1 files changed, 59 insertions, 0 deletions
diff --git a/debian/update-version.sh b/debian/update-version.sh
new file mode 100755
index 000000000..c2b1688de
--- /dev/null
+++ b/debian/update-version.sh
@@ -0,0 +1,59 @@
+#!/bin/bash
+# Don't run this directly, use "debian/rules update-version" instead
+
+prev_stable() {
+local V=$1
+python3 -c 'import sys; k=list(map(int,sys.argv[1].split("."))); k[1]-=1; print(".".join(map(str,k)))' "$V"
+}
+
+cargo_new() {
+local V=$1
+python3 -c 'import sys; k=list(map(int,sys.argv[1].split("."))); k[1]+='"${2:-1}"'; k[0]-=1; print(".".join(map(str,k)))' "$V"
+}
+
+update() {
+local ORIG=$1 NEW=$2 NEW_LONG=$3
+local CARGO_NEW=${4:-$(cargo_new $NEW)}
+local CARGO_NEXT=${4:-$(cargo_new $NEW 2)}
+
+ORIG_M1=$(prev_stable $ORIG)
+NEW_M1=$(prev_stable $NEW)
+ORIG_R="${ORIG/./\\.}" # match a literal dot, otherwise this might sometimes match e.g. debhelper (>= 9.20141010)
+
+WASI_CI="$(grep -Rl "git clone https://github.com/WebAssembly/wasi-libc" ../src/ci | head -n1)"
+WASI_COMMIT="$(egrep -o '\b[0-9A-Fa-f]{7}' "$WASI_CI")"
+WASI_REGEX='wasi-libc \(([><=]+) 0.0~git([0-9]+).([0-9a-f]+)([~+]+)\)'
+
+if [ -z "$WASI_COMMIT" -o "$(printf '%s\n' "$WASI_COMMIT" | wc -l)" != 1 ]; then
+  echo >&2 "error: could not determine unique WASI_COMMIT ($WASI_COMMIT), please figure it out from src/ci and update my logic"
+  exit 1
+fi
+
+WASI_COMMIT_OLD="$(sed -nre 's|.*'"${WASI_REGEX}"'.*|\3|gp' control | sort -u)"
+if [ -z "$WASI_COMMIT_OLD"  -o "$(printf '%s\n' "$WASI_COMMIT_OLD" | wc -l)" != 1 ]; then
+  echo >&2 "error: could not determine unique WASI_COMMIT_OLD ($WASI_COMMIT_OLD), please figure it out from debian/control and update my logic"
+  exit 1
+fi
+
+sed -i -e "s|libstd-rust-${ORIG_R}|libstd-rust-$NEW|g" \
+       -e "s|rustc:native\( *\)(<= [^)]*)|rustc:native\1(<= $NEW_LONG++)|g" \
+       -e "s|rustc:native\( *\)(>= ${ORIG_M1/./\\.}|rustc:native\1(>= ${NEW_M1}|g" \
+       -e "s|cargo\( *\)(>= [^)]*)|cargo\1(>= ${CARGO_NEW}.0~~)|g" \
+       -e "s|cargo\( *\)(<< [^)]*)|cargo\1(<< ${CARGO_NEXT}.0~~)|g" \
+       control
+
+if [ "$WASI_COMMIT" != "$WASI_COMMIT_OLD" ]; then
+  sed -ri -e 's|'"${WASI_REGEX}"'|wasi-libc (\1 0.0~gitFIXME.'"${WASI_COMMIT}"'\4)|g' control
+  echo >&2 "note: the version of the wasi-libc Build-Depends has changed and needs to be FIXME with the correct date"
+  echo >&2 "please update that package, upload it to experimental, and supply the correct date in debian/control"
+fi
+
+if [ "$NEW" != "$ORIG" ]; then
+git mv libstd-rust-$ORIG.install libstd-rust-$NEW.install
+git mv libstd-rust-$ORIG.lintian-overrides libstd-rust-$NEW.lintian-overrides
+fi
+sed -i -e "s|libstd-rust-${ORIG_R}|libstd-rust-$NEW|g" libstd-rust-$NEW.lintian-overrides
+}
+
+cd $(dirname "$0")
+update "$@"