Squashed commit of the following:

commit 164ed5e
Author: Kirill Müller <[email protected]>
Date:   Thu Jan 2 16:41:29 2025 +0100

    Remove tag check

commit 8448043
Author: Kirill Müller <[email protected]>
Date:   Thu Jan 2 16:40:10 2025 +0100

    vendor_base_dir

commit 4010491
Author: Kirill Müller <[email protected]>
Date:   Thu Jan 2 16:11:29 2025 +0100

    Change project dir

commit a69b6b2
Author: Kirill Müller <[email protected]>
Date:   Thu Jan 2 15:33:32 2025 +0100

    Add vendor-one.sh script

commit a84a185
Author: Kirill Müller <[email protected]>
Date:   Thu Jan 2 15:20:59 2025 +0100

    Sync

commit 327e04a
Author: Kirill Müller <[email protected]>
Date:   Thu Jan 2 15:16:29 2025 +0100

    Rename

commit ebd9422
Author: Kirill Müller <[email protected]>
Date:   Sun Dec 1 21:48:08 2024 +0100

    chore: Sync vendor script with duckdb

.Rbuildignore

@@ -57,3 +57,5 @@
 ^man/dot-extract_constructor_and_modifiers\.Rd$
 ^man/dot-apply_modifiers\.Rd$
 ^man/handle_vertex_type_arg\.Rd$
+^vendor\.sh$
+^vendor-one\.sh$

tools/README.md

@@ -5,7 +5,7 @@
 In the shell:
 
 ```sh
-tools/update-cigraph.sh <path-to-cigraph-working-copy>
+vendor.sh <path-to-cigraph-working-copy>
 ```
 
 There is a CI/CD workflow that runs this very frequently.

vendor-one.sh

@@ -0,0 +1,94 @@
+#!/bin/bash
+# https://unix.stackexchange.com/a/654932/19205
+# Using bash for -o pipefail
+
+set -e
+set -x
+set -o pipefail
+
+cd `dirname $0`
+
+project=igraph
+vendor_base_dir=src/vendor
+vendor_dir=${vendor_base_dir}/cigraph
+repo_org=${project}
+repo_name=${project}
+
+
+if [ -z "$1" ]; then
+  upstream_basedir=../../${project}
+else
+  upstream_basedir="$1"
+fi
+
+upstream_dir=.git/${project}
+
+if [ "$upstream_basedir" != "$upstream_dir" ]; then
+  git clone "$upstream_basedir" "$upstream_dir"
+fi
+
+if [ -n "$(git status --porcelain)" ]; then
+  echo "Error: working directory not clean"
+  exit 1
+fi
+
+if [ -n "$(git -C "$upstream_dir" status --porcelain)" ]; then
+  echo "Warning: working directory $upstream_dir not clean"
+fi
+
+base=$(git log -n 3 --format="%s" -- ${vendor_dir} | tee /dev/stderr | sed -nr '/^.*'${repo_org}.${repo_name}'@([0-9a-f]+)( .*)?$/{s//\1/;p;}' | head -n 1)
+
+original=$(git -C "$upstream_dir" log --first-parent --reverse --format="%H" ${base}..HEAD)
+
+message=
+is_tag=
+
+for commit in $original; do
+  echo "Importing commit $commit"
+
+  git -C "$upstream_dir" checkout "$commit"
+
+  rm -rf ${vendor_dir}
+  mkdir -p ${vendor_dir}
+
+  git clone "$upstream_dir" ${vendor_dir}
+
+  cmake -S${vendor_dir} -B${vendor_dir}/build
+
+  mv ${vendor_dir}/build/include/igraph_version.h src/vendor/
+
+  rm -rf ${vendor_dir}/.git ${vendor_dir}/.github ${vendor_dir}/doc ${vendor_dir}/examples ${vendor_dir}/fuzzing ${vendor_dir}/tests ${vendor_dir}/tools ${vendor_dir}/build
+
+  make -f Makefile-cigraph
+
+  R -q -e 'cpp11::cpp_register()'
+
+  # Always vendor tags
+  if [ $(git -C "$upstream_dir" describe --tags "$commit" | grep -c -- -) -eq 0 ]; then
+    message="vendor: Update vendored sources (tag $(git -C "$upstream_dir" describe --tags "$commit")) to ${repo_org}/${repo_name}@$commit"
+    is_tag=true
+    break
+  fi
+
+  if [ $(git status --porcelain -- ${vendor_base_dir} | wc -l) -gt 1 ]; then
+    message="vendor: Update vendored sources to ${repo_org}/${repo_name}@$commit"
+    break
+  fi
+done
+
+if [ "$message" = "" ]; then
+  echo "No changes."
+  git checkout -- ${vendor_base_dir}
+  rm -rf "$upstream_dir"
+  exit 0
+fi
+
+git add .
+
+(
+  echo "$message"
+  echo
+  git -C "$upstream_dir" log --first-parent --format="%s" ${base}..${commit} | tee /dev/stderr | sed -r 's%(#[0-9]+)%'${repo_org}/${repo_name}'\1%g'
+) | git commit --file /dev/stdin
+
+rm -rf "$upstream_dir"

vendor.sh

@@ -0,0 +1,92 @@
+#!/bin/bash
+# https://unix.stackexchange.com/a/654932/19205
+# Using bash for -o pipefail
+
+set -e
+set -x
+set -o pipefail
+
+cd `dirname $0`
+
+project=igraph
+vendor_base_dir=src/vendor
+vendor_dir=${vendor_base_dir}/cigraph
+repo_org=${project}
+repo_name=${project}
+
+
+if [ -z "$1" ]; then
+  upstream_basedir=../../${project}
+else
+  upstream_basedir="$1"
+fi
+
+upstream_dir=.git/${project}
+
+if [ "$upstream_basedir" != "$upstream_dir" ]; then
+  git clone "$upstream_basedir" "$upstream_dir"
+fi
+
+if [ -n "$(git status --porcelain)" ]; then
+  echo "Error: working directory not clean"
+  exit 1
+fi
+
+if [ -n "$(git -C "$upstream_dir" status --porcelain)" ]; then
+  echo "Warning: working directory $upstream_dir not clean"
+fi
+
+base=$(git log -n 3 --format="%s" -- ${vendor_dir} | tee /dev/stderr | sed -nr '/^.*'${repo_org}.${repo_name}'@([0-9a-f]+)( .*)?$/{s//\1/;p;}' | head -n 1)
+
+original=$(git -C "$upstream_dir" rev-parse --verify HEAD)
+
+message=
+is_tag=
+
+for commit in $original; do
+  echo "Importing commit $commit"
+
+  rm -rf ${vendor_dir}
+  mkdir -p ${vendor_dir}
+
+  git clone "$upstream_dir" ${vendor_dir}
+
+  cmake -S${vendor_dir} -B${vendor_dir}/build
+
+  mv ${vendor_dir}/build/include/igraph_version.h src/vendor/
+
+  rm -rf ${vendor_dir}/.git ${vendor_dir}/.github ${vendor_dir}/doc ${vendor_dir}/examples ${vendor_dir}/fuzzing ${vendor_dir}/tests ${vendor_dir}/tools ${vendor_dir}/build
+
+  make -f Makefile-cigraph
+
+  R -q -e 'cpp11::cpp_register()'
+
+  # Always vendor tags
+  if [ $(git -C "$upstream_dir" describe --tags "$commit" | grep -c -- -) -eq 0 ]; then
+    message="vendor: Update vendored sources (tag $(git -C "$upstream_dir" describe --tags "$commit")) to ${repo_org}/${repo_name}@$commit"
+    is_tag=true
+    break
+  fi
+
+  if [ $(git status --porcelain -- ${vendor_base_dir} | wc -l) -gt 1 ]; then
+    message="vendor: Update vendored sources to ${repo_org}/${repo_name}@$commit"
+    break
+  fi
+done
+
+if [ "$message" = "" ]; then
+  echo "No changes."
+  git checkout -- ${vendor_base_dir}
+  rm -rf "$upstream_dir"
+  exit 0
+fi
+
+git add .
+
+(
+  echo "$message"
+  echo
+  git -C "$upstream_dir" log --first-parent --format="%s" ${base}..${commit} | tee /dev/stderr | sed -r 's%(#[0-9]+)%'${repo_org}/${repo_name}'\1%g'
+) | git commit --file /dev/stdin
+
+rm -rf "$upstream_dir"