Add release action to version-bump.sh

1 files changed, 69 insertions, 4 deletions

diff --git a/scripts/version-bump.sh b/scripts/version-bump.sh
index 6378801..287580b 100755
--- a/scripts/version-bump.sh
+++ b/scripts/version-bump.sh
@@ -31,10 +31,11 @@ print_usage()
   echo "Usage: $0 [OPTIONS] ACTION"
   echo
   echo "Available options:"
-  echo "  -s,--script   Format output in \"script\" mode (no trailing newline)."
+  echo "  -s,--script  Format output in \"script\" mode (no trailing newline)."
   echo
   echo "Available actions:"
-  echo "  print [minor|major|patch]  Print the current version."
+  echo "  print   [minor|major|patch]  Print the current version."
+  echo "  release [minor|major|patch]  Bump the specified version part"
   echo
   echo "Please run this script from the project root folder."
 }
@@ -44,9 +45,9 @@ print_usage()
 # Takes one argument: the matching version identifier in the version file.
 get_version_part()
 {
-  local V=$(grep -m 1 "^#define\([ \t]*\)${1}" ${VERSION_FILE} | sed 's/[^0-9]*//g')
+  local V=$(grep -m 1 "^#define\([ \t]*\)$1" ${VERSION_FILE} | sed 's/[^0-9]*//g')
 
-  [ ! -z ${V} ] || die "Could not get ${1} from ${VERSION_FILE}"
+  [ ! -z ${V} ] || die "Could not get $1 from ${VERSION_FILE}"
 
   echo ${V}
 }
@@ -62,6 +63,32 @@ get_version()
   VERSION_PATCH=$(get_version_part "TINYALSA_VERSION_PATCH")
 }
 
+# Commits the new version part to the version file.
+# Takes two arguments: the version part identifier in the version file and the
+#   new version number.
+commit_version_part()
+{
+  if [ -z $1 ] || [ -z $2 ]; then
+    return 0
+  fi
+
+  sed -i "s/\(^#define[ \t]*$1\)[ \t]*\([0-9]*\)/\1 $2/g" ${VERSION_FILE} \
+    || die "Could not commit version";
+
+  return 0
+}
+
+# Commits the new version to the version file.
+# Takes three arguments, the new version numbers for major, minor and patch
+commit_version()
+{
+  commit_version_part "TINYALSA_VERSION_PATCH" $1
+  commit_version_part "TINYALSA_VERSION_MINOR" $2
+  commit_version_part "TINYALSA_VERSION_MAJOR" $3
+
+  return 0
+}
+
 # -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
 #
 #   Actions implementations / functions
@@ -93,6 +120,40 @@ print_version()
   return 0
 }
 
+bump_version()
+{
+  get_version
+
+  local PART="patch"
+
+  if [ ! -z $1 ]; then
+    PART="$1"
+  fi
+
+  case "$PART" in
+    major)
+      VERSION_MAJOR=$((VERSION_MAJOR+1))
+      VERSION_MINOR=0
+      VERSION_PATCH=0
+    ;;
+    minor)
+      VERSION_MINOR=$((VERSION_MINOR+1))
+      VERSION_PATCH=0
+    ;;
+    patch)
+      VERSION_PATCH=$((VERSION_PATCH+1))
+    ;;
+    *)
+      die "Unknown part \"$1\" (must be one of minor, major and patch)."
+    ;;
+  esac
+
+  commit_version ${VERSION_PATCH} ${VERSION_MINOR} ${VERSION_MAJOR}
+  print_version
+
+  return 0
+}
+
 # -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
 #
 #   Command Line parsing
@@ -110,6 +171,10 @@ parse_command()
       print_version "$2"
       exit $?
       ;;
+    release)
+      bump_version "$2"
+      exit $?
+      ;;
     *)
       die "Unsupported action \"$1\"."
       ;;