Linkify changelog (#46)

.github/workflows/linkify_changelog.yml

@@ -0,0 +1,20 @@
+name: Linkify Changelog
+
+on:
+  workflow_dispatch
+
+jobs:
+  linkify:
+    runs-on: ubuntu-latest
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v2
+    - name: Add links
+      run: python3 scripts/linkify_changelog.py CHANGELOG.md
+    - name: Commit
+      run: |
+          git config user.name github-actions
+          git config user.email github-actions@github.com
+          git add .
+          git commit -m "Linkify Changelog"
+          git push

CHANGELOG.md

@@ -4,7 +4,7 @@
 - Requires all crates from `arkworks-rs/algebra` to have version `v0.2.0` or greater.
 
 ### Features
-- #3 Add constraints for 
+- [\#3](https://github.com/arkworks-rs/curves/pull/3) Add constraints for
         `ark-bls12-377`,
         `ark-ed-on-bls12-377`,
         `ark-ed-on-bls12-381`,
@@ -17,16 +17,16 @@
         `ark-mnt6-298`,
         `ark-mnt4-753`,
         `ark-mnt6-753`.
-- #7 Add benchmarks for Edwards curves.
-- #19 Change field constants to be provided as normal strings, instead of in montgomery form.
+- [\#7](https://github.com/arkworks-rs/curves/pull/7) Add benchmarks for Edwards curves.
+- [\#19](https://github.com/arkworks-rs/curves/pull/19) Change field constants to be provided as normal strings, instead of in montgomery form.
 
 ### Improvements
-- #42 Remove the dependency of `rand_xorshift`.
+- [\#42](https://github.com/arkworks-rs/curves/pull/42) Remove the dependency of `rand_xorshift`.
 
 ### Bug fixes
-- #28 Fix broken documentation links.
-- #38 Compile with `panic='abort'` in release mode, for safety of the library across FFI boundaries.
-- #45 Fix `ark-ed-on-mnt4-753`.
+- [\#28](https://github.com/arkworks-rs/curves/pull/28) Fix broken documentation links.
+- [\#38](https://github.com/arkworks-rs/curves/pull/38) Compile with `panic='abort'` in release mode, for safety of the library across FFI boundaries.
+- [\#45](https://github.com/arkworks-rs/curves/pull/45) Fix `ark-ed-on-mnt4-753`.
 
 ## v0.1.0
 

scripts/linkify_changelog.py

@@ -0,0 +1,31 @@
+import re
+import sys
+import fileinput
+import os
+
+# Set this to the name of the repo, if you don't want it to be read from the filesystem.
+# It assumes the changelog file is in the root of the repo.
+repo_name = ""
+
+# This script goes through the provided file, and replaces any " \#<number>",
+# with the valid mark down formatted link to it. e.g.
+# " [\#number](https://github.com/arkworks-rs/template/pull/<number>)
+# Note that if the number is for a an issue, github will auto-redirect you when you click the link.
+# It is safe to run the script multiple times in succession. 
+#
+# Example usage $ python3 linkify_changelog.py ../CHANGELOG.md
+if len(sys.argv) < 2:
+    print("Must include path to changelog as the first argument to the script")
+    print("Example Usage: python3 linkify_changelog.py ../CHANGELOG.md")
+    exit()
+
+changelog_path = sys.argv[1]
+if repo_name == "":
+    path = os.path.abspath(changelog_path)
+    components = path.split(os.path.sep)
+    repo_name = components[-2]
+
+for line in fileinput.input(inplace=True):
+    line = re.sub(r"\- #([0-9]*)", r"- [\\#\1](https://github.com/arkworks-rs/" + repo_name + r"/pull/\1)", line.rstrip())
+    # edits the current file
+    print(line)