Named tmpfiles (#180)

* name try's tmpfiles with current time as ID for uniqueness

try

@@ -9,6 +9,8 @@
 
 TRY_VERSION="0.2.0"
 TRY_COMMAND="${0##*/}"
+EXECID="$(date +%s%3N)"
+export EXECID
 export TRY_COMMAND
 
 # exit status invariants
@@ -35,7 +37,7 @@ try() {
         ! [ -d "$SANDBOX_DIR" ] && { error "could not find sandbox directory $SANDBOX_DIR" 2; }
     else
         ## Create a new sandbox if one was not given
-        SANDBOX_DIR=$(mktemp -d)
+        SANDBOX_DIR=$(mktemp -d --suffix ".try-$EXECID")
     fi
 
     ## If the sandbox is not valid we exit early
@@ -48,7 +50,7 @@ try() {
     ## because we have already checked if it valid.
     export SANDBOX_DIR
 
-    try_mount_log="$(mktemp)"
+    try_mount_log="$(mktemp --suffix ".try-$EXECID")"
     export try_mount_log
 
     # If we're in a docker container, we want to mount tmpfs on sandbox_dir, #136
@@ -64,14 +66,14 @@ try() {
     mkdir -p "$SANDBOX_DIR/upperdir" "$SANDBOX_DIR/workdir" "$SANDBOX_DIR/temproot"
 
     ## Find all the directories and mounts that need to be mounted
-    DIRS_AND_MOUNTS="$(mktemp)"
+    DIRS_AND_MOUNTS="$(mktemp --suffix ".try-$EXECID")"
     export DIRS_AND_MOUNTS
     find / -maxdepth 1 >"$DIRS_AND_MOUNTS"
     findmnt --real -r -o target -n >>"$DIRS_AND_MOUNTS"
     sort -u -o "$DIRS_AND_MOUNTS" "$DIRS_AND_MOUNTS"
 
     # Calculate UPDATED_DIRS_AND_MOUNTS that contains the merge arguments in LOWER_DIRS
-    UPDATED_DIRS_AND_MOUNTS="$(mktemp)"
+    UPDATED_DIRS_AND_MOUNTS="$(mktemp --suffix ".try-$EXECID")"
     export UPDATED_DIRS_AND_MOUNTS
     while IFS="" read -r mountpoint
     do
@@ -122,9 +124,9 @@ try() {
 
     chmod "$(stat -c %a /)" "$SANDBOX_DIR/temproot"
 
-    mount_and_execute="$(mktemp)"
-    chroot_executable="$(mktemp)"
-    script_to_execute="$(mktemp)"
+    mount_and_execute="$(mktemp --suffix ".try-$EXECID")"
+    chroot_executable="$(mktemp --suffix ".try-$EXECID")"
+    script_to_execute="$(mktemp --suffix ".try-$EXECID")"
 
     export chroot_executable
     export script_to_execute
@@ -225,7 +227,7 @@ do
             ## We can ignore this mountpoint, if the user program tries to use it, it will crash, but if not we can run normally
             printf "%s: Warning: Failed mounting $mountpoint as an overlay and mergerfs or unionfs not set and could not be found, see \"$try_mount_log\"\n" "$TRY_COMMAND" >&2
         else
-            merger_dir=$(mktemp -d)
+            merger_dir=$(mktemp -d --suffix ".try-$EXECID")
 
             ## Create a union directory
             "$UNION_HELPER" $mountpoint $merger_dir 2>>"$try_mount_log" ||
@@ -610,7 +612,7 @@ EOF
 NO_COMMIT="interactive"
 
 # Includes all patterns given using the `-i` flag; will be used with `grep -f`
-IGNORE_FILE="$(mktemp)"
+IGNORE_FILE="$(mktemp --suffix ".try-$EXECID")"
 
 while getopts ":yvnhxi:D:U:L:" opt
 do