt'
+then
+  echo 'vxOpenLibm not installed, nothing to do'
+  exit 0
+fi
+prefix=$(cat '../openlibm/_build-vhex/sysroot.txt')
+
+if [[ "$skip_input" != 'true' ]]
+then
+  echo "This script will update the vxOpenLibm for the sysroot '$prefix'"
+  read -p 'Perform operation [Yn] ? ' -r valid
+  if [[ "$valid" == 'n' ]]
+  then
+    echo 'Operation aborded' >&2
+    exit 1
+  fi
+fi
+
+#---
+# Manual update
+#---
+
+[[ "$verbose" == 'true' ]] && export VERBOSE=1
+
+if test -d '../.git'
+then
+  echo "$TAG try to bump the repository..."
+  callcmd git pull
+else
+  echo "$TAG WARNING: not a git repository"
+fi
+
+echo "$TAG update operation will reclone and rebuild the project..."
+./install.sh --prefix-sysroot="$prefix" --yes --overwrite