From 5761a9018fb6baca698f5c4fe3b424813adf8316 Mon Sep 17 00:00:00 2001
From: Ashish Kumar Yadav <ashishkumar.yadav@students.iiserpune.ac.in>
Date: Sat, 6 Mar 2021 03:15:24 +0530
Subject: [PATCH] Implemented config.def.h - config.h setup

---
 .gitignore               |  1 +
 GNUmakefile              | 10 ++++++++++
 README.md                | 10 +++++-----
 config.h => config.def.h |  2 +-
 4 files changed, 17 insertions(+), 6 deletions(-)
 rename config.h => config.def.h (96%)

diff --git a/.gitignore b/.gitignore
index 44fdadb..02e57be 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
+config.h
 dwmblocks
 sigdwmblocks/sigdwmblocks
 xgetrootname/xgetrootname
diff --git a/GNUmakefile b/GNUmakefile
index 97cb86f..b97eccd 100644
--- a/GNUmakefile
+++ b/GNUmakefile
@@ -11,6 +11,16 @@ all: dwmblocks sigdwmblocks/sigdwmblocks xgetrootname/xgetrootname
 dwmblocks: dwmblocks.c config.h block.h
 	${CC} -o $@ -Wno-missing-field-initializers -Wno-unused-parameter ${CFLAGS} ${X11CFLAGS} $< ${X11LIBS}
 
+E0BLOCKS = $(abspath blocks)
+# two level escaping of '\', one for sed and one for C
+E1BLOCKS = $(subst \,\\\\,${E0BLOCKS})
+# escaping special character '&' and delimiter '=' for sed
+E2BLOCKS = $(subst &,\&,${E1BLOCKS})
+EFBLOCKS = $(subst =,\=,${E2BLOCKS})
+
+config.h:
+	sed '2s=<path to the folder containing block scripts>=${EFBLOCKS}=' config.def.h >$@
+
 sigdwmblocks/sigdwmblocks: sigdwmblocks/sigdwmblocks.c
 	${CC} -o $@ ${CFLAGS} $<
 
diff --git a/README.md b/README.md
index cc37518..2678ae9 100644
--- a/README.md
+++ b/README.md
@@ -7,13 +7,13 @@ signaling, clickability, cursor hinting and color.
 
 `dwmblocks`
 
-# Modifying blocks
+# Configuration
 
-Blocks are added and removed by editing [config.h](config.h) file. Some other
-configurations can also be done through the file. Read it for more info.
+Refer to [config.h](config.def.h). It allows addition/removal of blocks and a
+few other configurations.
 
-> Change the PATH macro defined at the top of the file. It should point to the
-> folder where your scripts are saved.
+> `make`, the first time you run it, or `make config.h` will create config.h by
+> copying [config.def.h](config.def.h).
 
 > The provided blocks use siji font for icons.
 
diff --git a/config.h b/config.def.h
similarity index 96%
rename from config.h
rename to config.def.h
index 66faa25..59c268d 100644
--- a/config.h
+++ b/config.def.h
@@ -1,5 +1,5 @@
 /* macro for conveniently specifying pathu and pathc below */
-#define PATH(name)                      "/home/ashish/.local/projects/dwmblocks/blocks/"name
+#define PATH(name)                      "<path to the folder containing block scripts>/"name
 
 /* buffer size for capturing output of the programs used for updating blocks */
 #define CMDOUTLENGTH                    50