git-wad

commit 0e64d3696e7b202ecca1c766a1183daac1145849
parent 443324e078a2319afbaef6151e7d3463a5ca2dd2
Author: Vincent Forest <vincent.forest@meso-star.com>
Date:   Wed,  5 Feb 2025 14:50:17 +0100

Force default character type when using tr

Avoid the illegal byte sequence problem reported by some tr
implementations when using system locale settings.

Diffstat:
M
git-wad
 | 
15
++++++++-------

1 file changed, 8 insertions(+), 7 deletions(-)
diff --git a/git-wad b/git-wad
@@ -33,10 +33,11 @@ if [ "${is_inside_git_dir}" = "true" ]; then
   exit 1
 fi
 
-# Force default locale when using sed, i.e. treat all characters as
-# individual bytes. Otherwise, some sed implementations return
-# multi-byte encoding errors.
+# Force default locale when using sed and tr, i.e. treat all characters
+# as individual bytes. Otherwise, some implementations return multi-byte
+# encoding errors.
 alias sed__='LC_CTYPE=C sed'
+alias tr__='LC_CTYPE=C tr'
 
 # Check checksum command support
 if ! command -v sha256sum 1> /dev/null 2>&1 \
@@ -151,7 +152,7 @@ wad_paths()
   # | Sort the result in ascending order
   # | Print path for WAD files only
     git ls-tree -r HEAD "${working_tree}" \
-  | tr '	' ' ' \
+  | tr__ '	' ' ' \
   | cut -d' ' -f3,4 \
   | sort -b \
   | join -o 2.2 "${hashes}" -
@@ -381,7 +382,7 @@ clean() # stdin
   # in the following.
   header_size="$(sizeof_header)"
   header="$(dd ibs=1 count="${header_size}" if="${tmpclean}" 2>/dev/null\
-    | tr '\0' '0')"
+    | tr__ '\0' '0')"
 
   # Do not clean input stream if it is an un-smudged WAD
   if [ "${header}" = "${GIT_WAD_HEADER}" ]; then
@@ -408,7 +409,7 @@ clean() # stdin
 smudge() # stdin
 {
   header_size="$(sizeof_header)"
-  header="$(dd ibs=1 count="${header_size}" 2> /dev/null | tr '\0' '0')"
+  header="$(dd ibs=1 count="${header_size}" 2> /dev/null | tr__ '\0' '0')"
 
   if [ "${header}" != "${GIT_WAD_HEADER}" ]; then  # It is not a WAD
     log "git-wad:filter-smudge: not a managed file"
@@ -612,7 +613,7 @@ status() # [-1a]
     # Read the WAD bytes corresponding to its header before it is restored
     header_size="$(sizeof_header)"
     header="$(dd if="${wad}" ibs=1 count="${header_size}" 2> /dev/null \
-      | tr '\0' '0')"
+      | tr__ '\0' '0')"
 
     # The header read is not a valid WAD header, i.e. the WAD has
     # already been restored