snapcraft/hooks: Share common functions among hooks

Signed-off-by: Max Asnaashari <[email protected]>

snapcraft/hooks/common

@@ -0,0 +1,38 @@
+#!/bin/sh -eu
+
+# Utility functions
+get_bool() {
+    value=$(echo "${1:-}" | tr '[:upper:]' '[:lower:]')
+
+    # See if it's true
+    for yes in "true" "1" "yes" "on"; do
+        if [ "${value}" = "${yes}" ]; then
+            echo "true"
+            return
+        fi
+    done
+
+    # See if it's false
+    for no in "false" "0" "no" "off"; do
+        if [ "${value}" = "${no}" ]; then
+            echo "false"
+            return
+        fi
+    done
+
+    # Invalid value (or not set)
+    return
+}
+
+verify_int () {
+    value="${1:-}"
+
+    # Verify if the value is a positive integer
+    if echo "${value}" | grep -Eq '^[0-9]+$'; then
+        echo "${value}"
+        return
+    fi
+
+    # Invalid value (or not set)
+    return
+}

snapcraft/hooks/configure

@@ -5,42 +5,9 @@ if [ -d /sys/kernel/security/apparmor ] && [ "$(cat /proc/self/attr/current)" !=
     exec aa-exec -p unconfined -- "$0" "$@"
 fi
 
-# Utility functions
-get_bool() {
-    value=$(echo "${1:-}" | tr '[:upper:]' '[:lower:]')
-
-    # See if it's true
-    for yes in "true" "1" "yes" "on"; do
-        if [ "${value}" = "${yes}" ]; then
-            echo "true"
-            return
-        fi
-    done
-
-    # See if it's false
-    for no in "false" "0" "no" "off"; do
-        if [ "${value}" = "${no}" ]; then
-            echo "false"
-            return
-        fi
-    done
-
-    # Invalid value (or not set)
-    return
-}
-
-verify_int () {
-    value="${1:-}"
-
-    # Verify if the value is a positive integer
-    if echo "${value}" | grep -Eq '^[0-9]+$'; then
-        echo "${value}"
-        return
-    fi
-
-    # Invalid value (or not set)
-    return
-}
+# shellcheck disable=SC2155
+export SNAP_CURRENT="$(realpath "${SNAP}/..")/current"
+. "${SNAP_CURRENT}/snap/hooks/common"
 
 # Don't fail if the mount namespace isn't properly setup yet
 if [ ! -e /run/snapd-snap.socket ]; then

snapcraft/hooks/connect-plug-ceph-conf

@@ -1,31 +1,10 @@
 #!/bin/sh
 
-# Utility functions
-get_bool() {
-    value=$(echo "${1:-}" | tr '[:upper:]' '[:lower:]')
-
-    # See if it's true
-    for yes in "true" "1" "yes" "on"; do
-        if [ "${value}" = "${yes}" ]; then
-            echo "true"
-            return
-        fi
-    done
-
-    # See if it's false
-    for no in "false" "0" "no" "off"; do
-        if [ "${value}" = "${no}" ]; then
-            echo "false"
-            return
-        fi
-    done
-
-    # Invalid value (or not set)
-    return
-}
+# shellcheck disable=SC2155
+export SNAP_CURRENT="$(realpath "${SNAP}/..")/current"
+. "${SNAP_CURRENT}/snap/hooks/common"
 
 ceph_builtin=$(get_bool "$(snapctl get ceph.builtin)")
-
 if ! [ "${ceph_builtin:-"false"}" = "true" ]; then
   ln -snf ${SNAP_DATA}/microceph/conf/ /etc/ceph
 fi

snapcraft/hooks/disconnect-plug-ceph-conf

@@ -1,31 +1,10 @@
 #!/bin/sh
 
-# Utility functions
-get_bool() {
-    value=$(echo "${1:-}" | tr '[:upper:]' '[:lower:]')
-
-    # See if it's true
-    for yes in "true" "1" "yes" "on"; do
-        if [ "${value}" = "${yes}" ]; then
-            echo "true"
-            return
-        fi
-    done
-
-    # See if it's false
-    for no in "false" "0" "no" "off"; do
-        if [ "${value}" = "${no}" ]; then
-            echo "false"
-            return
-        fi
-    done
-
-    # Invalid value (or not set)
-    return
-}
+# shellcheck disable=SC2155
+export SNAP_CURRENT="$(realpath "${SNAP}/..")/current"
+. "${SNAP_CURRENT}/snap/hooks/common"
 
 ceph_builtin=$(get_bool "$(snapctl get ceph.builtin)")
-
 if [ "${ceph_builtin:-"false"}" = "true" ]; then
     mkdir -p "${SNAP_COMMON}/ceph"
     ln -snf "${SNAP_COMMON}/ceph" /etc/ceph