1 files changed, 42 insertions, 20 deletions
diff --git a/pkgs/applications/version-management/sourcehut/update.sh b/pkgs/applications/version-management/sourcehut/update.sh
index 156d4cc35e44..97509397aef5 100755
--- a/pkgs/applications/version-management/sourcehut/update.sh
+++ b/pkgs/applications/version-management/sourcehut/update.sh
@@ -1,8 +1,11 @@
 #! /usr/bin/env nix-shell
 #! nix-shell -i bash -p git mercurial common-updater-scripts
+set -eux -o pipefail
 
-cd "$(dirname "${BASH_SOURCE[0]}")"
+cd "$(dirname "${BASH_SOURCE[0]}")" || exit 1
 root=../../../..
+tmp=$(mktemp -d)
+trap 'rm -rf "$tmp"' EXIT
 
 default() {
   (cd "$root" && nix-instantiate --eval --strict -A "sourcehut.python.pkgs.$1.meta.position" | sed -re 's/^"(.*):[0-9]+"$/\1/')
@@ -13,42 +16,61 @@ version() {
 }
 
 src_url() {
-  (cd "$root" && nix-instantiate --eval --strict -A "sourcehut.python.pkgs.$1.src.drvAttrs.url" | tr -d '"')
+  nix-instantiate --eval --strict --expr " with import $root {}; let src = sourcehut.python.pkgs.$1.drvAttrs.src; in src.url or src.meta.homepage" | tr -d '"'
 }
 
 get_latest_version() {
   src="$(src_url "$1")"
-  tmp=$(mktemp -d)
-
+  rm -rf "$tmp"
   if [ "$1" = "hgsrht" ]; then
-    hg clone "$src" "$tmp" &> /dev/null
+    hg clone "$src" "$tmp" >/dev/null
     printf "%s" "$(cd "$tmp" && hg log --limit 1 --template '{latesttag}')"
   else
-    git clone "$src" "$tmp"
-    printf "%s" "$(cd "$tmp" && git describe $(git rev-list --tags --max-count=1))"
+    git clone "$src" "$tmp" >/dev/null
+    printf "%s" "$(cd "$tmp" && git describe "$(git rev-list --tags --max-count=1)")"
   fi
 }
 
 update_version() {
   default_nix="$(default "$1")"
-  version_old="$(version "$1")"
+  oldVersion="$(version "$1")"
   version="$(get_latest_version "$1")"
 
   (cd "$root" && update-source-version "sourcehut.python.pkgs.$1" "$version")
 
-  git add "$default_nix"
-  git commit -m "$1: $version_old -> $version"
-}
+  # Update vendorSha256 of Go modules
+  retry=true
+  while "$retry"; do
+    retry=false;
+    exec < <(exec nix -L build -f "$root" sourcehut.python.pkgs."$1" 2>&1)
+    while IFS=' :' read -r origin hash; do
+      case "$origin" in
+        (expected|specified) oldHash="$hash";;
+        (got) sed -i "s|$oldHash|$hash|" "$default_nix"; retry=true; break;;
+        (*) printf >&2 "%s\n" "$origin${hash:+:$hash}"
+      esac
+    done
+  done
 
-services=( "srht" "buildsrht" "dispatchsrht" "gitsrht" "hgsrht" "hubsrht" "listssrht" "mansrht"
-           "metasrht" "pastesrht" "todosrht" "scmsrht" )
+  if [ "$oldVersion" != "$version" ]; then
+    git add "$default_nix"
+    git commit -m "sourcehut.$1: $oldVersion -> $version"
+  fi
+}
 
-# Whether or not a specific service is requested
-if [ -n "$1" ]; then
-  version="$(get_latest_version "$1")"
-  (cd "$root" && update-source-version "sourcehut.python.pkgs.$1" "$version")
+if [ $# -gt 0 ]; then
+  services=("$@")
 else
-  for service in "${services[@]}"; do
-    update_version "$service"
-  done
+  # Beware that some packages must be updated before others,
+  # eg. buildsrht must be updated before gitsrht,
+  # otherwise this script would enter an infinite loop
+  # because the reported $oldHash to be changed
+  # may not actually be in $default_nix
+  # but in the file of one of its dependencies.
+  services=( "srht" "scmsrht" "buildsrht" "dispatchsrht" "gitsrht" "hgsrht" "hubsrht" "listssrht" "mansrht"
+             "metasrht" "pagessrht" "pastesrht" "todosrht" )
 fi
+
+for service in "${services[@]}"; do
+  update_version "$service"
+done