Test suite: Provide t-setup-* machinery

[dgit.git] / tests / lib

diff --git a/tests/lib b/tests/lib
index cebe10d9452e79d649662f42404f3b80847c0152..81accebf0f6f11d53639af725298416606102e33 100644 (file)
--- a/tests/lib
+++ b/tests/lib
@@ -36,6 +36,7 @@ testname="${DGIT_TEST_TESTNAME-${0##*/}}"
 tmp=$ADTTMP
 if [ x"$tmp" = x ]; then
        mkdir -p tests/tmp
+       tmpbase=$troot/tmp
        tmp=tests/tmp/$testname
        rm -rf $tmp
        mkdir $tmp
@@ -46,6 +47,8 @@ tmp=`pwd`
 
 t-set-using-tmp
 
+env -0 >$tmp/.save-env
+
 ln -f $troot/ssh ssh
 
 mkdir -p $tmp/gnupg
@@ -371,6 +374,60 @@ t-clean-on-branch () {
        t-output "## $1" git status -b --porcelain
 }
 
+t-setup-done () {
+       local savevars=$1
+       local savedirs=$2
+       local importeval=$3
+
+       exec 4>$tmp/IMPORT.new
+
+       local vn
+       for vn in $savevars; do
+               perl >&4 -I. -MDebian::Dgit -e '
+                       printf "%s=%s\n", $ARGV[0], shellquote $ARGV[1]
+               ' $vn "$(eval "printf '%s\n' \"\$$vn\"")"
+       done
+
+       (set -e; cd $tmp; tar cf IMPORT.tar $savedirs)
+
+       printf >&4 "\n%s\n" "$importeval"
+
+       mv -f $tmp/IMPORT.new $tmp/IMPORT
+}
+
+t-setup-import () {
+       local setupname=$1
+
+       if [ "x$tmpbase" = x ]; then
+               # ADTTMP was set on entry to tests/lib, so we
+               # are not sharing tmp area between tests
+               setupsrc="$tmp"
+       else
+               setupsrc="$tmpbase/$setupname"
+       fi
+
+       local simport="$setupsrc/IMPORT"
+
+       if ! [ -e "$simport" ]; then
+               with-lock-ex -w "$simport.lock" \
+               xargs -0 -a $tmp/.save-env \
+               bash -xec '
+                       cd "$1"; shift
+                       setupname="$1"; shift
+                       simport="$1"; shift
+                       if [ -e "$simport" ]; then exit 0; fi
+                       env - "$@" \
+                       "tests/setup/$setupname"
+               ' x "$root" "$setupname" "$simport"
+       fi
+
+       if [ "x$setupsrc" != "x$tmp" ]; then
+               (set -e; cd $tmp; tar xf "$simport.tar")
+       fi
+
+       . "$simport"
+}
+
 t-git-get-ref-exact () {
        local ref=$1
        # does not dereference, unlike t-git-get-ref