Add citation.cff

CITATION.cff

@@ -0,0 +1,20 @@
+# YAML 1.2
+---
+cff-version: "1.1.0"
+message: |
+  If you use this software, please cite it using these metadata.
+  The library has its own CITATION.cff file in lib/.
+
+title: Watchexec (command-line tool)
+version: 1.17.0
+date-released: 2021-07-22
+
+repository-code: https://github.com/watchexec/watchexec
+license: Apache-2.0
+
+authors:
+  - family-names: Green
+    given-names: Matt
+  - family-names: Saparelli
+    given-names: Félix
+...

bin/cli-version

@@ -43,6 +43,8 @@ echo "Next version to be $newver ($date), creating..."
 sed -E -i "s/version=\"$extver.0\"/version=\"$newver.0\"/1" cli/watchexec.exe.manifest
 sed -E -i "s/watchexec(.exe)? $extver/watchexec\1 $newver/" cli/tests/snapshots/help__*
 sed -E -i "s/^version = \"$extver\"/version = \"$newver\"/1" cli/Cargo.toml
+sed -E -i "s/^version: \"$extver\"/version: \"$newver\"/1" CITATION.cff
+sed -E -i "s/^date-released: .+$/date-released: $date/1" CITATION.cff
 
 cargo check
 

bin/lib-version

@@ -41,6 +41,8 @@ date=$(date +%Y-%m-%d)
 echo "Next version to be $newver ($date), creating..."
 
 sed -E -i "s/^version = \"$extver\"/version = \"$newver\"/1" lib/Cargo.toml
+sed -E -i "s/^version: \"$extver\"/version: \"$newver\"/1" lib/CITATION.cff
+sed -E -i "s/^date-released: .+$/date-released: $date/1" lib/CITATION.cff
 
 cargo check
 

lib/CITATION.cff

@@ -0,0 +1,20 @@
+# YAML 1.2
+---
+cff-version: "1.1.0"
+message: |
+  If you use this software, please cite it using these metadata.
+  The command-line tool has its own CITATION.cff file.
+
+title: Watchexec (library)
+version: 1.17.1
+date-released: 2021-07-22
+
+repository-code: https://github.com/watchexec/watchexec
+license: Apache-2.0
+
+authors:
+  - family-names: Green
+    given-names: Matt
+  - family-names: Saparelli
+    given-names: Félix
+...