misc: Replace tab indentation with spaces

I've tried to be consistent, using four or eight spaces to line up
with existing code.

9 files changed, 60 insertions, 62 deletions

diff --git a/pkgs/development/perl-modules/expression-generator/filtered-requirements.sh b/pkgs/development/perl-modules/expression-generator/filtered-requirements.sh
index 98c01508fd5a3..2e3509d68c12c 100755
--- a/pkgs/development/perl-modules/expression-generator/filtered-requirements.sh
+++ b/pkgs/development/perl-modules/expression-generator/filtered-requirements.sh
@@ -3,13 +3,13 @@
 source lib-cache.sh;
 
 print_reqs() {
-	module_name="$1";
+    module_name="$1";
 
-	./requirements.sh "$1"| while read; do
-		if let "$(./source-download-link.sh "${REPLY}" | wc -c)" && [ perl != "$REPLY" ]; then
-			echo "$REPLY";
-		fi;
-	done;
+    ./requirements.sh "$1"| while read; do
+        if let "$(./source-download-link.sh "${REPLY}" | wc -c)" && [ perl != "$REPLY" ]; then
+            echo "$REPLY";
+        fi;
+    done;
 }
 
 module_name="$1";
diff --git a/pkgs/development/perl-modules/expression-generator/full-requirements.sh b/pkgs/development/perl-modules/expression-generator/full-requirements.sh
index 29ed83668ed55..91218f36f609b 100755
--- a/pkgs/development/perl-modules/expression-generator/full-requirements.sh
+++ b/pkgs/development/perl-modules/expression-generator/full-requirements.sh
@@ -3,19 +3,19 @@
 source lib-cache.sh;
 
 print_requirements () {
-	module_name="$1";
+    module_name="$1";
 
-	./requirements.sh "$module_name" | while read; do
-		echo "$REPLY";
-		print_reqs_cache "$REPLY";
-	done | sort | uniq
+    ./requirements.sh "$module_name" | while read; do
+        echo "$REPLY";
+        print_reqs_cache "$REPLY";
+    done | sort | uniq
 };
 
 print_reqs_cache () {
-	module_name="$1";
-	module_basename="${module_name//::/-}";
-	
-	cached_output print_requirements "$module_basename" "$module_name" "full.deps";
+    module_name="$1";
+    module_basename="${module_name//::/-}";
+
+    cached_output print_requirements "$module_basename" "$module_name" "full.deps";
 };
 
 print_reqs_cache "$@";
diff --git a/pkgs/development/perl-modules/expression-generator/grab-url.sh b/pkgs/development/perl-modules/expression-generator/grab-url.sh
index 809cf87fcebf1..8935cad8cefe3 100755
--- a/pkgs/development/perl-modules/expression-generator/grab-url.sh
+++ b/pkgs/development/perl-modules/expression-generator/grab-url.sh
@@ -3,13 +3,13 @@
 source lib-cache.sh
 
 get_file() {
-	url="$1";
+    url="$1";
 
-	if [ -n "$url" ]; then 
-		curl "$1";
-	else
-		echo -n;
-	fi;
+    if [ -n "$url" ]; then
+        curl "$1";
+    else
+        echo -n;
+    fi;
 }
 
 url="$1";
@@ -17,4 +17,3 @@ name="$2";
 name=${name:-$(basename "$url")}
 
 cached_output get_file "${name%%.*}" "$url" "${name#*.}"
-
diff --git a/pkgs/development/perl-modules/expression-generator/lib-cache.sh b/pkgs/development/perl-modules/expression-generator/lib-cache.sh
index 7473e2d1c15ed..65095144bcd68 100644
--- a/pkgs/development/perl-modules/expression-generator/lib-cache.sh
+++ b/pkgs/development/perl-modules/expression-generator/lib-cache.sh
@@ -4,16 +4,15 @@
 # Third argument: argument to command
 # Fourth argument: cache type
 cached_output () {
-	cmd="$1";
-	basename="$2";
-	arg="$3";
-	ext="$4";
-	
-	if ! [ -e "cache-${ext//./-}/${basename}.${ext}" ]; then
-		mkdir -p "cache-${ext//./-}";
-		$cmd $arg > "cache-${ext//./-}/${basename}.${ext}";
-	fi;
+    cmd="$1";
+    basename="$2";
+    arg="$3";
+    ext="$4";
 
-	cat "cache-${ext//./-}/${basename}.${ext}";
-}
+    if ! [ -e "cache-${ext//./-}/${basename}.${ext}" ]; then
+        mkdir -p "cache-${ext//./-}";
+        $cmd $arg > "cache-${ext//./-}/${basename}.${ext}";
+    fi;
 
+    cat "cache-${ext//./-}/${basename}.${ext}";
+}
diff --git a/pkgs/development/perl-modules/expression-generator/requirements.sh b/pkgs/development/perl-modules/expression-generator/requirements.sh
index 60ee68d99adaf..19b24c55a8eed 100755
--- a/pkgs/development/perl-modules/expression-generator/requirements.sh
+++ b/pkgs/development/perl-modules/expression-generator/requirements.sh
@@ -6,12 +6,12 @@ module_name="$1";
 module_basename="${1//::/-}";
 
 print_requirements () {
-	module_name="$1";
-	
-	./retrieve-meta-yaml.sh "$module_name" |
-		sed -re '1,/^requires:/d; /^[a-z]/,$d; s@^\s*@@; s@:\s.*@@';
-	./retrieve-meta-yaml.sh "$module_name" |
-		sed -re '1,/^build_requires:/d; /^[a-z]/,$d; s@^\s*@@; s@:\s.*@@';
+    module_name="$1";
+
+    ./retrieve-meta-yaml.sh "$module_name" |
+        sed -re '1,/^requires:/d; /^[a-z]/,$d; s@^\s*@@; s@:\s.*@@';
+    ./retrieve-meta-yaml.sh "$module_name" |
+        sed -re '1,/^build_requires:/d; /^[a-z]/,$d; s@^\s*@@; s@:\s.*@@';
 };
 
 cached_output print_requirements "$module_basename" "$module_name" "direct.deps";
diff --git a/pkgs/development/perl-modules/expression-generator/retrieve-file-link.sh b/pkgs/development/perl-modules/expression-generator/retrieve-file-link.sh
index a9cf0d94e0d3f..c8ec5df11b7dd 100755
--- a/pkgs/development/perl-modules/expression-generator/retrieve-file-link.sh
+++ b/pkgs/development/perl-modules/expression-generator/retrieve-file-link.sh
@@ -6,9 +6,9 @@ file_name="$2";
 version_regexp="${module_basename}(-[0-9.a-z]+){0,1}";
 author_regexp="[A-Z0-9]+";
 
-./retrieve-modulepage.sh "$module_basename" | 
-	egrep "[<]a href=\"[a-z0-9/]*/(${author_regexp}/){0,1}${version_regexp}/${file_name}" |
-	sed -re "s@.*href=\"@@; s@\".*@@" |
-	sed -re 's@^/@http://search.cpan.org/@';
+./retrieve-modulepage.sh "$module_basename" |
+    egrep "[<]a href=\"[a-z0-9/]*/(${author_regexp}/){0,1}${version_regexp}/${file_name}" |
+    sed -re "s@.*href=\"@@; s@\".*@@" |
+    sed -re 's@^/@http://search.cpan.org/@';
 
 echo "$link_line";
diff --git a/pkgs/development/perl-modules/expression-generator/retrieve-meta-yaml.sh b/pkgs/development/perl-modules/expression-generator/retrieve-meta-yaml.sh
index 2c85d45691f09..3b162ebe693fe 100755
--- a/pkgs/development/perl-modules/expression-generator/retrieve-meta-yaml.sh
+++ b/pkgs/development/perl-modules/expression-generator/retrieve-meta-yaml.sh
@@ -3,11 +3,11 @@
 source lib-cache.sh;
 
 print_meta_yaml () {
-	module_name="$1";
-	module_basename="${module_name//::/-}";
+    module_name="$1";
+    module_basename="${module_name//::/-}";
 
-	./grab-url.sh "$(./retrieve-file-link.sh "$module_basename" "META.yml")" \
-		"${module_basename}.meta.yml";
+    ./grab-url.sh "$(./retrieve-file-link.sh "$module_basename" "META.yml")" \
+        "${module_basename}.meta.yml";
 };
 
 module_name="$1";
diff --git a/pkgs/development/perl-modules/expression-generator/source-download-link.sh b/pkgs/development/perl-modules/expression-generator/source-download-link.sh
index 575f47629c26b..779d131961f07 100755
--- a/pkgs/development/perl-modules/expression-generator/source-download-link.sh
+++ b/pkgs/development/perl-modules/expression-generator/source-download-link.sh
@@ -6,12 +6,12 @@ module_name="$1";
 module_basename="${module_name//::/-}";
 
 write_link() {
-	module_basename="$1";
+    module_basename="$1";
 
-	./retrieve-modulepage.sh "$module_basename" | 
-		grep -A 2 "This Release" |
-		grep href |
-		sed -re 's/.*href="//; s/".*//; s@^/@http://search.cpan.org/@';
+    ./retrieve-modulepage.sh "$module_basename" |
+        grep -A 2 "This Release" |
+        grep href |
+        sed -re 's/.*href="//; s/".*//; s@^/@http://search.cpan.org/@';
 }
 
 cached_output write_link "$module_basename" "$module_basename" src.link;
diff --git a/pkgs/development/perl-modules/expression-generator/write-nix-expression.sh b/pkgs/development/perl-modules/expression-generator/write-nix-expression.sh
index cfe1506640b31..9f5cdb9142eb2 100755
--- a/pkgs/development/perl-modules/expression-generator/write-nix-expression.sh
+++ b/pkgs/development/perl-modules/expression-generator/write-nix-expression.sh
@@ -5,16 +5,16 @@ cd $(dirname $0);
 source lib-cache.sh;
 
 print_expression () {
-	module_name="$1";
-	module_basename="${module_name//::/-}";
-	module_compressedname="perl${module_name//::/}";
-	sourcelink="$(./source-download-link.sh "${module_name}")";
-	version_name="${sourcelink%.tar.*}";
-	version_name="${version_name##*/}";
-	dependencies="$(./filtered-requirements.sh "$module_name" | sed -e 's/^/perl/; s/:://g' | xargs)";
-	source_hash=$(nix-prefetch-url "$sourcelink" 2>/dev/null);
-
-	cat <<EOF
+    module_name="$1";
+    module_basename="${module_name//::/-}";
+    module_compressedname="perl${module_name//::/}";
+    sourcelink="$(./source-download-link.sh "${module_name}")";
+    version_name="${sourcelink%.tar.*}";
+    version_name="${version_name##*/}";
+    dependencies="$(./filtered-requirements.sh "$module_name" | sed -e 's/^/perl/; s/:://g' | xargs)";
+    source_hash=$(nix-prefetch-url "$sourcelink" 2>/dev/null);
+
+    cat <<EOF
 
   ${module_compressedname} = import ../development/perl-modules/generic perl {
     name = "${version_name}";