Fix panic on non UTF-8 file when using Git

Author: ariasuni

devtools/dev-create-test-filesystem.sh

@@ -252,7 +252,7 @@ sudo chown $FIXED_USER:$FIXED_USER -R "$TEST_ROOT/attributes"
 
 # A sample Git repository
 # This uses cd because it's easier than telling Git where to go each time
-echo -e "\033[1m[10/13]\033[0m Creating Git testcases (1/3)"
+echo -e "\033[1m[10/13]\033[0m Creating Git testcases (1/4)"
 mkdir "$TEST_ROOT/git"
 cd    "$TEST_ROOT/git"
 git init >/dev/null
@@ -281,7 +281,7 @@ sudo chown $FIXED_USER:$FIXED_USER -R "$TEST_ROOT/git"
 
 # A second Git repository
 # for testing two at once
-echo -e "\033[1m[11/13]\033[0m Creating Git testcases (2/3)"
+echo -e "\033[1m[11/13]\033[0m Creating Git testcases (2/4)"
 mkdir -p "$TEST_ROOT/git2/deeply/nested/directory"
 cd       "$TEST_ROOT/git2"
 git init >/dev/null
@@ -321,7 +321,7 @@ sudo chown $FIXED_USER:$FIXED_USER -R "$TEST_ROOT/git2"
 
 # A third Git repository
 # Regression test for https://github.com/ogham/exa/issues/526
-echo -e "\033[1m[12/13]\033[0m Creating Git testcases (3/3)"
+echo -e "\033[1m[12/13]\033[0m Creating Git testcases (3/4)"
 mkdir -p "$TEST_ROOT/git3"
 cd       "$TEST_ROOT/git3"
 git init >/dev/null
@@ -334,6 +334,20 @@ find "$TEST_ROOT/git3" -exec touch {} -h -t $FIXED_DATE \;
 sudo chown $FIXED_USER:$FIXED_USER -R "$TEST_ROOT/git3"
 
 
+# A fourth Git repository
+# Regression test for https://github.com/ogham/exa/issues/698
+echo -e "\033[1m[12/13]\033[0m Creating Git testcases (4/4)"
+mkdir -p "$TEST_ROOT/git4"
+cd       "$TEST_ROOT/git4"
+git init >/dev/null
+
+# Create a non UTF-8 file
+touch 'P'$'\b\211''UUU'
+
+find "$TEST_ROOT/git4" -exec touch {} -h -t $FIXED_DATE \;
+sudo chown $FIXED_USER:$FIXED_USER -R "$TEST_ROOT/git4"
+
+
 # Hidden and dot file testcases.
 # We need to set the permissions of `.` and `..` because they actually
 # get displayed in the output here, so this has to come last.

src/fs/feature/git.rs

@@ -1,5 +1,8 @@
 //! Getting the Git status of files and directories.
 
+use std::ffi::OsStr;
+#[cfg(target_family = "unix")]
+use std::os::unix::ffi::OsStrExt;
 use std::path::{Path, PathBuf};
 use std::sync::Mutex;
 
@@ -205,6 +208,11 @@ fn repo_to_statuses(repo: &git2::Repository, workdir: &Path) -> Git {
     match repo.statuses(None) {
         Ok(es) => {
             for e in es.iter() {
+                #[cfg(target_family = "unix")]
+                let path = workdir.join(Path::new(OsStr::from_bytes(e.path_bytes())));
+                // TODO: handle non Unix systems better:
+                // https://github.com/ogham/exa/issues/698
+                #[cfg(not(target_family = "unix"))]
                 let path = workdir.join(Path::new(e.path().unwrap()));
                 let elem = (path, e.status());
                 statuses.push(elem);

xtests/git.toml

@@ -144,6 +144,18 @@ status = 0
 tags = [ 'long', 'git' ]
 
 
+
+# The forth Git repo: non UTF-8 file
+
+[[cmd]]
+name = "‘exa --git -l’ handles non UTF8 file in Git repositories"
+shell = "exa --git -l /testcases/git4"
+stdout = { file = "outputs/git4_long.ansitxt" }
+stderr = { empty = true }
+status = 0
+tags = [ 'long', 'git' ]
+
+
 # Both repositories 1 and 2 at once
 
 [[cmd]]

xtests/outputs/git4_long.ansitxt

@@ -0,0 +1 @@
+.rw-rw-r-- 0 cassowary  1 Jan 12:34 -N P\u{8}�UUU