build: Add pre-install and pre-removal scripts for DEBIAN package

SourceGit.sln

@@ -60,6 +60,8 @@ EndProject
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "DEBIAN", "DEBIAN", "{F101849D-BDB7-40D4-A516-751150C3CCFC}"
 	ProjectSection(SolutionItems) = preProject
 		build\resources\deb\DEBIAN\control = build\resources\deb\DEBIAN\control
+		build\resources\deb\DEBIAN\preinst = build\resources\deb\DEBIAN\preinst
+		build\resources\deb\DEBIAN\prerm = build\resources\deb\DEBIAN\prerm
 	EndProjectSection
 EndProject
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "rpm", "rpm", "{9BA0B044-0CC9-46F8-B551-204F149BF45D}"

build/resources/deb/DEBIAN/preinst

@@ -0,0 +1,32 @@
+#!/bin/sh
+
+set -e
+
+# summary of how this script can be called:
+#        * <new-preinst> `install'
+#        * <new-preinst> `install' <old-version>
+#        * <new-preinst> `upgrade' <old-version>
+#        * <old-preinst> `abort-upgrade' <new-version>
+# for details, see http://www.debian.org/doc/debian-policy/
+
+case "$1" in
+    install|upgrade)
+        # Check if SourceGit is running and stop it
+        if pidof -q sourcegit || pgrep -f sourcegit > /dev/null; then
+            echo "SourceGit is running, stopping it..."
+            killall sourcegit 2>/dev/null || pkill -f sourcegit 2>/dev/null || true
+            # Wait for SourceGit to exit
+            sleep 1
+        fi
+    ;;
+
+    abort-upgrade)
+    ;;
+
+    *)
+        echo "preinst called with unknown argument \`$1'" >&2
+        exit 1
+    ;;
+esac
+
+exit 0

build/resources/deb/DEBIAN/prerm

@@ -0,0 +1,36 @@
+#!/bin/sh
+
+set -e
+
+# summary of how this script can be called:
+#        * <prerm> `remove'
+#        * <old-prerm> `upgrade' <new-version>
+#        * <new-prerm> `failed-upgrade' <old-version>
+#        * <conflictor's-prerm> `remove' `in-favour' <package> <new-version>
+#        * <deconfigured's-prerm> `deconfigure' `in-favour'
+#          <package-being-installed> <version> `removing'
+#          <conflicting-package> <version>
+# for details, see http://www.debian.org/doc/debian-policy/ or
+# the debian-policy package
+
+case "$1" in
+    remove|upgrade|deconfigure)
+        # Check if SourceGit is running and stop it
+        if pidof -q sourcegit || pgrep -f sourcegit > /dev/null; then
+            echo "SourceGit is running, stopping it before removal..."
+            killall sourcegit 2>/dev/null || pkill -f sourcegit 2>/dev/null || true
+            # Wait for SourceGit to exit
+            sleep 1
+        fi
+    ;;
+
+    failed-upgrade)
+    ;;
+
+    *)
+        echo "prerm called with unknown argument \`$1'" >&2
+        exit 1
+    ;;
+esac
+
+exit 0