stable 2010-05-24 13:10

1 files changed, 42 insertions, 0 deletions

diff --git a/tex/context/base/grph-fil.lua b/tex/context/base/grph-fil.lua
new file mode 100644
index 000000000..2e32c7a60
--- /dev/null
+++ b/tex/context/base/grph-fil.lua
@@ -0,0 +1,42 @@
+if not modules then modules = { } end modules ['grph-fil'] = {
+    version   = 1.001,
+    comment   = "companion to grph-fig.mkiv",
+    author    = "Hans Hagen, PRAGMA-ADE, Hasselt NL",
+    copyright = "PRAGMA ADE / ConTeXt Development Team",
+    license   = "see context related readme files"
+}
+
+local format, concat = string.format, table.concat
+
+local trace_run = false  trackers.register("files.run",function(v) trace_run = v end)
+
+local command = "context %s"
+
+jobfiles           = jobfiles or { }
+jobfiles.collected = jobfiles.collected or { }
+jobfiles.tobesaved = jobfiles.tobesaved or { }
+
+local tobesaved, collected = jobfiles.tobesaved, jobfiles.collected
+
+local function initializer()
+    tobesaved, collected = jobfiles.tobesaved, jobfiles.collected
+end
+
+job.register('jobfiles.collected', jobfiles.tobesaved, initializer)
+
+jobfiles.forcerun = false
+
+function jobfiles.run(name,...)
+    local oldchecksum = collected[name]
+    local newchecksum = file.checksum(name)
+    if jobfiles.forcerun or not oldchecksum or oldchecksum ~= newchecksum then
+        if trace_run then
+            commands.writestatus("buffers","changes in '%s', processing forced",name)
+        end
+        os.execute(format(command,concat({ name, ... }," ")))
+    elseif trace_run then
+        commands.writestatus("buffers","no changes in '%s', not processed",name)
+    end
+    tobesaved[name] = newchecksum
+    return file.replacesuffix(name,"pdf")
+end