Add scripts and templates for changelog generation

Signed-off-by: Nikolai Mishin <[email protected]>

scripts/changelog.tmpl

@@ -0,0 +1,62 @@
+{{- if index .NotesByType "upgrade-guide" }}
+{{range index .NotesByType "upgrade-guide" -}}
+{{ template "note" .}}
+{{ end -}}
+{{- end -}}
+
+{{- if index .NotesByType "breaking-change" }}
+BREAKING CHANGES:
+
+{{range index .NotesByType "breaking-change" -}}
+{{ template "note" .}}
+{{ end -}}
+{{- end -}}
+
+{{- if .NotesByType.note }}
+NOTES:
+
+{{range .NotesByType.note -}}
+{{ template "note" .}}
+{{ end -}}
+{{- end -}}
+
+{{- $features := combineTypes .NotesByType.feature (index .NotesByType "new-resource" ) (index .NotesByType "new-data-source") (index .NotesByType "new-guide") }}
+{{- if $features }}
+FEATURES:
+
+{{range $features | sort -}}
+{{ template "note" . }}
+{{ end -}}
+{{- end -}}
+
+{{- if .NotesByType.enhancement }}
+ENHANCEMENTS:
+
+{{range .NotesByType.enhancement | sort -}}
+{{ template "note" .}}
+{{ end -}}
+{{- end -}}
+
+{{- if .NotesByType.bug }}
+BUG FIXES:
+
+{{range .NotesByType.bug | sort -}}
+{{ template "note" . }}
+{{ end -}}
+{{- end -}}
+
+{{- if .NotesByType.internal }}
+INTERNAL:
+
+{{range .NotesByType.internal | sort -}}
+{{ template "note" . }}
+{{ end -}}
+{{- end -}}
+
+{{- if .NotesByType.dependency }}
+DEPENDENCIES:
+
+{{range .NotesByType.dependency | sort -}}
+{{ template "note" . }}
+{{ end -}}
+{{- end -}}

scripts/generate-changelog.sh

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+#!/bin/bash
+
+set -o errexit
+set -o nounset
+
+__dir="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+__parent="$(dirname "$__dir")"
+
+CHANGELOG_FILE_NAME="CHANGELOG.md"
+CHANGELOG_TMP_FILE_NAME="CHANGELOG.tmp"
+TARGET_SHA=$(git rev-parse HEAD)
+PREVIOUS_RELEASE_SHA=$(git rev-list -n 1 $(git describe --abbrev=0 --match='v*.*.*' --tags))
+
+if [ $TARGET_SHA == $PREVIOUS_RELEASE_SHA ]; then
+  echo "Nothing to do"
+  exit 0
+fi
+
+PREVIOUS_CHANGELOG=$(sed -n -e "/## $(git describe --abbrev=0 --match='v*.*.*' --tags | tr -d v)/,\$p" $__parent/$CHANGELOG_FILE_NAME)
+
+if [ -z "$PREVIOUS_CHANGELOG" ]
+then
+    echo "Unable to locate previous changelog contents."
+    exit 1
+fi
+
+CHANGELOG=$($(go env GOPATH)/bin/changelog-build -this-release $TARGET_SHA \
+                      -last-release $PREVIOUS_RELEASE_SHA \
+                      -git-dir $__parent \
+                      -entries-dir .changelog \
+                      -changelog-template $__dir/changelog.tmpl \
+                      -note-template $__dir/release-note.tmpl)
+
+if [ -z "$CHANGELOG" ]
+then
+    echo "No changelog generated."
+    exit 0
+fi
+
+rm -f $CHANGELOG_TMP_FILE_NAME
+
+sed -n -e "1{/## /p;}" $__parent/$CHANGELOG_FILE_NAME > $CHANGELOG_TMP_FILE_NAME
+echo "$CHANGELOG" >> $CHANGELOG_TMP_FILE_NAME
+echo >> $CHANGELOG_TMP_FILE_NAME
+echo "$PREVIOUS_CHANGELOG" >> $CHANGELOG_TMP_FILE_NAME
+
+cp $CHANGELOG_TMP_FILE_NAME $CHANGELOG_FILE_NAME
+
+rm $CHANGELOG_TMP_FILE_NAME
+
+echo "Successfully generated changelog."
+
+exit 0

scripts/release-note.tmpl

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+{{- define "note" -}}
+{{- if eq "new-guide" .Type -}}
+* **New Guide:** `{{.Body}}` ([#{{- .Issue -}}](https://github.com/tofuutils/tenv/issues/{{- .Issue -}}))
+{{- else if eq "upgrade-guide" .Type -}}
+{{.Body}}
+{{- else -}}
+* {{.Body}} ([#{{- .Issue -}}](https://github.com/tofuutils/tenv/issues/{{- .Issue -}}))
+{{- end -}}
+{{- end -}}