Commit Diff


commit - /dev/null
commit + 982910f0b124c2ce5a6585971ada14e8ae683399
blob - /dev/null
blob + 1c363d2841cdff3fecddc69509795cad4461aabf (mode 644)
--- /dev/null
+++ LICENCE
@@ -0,0 +1,14 @@
+BSD Zero Clause License
+
+Copyright (c) Alisdair MacLeod <copying@alisdairmacleod.co.uk>
+
+Permission to use, copy, modify, and/or distribute this software for any
+purpose with or without fee is hereby granted.
+
+THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
+REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
+INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
+OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+PERFORMANCE OF THIS SOFTWARE.
blob - /dev/null
blob + 21f548712e17e417f070b63988ed60d61e2c9ab2 (mode 644)
--- /dev/null
+++ README.md
@@ -0,0 +1,34 @@
+Bloggit
+=======
+
+Look, this was a wacky experiment.
+If you want to use this...why?
+
+The idea is that you write blog posts as git commits.
+Want to edit a post?
+Amend the commit.
+Simple.
+
+The Process
+-----------
+
+Bloggit reads the commit history from the git repository that it is run from.
+
+For each commit that has a "title" and "body" in the format:
+```text
+This is a title
+
+This is the body.
+It can be many lines.
+```
+The "body" gets parsed as Markdown into HTML.
+Then the following fields get passed to a template file (which MUST be called `commit.tmpl`):
+- `{{.Title}}`
+- `{{.Body}}`
+- `{{.Date}}` (this is the commit date)
+- `{{.Filename}}` (see below)
+
+Filenames of output files are the commit hash, with the `.html` extension appended.
+
+Once the commits have all be parsed and the output files generated an index file is created from a separate template file (which MUST be called `index.tmpl`).
+This file is passed a slice of objects that follow the commit template style outlined above.
blob - /dev/null
blob + 5d93f3f499749c73dc5f4fec2c2931a845366b97 (mode 644)
--- /dev/null
+++ bloggit.go
@@ -0,0 +1,116 @@
+// Copyright (c) Alisdair MacLeod <copying@alisdairmacleod.co.uk>
+//
+// Permission to use, copy, modify, and/or distribute this software for any
+// purpose with or without fee is hereby granted.
+//
+// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
+// REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+// AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
+// INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+// LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
+// OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+// PERFORMANCE OF THIS SOFTWARE.
+
+package main
+
+import (
+	"fmt"
+	"html/template"
+	"os"
+	"time"
+)
+
+type post struct {
+	Filename string
+	Title    string
+	Body     template.HTML
+	Date     time.Time
+}
+
+type commitErr struct {
+	Hash string
+	Err  error
+}
+
+func (err *commitErr) Error() string {
+	return fmt.Sprintf("%s: %v", err.Hash, err.Err.Error())
+}
+
+func (err *commitErr) Unwrap() error {
+	return err.Err
+}
+
+func main() {
+	if err := run(); err != nil {
+		_, printErr := fmt.Fprintf(os.Stderr, "Bloggit encountered an error: %v", err)
+		if printErr != nil {
+			panic(printErr)
+		}
+	}
+}
+
+func run() (err error) {
+	templates, err := template.ParseFiles("commit.tmpl", "index.tmpl")
+	if err != nil {
+		return fmt.Errorf("parse templates: %w", err)
+	}
+	log, err := gitLog(".")
+	if err != nil {
+		return fmt.Errorf("git log: %w", err)
+	}
+	var commits []post
+	err = log.ForEach(func(c *gitCommit) (err error) {
+		// Ignore commits without a body
+		if c.Body == "" {
+			return nil
+		}
+		filename := c.Hash + ".html"
+		f, err := os.Create(filename)
+		if err != nil {
+			return fmt.Errorf("open commit post file: %w", &commitErr{
+				Hash: c.Hash,
+				Err:  err,
+			})
+		}
+		defer func() {
+			err = f.Close()
+		}()
+		htmlBody, err := markdown.Convert([]byte(c.Body))
+		if err != nil {
+			return fmt.Errorf("convert commit body from markdown: %w", &commitErr{
+				Hash: c.Hash,
+				Err:  err,
+			})
+		}
+		commitData := post{
+			Filename: filename,
+			Title:    c.Title,
+			Body:     template.HTML(htmlBody),
+			Date:     c.Date,
+		}
+		err = templates.ExecuteTemplate(f, "commit.tmpl", commitData)
+		if err != nil {
+			return fmt.Errorf("write commit post file: %w", &commitErr{
+				Hash: c.Hash,
+				Err:  err,
+			})
+		}
+		commits = append(commits, commitData)
+		return nil
+	})
+	if err != nil {
+		return fmt.Errorf("iterate git log: %w", err)
+	}
+	f, err := os.Create("index.html")
+	if err != nil {
+		return fmt.Errorf("open index file: %w", err)
+	}
+	defer func() {
+		err = f.Close()
+	}()
+	err = templates.ExecuteTemplate(f, "index.tmpl", commits)
+	if err != nil {
+		return fmt.Errorf("write index file: %w", err)
+	}
+	return nil
+}
blob - /dev/null
blob + b24ff389ce42c6552d58f9517696806516d7c116 (mode 644)
--- /dev/null
+++ git.go
@@ -0,0 +1,66 @@
+// Copyright (c) Alisdair MacLeod <copying@alisdairmacleod.co.uk>
+//
+// Permission to use, copy, modify, and/or distribute this software for any
+// purpose with or without fee is hereby granted.
+//
+// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
+// REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+// AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
+// INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+// LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
+// OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+// PERFORMANCE OF THIS SOFTWARE.
+
+package main
+
+import (
+	"fmt"
+	"strings"
+	"time"
+
+	"github.com/go-git/go-git/v5"
+	"github.com/go-git/go-git/v5/plumbing/object"
+)
+
+type log struct {
+	iter object.CommitIter
+}
+
+type gitCommit struct {
+	Hash  string
+	Title string
+	Body  string
+	Date  time.Time
+}
+
+func gitLog(repositoryPath string) (*log, error) {
+	repo, err := git.PlainOpenWithOptions(repositoryPath, &git.PlainOpenOptions{DetectDotGit: true})
+	if err != nil {
+		return nil, fmt.Errorf("open git repository: %w", err)
+	}
+	commitIter, err := repo.Log(&git.LogOptions{Order: git.LogOrderCommitterTime})
+	if err != nil {
+		return nil, fmt.Errorf("log commits: %w", err)
+	}
+	return &log{iter: commitIter}, nil
+}
+
+func (l *log) ForEach(fn func(c *gitCommit) error) error {
+	return l.iter.ForEach(func(gc *object.Commit) error {
+		var title, body string
+		message := strings.SplitN(gc.Message, "\n\n", 2)
+		if len(message) > 0 {
+			title = message[0]
+		}
+		if len(message) > 1 {
+			body = message[1]
+		}
+		c := &gitCommit{
+			Hash:  gc.Hash.String(),
+			Title: title,
+			Body:  body,
+			Date:  gc.Author.When,
+		}
+		return fn(c)
+	})
+}
blob - /dev/null
blob + 5222119b7c43cbf805e3ec65de73777b4ac1dca9 (mode 644)
--- /dev/null
+++ go.mod
@@ -0,0 +1,29 @@
+module github.com/amacleod/bloggit
+
+go 1.17
+
+require (
+	github.com/go-git/go-git/v5 v5.4.2
+	github.com/yuin/goldmark v1.4.4
+)
+
+require (
+	github.com/Microsoft/go-winio v0.4.16 // indirect
+	github.com/ProtonMail/go-crypto v0.0.0-20210428141323-04723f9f07d7 // indirect
+	github.com/acomagu/bufpipe v1.0.3 // indirect
+	github.com/emirpasic/gods v1.12.0 // indirect
+	github.com/go-git/gcfg v1.5.0 // indirect
+	github.com/go-git/go-billy/v5 v5.3.1 // indirect
+	github.com/imdario/mergo v0.3.12 // indirect
+	github.com/jbenet/go-context v0.0.0-20150711004518-d14ea06fba99 // indirect
+	github.com/kevinburke/ssh_config v0.0.0-20201106050909-4977a11b4351 // indirect
+	github.com/mitchellh/go-homedir v1.1.0 // indirect
+	github.com/sergi/go-diff v1.1.0 // indirect
+	github.com/xanzy/ssh-agent v0.3.0 // indirect
+	golang.org/x/crypto v0.0.0-20220112180741-5e0467b6c7ce // indirect
+	golang.org/x/net v0.0.0-20220111093109-d55c255bac03 // indirect
+	golang.org/x/sys v0.0.0-20211019181941-9d821ace8654 // indirect
+	golang.org/x/term v0.0.0-20210220032956-6a3ed077a48d // indirect
+	golang.org/x/text v0.3.7 // indirect
+	gopkg.in/warnings.v0 v0.1.2 // indirect
+)
blob - /dev/null
blob + 89511e7500936e136423c0c57eb89548993707c3 (mode 644)
--- /dev/null
+++ go.sum
@@ -0,0 +1,108 @@
+github.com/Microsoft/go-winio v0.4.14/go.mod h1:qXqCSQ3Xa7+6tgxaGTIe4Kpcdsi+P8jBhyzoq1bpyYA=
+github.com/Microsoft/go-winio v0.4.16 h1:FtSW/jqD+l4ba5iPBj9CODVtgfYAD8w2wS923g/cFDk=
+github.com/Microsoft/go-winio v0.4.16/go.mod h1:XB6nPKklQyQ7GC9LdcBEcBl8PF76WugXOPRXwdLnMv0=
+github.com/ProtonMail/go-crypto v0.0.0-20210428141323-04723f9f07d7 h1:YoJbenK9C67SkzkDfmQuVln04ygHj3vjZfd9FL+GmQQ=
+github.com/ProtonMail/go-crypto v0.0.0-20210428141323-04723f9f07d7/go.mod h1:z4/9nQmJSSwwds7ejkxaJwO37dru3geImFUdJlaLzQo=
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blob - /dev/null
blob + ed55275c8e7d132096109fa8668ac6b1bc3f0833 (mode 644)
--- /dev/null
+++ markdown.go
@@ -0,0 +1,36 @@
+// Copyright (c) Alisdair MacLeod <copying@alisdairmacleod.co.uk>
+//
+// Permission to use, copy, modify, and/or distribute this software for any
+// purpose with or without fee is hereby granted.
+//
+// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
+// REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+// AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
+// INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+// LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
+// OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+// PERFORMANCE OF THIS SOFTWARE.
+
+package main
+
+import (
+	"bytes"
+	"fmt"
+
+	"github.com/yuin/goldmark"
+)
+
+type md struct {
+	converter goldmark.Markdown
+}
+
+var markdown = &md{converter: goldmark.New()}
+
+func (m *md) Convert(in []byte) ([]byte, error) {
+	var buf bytes.Buffer
+	err := m.converter.Convert(in, &buf)
+	if err != nil {
+		return nil, fmt.Errorf("convert from markdown: %w", err)
+	}
+	return buf.Bytes(), nil
+}