[Git][ftp-team/dak][master] 2 commits: Open lock files read-only and create if not exist

Subject: [Git][ftp-team/dak][master] 2 commits: Open lock files read-only and create if not exist

From: Joerg Jaspert <joerg@debian.org>

Date: Sun, 20 May 2018 08:28:33 +0000

Title: GitLab

b750a2ab
by Bastian Blank at 2018-05-20T08:24:34+02:00
```
Open lock files read-only and create if not exist
```

1d7b57e7

by Joerg Jaspert at 2018-05-20T08:28:29+00:00

Merge branch 'lockfile-readonly' into 'master'

Open lock files read-only and create if not exist

See merge request ftp-team/dak!54

@@ -223,9 +223,18 @@ function lock() {
          LOCKFILE=${!lvar}
      fi
 +    # bash can't open a file read-only, while creating it,
 +    # so we need to create it ourselves.
 +    if ! [[ -e $LOCKFILE ]]; then
 +        install -m 444 /dev/null $LOCKFILE || {
 +            log_error "Could not create lock ${LOCKFILE}"
 +            laststeps 2
 +        }
 +    fi
++
      # Get filehandle
      local randomstring
 -    exec {randomstring}<>${LOCKFILE}
 +    exec {randomstring}<${LOCKFILE}
      # Store filehandle for later
      LOCKFD[${LOCK}]=${randomstring}

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