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nigel.stanger / gradle-lectures

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0 parent commit c948355b6a8dd4f53c2e6f663e83677979554440 Nigel Stanger authored on 18 Mar 2022

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# Gradle build infrastructure for lectures Gradle infrastructure to build Information Science lectures. Features: * multiple configurable document targets: slides, handout, notes, examples * dynamic targets for building PDF images from PlantUML, SVG, R This repository serves as both the canonical source for the Gradle files and as an example of how to set things up. ## Setting up a new set of lectures 1. Create a top level `lectures` directory. 2. Create a sub-directory for each lecture, e.g., `lecture1`, `lecture2`, …. 3. Copy `build.gradle.kts` and `settings.gradle.kts` into `lectures`. 4. Create an empty `settings.gradle.kts` in `lecture1`, `lecture2`, etc. 5. Copy `lecture.gradle.kts` into `lecture1`, `lecture2`, etc. 6. Edit each `lecture.gradle.kts` to configure targets and images. ## Standard lecture directory tree ```sh lectures lecture1 images pdfs lecture2 ... ```

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/*********************************************************************** * CONFIGURABLE SETTINGS * * Override the following values in lecture.gradle.kts. * In most cases simply adding a modified copy of the original line * should do what you need. Most collections are sets to avoid accidental * duplication. You can append to an existing set value by doing something * like this (e.g.): * * extra["latexFlags"] = (extra["latexFlags"] as Set<String>) + "--barf" *********************************************************************/ /********************************************************************* * Supported targets (unnumbered documents). * Remove any targets that don't exist for this lecture. * New targets must be registered in lecture.gradle.kts. * The target list for numbered documents is automatically derived from * this (see below). / val docTargets by extra(mutableSetOf<String>( "slides", "handout", "notes", "examples" )) /********************************************************************** * Command line options for LaTeX. This is a set, so duplicates will be * automatically eliminated. / val latexFlags by extra(mutableSetOf<String>( "-shell-escape", "-synctex=1", "-interaction=nonstopmode", "-halt-on-error", "-file-line-error" )) /********************************************************************** * Standard document names (unnumbered). The keys are mostly the Gradle * target names in docTargets, plus "content". / val docNames by extra(mutableMapOf<String, String>( "content" to "lecture_content", "slides" to "lecture_slides", "handout" to "lecture_handout", "notes" to "lecture_notes", "examples" to "lecture_examples" )) /********************************************************************** * Lecture number, derived from the project name (assumes the project * folder is named something like "01_Lecture_Title"). / val lectureNum by extra(project.name.substring(0, 2)) /********************************************************************** * Name of subdirectory in which images are kept. / val imageDir by extra(layout.projectDirectory.dir("images")) /********************************************************************** * Name of subdirectory to which numbered PDFs will be written. Originally * These were written into the project directory, but it seemed to completely * confuse Gradle into thinking that all the input files in the project * has been touched and it yelled about implicit task dependencies. See * <https://docs.gradle.org/7.3.1/userguide/validation_problems.html#implicit_dependency>. / val pdfDir by extra(layout.projectDirectory.dir("pdfs")) /********************************************************************** * Images and files used by the slides, handout, and notes documents. * Images will be automatically mapped to imageDir (above). / val slidesImages by extra(mutableSetOf<String>()) val slidesFiles by extra(mutableSetOf<String>( "${docNames["content"]}.tex", "paper_init.tex", "lecturedates.tex", "doc_init.tex" )) /********************************************************************** * Images and files used by the examples document. * Images will be automatically mapped to imageDir (above). / val examplesImages by extra(mutableSetOf<String>()) val examplesFiles by extra(mutableSetOf<String>( "${docNames["examples"]}.tex", "paper_init.tex", "lecturedates.tex", "doc_init.tex" )) /********************************************************************** * Images that are generated from another format. * Key is the target image, value is the source image. * All images will be mapped to imageDir (above). / val generatedImages by extra(mutableMapOf<String, String>()) /********************************************************************** * Files and directories to be removed by the clean task. * Directories are separate because FileTree only stores files :(. / val cleanFiles by extra(mutableSetOf<String>( ".aux", ".dvi", ".fdb_latexmk", ".fls", ".head", ".listing", ".log", ".nav", ".out", ".pyg", ".snm", ".synctex.gz", ".tmp", ".toc", ".vrb", ".xdv" )) // These are regular expressions, NOT glob patterns. val cleanDirs by extra(mutableSetOf<String>( """_minted.""", )) /*********************************************************************** * END OF CONFIGURABLE SETTINGS *********************************************************************/ apply(from = file("lecture.gradle.kts")) /********************************************************************* * Supported targets (numbered documents). * Automatically derived from docTargets. / val numberedTargets by extra(docTargets.map { it + ".numbered" }) /********************************************************************** * Standard document names (unnumbered). * Automatically derived from docNames. / val numberedNames by extra(docNames.mapValues { pair -> pair.value.replace("_", "_${lectureNum}_") }) /********************************************************************** * Document dependencies. * Automatically derived from slidesImages, slidesFiles, examplesImages, * and examplesFiles. Images are mapped to imageDir. * The slides, handout, and notes will always share the same dependencies. * Only the examples will be different. / val slideDependencies by extra(slidesImages.map { "${imageDir}/${it}" } + slidesFiles) val docDependencies by extra(mapOf<String, List<String>>( "slides" to slideDependencies, "handout" to slideDependencies, "notes" to slideDependencies, "examples" to examplesImages.map { "${imageDir}/${it}" } + examplesFiles )) /********************************************************************** * LaTeX plugin configuration. / plugins { // https://plugins.gradle.org/plugin/org.danilopianini.gradle-latex id("org.danilopianini.gradle-latex") version "0.2.7" // as of 2021-12-02 // for debugging task dependencies // https://plugins.gradle.org/plugin/org.barfuin.gradle.taskinfo // id("org.barfuin.gradle.taskinfo") version "1.3.1" } latex { pdfLatexCommand.set("xelatex") // Generate LaTeX build tasks for each of the targets. docTargets.forEach { target -> "${docNames[target]}" { extraArguments = latexFlags watching = docDependencies[target] as List<String> } } } // Add image task dependencies to the generated LaTeX tasks. // No need to check whether there are any generated images, Gradle does // the right thing if the list is empty. tasks.matching { it.name.startsWith("pdfLatex") }.forEach { it.dependsOn(tasks.matching { task -> task.name.startsWith("images.") }) } /********************************************************************** * Tasks. / defaultTasks("docs", "numbered") // All unnumbered documents. tasks.register("docs") { dependsOn(docTargets) description = "Build all documents." } // Generate tasks for each of the unnumbered document targets. (docTargets as Set<String>).forEach { target -> tasks.register(target) { dependsOn("pdfLatex.${docNames[target]}") description = "Build ${target} document." } } // All numbered documents. tasks.register("numbered") { dependsOn(numberedTargets) description = "Create numbered versions of all documents." } / Generate tasks for each of the numbered document targets. * Slight oddity: numberedTargets is a List not a Set because it's * generated by a map() call. It's not normally configurable, so OK. / (numberedTargets as List<String>).forEach { target -> tasks.register<Copy>(target) { val plainTarget = target.replace(".numbered", "") from(tasks.getByName("pdfLatex.${docNames[plainTarget]}")) into(pdfDir) // The LaTeX tasks include the .aux file in their outputs. // Exclude or they will also be copied into the PDFs directory. exclude(".aux") rename { src -> src.replace("_", "_${lectureNum}_") } description = "Build numbered version of ${plainTarget} document." } } // All generated images. tasks.register("images") { dependsOn(tasks.matching { it.name.startsWith("images.") }) description = "Generate images" } // Find folders matching regular expression. // Adapted from <https://gist.github.com/Ethsaam/2b8dd748fcc25e6973bb>. fun getListOfFolders(dir: Directory, pattern: String): Collection<File> { return dir.getAsFile().listFiles({ file -> file.isDirectory() && file.name.matches(Regex(pattern)) }).toList() } // Remove files specified in cleanFiles and directories specified // in cleanDirs. tasks.register<Delete>("clean") { description = "Clean up intermediate files." delete(fileTree(layout.projectDirectory) { include(cleanFiles) }) cleanDirs.forEach { pattern -> delete(getListOfFolders(layout.projectDirectory, pattern)) } } // Remove everything not under version control. This includes the .gradle // directory. tasks.register<Exec>("deepClean") { description = "Remove all files not in Git." commandLine("git", "clean", "-fXd") } /*********************************************************************** * Per-file tasks to convert images. * By default these assume single-file inputs, e.g., foo.svg -> foo.pdf. * If you have a file that is dependent on multiple inputs (e.g., * bar.pu -> foo.pu -> foo.pdf), register an independent task in * lecture.gradle.kts by copying the corresponding registration code * below, substituting the actual filenames in place of the variable * references like key and generatedImages[key]. Also remove the file * from generatedImages to avoid a name clash. You can access properties * like imageDir via project.properties (these will probably need explicit * type casting). / // Generate per-file tasks to convert PlantUML to PDF. generatedImages.filterValues { it.matches(Regex(""".\.(pu\|puml\|plantuml)$""")) }.filterKeys { it.matches(Regex(""".\.pdf$""")) }.keys .forEach { key -> val dst = imageDir.file(key) val src = imageDir.file(generatedImages[key]) tasks.register<Exec>("images.${key}") { // set working directory to imageDir so that relative includes work workingDir(imageDir) inputs.files(src) outputs.files(dst) // JAVA_TOOL_OPTIONS stops Java from stealing focus on macOS. environment("JAVA_TOOL_OPTIONS", "-Djava.awt.headless=true") // Direct PDF from PlantUML is problematic, go via SVG instead. commandLine( "bash", "-c", "plantuml -tsvg -pipe < ${src} \| inkscape --pipe --export-area-drawing --export-text-to-path --export-type=pdf --export-filename=${dst}" ) description = "Generate ${key} from ${generatedImages[key]}." } // Every PDF generation will have a different hash, so only run the // task if the input is newer than the output. tasks.getByPath("images.${key}").onlyIf { src.getAsFile().lastModified() > dst.getAsFile().lastModified() } } // Generate per-file tasks to convert SVG to PDF. generatedImages.filterValues { it.matches(Regex(""".\.svg$""")) }.filterKeys { it.matches(Regex(""".\.pdf$""")) }.keys .forEach { key -> val dst = imageDir.file(key) val src = imageDir.file(generatedImages[key]) tasks.register<Exec>("images.${key}") { inputs.files(src) outputs.files(dst) commandLine( "bash", "-c", "inkscape --export-area-drawing --export-text-to-path --export-type=pdf --export-filename=${dst} ${src}" ) description = "Generate ${key} from ${generatedImages[key]}." } // Every PDF generation will have a different hash, so only run the // task if the input is newer than the output. tasks.getByPath("images.${key}").onlyIf { src.getAsFile().lastModified() > dst.getAsFile().lastModified() } } // Generate per-file tasks to convert R to PDF. generatedImages.filterValues { it.matches(Regex(""".\.R$""")) }.filterKeys { it.matches(Regex(""".*\.pdf$""")) }.keys .forEach { key -> val dst = imageDir.file(key) val src = imageDir.file(generatedImages[key]) tasks.register<Exec>("images.${key}") { val cropped = imageDir.file(key.replace(".pdf", "-crop.pdf")) inputs.files(src) outputs.files(dst) commandLine( "bash", "-c", "R --no-echo --file=${src} --args ${dst} && pdfcrop ${dst} ${cropped} && mv -f ${cropped} ${dst}" ) description = "Generate ${key} from ${generatedImages[key]}." } // Every PDF generation will have a different hash, so only run the // task if the input is newer than the output. tasks.getByPath("images.${key}").onlyIf { src.getAsFile().lastModified() > dst.getAsFile().lastModified() } } // Debugging information. tasks.register("debug") { description = "Print debugging information." doLast { println("project name = <${project.name}>") println("project directory = <${layout.projectDirectory}>") // println("project.properties = <${project.properties}>") println("docTargets = <${docTargets}>") println("numberedTargets = <${numberedTargets}>") println("lectureNum = <${lectureNum}>") println("imageDir = <${imageDir}>") println("docNames = <${docNames}>") println("numberedNames = <${numberedNames}>") println("slidesImages = <${slidesImages}>") println("slidesFiles = <${slidesFiles}>") println("examplesImages = <${examplesImages}>") println("examplesFiles = <${examplesFiles}>") println("docDependencies = <${docDependencies}>") println("generatedImages = <${generatedImages}>") println("latexFlags = <${latexFlags}>") println("latex.terminalEmulator = <${project.latex.terminalEmulator.get()}>") println("latex.waitTime = <${project.latex.waitTime.get()}>") println("latex.waitUnit = <${project.latex.waitUnit.get()}>") println("latex.pdfLatexCommand = <${project.latex.pdfLatexCommand.get()}>") println("latex.bibTexCommand = <${project.latex.bibTexCommand.get()}>") println("latex.inkscapeCommand = <${project.latex.inkscapeCommand.get()}>") println("latex.gitLatexdiffCommand = <${project.latex.gitLatexdiffCommand.get()}>") // tasks.matching { it.name.startsWith("pdfLatex") }.forEach { // println("${it}, ${it.property("artifact")}") // } // tasks.forEach { // println(it) // println("inputs: ${it.getInputs().getFiles().getFiles()}") // println("outputs: ${it.getOutputs().getFiles().getFiles()}") // } } }

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build.gradle.kts 0 → 100644

/***********************************************************************
 * CONFIGURABLE SETTINGS
 *
 * Override the following values in lecture.gradle.kts.
 * In most cases simply adding a modified copy of the original line
 * should do what you need. Most collections are sets to avoid accidental
 * duplication. You can append to an existing set value by doing something
 * like this (e.g.):
 * 
 * extra["latexFlags"] = (extra["latexFlags"] as Set<String>) + "--barf"
 ***********************************************************************/

/***********************************************************************
 * Supported targets (unnumbered documents).
 * Remove any targets that don't exist for this lecture.
 * New targets must be registered in lecture.gradle.kts.
 * The target list for numbered documents is automatically derived from
 * this (see below).
 */
val docTargets by extra(mutableSetOf<String>(
    "slides",
    "handout",
    "notes",
    "examples"
))

/***********************************************************************
 * Command line options for LaTeX. This is a set, so duplicates will be
 * automatically eliminated.
 */
val latexFlags by extra(mutableSetOf<String>(
    "-shell-escape",
    "-synctex=1",
    "-interaction=nonstopmode",
    "-halt-on-error",
    "-file-line-error"
))

/***********************************************************************
 * Standard document names (unnumbered). The keys are mostly the Gradle
 * target names in docTargets, plus "content".
 */
val docNames by extra(mutableMapOf<String, String>(
    "content" to "lecture_content",
    "slides" to "lecture_slides",
    "handout" to "lecture_handout",
    "notes" to "lecture_notes",
    "examples" to "lecture_examples"
))

/***********************************************************************
 * Lecture number, derived from the project name (assumes the project
 * folder is named something like "01_Lecture_Title").
 */
val lectureNum by extra(project.name.substring(0, 2))

/***********************************************************************
 * Name of subdirectory in which images are kept.
 */
val imageDir by extra(layout.projectDirectory.dir("images"))

/***********************************************************************
 * Name of subdirectory to which numbered PDFs will be written. Originally
 * These were written into the project directory, but it seemed to completely
 * confuse Gradle into thinking that all the input files in the project
 * has been touched and it yelled about implicit task dependencies. See
 * <https://docs.gradle.org/7.3.1/userguide/validation_problems.html#implicit_dependency>.
 */
val pdfDir by extra(layout.projectDirectory.dir("pdfs"))

/***********************************************************************
 * Images and  files used by the slides, handout, and notes documents.
 * Images will be automatically mapped to imageDir (above).
 */
val slidesImages by extra(mutableSetOf<String>())
val slidesFiles by extra(mutableSetOf<String>(
    "${docNames["content"]}.tex",
    "paper_init.tex",
    "lecturedates.tex",
    "doc_init.tex"
))

/***********************************************************************
 * Images and files used by the examples document.
 * Images will be automatically mapped to imageDir (above).
 */
val examplesImages by extra(mutableSetOf<String>())
val examplesFiles by extra(mutableSetOf<String>(
    "${docNames["examples"]}.tex",
    "paper_init.tex",
    "lecturedates.tex",
    "doc_init.tex"
))

/***********************************************************************
 * Images that are generated from another format.
 * Key is the target image, value is the source image.
 * All images will be mapped to imageDir (above).
 */
val generatedImages by extra(mutableMapOf<String, String>())

/***********************************************************************
 * Files and directories to be removed by the clean task.
 * Directories are separate because FileTree only stores files :(.
 */
val cleanFiles by extra(mutableSetOf<String>(
    "*.aux",
    "*.dvi",
    "*.fdb_latexmk",
    "*.fls",
    "*.head",
    "*.listing",
    "*.log",
    "*.nav",
    "*.out",
    "*.pyg",
    "*.snm",
    "*.synctex.gz",
    "*.tmp",
    "*.toc",
    "*.vrb",
    "*.xdv"
))
// These are regular expressions, NOT glob patterns.
val cleanDirs by extra(mutableSetOf<String>(
    """_minted.*""",
))

/***********************************************************************
 * END OF CONFIGURABLE SETTINGS
 ***********************************************************************/

apply(from = file("lecture.gradle.kts"))

/***********************************************************************
 * Supported targets (numbered documents).
 * Automatically derived from docTargets.
 */
val numberedTargets by extra(docTargets.map { it + ".numbered" })

/***********************************************************************
 * Standard document names (unnumbered).
 * Automatically derived from docNames.
 */
val numberedNames by extra(docNames.mapValues { pair -> pair.value.replace("_", "_${lectureNum}_") })

/***********************************************************************
 * Document dependencies.
 * Automatically derived from slidesImages, slidesFiles, examplesImages,
 * and examplesFiles. Images are mapped to imageDir.
 * The slides, handout, and notes will always share the same dependencies.
 * Only the examples will be different.
 */
val slideDependencies by extra(slidesImages.map { "${imageDir}/${it}" } + slidesFiles)
val docDependencies by extra(mapOf<String, List<String>>(
    "slides" to slideDependencies,
    "handout" to slideDependencies,
    "notes" to slideDependencies,
    "examples" to examplesImages.map { "${imageDir}/${it}" } + examplesFiles
))

/***********************************************************************
 * LaTeX plugin configuration.
 */
plugins {
    // https://plugins.gradle.org/plugin/org.danilopianini.gradle-latex
    id("org.danilopianini.gradle-latex") version "0.2.7" // as of 2021-12-02

// for debugging task dependencies
    // https://plugins.gradle.org/plugin/org.barfuin.gradle.taskinfo
    // id("org.barfuin.gradle.taskinfo") version "1.3.1"
}

latex {
    pdfLatexCommand.set("xelatex")
    // Generate LaTeX build tasks for each of the targets.
    docTargets.forEach { target ->
        "${docNames[target]}" {
            extraArguments = latexFlags
            watching = docDependencies[target] as List<String>
        }
    }
}

// Add image task dependencies to the generated LaTeX tasks.
// No need to check whether there are any generated images, Gradle does
// the right thing if the list is empty.
tasks.matching { it.name.startsWith("pdfLatex") }.forEach {
    it.dependsOn(tasks.matching { task -> task.name.startsWith("images.") })
}

/***********************************************************************
 * Tasks.
 */
defaultTasks("docs", "numbered")

// All unnumbered documents.
tasks.register("docs") {
    dependsOn(docTargets)
    description = "Build all documents."
}

// Generate tasks for each of the unnumbered document targets.
(docTargets as Set<String>).forEach {
    target -> tasks.register(target) {
        dependsOn("pdfLatex.${docNames[target]}")
        description = "Build ${target} document."
    }
}

// All numbered documents.
tasks.register("numbered") {
    dependsOn(numberedTargets)
    description = "Create numbered versions of all documents."
}

/* Generate tasks for each of the numbered document targets.
 * Slight oddity: numberedTargets is a List not a Set because it's
 * generated by a map() call. It's not normally configurable, so OK.
 */
(numberedTargets as List<String>).forEach {
    target -> tasks.register<Copy>(target) {
        val plainTarget = target.replace(".numbered", "")
        from(tasks.getByName("pdfLatex.${docNames[plainTarget]}"))
        into(pdfDir)
        // The LaTeX tasks include the .aux file in their outputs.
        // Exclude or they will also be copied into the PDFs directory.
        exclude("*.aux")
        rename { src ->  src.replace("_", "_${lectureNum}_") }
        description = "Build numbered version of ${plainTarget} document."
    }
}

// All generated images.
tasks.register("images") {
    dependsOn(tasks.matching { it.name.startsWith("images.") })
    description = "Generate images"
}

// Find folders matching regular expression.
// Adapted from <https://gist.github.com/Ethsaam/2b8dd748fcc25e6973bb>.
fun getListOfFolders(dir: Directory, pattern: String): Collection<File> {
    return dir.getAsFile().listFiles({ file -> file.isDirectory() && file.name.matches(Regex(pattern)) }).toList()
}

// Remove files specified in cleanFiles and directories specified
// in cleanDirs.
tasks.register<Delete>("clean") {
    description = "Clean up intermediate files."
    delete(fileTree(layout.projectDirectory) { include(cleanFiles) })
    cleanDirs.forEach { pattern ->
        delete(getListOfFolders(layout.projectDirectory, pattern))
    }
}

// Remove everything not under version control. This includes the .gradle
// directory.
tasks.register<Exec>("deepClean") {
    description = "Remove all files not in Git."
    commandLine("git", "clean", "-fXd")
}

/***********************************************************************
 * Per-file tasks to convert images.
 * By default these assume single-file inputs, e.g., foo.svg -> foo.pdf.
 * If you have a file that is dependent on multiple inputs (e.g.,
 * bar.pu -> foo.pu -> foo.pdf), register an independent task in
 * lecture.gradle.kts by copying the corresponding registration code
 * below, substituting the actual filenames in place of the variable
 * references like key and generatedImages[key]. Also remove the file
 * from generatedImages to avoid a name clash. You can access properties
 * like imageDir via project.properties (these will probably need explicit
 * type casting).
 */

// Generate per-file tasks to convert PlantUML to PDF.
generatedImages.filterValues {
        it.matches(Regex(""".*\.(pu|puml|plantuml)$"""))
    }.filterKeys {
        it.matches(Regex(""".*\.pdf$"""))
    }.keys
    .forEach { key ->
        val dst = imageDir.file(key)
        val src = imageDir.file(generatedImages[key])
        tasks.register<Exec>("images.${key}") {
            // set working directory to imageDir so that relative includes work
            workingDir(imageDir)
            inputs.files(src)
            outputs.files(dst)
            // JAVA_TOOL_OPTIONS stops Java from stealing focus on macOS.
            environment("JAVA_TOOL_OPTIONS", "-Djava.awt.headless=true")
            // Direct PDF from PlantUML is problematic, go via SVG instead.
            commandLine(
                "bash",
                "-c",
                "plantuml -tsvg -pipe < ${src} | inkscape --pipe --export-area-drawing --export-text-to-path --export-type=pdf --export-filename=${dst}"
            )
            description = "Generate ${key} from ${generatedImages[key]}."
        }
        // Every PDF generation will have a different hash, so only run the
        // task if the input is newer than the output.
        tasks.getByPath("images.${key}").onlyIf { src.getAsFile().lastModified() > dst.getAsFile().lastModified() }
    }

// Generate per-file tasks to convert SVG to PDF.
generatedImages.filterValues {
        it.matches(Regex(""".*\.svg$"""))
    }.filterKeys {
        it.matches(Regex(""".*\.pdf$"""))
    }.keys
    .forEach { key ->
        val dst = imageDir.file(key)
        val src = imageDir.file(generatedImages[key])
        tasks.register<Exec>("images.${key}") {
            inputs.files(src)
            outputs.files(dst)
            commandLine(
                "bash",
                "-c",
                "inkscape --export-area-drawing --export-text-to-path --export-type=pdf --export-filename=${dst} ${src}"
            )
            description = "Generate ${key} from ${generatedImages[key]}."
        }
        // Every PDF generation will have a different hash, so only run the
        // task if the input is newer than the output.
        tasks.getByPath("images.${key}").onlyIf { src.getAsFile().lastModified() > dst.getAsFile().lastModified() }
    }

// Generate per-file tasks to convert R to PDF.
generatedImages.filterValues {
        it.matches(Regex(""".*\.R$"""))
    }.filterKeys {
        it.matches(Regex(""".*\.pdf$"""))
    }.keys
    .forEach { key ->
        val dst = imageDir.file(key)
        val src = imageDir.file(generatedImages[key])
        tasks.register<Exec>("images.${key}") {
            val cropped = imageDir.file(key.replace(".pdf", "-crop.pdf"))
            inputs.files(src)
            outputs.files(dst)
            commandLine(
                "bash",
                "-c",
                "R --no-echo --file=${src} --args ${dst} && pdfcrop ${dst} ${cropped} && mv -f ${cropped} ${dst}"
            )
            description = "Generate ${key} from ${generatedImages[key]}."
        }
        // Every PDF generation will have a different hash, so only run the
        // task if the input is newer than the output.
        tasks.getByPath("images.${key}").onlyIf { src.getAsFile().lastModified() > dst.getAsFile().lastModified() }
    }

// Debugging information.
tasks.register("debug") {
    description = "Print debugging information."
    doLast {
        println("project name = <${project.name}>")
        println("project directory = <${layout.projectDirectory}>")
        // println("project.properties = <${project.properties}>")
        println("docTargets = <${docTargets}>")
        println("numberedTargets = <${numberedTargets}>")
        println("lectureNum = <${lectureNum}>")
        println("imageDir = <${imageDir}>")
        println("docNames = <${docNames}>")
        println("numberedNames = <${numberedNames}>")
        println("slidesImages = <${slidesImages}>")
        println("slidesFiles = <${slidesFiles}>")
        println("examplesImages = <${examplesImages}>")
        println("examplesFiles = <${examplesFiles}>")
        println("docDependencies = <${docDependencies}>")
        println("generatedImages = <${generatedImages}>")
        println("latexFlags = <${latexFlags}>")
        println("latex.terminalEmulator = <${project.latex.terminalEmulator.get()}>")
        println("latex.waitTime = <${project.latex.waitTime.get()}>")
        println("latex.waitUnit = <${project.latex.waitUnit.get()}>")
        println("latex.pdfLatexCommand = <${project.latex.pdfLatexCommand.get()}>")
        println("latex.bibTexCommand = <${project.latex.bibTexCommand.get()}>")
        println("latex.inkscapeCommand = <${project.latex.inkscapeCommand.get()}>")
        println("latex.gitLatexdiffCommand = <${project.latex.gitLatexdiffCommand.get()}>")
        // tasks.matching { it.name.startsWith("pdfLatex") }.forEach {
        //     println("${it}, ${it.property("artifact")}")
        // }
        // tasks.forEach {
        //     println(it)
        //     println("inputs: ${it.getInputs().getFiles().getFiles()}")
        //     println("outputs: ${it.getOutputs().getFiles().getFiles()}")
        // }
    }
}

Ignore Space Show notes View lecture.gradle.kts 0 → 100644
val docTargets by extra(mutableSetOf<String>( // remove those you don't need "slides", "handout", "notes", "examples" )) val slidesImages by extra(mutableSetOf<String>( // example: // "image1.png", // "image2.pdf", // "image3.pdf" )) val generatedImages by extra(mutableMapOf<String, String>( // key = destination, value = source // example: // "image2.pdf" to "image2.svg", // "image3.pdf" to "image3.R" ))

Ignore Space Show notes View

lecture.gradle.kts 0 → 100644

Ignore Space Show notes View settings.gradle.kts 0 → 100644
rootProject.name = "lectures" include("lecture1") // etc.

Show line notes below