Add tests for "git describe --long".

* Move test logic to scm-update.sh scripts.
    * Check for "git describe --long".

tests/jobs/bzr-checkout-update.sh

@@ -1 +1,19 @@
 #! /bin/sh
+
+repo="$1"
+STATE_FILE=$(pwd)/.bzr-checkout-state
+if test -e $STATE_FILE; then
+    state=$(cat $STATE_FILE)
+    test $state -gt 1 && state=0
+else
+    state=0;
+fi
+
+case $state in
+    (0) echo "::Create repo. -- continue -- updated::"
+    ln -s bzr-repo bzr-checkout-repo
+    ;;
+    (*) echo "::End. -- stop -- nothing::" ;;
+esac
+
+echo $(($state + 1)) > $STATE_FILE

tests/jobs/bzr-update.sh

@@ -1 +1,24 @@
 #! /bin/sh
+
+repo="$1"
+STATE_FILE=$(pwd)/.bzr-state
+if test -e $STATE_FILE; then
+    state=$(cat $STATE_FILE)
+    test $state -gt 1 && state=0
+else
+    state=0;
+fi
+
+export BZR_HOME; # Set by the Makefile
+case $state in
+    (0) echo "::Create repo. -- continue -- updated::"
+    bzr init bzr-repo
+    bzr whoami "build <build@donotemail.com>" -d bzr-repo
+    touch bzr-repo/bzr-file
+    bzr add bzr-repo/bzr-file
+    bzr commit -m "add bzr-file" bzr-repo/bzr-file
+    ;;
+    (*) echo "::End. -- stop -- nothing::";;
+esac
+
+echo $(($state + 1)) > $STATE_FILE

tests/jobs/deepgit-builder.sh

@@ -0,0 +1,6 @@
+#! /bin/sh
+
+set -e
+mkdir $out
+cp -v $src/* $out/
+git describe --long > $out/Version

tests/jobs/deepgit-input.nix

@@ -0,0 +1,10 @@
+with import ./config.nix;
+{ src }:
+{  
+  copy = 
+    mkDerivation {
+      name = "git-input";
+      builder = ./scm-builder.sh;
+      inherit src;
+    };
+}

tests/jobs/git-update.sh

@@ -1,25 +1,49 @@
 #! /bin/sh
+# This script is used both by git & deepgit checks.
 
-cd "$1"
-STATE_FILE=.state
+repo=git-repo
+STATE_FILE=$(pwd)/.git-state
 if test -e $STATE_FILE; then
     state=$(cat $STATE_FILE)
+    test $state -gt 3 && state=0
 else
     state=0;
 fi
 
 case $state in
-    (0)
-    echo "Add new file."
-    touch git-file-2
-    git add git-file-2 >&2
-    git commit -m "add git file 2" git-file-2 >&2
+    (0) echo "::Create repo. -- continue -- updated::"
+    git init $repo
+    cd $repo
+    touch foo
+    git add foo
+    git commit -m "Add foo"
+    git tag -a -m "First Tag." tag0
+    git checkout -b master HEAD
     ;;
-    (1)
-    echo "Rewrite commit."
-    echo 1 > git-file-2
-    git add git-file-2 >&2
-    git commit --amend -m "add git file 2" git-file-2 >&2
+    (1) echo "::Create new commit. -- continue -- updated::"
+    cd $repo
+    # Increase depth to make sure the tag is not fetched by default.
+    echo 0 > foo
+    git add foo
+    git commit -m "Increase depth 0"
+    echo 1 > foo
+    git add foo
+    git commit -m "Increase depth 1"
+    echo 2 > foo
+    git add foo
+    git commit -m "Increase depth 2"
+    echo 0 > bar
+    git add bar
+    git commit -m "Add bar with 0"
+    ;;
+    (2) echo "::Amend commit. (push -f) -- continue -- updated::"
+    cd $repo
+    echo 1 > bar
+    git add bar
+    git commit --amend -m "Add bar with 1"
+    ;;
+    (*) echo "::End. -- stop -- nothing::"
+    rm -rf $repo
     ;;
 esac
 

tests/jobs/hg-update.sh

@@ -1 +1,23 @@
 #! /bin/sh
+
+repo="$1"
+STATE_FILE=$(pwd)/.hg-state
+if test -e $STATE_FILE; then
+    state=$(cat $STATE_FILE)
+    test $state -gt 1 && state=0
+else
+    state=0;
+fi
+
+case $state in
+    (0) echo "::Create repo. -- continue -- updated::"
+    hg init hg-repo
+    touch hg-repo/hg-file
+    cd hg-repo
+    hg add hg-file
+    hg commit -m "add hg file" hg-file -u foobar
+    ;;
+    (*) echo "::End. -- stop -- nothing::" ;;
+esac
+
+echo $(($state + 1)) > $STATE_FILE

tests/jobs/svn-checkout-update.sh

@@ -1 +1,19 @@
 #! /bin/sh
+
+repo="$1"
+STATE_FILE=$(pwd)/.svn-checkout-state
+if test -e $STATE_FILE; then
+    state=$(cat $STATE_FILE)
+    test $state -gt 1 && state=0
+else
+    state=0;
+fi
+
+case $state in
+    (0) echo "::Create repo. -- continue -- updated::"
+    ln -s svn-repo svn-checkout-repo
+    ;;
+    (*) echo "::End. -- stop -- nothing::" ;;
+esac
+
+echo $(($state + 1)) > $STATE_FILE

tests/jobs/svn-update.sh

@@ -1 +1,23 @@
 #! /bin/sh
+
+repo="$1"
+STATE_FILE=$(pwd)/.svn-state
+if test -e $STATE_FILE; then
+    state=$(cat $STATE_FILE)
+    test $state -gt 1 && state=0
+else
+    state=0;
+fi
+
+case $state in
+    (0) echo "::Create repo. -- continue -- updated::"
+    svnadmin create svn-repo
+    svn co $repo svn-checkout
+    touch svn-checkout/svn-file
+    svn add svn-checkout/svn-file
+    svn commit -m "add svn file" svn-checkout/svn-file
+    ;;
+    (*) echo "::End. -- stop -- nothing::";;
+esac
+
+echo $(($state + 1)) > $STATE_FILE