Add umake(1df)

3 files changed, 28 insertions, 0 deletions

diff --git a/README.markdown b/README.markdown
index f1333be4..2b73547a 100644
--- a/README.markdown
+++ b/README.markdown
@@ -459,6 +459,8 @@ Installed by the `install-bin` target:
 *   `try(1df)` repeats a command up to a given number of times until it
     succeeds, only printing error output if all three attempts failed. Good for
     tolerating blips or temporary failures in `cron(8)` scripts.
+*   `umake(1df)` iterates upwards through the directory tree from `$PWD` until
+    it finds a Makefile for which to run `make(1)` with the given arguments.
 
 There's some silly stuff in `install-games`:
 
diff --git a/bin/umake b/bin/umake
new file mode 100755
index 00000000..8c8d4850
--- /dev/null
+++ b/bin/umake
@@ -0,0 +1,11 @@
+#!/bin/sh
+# Keep going up the tree until we find a Makefile, and then run make(1) with
+# any given args
+while [ "$PWD" != / ] ; do
+    if [ -f Makefile ] ; then
+        exec make "$@" || exit
+    fi
+    cd .. || exit
+done
+printf >&2 'umake: No Makefile found in ancestors\n'
+exit 1
diff --git a/man/man1/umake.1df b/man/man1/umake.1df
new file mode 100644
index 00000000..247ea50e
--- /dev/null
+++ b/man/man1/umake.1df
@@ -0,0 +1,15 @@
+.TH UMAKE 1df "September 2016" "Manual page for umake"
+.SH NAME
+.B umake
+\- run make(1) with the closest Makefile in current working directory ancestry
+.SH USAGE
+.B umake
+.br
+.B umake
+prefix=/foo/bar install
+.SH DESCRIPTION
+Iterate up through the directory tree starting with the current directory,
+looking for a Makefile, and run make(1) with the given arguments as soon as one
+is found.
+.SH AUTHOR
+Tom Ryder <tom@sanctum.geek.nz>