commit 982910f0b124c2ce5a6585971ada14e8ae683399 from: amacleod date: Fri Jan 19 21:00:34 2024 UTC Initial commit 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 + +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 +// +// 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 +// +// 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 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h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= +gopkg.in/yaml.v2 v2.3.0 h1:clyUAQHOM3G0M3f5vQj7LuJrETvjVot3Z5el9nffUtU= +gopkg.in/yaml.v2 v2.3.0/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= +gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c h1:dUUwHk2QECo/6vqA44rthZ8ie2QXMNeKRTHCNY2nXvo= +gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM= blob - /dev/null blob + ed55275c8e7d132096109fa8668ac6b1bc3f0833 (mode 644) --- /dev/null +++ markdown.go @@ -0,0 +1,36 @@ +// Copyright (c) Alisdair MacLeod +// +// 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 +}