diff --git a/bin/pdev b/bin/pdev
index 10c522c..ede3ddc 100755
--- a/bin/pdev
+++ b/bin/pdev
@@ -36,7 +36,7 @@ Ce script va
 
     local script=".git/pman-merge.sh"
     local -a push_branches delete_branches
-    local after
+    local hook
     local comment=
     local or_die=" || exit 1"
 
@@ -47,10 +47,15 @@ Ce script va
 if [ -n "\$merge" ]; then
 esection "Fusionner la branche"
 EOF
-    _mscript_merge_branch
-    after="AFTER_MERGE_${SrcType^^}"; [ -n "${!after}" ] && _scripta <<EOF
+    hook="BEFORE_MERGE_${SrcType^^}"; [ -n "${!hook}" ] && _scripta <<EOF
 (
-${!after}
+${!hook}
+)$or_die
+EOF
+    _mscript_merge_branch
+    hook="AFTER_MERGE_${SrcType^^}"; [ -n "${!hook}" ] && _scripta <<EOF
+(
+${!hook}
 )$or_die
 EOF
     _scripta <<EOF
@@ -65,9 +70,9 @@ if [ -n "\$delete" ]; then
 esection "Supprimer la branche"
 EOF
         _mscript_delete_branch
-        after="AFTER_DELETE_${SrcType^^}"; [ -n "${!after}" ] && _scripta <<EOF
+        hook="AFTER_DELETE_${SrcType^^}"; [ -n "${!hook}" ] && _scripta <<EOF
 (
-${!after}
+${!hook}
 )$or_die
 EOF
         _scripta <<EOF
@@ -80,6 +85,11 @@ EOF
 # push
 if [ -n "\$push" ]; then
 esection "Pousser les branches"
+EOF
+    hook="BEFORE_PUSH_${DestType^^}"; [ -n "${!hook}" ] && _scripta <<EOF
+(
+${!hook}
+)$or_die
 EOF
     _script_push_branches
     if [ ${#delete_branches[*]} -gt 0 ]; then
@@ -88,9 +98,9 @@ EOF
         _script_push_branches
         _scripta <<<fi
     fi
-    after="AFTER_PUSH_${DestType^^}"; [ -n "${!after}" ] && _scripta <<EOF
+    hook="AFTER_PUSH_${DestType^^}"; [ -n "${!hook}" ] && _scripta <<EOF
 (
-${!after}
+${!hook}
 )$or_die
 EOF
     _scripta <<EOF
@@ -141,10 +151,12 @@ args=(
 CONFIGURATION
 Le fichier .pman.conf contient la configuration des branches. Les variables
 supplémentaires suivantes peuvent être définies:
+    BEFORE_MERGE_<srcType>
     AFTER_MERGE_<srcType>
     AFTER_DELETE_<srcType>
+    BEFORE_PUSH_<destType>
     AFTER_PUSH_<destType>
-xxxType valant UPSTREAM, DEVELOP, FEATURE, RELEASE, MAIN, HOTFIX, DIST"
+srcType et destType pouvant valoir UPSTREAM, DEVELOP, FEATURE, RELEASE, MAIN, HOTFIX, DIST"
     -d:,--chdir:BASEDIR chdir= "répertoire dans lequel se placer avant de lancer les opérations"
     -O:,--origin Origin= "++\
 origine à partir de laquelle les branches distantes sont considérées"
diff --git a/bin/prel b/bin/prel
index 8dceaaa..026c046 100755
--- a/bin/prel
+++ b/bin/prel
@@ -85,6 +85,11 @@ Vous devrez:
 # create
 if [ -n "\$create" ]; then
 esection "Création de la release"
+EOF
+    [ -n "$BEFORE_CREATE_RELEASE" ] && _scripta <<EOF
+(
+$BEFORE_CREATE_RELEASE
+)$or_die
 EOF
     _rscript_create_release_branch
     [ -n "$AFTER_CREATE_RELEASE" ] && _scripta <<EOF
@@ -101,6 +106,11 @@ EOF
 # merge
 if [ -n "\$merge" ]; then
 esection "Fusionner la release"
+EOF
+    [ -n "$BEFORE_MERGE_RELEASE" ] && _scripta <<EOF
+(
+$BEFORE_MERGE_RELEASE
+)$or_die
 EOF
     _rscript_merge_release_branch "$DestBranch" "$Tag"
     _rscript_merge_release_branch "$SrcBranch"
@@ -119,6 +129,11 @@ EOF
 # push
 if [ -n "\$push" ]; then
 esection "Pousser branches et tags"
+EOF
+    [ -n "$BEFORE_PUSH_RELEASE" ] && _scripta <<EOF
+(
+$BEFORE_PUSH_RELEASE
+)$or_die
 EOF
     _script_push_branches
     _script_push_tags
@@ -191,8 +206,11 @@ args=(
 CONFIGURATION
 Le fichier .pman.conf contient la configuration des branches. Les variables
 supplémentaires suivantes peuvent être définies:
+    BEFORE_CREATE_RELEASE
     AFTER_CREATE_RELEASE
+    BEFORE_MERGE_RELEASE
     AFTER_MERGE_RELEASE
+    BEFORE_PUSH_RELEASE
     AFTER_PUSH_RELEASE"
     -d:,--chdir:BASEDIR chdir= "répertoire dans lequel se placer avant de lancer les opérations"
     -O:,--origin Origin= "++\