From 1d042e849bdffaf453c934074fee70dc4e9130f0 Mon Sep 17 00:00:00 2001
From: vanhofen <vanhofen@gmx.de>
Date: Wed, 11 May 2022 16:10:29 +0200
Subject: [PATCH] - buildsystem-helpers: add hg support

---
 README.md                        |  6 +++---
 make/buildsystem-helpers.mk      | 22 ++++++++++++++++++++--
 support/scripts/get-hg-source.sh | 23 +++++++++++++++++++++++
 3 files changed, 46 insertions(+), 5 deletions(-)
 create mode 100755 support/scripts/get-hg-source.sh

diff --git a/README.md b/README.md
index f44026e8..e4e1d048 100644
--- a/README.md
+++ b/README.md
@@ -3,9 +3,9 @@
 ## Für die Einrichtung unter Debian sind folgende Pakete nötig
 ```bash
 apt-get install \
-git subversion cvs automake build-essential ccache cmake patch bison flex \
-texinfo autopoint libtool libtool-bin python curl gawk gzip bzip2 lzma gperf \
-gettext help2man bc libglib2.0-dev libncurses5-dev libncursesw5-dev \
+git subversion mercurial cvs automake build-essential ccache cmake patch bison \
+flex texinfo autopoint libtool libtool-bin python curl gawk gzip bzip2 lzma \
+gperf gettext help2man bc libglib2.0-dev libncurses5-dev libncursesw5-dev \
 liblzo2-dev uuid-dev libssl-dev libltdl-dev libcurl4-openssl-dev intltool zip
 
 ```
diff --git a/make/buildsystem-helpers.mk b/make/buildsystem-helpers.mk
index b3d05b53..8b7b439c 100644
--- a/make/buildsystem-helpers.mk
+++ b/make/buildsystem-helpers.mk
@@ -22,6 +22,9 @@ define DOWNLOAD
 	if [ "$($(PKG)_VERSION)" == "git" ]; then \
 	  $(call MESSAGE,"Downloading") ; \
 	  $(GET_GIT_SOURCE) $($(PKG)_SITE)/$($(PKG)_SOURCE) $(DL_DIR)/$($(PKG)_SOURCE); \
+	elif [ "$($(PKG)_VERSION)" == "hg" ]; then \
+	  $(call MESSAGE,"Downloading") ; \
+	  $(GET_HG_SOURCE) $($(PKG)_SITE)/$($(PKG)_SOURCE) $(DL_DIR)/$($(PKG)_SOURCE); \
 	elif [ "$($(PKG)_VERSION)" == "svn" ]; then \
 	  $(call MESSAGE,"Downloading") ; \
 	  $(GET_SVN_SOURCE) $($(PKG)_SITE)/$($(PKG)_SOURCE) $(DL_DIR)/$($(PKG)_SOURCE); \
@@ -40,20 +43,34 @@ define EXTRACT # (directory)
 	@$(call MESSAGE,"Extracting")
 	$(foreach hook,$($(PKG)_PRE_EXTRACT_HOOKS),$(call $(hook))$(sep))
 	$(Q)( \
-	case $($(PKG)_SOURCE) in \
+	case $($(PKG)_VERSION).$($(PKG)_SOURCE) in \
 	  *.tar | *.tar.bz2 | *.tbz | *.tar.gz | *.tgz | *.tar.xz | *.txz) \
 	    tar -xf ${DL_DIR}/$($(PKG)_SOURCE) -C $(1); \
 	    ;; \
 	  *.zip) \
 	    unzip -o -q ${DL_DIR}/$($(PKG)_SOURCE) -d $(1); \
 	    ;; \
-	  *.git | *.svn) \
+	  *.git | git.*) \
 	    cp -a -t $(1) $(DL_DIR)/$($(PKG)_SOURCE); \
 	    if test $($(PKG)_CHECKOUT); then \
 	      $(call MESSAGE,"git checkout $($(PKG)_CHECKOUT)"); \
 	      $(CD) $(1)/$($(PKG)_DIR); git checkout $($(PKG)_CHECKOUT); \
 	    fi; \
 	    ;; \
+	  *.hg | hg.*) \
+	    cp -a -t $(1) $(DL_DIR)/$($(PKG)_SOURCE); \
+	    if test $($(PKG)_CHECKOUT); then \
+	      $(call MESSAGE,"hg checkout $($(PKG)_CHECKOUT)"); \
+	      $(CD) $(1)/$($(PKG)_DIR); hg checkout $($(PKG)_CHECKOUT); \
+	    fi; \
+	    ;; \
+	  *.svn | svn.*) \
+	    cp -a -t $(1) $(DL_DIR)/$($(PKG)_SOURCE); \
+	    if test $($(PKG)_CHECKOUT); then \
+	      $(call MESSAGE,"svn checkout $($(PKG)_CHECKOUT)"); \
+	      $(CD) $(1)/$($(PKG)_DIR); svn checkout $($(PKG)_CHECKOUT); \
+	    fi; \
+	    ;; \
 	  *) \
 	    $(call MESSAGE,"Cannot extract $($(PKG)_SOURCE)"); \
 	    false ;; \
@@ -159,6 +176,7 @@ SED   = $(shell which sed || type -p sed || echo sed) -i -e
 
 GET_GIT_ARCHIVE = support/scripts/get-git-archive.sh
 GET_GIT_SOURCE  = support/scripts/get-git-source.sh
+GET_HG_SOURCE   = support/scripts/get-hg-source.sh
 GET_SVN_SOURCE  = support/scripts/get-svn-source.sh
 UPDATE-RC.D     = support/scripts/update-rc.d -r $(TARGET_DIR)
 REMOVE-RC.D     = support/scripts/update-rc.d -f -r $(TARGET_DIR)
diff --git a/support/scripts/get-hg-source.sh b/support/scripts/get-hg-source.sh
new file mode 100755
index 00000000..b7a83b1d
--- /dev/null
+++ b/support/scripts/get-hg-source.sh
@@ -0,0 +1,23 @@
+#!/bin/bash
+#
+# clone or pull an existing hg repository
+#
+# (C) 2019 vanhofen
+# License: WTFPLv2
+#
+# parameters:
+# * hg URL
+# * destination directory
+#
+HG_URL="$1"
+DEST="$2"
+
+# exit on error
+set -e
+
+if [ -d $DEST ]; then
+	cd $DEST
+		hg pull || true
+else
+	hg clone $HG_URL $DEST
+fi